*** CHEMICAL IDENTIFICATION ***
RTECS NUMBER : EW2800000
CHEMICAL NAME : Calcium hydroxide
CAS REGISTRY NUMBER : 1305-62-0
LAST UPDATED : 199712
DATA ITEMS CITED : 27
MOLECULAR FORMULA : Ca-H2-O2
MOLECULAR WEIGHT : 74.10
WISWESSER LINE NOTATION : CA Q2
COMPOUND DESCRIPTOR : Agricultural Chemical
Mutagen
Primary Irritant
SYNONYMS/TRADE NAMES :
* Bell mine
* Biocalc
* Calcium dihydroxide
* Calcium hydrate
* Calcium hydroxide
* Calvit
* Carboxide
* Hydrated lime
* Kalkhydrate
* Kemikal
* Limbux
* Lime milk
* Lime water
* Milk of lime
* Slaked lime
*** HEALTH HAZARD DATA ***
** SKIN/EYE IRRITATION DATA **
TYPE OF TEST : Standard Draize test
ROUTE OF EXPOSURE : Administration into the eye
SPECIES OBSERVED : Rodent - rabbit
DOSE/DURATION : 10 mg
REACTION SEVERITY : Severe
REFERENCE :
TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E.
First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year:
55,501,1980
** ACUTE TOXICITY DATA **
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 7340 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
AIHAAP American Industrial Hygiene Association Journal. (AIHA, 475 Wolf
Ledges Pkwy., Akron, OH 44311) V.19- 1958- Volume(issue)/page/year:
30,470,1969
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 7300 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
YKYUA6 Yakkyoku. Pharmacy. (Nanzando, 4-1-11, Yushima, Bunkyo-ku, Tokyo,
Japan) V.1- 1950- Volume(issue)/page/year: 32,1477,1981
** MUTATION DATA **
TYPE OF TEST : Cytogenetic analysis
TEST SYSTEM : Rodent - rat Ascites tumor
DOSE/DURATION : 1200 mg/kg
REFERENCE :
GANNA2 Gann. Japanese Journal of Cancer Research. (Tokyo, Japan) V.1-75,
1907-84. For publisher information, see JJCREP. Volume(issue)/page/year:
54,155,1963
*** REVIEWS ***
ACGIH TLV-TWA 5 mg/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
*** 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
OSHA PEL (Gen Indu):8H TWA 15 mg/m3, total dust
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 (Gen Indu):8H TWA 5 mg/m3, respirable fraction
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 15 mg/m3, total dust
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 (Construc):8H TWA 5 mg/m3, respirable fraction
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):8H TWA 15 mg/m3, total dust
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 (Shipyard):8H TWA 5 mg/m3, respirable fraction
CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt.
of Documents, Washington, DC 20402) Volume(issue)/page/year:
29,1915.1000,1993
*** OCCUPATIONAL EXPOSURE LIMITS ***
OEL-AUSTRALIA:TWA 5 mg/m3 JAN 1993
OEL-BELGIUM:TWA 5 mg/m3 JAN 1993
OEL-DENMARK:TWA 5 mg/m3 JAN 1993
OEL-FINLAND:TWA 5 mg/m3 JAN 1993
OEL-FRANCE:TWA 5 mg/m3 JAN 1993
OEL-THE NETHERLANDS:TWA 5 mg/m3 JAN 1993
OEL-SWITZERLAND:TWA 5 mg/m3 JAN 1993
OEL-UNITED KINGDOM:TWA 5 mg/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 CALCIUM HYDROXIDE-air:10H TWA 5 mg/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 - 15743
No. of Facilities: 15315 (estimated)
No. of Industries: 187
No. of Occupations: 115
No. of Employees: 226292 (estimated)
NOES - National Occupational Exposure Survey (1983)
NOES Hazard Code - 15743
No. of Facilities: 20988 (estimated)
No. of Industries: 167
No. of Occupations: 131
No. of Employees: 360007 (estimated)
No. of Female Employees: 39330 (estimated)
*** STATUS IN U.S. ***
EPA TSCA Section 8(b) CHEMICAL INVENTORY
NIOSH Analytical Method, 1994: Calcium and compounds, 7020
*** END OF RECORD ***
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