10043-35-3

10043-35-3结构式
10043-35-3结构式

化源商城直购

中文名 硼酸
英文名 boric acid
英文别名 MFCD00236358
boric
Boric acid,DNAse,RNAse and Protease free
sassoline BH3O3,sassolite
Borofax
TBE BUFFER
fleaprufe
B(OH)3
Boric acid
EINECS 233-139-2
Boracic
Borsaure
Borsure
Orthoboric acid
描述 硼酸是一种防腐剂。硼酸是淡而无味的。
相关类别
参考文献

[1]. Cane L. Boracic Acid and Its Application. Am J Dent Sci. 1876;10(7):316-318.

密度 1.4±0.1 g/cm3
沸点 219-220 °C (9.7513 mmHg)
熔点 169 °C
分子式 H3BO3
分子量 61.833
精确质量 62.017525
PSA 60.69000
LogP -0.29
外观性状 无色或白色无臭结晶固体
蒸汽压 2.6 mm Hg ( 20 °C)
折射率 1.385
储存条件

1.贮存于干燥、清洁、阴凉、通风的库房。远离火种、热源。应与碱类、钾分开存放,切忌混贮。

2.不要与有毒物品共贮混运。

稳定性 1.实际上是氧化硼的水合物,为白色粉末状结晶或三斜轴面的鳞片状带光泽结晶。有滑腻手感,无臭味。无气味。味微酸苦后带甜。与皮肤接触有滑腻感。露置空气中无变化。能随水蒸气挥发。加热至100~105℃时失去一分子水而形成偏硼酸,于104~160℃时长时间加热转变为焦硼酸,更高温度则形成无水物。0.1mol/L水溶液的pH为5.1。 2.在水中的溶解度随温度升高而增大,并能随水蒸气挥发,在无机酸中的溶解度要比在水中的溶解度小。加热至70~100 ℃时逐渐脱水生成偏硼酸,150~160 ℃时生成焦硼酸,300 ℃时生成硼酸酐(B2O3)。

3.内服有毒,可发生急性中毒,早期症状为呕吐、腹泻、皮疹、中枢神经系统先兴奋后抑制,可有脑膜刺激症状和肾损伤。工作人员应做好防护,若不慎触及皮肤和眼睛,应立即用大量清水进行冲洗。

对100g水的溶解度为:2.66g(0℃),4.9g(20℃),8.7g(40℃),14.8g(60℃),23.6g(80℃),39.7g(100℃)。可溶于乙醇,甘油。不溶于乙醚。

在干燥的空气气流中,或在空气浴中于80℃加热脱水几日,就变为偏硼酸HBO2。这时得到的偏硼酸是3种变态中的一种,熔点为176℃的产品(斜方晶系,相对密度1.78),将这种产品在140℃下长时间加热,则得到熔点为2009℃的单斜晶系(相对密度204)产品。再进一步加热则变为熔点为236℃的立方晶系(相对密度2.48)产品。不论哪一种变体都溶解于水变为硼酸。将偏硼酸灼烧则变为三氧化二硼B2O3。
水溶解性 49.5 g/L (20 ºC)
分子结构

1、摩尔折射率:10.08

2、摩尔体积(cm3/mol):43

3、等张比容(90.2K):119.2

4、表面张力(dyne/cm):59.1

5、介电常数:无可用的

6、极化率(10-24cm3):3.99

7、单一同位素质量:62.017525 Da

8、标称质量:62 Da

9、平均质量:61.833 Da

计算化学

1.疏水参数计算参考值(XlogP):无

2.氢键供体数量:3

3.氢键受体数量:3

4.可旋转化学键数量:0

5.互变异构体数量:无

6.拓扑分子极性表面积60.7

7.重原子数量:4

8.表面电荷:0

9.复杂度:8

10.同位素原子数量:0

11.确定原子立构中心数量:0

12.不确定原子立构中心数量:0

13.确定化学键立构中心数量:0

14.不确定化学键立构中心数量:0

15.共价键单元数量:1

更多

1. 性状:为白色粉末状结晶或三斜轴面的鳞片状带光泽结晶。

2. 密度(g/mL,25/4℃):1.435

3. 相对蒸汽密度(g/mL,空气=1):未确定

4. 熔点(ºC):185℃(分解)

