7778-44-1

7778-44-1结构式
7778-44-1结构式
  • 常用中文名:砷酸钙
  • 常用英文名:calcium arsenate
  • CAS号:7778-44-1
  • 分子式:As2Ca3O8
  • 分子量:398.07200
  • 发布时间:2018-06-19 17:43:07
  • 更新时间:2024-01-13 22:06:46
  • 用作杀虫剂、灭螺剂、杀菌剂等。


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中文名 砷酸钙
英文名 calcium arsenate
英文别名 Calcium-o-arsenate
MFCD00049407
Calcium orthoarsenate
EINECS 231-904-5
Chip-Cal Granular
CALCIUM ARSENATE
tricalcium orthoarsenate
Spra-cal
tricalcium,trioxido(oxo)-λ<sup>5</sup>-arsane
arsenic acid (H3AsO4) calcium salt (2:3)
Cucumber dust
Kalziumarseniat (German)
密度 3,62 g/cm3
分子式 As2Ca3O8
分子量 398.07200
精确质量 397.69000
PSA 172.50000
储存条件

储存注意事项 储存于阴凉、通风良好的专用库房内。实行“双人收发,双人保管”制度。远离火种、热源。包装密封。应与氧化剂、酸类、食用化学品分开存放,切忌混储。储区应备有合适的材料收容泄漏物。

稳定性

1.稳定性 稳定

2.禁配物 强氧化剂、酸类

3.避免接触的条件 受热

4.聚合危害 不聚合

5.分解产物 氧化砷、氧化钙

水溶解性 每100毫升水中的溶解克数: 3.629×10-3/20℃
计算化学

1.疏水参数计算参考值(XlogP):无

2.氢键供体数量:0

3.氢键受体数量:8

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173

7.重原子数量:13

8.表面电荷:0

9.复杂度:36.8

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:5

更多

1.性状:无色无定形粉末

2.熔点(℃):1455(分解)

3.相对密度(水=1):3.62

4.溶解性:微溶于水,溶于稀酸,不溶于有机溶剂。

国标编号: 61012
CAS: 7778-44-1
中文名称: 砷酸钙
英文名称: calcium arsenate
别 名: 砷酸三钙
分子式: Ca3(AsO4)2
分子量: 398.08
熔 点: 1455℃
密 度: 相对密度(水=1)3.62
蒸汽压:
溶解性: 微溶于水,溶于稀酸
稳定性: 稳定
外观与性状: 无色无定形粉末
危险标记: 13(剧毒品)
用 途: 用作杀虫剂

2.对环境的影响:
一、健康危害

侵入途径:吸入、食入、经皮吸收。
健康危害:口服砷化合物致急性胃肠炎、休克、周围神经病、中毒性心肌炎、肝炎,以及抽搐、昏迷等,甚至死亡。大量吸入亦可引起急性中毒,但消化道症状较轻。
慢性中毒:长期接触砷化合物引起消化系统症状,肝肾损害,皮肤色素沉着、角化过度或疣状增生,多发性神经炎等。

二、毒理学资料及环境行为

急性毒性:LD5020mg/kg(大鼠经口)
危险特性:不燃。受高热分解放出有毒的气体。
燃烧(分解)产物:氧化砷、氧化钙。


3.现场应急监测方法:
 


4.实验室监测方法:
空气中砷酸钙含量的测定:样品经滤器收集后,用原子吸收光谱法测定(NIOSH法)


5.环境标准:
前苏联 车间空气中有害物质的最高容许浓度 0.04mg/m3[As]


6.应急处理处置方法:
一、泄漏应急处理

隔离泄漏污染区,限制出入。建议应急处理人员戴自给正压式呼吸器,穿防毒服。不要直接接触泄漏物。小量泄漏:避免扬尘,用洁净的铲子收集于干燥、洁净、有盖的容器中。大量泄漏:用塑料布、帆布覆盖,减少飞散。然后收集、回收或运至废物处理场所处置。废弃物处置方法:废料量大的情况,可贮存在防漏、耐气候变化的地下室。废料量少的情况,可按化学废料填埋处理,或者用盐酸溶解废料,能硫化氢,生成硫化砷沉淀,经干燥后回收使用。

