calomel
Names
[ CAS No. ]:
7546-30-7
[ Name ]:
calomel
[Synonym ]:
mercuric chloride
Quecksilber chloruer [German]
Mercurochloride [Dutch]
dimercury(1+) chloride
Precipite blanc
Quecksilber(I)-chlorid [German]
Mercury chloride (HgCl)
mercury chloride (Hg2Cl2)
Mercury protochloride
Cloruro mercuroso [Italian]
Mild mercury chloride
chloromercury
Mercury chloride
dimercury(I) chloride
Mercury monochloride
Chemical & Physical Properties
[ Boiling Point ]:
384ºC
[ Melting Point ]:
302ºC
[ Molecular Formula ]:
ClHg
[ Molecular Weight ]:
236.04300
[ Exact Mass ]:
236.93900
[ Vapour Pressure ]:
33900mmHg at 25°C
[ Stability ]:
May be light sensitive. Incompatible with strong bases, carbonates, sulfides, cyanides, alkalies, sulfites, sulfates, hydrogen peroxide, ammonia, iodine, hydrogen bromide.
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- OV8750000
- CHEMICAL NAME :
- Mercury(I) chloride
- CAS REGISTRY NUMBER :
- 7546-30-7
- LAST UPDATED :
- 199712
- DATA ITEMS CITED :
- 29
- MOLECULAR FORMULA :
- Cl-Hg
- MOLECULAR WEIGHT :
- 236.04
- WISWESSER LINE NOTATION :
- HG G
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
MUTATION DATA
- TYPE OF TEST :
- Sister chromatid exchange
- TEST SYSTEM :
- Rodent - hamster Ovary
- REFERENCE :
- ENMUDM Environmental Mutagenesis. (New York, NY) V.1-9, 1979-87. For publisher information, see EMMUEG. Volume(issue)/page/year: 7,381,1985 *** REVIEWS *** ACGIH TLV-TWA 0.025 mg(Hg)/m3 (skin) 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-Not classifiable as a 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 TOXICOLOGY REVIEW SDGTB3 Seminars in Drug Treatment. (New York, NY) V.1-3, 1971-74. Discontinued. Volume(issue)/page/year: 1,177,1971 TOXICOLOGY REVIEW RREVAH Residue Reviews. (Springer-Verlag New York, Inc., Service Center, 44 Hartz Way, Secaucus, NJ 07094) V.1- 1962- Volume(issue)/page/year: 42,103,1972 *** U.S. STANDARDS AND REGULATIONS *** MSHA STANDARD-air:TWA 0.05 mg(Hg)/m3 DTLWS* "Documentation of the Threshold Limit Values for Substances in Workroom Air," Supplements. For publisher information, see 85INA8. Volume(issue)/page/year: 3,22,1973 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-AUSTRALIA:TWA 0.05 mg(Hg)/m3;Skin JAN 1993 OEL-BELGIUM:TWA 0.05 mg(Hg)/m3;Skin JAN 1993 OEL-DENMARK:TWA 0.05 mg(Hg)/m3 JAN 1993 OEL-FINLAND:TWA 0.05 mg(Hg)/m3 JAN 1993 OEL-FRANCE:TWA 0.05 mg(Hg)/m3 JAN 1993 OEL-GERMANY:TWA 0.01 ppm (0.1 mg(Hg)/m3) JAN 1993 OEL-HUNGARY:TWA 0.02 mg(Hg)/m3;STEL 0.04 mg(Hg)/m3 JAN 1993 OEL-JAPAN:TWA 0.05 mg(Hg)/m3 JAN 1993 OEL-THE NETHERLANDS:TWA 0.05 mg(Hg)/m3;STEL 0.15 mg(Hg)/m3 JAN 1993 OEL-THE PHILIPPINES:TWA 0.05 mg(Hg)/m3 JAN 1993 OEL-POLAND:TWA 0.01 mg(Hg)/m3 JAN 1993 OEL-RUSSIA:TWA 0.05 mg(Hg)/m3;STEL 0.01 mg(Hg)/m3 JAN 1993 OEL-SWEDEN:TWA 0.05 mg(Hg)/m3 JAN 1993 OEL-THAILAND:STEL 0.05 mg(Hg)/m3 JAN 1993 OEL-UNITED KINGDOM:TWA 0.05 mg(Hg)/m3;STEL 0.15 mg(Hg)/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 MERCURY, ARYL AND INORGANIC-air:CL 0.1 mg/m3 (Sk) 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