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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 ]:

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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【铬酸】化源网提供铬酸CAS号7738-94-5,铬酸MSDS及其说明、性质、英文名、生产厂家、作用/用途、分子量、密度、沸点、熔点、结构式等。CAS号查询铬酸上化源网,专业又轻松。>>电脑版:铬酸

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