二、防护措施

呼吸系统防护:可能接触其粉尘时,必须佩戴头罩型电动送风过滤式防尘呼吸器。紧急事态抢救或撤离时,建议佩戴空气呼吸器。
眼睛防护:呼吸系统防护中已作防护。
身体防护:穿连衣式胶布防毒衣。
手防护:戴橡胶手套。
其它:工作现场禁止吸烟、进食和饮水。工作毕,彻底清洗。单独存放被毒物污染的衣服,洗后备用。实行就业前和定期的体检。

三、急救措施

皮肤接触:立即脱去被污染的衣着,用肥皂水和清水彻底冲洗皮肤,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:迅速脱离现场至空气新鲜处。保持呼吸道通畅。如呼吸困难,给输氧。如呼吸停止,立即进行人工呼吸。就医。
食入:催吐。洗胃。给饮牛奶或蛋清。就医。

灭火方法:消防人员必须穿戴全身防火防毒服。灭火剂:干粉、水、砂土。

毒理学数据:

1.急性毒性 LD50:20mg/kg(大鼠经口)

2.刺激性 暂无资料

3.致癌性 IARC致癌性评论:IARC将砷及其无机化合物列为G1,确认人类致癌物。

生态学数据:

1.生态毒性 暂无资料

2.生物降解性 暂无资料

3.非生物降解性 暂无资料

4.其他有害作用 该物质对环境有危害,应注意对水环境和蓄水层的污染。在对人类重要食物链中,特别是在植物中发生生物蓄积。

CHEMICAL IDENTIFICATION

RTECS NUMBER :
CG0830000
CAS REGISTRY NUMBER :
7778-44-1
LAST UPDATED :
199712
DATA ITEMS CITED :
33
MOLECULAR FORMULA :
As2-O8.3Ca
MOLECULAR WEIGHT :
398.08
WISWESSER LINE NOTATION :
CA3 AS-O4*2