5. 沸点(ºC,常压):300

6. 沸点(ºC,5.2kPa):未确定

7. 折射率:未确定

8. 闪点(ºC):未确定

9. 比旋光度(º):未确定

10. 自燃点或引燃温度(ºC):未确定

11. 蒸气压(kPa,25ºC):未确定

12. 饱和蒸气压(kPa,60ºC):未确定

13. 燃烧热(KJ/mol):未确定

14. 临界温度(ºC):未确定

15. 临界压力(KPa):未确定

16. 油水(辛醇/水)分配系数的对数值:未确定

17. 爆炸上限(%,V/V):未确定

18. 爆炸下限(%,V/V):未确定

19. 溶解性:溶于水、酒精、甘油、醚类及香精油中,水溶液呈弱酸性。硼酸在水中的溶解度随温度升高而增大,并能随水蒸 气挥发0.1mol/L水溶液pH为5.1。1g产品能溶于18ml冷水、4ml沸水、18ml冷乙醇、6ml沸乙醇和4ml甘油。在水中溶解度能随盐酸、柠檬酸和酒石酸的加入而增加。

第一部分:化学品名称
化学品中文名称: 硼酸
化学品英文名称: boric acid
中文俗名或商品名:
Synonyms:
CAS No.: 10043-35-3
分子式: 无资料
分子量: 无资料
第二部分:成分/组成信息
纯化学品混合物
化学品名称:硼酸
有害物成分 含量 CAS No.
硼酸 100 10043-35-3
第三部分:危险性概述
危险性类别:
侵入途径: 工业生产中,仅见引起皮肤刺激、结膜炎、支气管炎,一般无中毒发生。口服引起急性中毒,主要表现为胃肠道症状,有恶心、呕吐、腹痛、腹泻等,继之发生脱水、休克、昏迷或急性肾功能衰竭,可有高热、肝肾损害和惊厥,重者可致死。皮肤出现广泛鲜红色疹,重者成剥脱性皮炎。本品易被损伤皮肤吸收引起中毒。慢性中毒:长期由胃肠道或皮肤吸收小量该品,可发生轻度消化道症状、皮炎、秃发以及肝肾损害。
健康危害: 无资料
环境危害: 无资料
燃爆危险: 本品不燃,具刺激性。
第四部分:急救措施
皮肤接触: 脱去污染的衣着,用大量流动清水冲洗。就医。
眼睛接触: 提起眼睑,用流动清水或生理盐水冲洗。就医。
吸入: 脱离现场至空气新鲜处。如呼吸困难,给输氧。就医。
食入: 饮足量温水,催吐。洗胃,导泄。就医。
第五部分:消防措施
危险特性: 受高热分解放出有毒的气体。
有害燃烧产物: 氧化硼
灭火方法及灭火剂: 消防人员必须穿全身防火防毒服,在上风向灭火。灭火时尽可能将容器从火场移至空旷处。
消防员的个体防护: 无资料
禁止使用的灭火剂: 无资料
闪点(℃): 无资料
自燃温度(℃): 无资料
爆炸下限[%(V/V)]: 无资料
爆炸上限[%(V/V)]: 无资料
最小点火能(mJ):
爆燃点:
爆速:
最大燃爆压力(MPa):
建规火险分级:
第六部分:泄漏应急处理
应急处理: 隔离泄漏污染区,限制出入。建议应急处理人员戴防尘面具(全面罩),穿防毒服。用砂土、干燥石灰或苏打灰混合。小心扫起,转移至安全场所。若大量泄漏,用塑料布、帆布覆盖。收集回收或运至废物处理场所处置。
第七部分:操作处置与储存
操作注意事项: 密闭操作,加强通风。操作人员必须经过专门培训,严格遵守操作规程。建议操作人员佩戴自吸过滤式防尘口罩,戴化学安全防护眼镜,穿防毒物渗透工作服,戴橡胶手套。避免产生粉尘。避免与碱类、钾接触。搬运时轻装轻卸,保持包装完整,防止洒漏。配备泄漏应急处理设备。倒空的容器可能残留有害物。
