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1304-28-5

1304-28-5 structure
1304-28-5 structure

Name Barium oxide
Synonyms Oxobarium
Barium Oxide
EINECS 215-127-9
Barium, oxo-
MFCD00003453
Density 5.72 g/mL at 25ºC(lit.)
Boiling Point 2000ºC
Melting Point 1920ºC
Molecular Formula BaO
Molecular Weight 153.326
Exact Mass 153.900162
PSA 17.07000
Index of Refraction 1.98
Stability Stable. Incompatible with strong acids, water. Protect from moisture.

CHEMICAL IDENTIFICATION

RTECS NUMBER :
CQ9800000
CHEMICAL NAME :
Barium oxide
CAS REGISTRY NUMBER :
1304-28-5
LAST UPDATED :
199712
DATA ITEMS CITED :
28
MOLECULAR FORMULA :
Ba-O
MOLECULAR WEIGHT :
153.34
WISWESSER LINE NOTATION :
BA O

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
146 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
CUTOEX Current Toxicology. (Nova Science Publishers, Inc., 6080 Jericho Turnpike, Suite 207, Commack, NY 11725) V.1 1993- Volume(issue)/page/year: 1,39,1993
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
50 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 0.5 mg(Ba)/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-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 *** U.S. STANDARDS AND REGULATIONS *** MSHA STANDARD-air:TWA 0.5 mg(Ba)/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: 3,21,1971 OSHA PEL (Gen Indu):8H TWA 0.5 mg(Ba)/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 0.5 mg(Ba)/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 0.5 mg(Ba)/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 0.5 mg(Ba)/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 0.5 mg(Ba)/m3 JAN 1993 OEL-AUSTRIA:TWA 0.5 mg(Ba)/m3 JAN 1993 OEL-BELGIUM:TWA 0.5 mg(Ba)/m3 JAN 1993 OEL-DENMARK:TWA 0.5 mg(Ba)/m3 JAN 1993 OEL-FINLAND:TWA 0.5 mg(Ba)/m3 JAN 1993 OEL-GERMANY:TWA 0.5 mg(Ba)/m3 (total dust) JAN 1993 OEL-HUNGARY:STEL 0.5 mg(Ba)/m3 JAN 1993 OEL-THE NETHERLANDS:TWA 0.5 mg(Ba)/m3 JAN 1993 OEL-THE PHILIPPINES:TWA 0.5 mg(Ba)/m3 JAN 1993 OEL-POLAND:TWA 0.5 mg(Ba)/m3;STEL 1.5 mg(Ba)/m3 JAN 1993 OEL-RUSSIA:STEL 6 mg/m3 JAN 1993 OEL-SWITZERLAND:TWA 0.5 mg(Ba)/m3;STEL 1 mg(Ba)/m3 JAN 1993 OEL-TURKEY:TWA 0.5 mg(Ba)/m3 JAN 1993 OEL-UNITED KINGDOM:TWA 0.5 mg(Ba)/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 OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 80341 No. of Facilities: 218 (estimated) No. of Industries: 13 No. of Occupations: 16 No. of Employees: 2983 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 80341 No. of Facilities: 913 (estimated) No. of Industries: 22 No. of Occupations: 28 No. of Employees: 34535 (estimated) No. of Female Employees: 14944 (estimated)
Symbol GHS05 GHS06
GHS05, GHS06
Signal Word Danger
Hazard Statements H301-H314-H332
Precautionary Statements Missing Phrase - N15.00950417-P260-P280-P303 + P361 + P353-P304 + P340 + P310-P305 + P351 + P338
Personal Protective Equipment Eyeshields;Faceshields;full-face particle respirator type N100 (US);Gloves;respirator cartridge type N100 (US);type P1 (EN143) respirator filter;type P3 (EN 143) respirator cartridges
Hazard Codes T: Toxic;
Risk Phrases R20;R25;R34
Safety Phrases 26-36/37/39-45
RIDADR UN 1884
WGK Germany 1
RTECS CQ9800000
Packaging Group III
Hazard Class 6.1
HS Code 2816400000
HS Code 2816400000