*** CHEMICAL IDENTIFICATION ***
RTECS NUMBER : CG0950000
CHEMICAL NAME : Arsenic acid, hemihydrate
CAS REGISTRY NUMBER : 7774-41-6
LAST UPDATED : 199712
DATA ITEMS CITED : 24
MOLECULAR FORMULA : As-H3-O4.1/2H2-O
MOLECULAR WEIGHT : 150.96
WISWESSER LINE NOTATION : H3 AS-O4 *2 QH
SYNONYMS/TRADE NAMES :
* Orthoarsenic acid hemihydrate
*** HEALTH HAZARD DATA ***
** ACUTE TOXICITY DATA **
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intravenous
SPECIES OBSERVED : Rodent - rabbit
DOSE/DURATION : 6 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
85KYAH "Merck Index; an Encyclopedia of Chemicals, Drugs, and Biologicals",
11th ed., Rahway, NJ 07065, Merck & Co., Inc. 1989 Volume(issue)/page/year:
11,126,1989
*** 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 ***
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
*** STATUS IN U.S. ***
NIOSH CURRENT INTELLIGENCE BULLETIN 14, 1976
*** END OF RECORD ***
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