储存注意事项: 储存于阴凉、通风的库房。远离火种、热源。应与碱类、钾分开存放,切忌混储。储区应备有合适的材料收容泄漏物。
第八部分:接触控制/个体防护
最高容许浓度: 前苏联MAC(mg/m3): 10
监测方法: 无资料
工程控制: 生产过程密闭,加强通风。
呼吸系统防护: 空气中粉尘浓度超标时,必须佩戴自吸过滤式防尘口罩。紧急事态抢救或撤离时,应该佩戴空气呼吸器。
眼睛防护: 戴化学安全防护眼镜。
身体防护: 穿防毒物渗透工作服
手防护: 戴橡胶手套。
其他防护: 工作完毕,淋浴更衣。保持良好的卫生习惯
第九部分:理化特性
外观与性状: 无色微带珍珠光泽的三斜晶体或白色粉末,有滑腻手感, 无臭味。
pH:
熔点(℃): 185(分解)
沸点(℃): 300
相对密度(水=1): 1.44(15℃)
相对蒸气密度(空气=1): 无资料
饱和蒸气压(kPa):
燃烧热(kJ/mol):
临界温度(℃):
临界压力(MPa):
辛醇/水分配系数的对数值:
闪点(℃): 无资料
引燃温度(℃): 无资料
爆炸上限%(V/V): 无资料
爆炸下限%(V/V): 无资料
分子式: 无资料
分子量: 无资料
蒸发速率:
粘性:
溶解性: 溶于水,溶于乙醇、乙醚、甘油。
主要用途: 用于玻璃、搪瓷、医药、化妆品等工业, 以及制备硼和硼酸盐, 并用作食物防腐剂和消毒剂等。
第十部分:稳定性和反应活性
稳定性: 在常温常压下
禁配物: 碱类、钾。
避免接触的条件: 无资料
聚合危害: 无资料
分解产物: 无资料
第十一部分:毒理学资料
急性毒性: 无资料
急性中毒: 无资料
慢性中毒: 无资料
亚急性和慢性毒性:
刺激性: 人经皮:15mg/3天,间歇染毒,中度刺激。
致敏性:
致突变性:
致畸性:
致癌性:
第十二部分:生态学资料
生态毒理毒性: 无资料
生物降解性: 无资料
非生物降解性: 无资料
生物富集或生物积累性:
第十三部分:废弃处置
废弃物性质: 无资料
废弃处置方法: 根据国家和地方有关法规的要求处置。或与厂商或制造商联系,确定处置方法。
废弃注意事项: 无资料
第十四部分:运输信息
危险货物编号: 无资料
UN编号: 无资料
包装标志:
包装类别:
包装方法: 无资料
运输注意事项: 起运时包装要完整,装载应稳妥。运输过程中要确保容器不泄漏、不倒塌、不坠落、不损坏。严禁与碱类、钾、食用化学品等混装混运。运输途中应防曝晒、雨淋,防高温。车辆运输完毕应进行彻底清扫。
RETCS号:
IMDG规则页码:
第十五部分:法规信息
国内化学品安全管理法规: 化学危险物品安全管理条例 (1987年2月17日国务院发布),化学危险物品安全管理条例实施细则 (化劳发[1992] 677号),工作场所安全使用化学品规定 ([1996]劳部发423号)等法规,针对化学危险品的安全使用、生产、储存、运输、装卸等方面均作了相应规定
国际化学品安全管理法规:
第十六部分:其他信息
参考文献:
填表时间: 2005年1月13日
填表部门: 无资料
数据审核单位: 无资料
修改说明: 无资料
其他信息:
MSDS修改日期: 1900年1月1日

毒理学数据:

大鼠经口LD50: 5.14g/kg。人经皮:15mg/3天,出现间歇染毒,中度刺激。硼酸可引起皮肤刺激、结膜炎、支气管炎。

生态学数据:

