中文名 |
七水硫酸亚铁
|
英文名 |
iron(2+) sulfate heptahydrate
|
中文别名 |
硫酸亚铁(七水)
硫酸亚铁七水合物
七水合硫酸亚铁
硫酸亚铁,七水合物
硫酸亚铁,七水
硫酸亚铁(II)七水合物
硫酸亚铁
|
英文别名 |
MFCD00036428
Iron(2+) sulfate hydrate (1:1:7)
Ferrous sulfate heptahydrate
iron(2+),sulfate,heptahydrate
EINECS 238-676-6
|
密度 |
0.999 g/mL at 25 °C
|
沸点 |
330ºC at 760 mmHg
|
熔点 |
64 °C
|
分子式 |
H14FeO11S
|
分子量 |
278.015
|
精确质量 |
277.960632
|
PSA |
153.25000
|
外观性状 |
淡蓝色或淡蓝色-绿色固体
|
蒸汽压 |
14.6 mm Hg ( 25 °C)
|
储存条件 |
1.贮存在干燥的库房中。应防止风化。久贮会变黄.
2.不得与有害有毒物品混运, 防止污染
|
稳定性 |
1.溶于水(50℃时48.6g/100ml水),微溶于醇,溶于无水甲醇。64~90℃时失去6个结晶水,加热到300℃时失去全部结晶水而成无水物。红热时分解生成三氧化二铁并放出二氧化硫、三氧化硫。有腐蚀性,在干燥空气中会风化。易被潮湿空气氧化。
2.在干燥的空气中易风化,热至64℃时因转变为一水合物FeSO4·H2O而变白.
|
水溶解性 |
25.6 g/100 mL (20 ºC)
|
计算化学 |
1.疏水参数计算参考值(XlogP):无
2.氢键供体数量:7
3.氢键受体数量:11
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95.6
7.重原子数量:13
8.表面电荷:0
9.复杂度:62.2
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:9
|
更多 |
1. 性状:蓝绿色单斜晶系结晶或颗粒,无气味。
2. 密度(g/mL 25ºC):1.899
3. 相对蒸汽密度(g/mL,空气=1):未确定
4. 熔点(ºC):64
5. 沸点(ºC,常压):未确定
6. 沸点(ºC,5.2kPa):未确定
7. 折射率(n20/D):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):14.6mm Hg
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(25℃):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:25.6 g/100 mL (20 ºC)、甘油,不溶于乙醇,溶于无水甲醇。
|
生态学数据:
对水是稍微危害的,若无政府许可,勿将材料排入周围环境
CHEMICAL IDENTIFICATION
-
RTECS NUMBER :
-
NO8510000
-
CAS REGISTRY NUMBER :
-
7782-63-0
-
LAST UPDATED :
-
199707
-
DATA ITEMS CITED :
-
19
-
MOLECULAR FORMULA :
-
O4-S.Fe.7H2-O
-
MOLECULAR WEIGHT :
-
278.05
-
WISWESSER LINE NOTATION :
-
.FE..S-O4 .QH7
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
-
TYPE OF TEST :
-
LDLo - Lowest published lethal dose
-
ROUTE OF EXPOSURE :
-
Oral
-
SPECIES OBSERVED :
-
Rodent - rat
-
DOSE/DURATION :
-
1389 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 :
-
Rectal
-
SPECIES OBSERVED :
-
Rodent - rat
-
DOSE/DURATION :
-
697 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 - mouse
-
DOSE/DURATION :
-
1520 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 :
-
Intraperitoneal
-
SPECIES OBSERVED :
-
Rodent - mouse
-
DOSE/DURATION :
-
245 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 :
-
51 mg/kg
-
TOXIC EFFECTS :
-
Behavioral - somnolence (general depressed activity) Cardiac - other changes Lungs, Thorax, or Respiration - respiratory depression
-
TYPE OF TEST :
-
LDLo - Lowest published lethal dose
-
ROUTE OF EXPOSURE :
-
Oral
-
SPECIES OBSERVED :
-
Rodent - rabbit
-
DOSE/DURATION :
-
2778 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 :
-
Subcutaneous
-
SPECIES OBSERVED :
-
Rodent - rabbit
-
DOSE/DURATION :
-
279 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 :
-
99 mg/kg
-
TOXIC EFFECTS :
-
Details of toxic effects not reported other than lethal dose value
MUTATION DATA
-
TYPE OF TEST :
-
Micronucleus test
-
TEST SYSTEM :
-
Rodent - mouse Cells - not otherwise specified
-
DOSE/DURATION :
-
500 umol/L
-
REFERENCE :
-
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 244,337,1990 *** REVIEWS *** TOXICOLOGY REVIEW CTOXAO Clinical Toxicology. (New York, NY) V.1-18, 1968-81. For publisher information, see JTCTDW. Volume(issue)/page/year: 4,615,1971 *** 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 1 mg(Fe)/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: 3,138,1971 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-DENMARK:TWA 1 mg(Fe)/m3 JAN 1993 OEL-FINLAND:TWA 1 mg(Fe)/m3 JAN 1993 OEL-THE NETHERLANDS:TWA 1 mg(Fe)/m3 JAN 1993 OEL-SWITZERLAND:TWA 1 mg(Fe)/m3 JAN 1993 OEL-UNITED KINGDOM:TWA 1 mg(Fe)/m3;STEL 2 mg(Fe)/m3 JAN 1993 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X3016 No. of Facilities: 352 (estimated) No. of Industries: 6 No. of Occupations: 12 No. of Employees: 7242 (estimated) No. of Female Employees: 2396 (estimated)
|
【方法一】
(1)生产钛白粉副产法。钛铁矿用硫酸分解制钛白粉时,生成硫酸亚铁和硫酸铁,三价铁用铁丝还原成二价铁。经冷冻结晶可得副产硫酸亚铁。
(2)硫酸法。将铁屑溶解于稀硫酸与母液的混合液中,控制反应温度在80℃以下,否则会析出一水硫酸亚铁沉淀。反应生成的微酸性硫酸亚铁溶液经澄清除去杂质,然后冷却,离心分离即得浅绿色硫酸亚铁。
【方法二】
生产钛白粉副产法
钛铁矿用硫酸分解制钛白粉时,生成硫酸亚铁和硫酸铁,三价铁用铁丝还原成二价铁。经冷冻结晶可得副产硫酸亚铁。
5H2SO4+2FeTiO3→2FeSO4+TiOS04+Ti(SO4)2+5H2O
硫酸法
将铁屑溶解于稀硫酸与母液的混合液中,控制反应温度在80℃以下,否则会析出一水硫酸亚铁沉淀。反应生成的微酸性硫酸亚铁溶液经澄清除去杂质,然后冷却、离心分离即得浅绿色硫酸亚铁。
Fe+H2SO4→FeSO4+H2↑
【方法三】
硫酸法硫酸与母液混合,用蒸汽加热至80℃时,将废铁屑溶解于反应液中,反应生成的微酸性硫酸亚铁溶液经澄清去除杂质后,再经冷却结晶、离心脱水,制得硫酸亚铁。其
Fe+H2SO4→FeSO4+H2↑
钛白副产法将硫酸分解钛铁矿制造钛白粉生产中经沉淀、冷冻、分离的副产硫酸亚铁,经重结晶精制,制得硫酸亚铁成品。其
FeTio2+2H2SO4→FeSO4+TiOSO4+TiOSO4+2H2O
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