砷酸、原砷酸
砷酸、原砷酸用途
制备砷酸盐(砷酸钙,砷酸铅)杀虫剂。
砷酸、原砷酸名称
[ CAS 号 ]:
7778-39-4
[ 中文名 ]:
砷酸、原砷酸
[ 英文名 ]:
arsenic acid
[中文别名 ]:
[英文别名 ]:
- desiccantl-10
- MFCD00036290
- zotox
- arsenic(V) acid
- dessicantl-10
- ARSENIC ACID
- Arsensure
- wellno056
- hydrogen arsenate(V)
- orthoarsenic
砷酸、原砷酸物理化学性质
[ 密度 ]:
1.485
[ 沸点 ]:
160ºC
[ 熔点 ]:
>300 °C(lit.)
[ 分子式 ]:
AsH3O4
[ 分子量 ]:
141.94300
[ 精确质量 ]:
141.92500
[ PSA ]:
77.76000
[ 外观性状 ]:
灰白色粉末。
[ 储存条件 ]:
Store in dark!
[ 稳定性 ]:
Incompatible with metals.
[ 水溶解性 ]:
0.1 g/100 mL (20 ºC)
砷酸、原砷酸毒性和生态
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- CG0700000
- CHEMICAL NAME :
- Arsenic acid (H3AsO4)
- CAS REGISTRY NUMBER :
- 7778-39-4
- LAST UPDATED :
- 199712
- DATA ITEMS CITED :
- 37
- MOLECULAR FORMULA :
- As-H3-O4
- MOLECULAR WEIGHT :
- 141.95
- WISWESSER LINE NOTATION :
- H3 AS-O4
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 :
- 48 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 :
- Oral
- SPECIES OBSERVED :
- Mammal - dog
- DOSE/DURATION :
- 10 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 :
- Oral
- SPECIES OBSERVED :
- Rodent - rabbit
- DOSE/DURATION :
- 5 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 :
- Oral
- SPECIES OBSERVED :
- Bird - pigeon
- DOSE/DURATION :
- 100 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 :
- Oral
- SPECIES OBSERVED :
- Bird - chicken
- DOSE/DURATION :
- 125 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Intraperitoneal
- DOSE :
- 30 mg/kg
- SEX/DURATION :
- female 9 day(s) after conception
- TOXIC EFFECTS :
- Reproductive - Effects on Embryo or Fetus - cytological changes (including somatic cell genetic material) Reproductive - Specific Developmental Abnormalities - Central Nervous System
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- DOSE :
- 120 mg/kg
- SEX/DURATION :
- female 7-15 day(s) after conception
- TOXIC EFFECTS :
- Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus) Reproductive - Effects on Embryo or Fetus - fetal death
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Intraperitoneal
- DOSE :
- 40 mg/kg
- SEX/DURATION :
- female 7-15 day(s) after conception
- TOXIC EFFECTS :
- Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus) Reproductive - Effects on Embryo or Fetus - fetal death
MUTATION DATA
- TEST SYSTEM :
- Rodent - mouse
- REFERENCE :
- MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 389,3,1997 *** 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 *** 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-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-ARAB Republic of Egypt:TWA 0.2 mg(As)/m3 JAN 1993 OEL-AUSTRALIA:TWA 0.05 mg(As)/m3;Carcinogen JAN 1993 OEL-BELGIUM:TWA 0.2 mg(As)/m3 JAN 1993 OEL-DENMARK:TWA 0.05 mg(As)/m3 JAN 1993 OEL-FINLAND;Carcinogen JAN 1993 OEL-FRANCE:TWA 0.2 mg(As)/m3 JAN 1993 OEL-HUNGARY:STEL 0.5 mg(As)/m3;Carcinogen JAN 1993 OEL-INDIA:TWA 0.2 mg(As)/m3 JAN 1993 OEL-THE PHILIPPINES:TWA 0.5 mg(As)/m3 JAN 1993 OEL-POLAND:TWA 0.3 mg(As)/m3 JAN 1993 OEL-SWEDEN:TWA 0.03 mg(As)/m3;Carcinogen JAN 1993 OEL-SWITZERLAND:TWA 0.1 mg(As)/m3;Carcinogen JAN 1993 OEL-THAILAND:TWA 0.5 mg(As)/m3 JAN 1993 OEL-TURKEY:TWA 0.5 mg(As)/m3 JAN 1993 OEL-UNITED KINGDOM:TWA 0.2 mg(As)/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 NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 84479 No. of Facilities: 30 (estimated) No. of Industries: 2 No. of Occupations: 2 No. of Employees: 166 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 84479 No. of Facilities: 249 (estimated) No. of Industries: 5 No. of Occupations: 9 No. of Employees: 4415 (estimated) No. of Female Employees: 1111 (estimated)
砷酸、原砷酸安全信息
[ 危险品运输编码 ]:
1554
[ 包装等级 ]:
II
[ 危险类别 ]:
6.1(a)
砷酸、原砷酸合成路线
砷酸、原砷酸上下游产品
砷酸、原砷酸上游产品
砷酸、原砷酸下游产品
砷酸、原砷酸制备
将100g As2O3放入磨口烧瓶,慢慢滴加100mL浓硝酸(相对密度1.38),同时加热,加热到不再产生氧化氮气体(导入浓硫酸中,可以作为硫酸亚硝酰酯收集之)为止。只将上层澄清液分离出来,将它蒸干。残余物用少量水溶解,用玻璃过滤器过滤。将滤液加热浓缩,当溶液温度到达130℃时停止。放置冷却后,置于装有浓硫酸的干燥器,在冷柜中析出结晶H3AsO4·0.5H2O。
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