通常对水体是稍微有害的,不要将未稀释或大量产品接触地下水,水道或污水系统,未经政府许可勿将材料排入周围环境。

CHEMICAL IDENTIFICATION

RTECS NUMBER :
ED4550000
CHEMICAL NAME :
Boric acid
CAS REGISTRY NUMBER :
10043-35-3
LAST UPDATED :
199712
DATA ITEMS CITED :
62
MOLECULAR FORMULA :
B-H3-O3
MOLECULAR WEIGHT :
61.84
WISWESSER LINE NOTATION :
QBQQ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
Standard Draize test
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Human
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Human - man
DOSE/DURATION :
429 mg/kg
TOXIC EFFECTS :
Cardiac - other changes Kidney, Ureter, Bladder - changes in tubules (including acute renal failure, acute tubular necrosis)
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Human - child
DOSE/DURATION :
500 mg/kg
TOXIC EFFECTS :
Gastrointestinal - nausea or vomiting
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Human - woman
DOSE/DURATION :
200 mg/kg
TOXIC EFFECTS :
Behavioral - fluid intake Gastrointestinal - hypermotility, diarrhea Gastrointestinal - nausea or vomiting
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Human - infant
DOSE/DURATION :
800 mg/kg/4W-I
TOXIC EFFECTS :
Behavioral - convulsions or effect on seizure threshold Gastrointestinal - hypermotility, diarrhea Gastrointestinal - nausea or vomiting
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Human - infant
DOSE/DURATION :
934 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Human - infant
DOSE/DURATION :
1200 mg/kg
TOXIC EFFECTS :
Behavioral - convulsions or effect on seizure threshold Skin and Appendages - dermatitis, other (after systemic exposure) Nutritional and Gross Metabolic - body temperature increase
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Human - child
DOSE/DURATION :
4 gm/kg/4D
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Human - man
DOSE/DURATION :
2430 mg/kg
TOXIC EFFECTS :
Gastrointestinal - hypermotility, diarrhea Skin and Appendages - primary irritation (after topical exposure) Nutritional and Gross Metabolic - body temperature increase
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Human - child
DOSE/DURATION :
1500 mg/kg
TOXIC EFFECTS :
Sense Organs and Special Senses (Eye) - conjunctive irritation Lungs, Thorax, or Respiration - respiratory depression Gastrointestinal - hypermotility, diarrhea
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Human - infant
DOSE/DURATION :
1100 mg/kg
TOXIC EFFECTS :
Behavioral - tremor Gastrointestinal - hypermotility, diarrhea Gastrointestinal - nausea or vomiting
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Unreported
SPECIES OBSERVED :
Human - man
DOSE/DURATION :
170 mg/kg
TOXIC EFFECTS :
Behavioral - wakefulness Behavioral - anorexia (human) Gastrointestinal - nausea or vomiting
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Unreported
SPECIES OBSERVED :
Human - man
DOSE/DURATION :
147 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
2660 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LCLo - Lowest published lethal concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
28 mg/m3/4H
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
1400 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Behavioral - ataxia Nutritional and Gross Metabolic - body temperature decrease
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
1330 mg/kg
TOXIC EFFECTS :
Behavioral - tremor Gastrointestinal - hypermotility, diarrhea Gastrointestinal - nausea or vomiting
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
3450 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
800 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Behavioral - ataxia Nutritional and Gross Metabolic - body temperature decrease
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
1740 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
1240 mg/kg
TOXIC EFFECTS :
Behavioral - convulsions or effect on seizure threshold Lungs, Thorax, or Respiration - respiratory depression Gastrointestinal - hypermotility, diarrhea
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Mammal - dog
DOSE/DURATION :
1780 mg/kg
TOXIC EFFECTS :
Brain and Coverings - meningeal changes Lungs, Thorax, or Respiration - cyanosis Gastrointestinal - nausea or vomiting
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Mammal - dog
DOSE/DURATION :
1 gm/kg
TOXIC EFFECTS :
Brain and Coverings - meningeal changes Lungs, Thorax, or Respiration - cyanosis Gastrointestinal - nausea or vomiting
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Parenteral
SPECIES OBSERVED :
Mammal - dog
DOSE/DURATION :
1 gm/kg
TOXIC EFFECTS :
Peripheral Nerve and Sensation - flaccid paralysis without anesthesia (usually neuromuscular blockage)
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
4 gm/kg
TOXIC EFFECTS :
Behavioral - tremor Gastrointestinal - hypermotility, diarrhea Gastrointestinal - nausea or vomiting
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
150 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
800 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Behavioral - ataxia Nutritional and Gross Metabolic - body temperature decrease
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Parenteral
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
670 mg/kg
TOXIC EFFECTS :
Nutritional and Gross Metabolic - body temperature decrease
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - guinea pig
DOSE/DURATION :
1 gm/kg
TOXIC EFFECTS :
Gastrointestinal - nausea or vomiting Gastrointestinal - other changes
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - guinea pig
DOSE/DURATION :
1200 mg/kg