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
20 mg/kg
TOXIC EFFECTS :
Peripheral Nerve and Sensation - spastic paralysis with or without sensory change Behavioral - somnolence (general depressed activity) Nutritional and Gross Metabolic - dehydration
REFERENCE :
AFDOAQ Quarterly Bulletin--Association of Food and Drug Officials of the United States. (Denver, CO) V.3-38, 1939-74. Volume(issue)/page/year: 15,122,1951
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
2400 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
28ZEAL "Pesticide Index," Frear, E.H., ed., State College, PA, College Science Pub., 1969 Volume(issue)/page/year: 5,35,1976
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
794 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
AMRL** Aerospace Medical Research Laboratory Report. (Aerospace Technical Div., Air Force Systems Command, Wright-Patterson Air Force Base, OH 45433) Volume(issue)/page/year: TR-72-62,1972
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Mammal - dog
DOSE/DURATION :
38 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
85DPAN "Wirksubstanzen der Pflanzenschutz und Schadlingsbekampfungsmittel," Perkow, W., Berlin, Verlag Paul Parey, 1971-1976 Volume(issue)/page/year: -,-,1971/1976
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
50 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
JPETAB Journal of Pharmacology and Experimental Therapeutics. (Williams & Wilkins Co., 428 E. Preston St., Baltimore, MD 21202) V.1- 1909/10- Volume(issue)/page/year: 39,246,1930 ** OTHER MULTIPLE DOSE TOXICITY DATA **
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
24 gm/kg/2Y-C
TOXIC EFFECTS :
Kidney, Ureter, Bladder - changes in tubules (including acute renal failure, acute tubular necrosis) Blood - changes in spleen Related to Chronic Data - death
REFERENCE :
PHRPA6 Public Health Reports. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) V.1- 1878- Volume(issue)/page/year: 56,1610,1941 ** TUMORIGENIC DATA **
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Intratracheal
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
1600 ug/kg
TOXIC EFFECTS :
Tumorigenic - equivocal tumorigenic agent by RTECS criteria Lungs, Thorax, or Respiration - tumors Tumorigenic - tumors at site of application
REFERENCE :
IJCNAW International Journal of Cancer. (International Union Against Cancer, 3 rue du Conseil- General, 1205 Geneva, Switzerland) V.1- 1966- Volume(issue)/page/year: 24,786,1979
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Intratracheal
SPECIES OBSERVED :
Rodent - hamster
DOSE/DURATION :
120 mg/kg/15W-C
TOXIC EFFECTS :
Tumorigenic - neoplastic by RTECS criteria Lungs, Thorax, or Respiration - tumors
REFERENCE :
CALEDQ Cancer Letters (Shannon, Ireland). (Elsevier Scientific Pub. Ireland Ltd., POB 85, Limerick, Ireland) V.1- 1975- Volume(issue)/page/year: 27,99,1985
TYPE OF TEST :
TD - Toxic dose (other than lowest)
ROUTE OF EXPOSURE :
Intratracheal
SPECIES OBSERVED :
Rodent - hamster
DOSE/DURATION :
214 mg/kg/15W-I
REFERENCE :
IJCNAW International Journal of Cancer. (International Union Against Cancer, 3 rue du Conseil- General, 1205 Geneva, Switzerland) V.1- 1966- Volume(issue)/page/year: 40,220,1987 *** REVIEWS *** ACGIH TLV-TWA 0.01 mg(As)/m3 DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: TLV/BEI,1997 ACGIH TLV-Confirmed human carcinogen DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: TLV/BEI,1997 IARC Cancer Review:Human Sufficient Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 23,39,1980 IARC Cancer Review:Animal Limited Evidence IMSUDL IARC Monographs, Supplement. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) No.1- 1979- Volume(issue)/page/year: 7,100,1987 IARC Cancer Review:Animal Inadequate Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 23,39,1980 IARC Cancer Review:Group 1 IMSUDL IARC Monographs, Supplement. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) No.1- 1979- Volume(issue)/page/year: 7,100,1987 TOXICOLOGY REVIEW 85DHAX "Medical and Biologic Effects of Environmental Pollutants Series," Washington, DC, National Academy of Sciences, 1972-77 Volume(issue)/page/year: As,-,1977 *** 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 MSHA STANDARD-air:TWA 0.5 mg(As)/m3 DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: 3,16,1971 OSHA PEL (Fed Cont):8H TWA 1 mg/m3 CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 41,50-204.50,1994 OSHA-cancer hazard CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1910.1018,1987 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-DENMARK:TWA 1 mg/m3 JAN 1993 OEL-GERMANY;Carcinogen JAN 1993 OEL-THE PHILIPPINES:TWA 1 mg/m3 JAN 1993 OEL-SWITZERLAND;Carcinogen JAN 1993 OEL-TURKEY:TWA 1 mg/m3 JAN 1993 OEL-UNITED KINGDOM:TWA 0.2 mg/m3 JAN 1993 OEL IN BULGARIA, COLOMBIA, JORDAN, KOREA check ACGIH TLV OEL IN NEW ZEALAND, SINGAPORE, VIETNAM check ACGIH TLV *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH RECOMMENDED EXPOSURE LEVEL (REL) : NIOSH REL TO ARSENIC, INORGANIC-air:CA CL 0.002 mg(As)/m3/15M REFERENCE : NIOSH* National Institute for Occupational Safety and Health, U.S. Dept. of Health, Education, and Welfare, Reports and Memoranda. Volume(issue)/page/year: DHHS #92-100,1992

风险声明 (欧洲) 23/25-45-50/53
安全声明 (欧洲) S45-S53
危险品运输编码 1573
包装等级 II
危险类别 6.1