CAS 18868-43-4|Dioxomolybdenum

Introduction:Basic information about CAS 18868-43-4|Dioxomolybdenum, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
Common NameDioxomolybdenum
CAS Number18868-43-4Molecular Weight127.939
Density6.47 g/mL at 25ºC(lit.)Boiling Point/
Molecular FormulaMoO2Melting Point/
MSDSChineseUSAFlash Point/

Names

Namedioxomolybdenum
SynonymMore Synonyms

Chemical & Physical Properties

Density6.47 g/mL at 25ºC(lit.)
Molecular FormulaMoO2
Molecular Weight127.939
Exact Mass129.895233
PSA34.14000
InChIKeyQXYJCZRRLLQGCR-UHFFFAOYSA-N
SMILESO=[Mo]=O

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
QA4688000
CHEMICAL NAME :
Molybdenum oxide
CAS REGISTRY NUMBER :
18868-43-4
LAST UPDATED :
199712
DATA ITEMS CITED :
37
MOLECULAR FORMULA :
Mo-O2

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
318 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
ZVKOA6 Zhurnal Vsesoyuznogo Khimicheskogo Obshchestva im. D.I. Mendeleeva. Journal of the D.I. Mendeleeva All-Union Chemical Society. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.5- 1960- Volume(issue)/page/year: 19,186,1974 *** 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 5 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 (Gen Indu):8H TWA 5 mg(Mo)/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 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 (Construc):8H TWA 5 mg(Mo)/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):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: 29,1915.1000,1993 OSHA PEL (Shipyard):8H TWA 5 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, total dust 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 OSHA PEL (Fed Cont):8H TWA 5 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-AUSTRALIA:TWA 5 mg(Mo)/m3 JAN 1993 OEL-BELGIUM:TWA 10 mg(Mo)/m3 JAN 1993 OEL-BELGIUM:TWA 5 mg(Mo)/m3 JAN 1993 OEL-DENMARK:TWA 10 mg(Mo)/m3 JAN 1993 OEL-DENMARK:TWA 5 mg(Mo)/m3 JAN 1993 OEL-FINLAND:TWA 5 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-GERMANY:TWA 5 mg(Mo)/m3 JAN 1993 OEL-THE NETHERLANDS:TWA 10 mg(Mo)/m3 JAN 1993 OEL-THE NETHERLANDS:TWA 5 mg(Mo)/m3 JAN 1993 OEL-THE PHILIPPINES:TWA 15 mg(Mo)/m3 JAN 1993 OEL-THE PHILIPPINES:TWA 5 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-SWITZERLAND:TWA 5 mg(Mo)/m3 JAN 1993 OEL-TURKEY:TWA 15 mg(Mo)/m3 JAN 1993 OEL-TURKEY:TWA 5 mg(Mo)/m3 JAN 1993 OEL-UNITED KINGDOM:TWA 10 mg(Mo)/m3;STEL 20 mg(Mo)/m3 JAN 1993 OEL-UNITED KINGDOM:TWA 5 mg(Mo)/m3;STEL 10 mg/m3 JAN 1993 OEL IN BULGARIA, COLOMBIA, JORDAN, KOREA check ACGIH TLV OEL IN NEW ZEALAND, SINGAPORE, VIETNAM check ACGIH TLV

Safety Information

Personal Protective Equipmentdust mask type N95 (US);Eyeshields;Gloves
Hazard CodesXn
Risk PhrasesR20/21/22
Safety Phrases26-36
RIDADRNONH for all modes of transport
WGK Germany1
RTECSQA4688000
HS Code2825700000

Customs

HS Code2825700000

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Synonyms

molybdenum dioxide
MoO2
EINECS 242-637-9
molybdenum oxide
Molybdenum, dioxo-
Molybdenum(IV) oxide
MFCD00014223
Dioxomolybdenum
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