TOXIC EFFECTS :
Behavioral - tremor Gastrointestinal - hypermotility, diarrhea Gastrointestinal - nausea or vomiting
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
45 gm/kg/90D-C
TOXIC EFFECTS :
Brain and Coverings - changes in brain weight Nutritional and Gross Metabolic - weight loss or decreased weight gain Related to Chronic Data - changes in testicular weight
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
68 mg/kg/9W-I
TOXIC EFFECTS :
Nutritional and Gross Metabolic - weight loss or decreased weight gain Nutritional and Gross Metabolic - changes in calcium Nutritional and Gross Metabolic - changes in phosphorus
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
42 gm/kg/14D-C
TOXIC EFFECTS :
Related to Chronic Data - death
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
156 gm/kg/13W-I
TOXIC EFFECTS :
Gastrointestinal - other changes Blood - changes in spleen Related to Chronic Data - death
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Mammal - dog
DOSE/DURATION :
23 gm/kg/90D-C
TOXIC EFFECTS :
Liver - changes in liver weight Endocrine - changes in thyroid weight Related to Chronic Data - changes in testicular weight
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
6600 mg/kg
SEX/DURATION :
female 1-21 day(s) after conception
TOXIC EFFECTS :
Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus) Reproductive - Specific Developmental Abnormalities - musculoskeletal system Reproductive - Specific Developmental Abnormalities - other developmental abnormalities
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
45 gm/kg
SEX/DURATION :
male 90 day(s) pre-mating
TOXIC EFFECTS :
Reproductive - Paternal Effects - testes, epididymis, sperm duct
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
5390 mg/kg
SEX/DURATION :
female 6-15 day(s) after conception
TOXIC EFFECTS :
Reproductive - Fertility - post-implantation mortality (e.g. dead and/or resorbed implants per total number of implants) Reproductive - Effects on Embryo or Fetus - fetal death Reproductive - Specific Developmental Abnormalities - musculoskeletal system
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
1596 mg/kg
SEX/DURATION :
female 0-20 day(s) after conception
TOXIC EFFECTS :
Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus) Reproductive - Specific Developmental Abnormalities - musculoskeletal system
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
52 mg/kg
SEX/DURATION :
male 26 week(s) pre-mating
TOXIC EFFECTS :
Reproductive - Paternal Effects - spermatogenesis (incl. genetic material, sperm morphology, motility, and count)
TYPE OF TEST :
TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE :
Inhalation
DOSE :
9600 ug/m3/4H
SEX/DURATION :
male 16 week(s) pre-mating
TOXIC EFFECTS :
Reproductive - Paternal Effects - spermatogenesis (incl. genetic material, sperm morphology, motility, and count) Reproductive - Paternal Effects - testes, epididymis, sperm duct
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
7684 mg/kg
SEX/DURATION :
female 1-17 day(s) after conception
TOXIC EFFECTS :
Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus)
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
17051 mg/kg
SEX/DURATION :
female 1-17 day(s) after conception
TOXIC EFFECTS :
Reproductive - Fertility - post-implantation mortality (e.g. dead and/or resorbed implants per total number of implants)
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
18054 mg/kg
SEX/DURATION :
female 1-18 day(s) after conception
TOXIC EFFECTS :
Reproductive - Maternal Effects - uterus, cervix, vagina Reproductive - Fertility - post-implantation mortality (e.g. dead and/or resorbed implants per total number of implants)
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
8136 mg/kg
SEX/DURATION :
female 1-18 day(s) after conception
TOXIC EFFECTS :
Reproductive - Maternal Effects - other effects Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus)
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
3500 mg/kg
SEX/DURATION :
female 6-19 day(s) after conception
TOXIC EFFECTS :
Reproductive - Effects on Embryo or Fetus - fetal death Reproductive - Specific Developmental Abnormalities - cardiovascular (circulatory) system
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
3500 mg/kg
SEX/DURATION :
female 6-19 day(s) after conception
TOXIC EFFECTS :
Reproductive - Fertility - post-implantation mortality (e.g. dead and/or resorbed implants per total number of implants) Reproductive - Fertility - litter size (e.g. # fetuses per litter; measured before birth) Reproductive - Specific Developmental Abnormalities - cardiovascular (circulatory) system
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
3500 mg/kg
SEX/DURATION :
female 7-20 day(s) after conception
TOXIC EFFECTS :
Reproductive - Fertility - post-implantation mortality (e.g. dead and/or resorbed implants per total number of implants) Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus) Reproductive - Specific Developmental Abnormalities - musculoskeletal system
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
3500 mg/kg
SEX/DURATION :
female 6-19 day(s) after conception
TOXIC EFFECTS :
Reproductive - Specific Developmental Abnormalities - craniofacial (including nose and tongue) Reproductive - Specific Developmental Abnormalities - other developmental abnormalities
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
1750 mg/kg
SEX/DURATION :
female 7-20 day(s) after conception
TOXIC EFFECTS :
Reproductive - Maternal Effects - uterus, cervix, vagina Reproductive - Maternal Effects - other effects

