铬酸
铬酸用途
其溶液用于镀铬
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铬酸名称
[ CAS 号 ]:
7738-94-5
[ 中文名 ]:
铬酸
[ 英文名 ]:
chromic acid
[英文别名 ]:
- Jones reagent
- 5H-[1]Benzopyrano[3,4-b]pyridin-5-one
- EINECS 231-801-5
- Chromic acid
铬酸物理化学性质
[ 沸点 ]:
330ºC
[ 熔点 ]:
196ºC (dec.)(lit.)
[ 分子式 ]:
CrH2O4
[ 分子量 ]:
118.01000
[ 闪点 ]:
250ºC
[ 精确质量 ]:
117.93600
[ PSA ]:
74.60000
[ 外观性状 ]:
暗紫红色固体
[ 储存条件 ]:
库房通风,轻装轻卸,与有机物、还原剂、硫磷易燃物分开存放
[ 水溶解性 ]:
HIGHLY Soluble
铬酸MSDS
铬酸毒性和生态
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- GB2450000
- CHEMICAL NAME :
- Chromic acid (H2CrO4)
- CAS REGISTRY NUMBER :
- 7738-94-5
- LAST UPDATED :
- 199712
- DATA ITEMS CITED :
- 18
- MOLECULAR FORMULA :
- Cr-H2-O4
- MOLECULAR WEIGHT :
- 118.02
- WISWESSER LINE NOTATION :
- H2 CR-O4
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
- TYPE OF TEST :
- LDLo - Lowest published lethal dose
- ROUTE OF EXPOSURE :
- Subcutaneous
- SPECIES OBSERVED :
- Mammal - dog
- DOSE/DURATION :
- 320 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
MUTATION DATA
- TYPE OF TEST :
- DNA repair
- TEST SYSTEM :
- Yeast - Schizosaccharomyces pombe
- REFERENCE :
- CNJGA8 Canadian Journal of Genetics and Cytology. (National Research Council of Canada, Publication Sales and Distribution, Ottawa ON K1A OR6, Canada) V.1- 1959- Volume(issue)/page/year: 24,771,1982 *** REVIEWS *** ACGIH TLV-TWA 0.05 mg(Cr)/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(Cr)/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: 3,35,1971 OSHA PEL (Gen Indu):CL 0.1 mg(CrO3)/m3 CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1910.1000,1994 OSHA PEL (Construc):8H TWA 0.1 mg(CrO3)/m3 CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1926.55,1994 OSHA PEL (Shipyard):CL 0.1 mg(CrO3)/m3 CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1915.1000,1993 OSHA PEL (Fed Cont):8H TWA 0.1 mg(CrO3)/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 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH RECOMMENDED EXPOSURE LEVEL (REL) : NIOSH REL TO CHROMIC ACID-air:10H CA TWA 0.001 mg(Cr)/m3 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 - 19360 No. of Facilities: 6762 (estimated) No. of Industries: 108 No. of Occupations: 76 No. of Employees: 51589 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 19360 No. of Facilities: 6020 (estimated) No. of Industries: 105 No. of Occupations: 84 No. of Employees: 126538 (estimated) No. of Female Employees: 19927 (estimated)
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铬酸安全信息
[ 危险品运输编码 ]:
UN 1463/1755
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