MOLYBDENUM BORIDE
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Names
[ CAS No. ]:
12007-97-5
[ Name ]:
MOLYBDENUM BORIDE
[Synonym ]:
Dimolybdenum pentaboride
Molybdenum boride (Mo2B5)
EINECS 234-523-2
Molybdenum boride
Molybdenum pentaboride (Mo2B5)
Chemical & Physical Properties
[ Melting Point ]:
2200ºC
[ Molecular Formula ]:
B5H5Mo2
[ Molecular Weight ]:
251.01500
[ Exact Mass ]:
255.89600
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- QA4681000
- CHEMICAL NAME :
- Molybdenum boride
- CAS REGISTRY NUMBER :
- 12007-97-5
- LAST UPDATED :
- 199712
- DATA ITEMS CITED :
- 24
- MOLECULAR FORMULA :
- B5-Mo2
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
- TYPE OF TEST :
- LDLo - Lowest published lethal dose
- ROUTE OF EXPOSURE :
- Intratracheal
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 125 mg/kg
- TOXIC EFFECTS :
- Liver - other changes
- REFERENCE :
- GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 9(6),40,1965
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 1377 mg/kg
- TOXIC EFFECTS :
- Liver - other changes
- REFERENCE :
- GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 9(6),40,1965
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rabbit
- DOSE/DURATION :
- 1380 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- 85AEA9 "Environmental Hazards of Metals," Brakhnova, I.T., translated by J.H. Slep, New York, Consultants Bureau, 1975 Volume(issue)/page/year: -,115,1975 *** REVIEWS *** ACGIH TLV-TWA 10 mg(Mo)/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 *** MSHA STANDARD-air:TWA 10 mg(Mo)/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: 3,173,1971 OSHA PEL (Gen Indu):8H TWA 15 mg(Mo)/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 (Construc):8H TWA 15 mg(Mo)/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 (Shipyard):8H TWA 15 mg(Mo)/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 15 mg(Mo)/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 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-AUSTRALIA:TWA 10 mg(Mo)/m3 JAN 1993 OEL-BELGIUM:TWA 10 mg(Mo)/m3 JAN 1993 OEL-DENMARK:TWA 10 mg(Mo)/m3 JAN 1993 OEL-FRANCE:TWA 5 mg(Mo)/m3;STEL 10 mg(Mo)/m3 JAN 1993 OEL-GERMANY:TWA 15 mg(Mo)/m3 JAN 1993 OEL-THE NETHERLANDS:TWA 10 mg(Mo)/m3 JAN 1993 OEL-THE PHILIPPINES:TWA 15 mg(Mo)/m3 JAN 1993 OEL-SWEDEN:TWA 10 mg(Mo)/m3 (total dust) JAN 1993 OEL-SWEDEN:TWA 5 mg(Mo)/m3 (resp. dust) JAN 1993 OEL-SWITZERLAND:TWA 10 mg(Mo)/m3 JAN 1993 OEL-TURKEY:TWA 15 mg(Mo)/m3 JAN 1993 OEL-UNITED KINGDOM:TWA 10 mg(Mo)/m3;STEL 20 mg(Mo)/m3 JAN 1993 OEL IN BULGARIA, COLOMBIA, JORDAN, KOREA check ACGIH TLV OEL IN NEW ZEALAND, SINGAPORE, VIETNAM check ACGIH TLV
Safety Information
[ Safety Phrases ]:
S22;S24/25