MUTATION DATA

TYPE OF TEST :
Mutation in microorganisms
TEST SYSTEM :
Bacteria - Escherichia coli
DOSE/DURATION :
17000 ppm/24H
REFERENCE :
AMNTA4 American Naturalist. (Univ. of Chicago Press, Journals Div., POB 37005, Chicago, IL 60637) V.1- 1867- Volume(issue)/page/year: 85,119,1951 *** REVIEWS *** TOXICOLOGY REVIEW CLCHAU Clinical Chemistry (Winston-Salem, NC). (American Assoc. for Clinical Chemistry, 1725 K St., NW, Washington, DC 20006) V.1- 1955- Volume(issue)/page/year: 19,361,1973 TOXICOLOGY REVIEW FNSCA6 Forensic Science. (Lausanne, Switzerland) V.1-11, 1972-78. For pub lisher information, see FSINDR. Volume(issue)/page/year: 2,67,1973 TOXICOLOGY REVIEW JOPDAB Journal of Pediatrics. (C.V. Mosby Co., 11830 Westline Industrial Dr., St. Louis, MO 63141) V.1- 1932- Volume(issue)/page/year: 61,531,1962 *** U.S. STANDARDS AND REGULATIONS *** EPA FIFRA 1988 PESTICIDE SUBJECT TO REGISTRATION OR RE-REGISTRATION FEREAC Federal Register. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) V.1- 1936- Volume(issue)/page/year: 54,7740,1989 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-RUSSIA:STEL 10 mg/m3 JAN 1993 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X7080 No. of Facilities: 27071 (estimated) No. of Industries: 187 No. of Occupations: 128 No. of Employees: 489668 (estimated) No. of Female Employees: 211838 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X8324 No. of Facilities: 84 (estimated) No. of Industries: 3 No. of Occupations: 4 No. of Employees: 2919 (estimated) No. of Female Employees: 1712 (estimated)

符号 GHS08
GHS08
信号词 Danger
危害声明 H360FD
警示性声明 P201-P308 + P313
个人防护装备 Eyeshields;full-face particle respirator type N100 (US);Gloves;respirator cartridge type N100 (US);type P1 (EN143) respirator filter;type P3 (EN 143) respirator cartridges
危害码 (欧洲) T:Toxic;
风险声明 (欧洲) R60
安全声明 (欧洲) S26-S36-S53-S45
危险品运输编码 NONH for all modes of transport
WGK德国 2
RTECS号 ED4550000
危险类别 9.0
海关编码 2810002000
1.硼砂硫酸中和法 将硼砂溶解成相对密度30~32°Bé的溶液,滤去杂质,然后放入酸解罐,于90℃时加入当量硫酸,使溶液在Ph2~3时进行反应。反应完成液经冷却、结晶、分离、干燥后制得硼酸成品。其
反应方程式如下:
10043-35-3 preparation
2.碳氨法 将焙烧后的硼矿粉与碳酸氢铵混合,在浸取釜内加热物料至140℃、压力1.5~2.0 Mpa反应4h左右,放出剩余气体,经吸氨塔将氨回收,当温度降至110℃时即可放料。经过滤机过滤洗涤后,排除废渣,溶液送入蒸氨塔进行脱氨,可回收氨水。当蒸至氨硼比低于0.04(摩尔比)时再经浓缩、冷却、结晶、分离、干燥后,制得硼酸产品。其反应方程式如下:
10043-35-3 preparation
10043-35-3 preparation
10043-35-3 preparation
10043-35-3 preparation

10043-35-3 preparation
3.盐酸法 将硼精矿粉用母液和水调配至适当浓度后,送入酸解罐,徐徐加入盐酸到指定的酸量后,搅拌一定时间,再升温至95~100℃,反应2h,然后过滤,弃去滤渣,滤液经冷却、结晶、离心分离、水洗、干燥、包装,制得硼酸产品。其反应方程式如下:
10043-35-3 preparation
4.电解电渗析法 把碳碱法硼砂来的碳解液,加入冷凝水调节到规定的含硼浓度,作为阳极室的原料液,碳酸钠经碳化后的含有碳酸氢钠的碳化液,作为阴极室的原料液;分别经控制过滤后用泵打人电解电渗析槽的相应极室内。待流量稳定后,通入直流电,调节到规定的操作电流。当阳极室流出液达到规定的Ph值时,则送去蒸发,再经冷却结晶、离心分离、干燥,制得硼酸成品。
5.多硼酸钠法 将硼镁矿焙烧粉碎成一定细度的矿粉,按照低于理论量的配碱比与纯碱溶液配成适当液固比的料浆,通入不同浓度的二氧化碳气体,在一定温度和压力下进行碳解反应,反应后的料浆经过滤弃去泥渣。将得到的多硼酸钠溶液经蒸浓后加入硫酸中和,冷却结晶、离心分离,干燥,制得硼酸成品。其反应方程式如下:
10043-35-3 preparation 10043-35-3 preparation
6.井盐卤水盐酸法 由含硼卤水与盐酸一起蒸煮,再经脱水、冷却结晶、离心分离、干燥,制得硼酸成品。 7.将100g经反复重结晶精制的硼砂Na2B4O7·10H2O溶解于250g沸水配制成热的溶液。向这种溶液添加150mL 25%盐酸,放置1d之后在玻璃棉上抽滤,用少量水洗涤几次,直到没有氯离子为止。然后用3.5倍的沸水反复重结晶。结晶夹在滤纸中间干燥,再放到装有浓硫酸的真空干燥器中干燥。提纯方法为将硼酸反复进行重结晶。取少量硼酸,装到坩埚里熔融,试一试是否成为无色玻璃状。如果变成灰色就说明含有有机物。这时将硼酸和硝酸铵混合熔融成为均匀液体,再使其固化制成B2O3,然后B2O3加水煮沸溶解之后,使其蒸发结晶。 8. 将1份工业硼酸与2份蒸馏水在搪瓷桶内混合并加热溶解,用双层滤布中间夹一层滤纸,趁热过滤,滤液冷却结晶,离心脱水,于70℃下烘干。 9. 以工业硼酸为原料,用母液或蒸馏水加热溶解,经过滤、冷却结晶、离心分离和干燥等工序制得。先在溶解槽内放进一定量的母液(第一次开车用蒸馏水),开动搅拌器加热升温至95℃左右,然后缓慢加热工业硼酸,硼酸的投入量以控制溶解液含硼酸每升260g左右为宜。当工业硼酸完全溶解后,保持(85±5)℃进行真空吸滤,除掉水不溶物。滤液送至结晶槽,开动搅拌,用水间接冷却搅拌结晶。当结晶液冷却到接近室温时,用离心机进行固液分离。在离心机中,先甩干晶体,并酌情用蒸馏水淋洗离心机中的晶体,除去黏附在晶体表面的可溶性杂质,甩干出料,晶体送干燥得成品。母液和洗液供溶解工业硼酸循环使用,直至对产品质量有影响时,再浓缩结晶回收工业硼酸。 10. 重结晶法 此法主要用于精制工业硼酸制得高纯度硼酸。将工业硼酸溶于蒸馏水中,经除杂、提纯、过滤、结晶、离心分离、干燥,制得成品。如需要制更高纯度的硼酸,可采用多次结晶法获得。
海关编码 2810002000