7440-39-3

7440-39-3 structure

Name: barium
Chemical Name: barium(0)
CAS Number: 7440-39-3
Molecular Formula: Ba
Molecular Weight: 137.32700
Catalog: Inorganic chemical industry Simple substance
Create Date: 2018-02-07 08:00:00
Modify Date: 2026-07-01 13:12:22

Name	barium(0)
Synonyms	BIUM RODS DIAMETER ABOUT 2 CM BIUM ISTANDD TRACEABLE TO SRM FRO Bium rod, 22mm (0.9in) dia x 450mm (17.7in), , Sr barium powder Biumpieces,2.5cm(1in)&down,Sr= BIUM A.A STANDD SOLUTION BIUM, DISTILLED, DENDRITIC PIECES, 99 bio BiuM rod, diaM. ~2 cM, >= trace Metals basis Bium, dendritic pieces in mineral oil BIUM, ANULES, UNDER OIL Bium, Oil based standd solution, Speure(R), Ba 1000μg/g Bium, plasma standd solution, Speure Bium, rods, ~2cm diam baryum UNII-24GP945V5T BIUM ROD ( SR-0.) BiuM pieces, MM (in). (Metals basis) Bium, Oil based standd solution, Speure(R), Ba 5000μg/g BiuM ingot,MM barium strontium-containing oxide BIUM PIECES Biumrod,22mm(0.9in)dia,Sr= EINECS 231-149-1 BIUM PIECES (DENDRITIC), 3N Bium rod, 22mm (0.9 in.) dia Bium Metal (dendritic) Bium, AAS standd solution, Speure(R), Ba 1000μg/ml Bium, rod 22mm diameter Barium BIUM, DENDRITIC PIECES Biumrod(,Sr-) Bium dendritic pieces, purified by distillation, trace Bium Rod, 22mm Dia Bium element BIUM ROD , (SR) byum (french) Bium solid, crystalline dendritic, ampuled under gon, trace BIUM DISTILLED DENDRITIC PIECES & Bium, plasma standd solution, Speure(R), Ba 10,000μg/ml BIUM, ROD Bium rod, 22mm dia., trace , Sr Bium, plasma standd solution, Speure(R), Ba 1000μg/ml BIUM STICKS UNDER PAFFIN OIL BIUM PIECES DENDRITIC BIUM DENDRITIC PIECES IN MINERAL OIL BiuM solution bario bio (spanish) BIUM IN LIQUID PAFFIN BIUM STANDD SOLUTION ML BA Tget MFCD00134031 Bium compounds, soluble (as Ba) BiuM (trace Metal basis), dendritic pieces, under gon BiuM beads, MM pticle size, trace Metals basis Bium atomic absorption standd solution Bium, rods, ca. 2 cm diam. in mineral oil Bium pieces, 1 cm, trace Bium, rods, ca. 2 cm diam BiuM rods, approx. 2 cM diaMeter, in Mineral oil

Density	3.6 g/mL at 25 °C(lit.)
Boiling Point	1640 °C(lit.)
Melting Point	725 °C(lit.)
Molecular Formula	Ba
Molecular Weight	137.32700
Exact Mass	137.90500
Appearance	rod
Stability	Stability Reacts vigorously or violently with acids, water, tetrachloromethane, small halogenated hydrocarbons. Should be stored under an inert material such as petroleum ether to exclude air. Flammable.

CHEMICAL IDENTIFICATION

RTECS NUMBER :: CQ8370000

CHEMICAL NAME :: Barium

CAS REGISTRY NUMBER :: 7440-39-3

LAST UPDATED :: 199712

DATA ITEMS CITED :: 32

MOLECULAR FORMULA :: Ba

MOLECULAR WEIGHT :: 137.34

WISWESSER LINE NOTATION :: .BA

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 26622 mg/kg/69W-C

REFERENCE :: JTEHD6 Journal of Toxicology and Environmental Health. (Hemisphere Pub., 1025 Vermont Ave., NW, Washington, DC 20005) V.1- 1975/76- Volume(issue)/page/year: 28,373,1989 *** REVIEWS *** 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 ACGIH TLV-TWA 0.5 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 *** MSHA STANDARD-air:TWA 0.5 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: 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/m3 JAN 1993 OEL-AUSTRIA:TWA 0.5 mg/m3 JAN 1993 OEL-BELGIUM:TWA 0.5 mg/m3 JAN 1993 OEL-DENMARK:TWA 0.5 mg/m3 JAN 1993 OEL-FINLAND:TWA 0.5 mg/m3 JAN 1993 OEL-GERMANY:TWA 0.5 mg/m3 (total dust) JAN 1993 OEL-HUNGARY:STEL 0.5 mg/m3 JAN 1993 OEL-THE NETHERLANDS:TWA 0.5 mg/m3 JAN 1993 OEL-THE PHILIPPINES:TWA 0.5 mg/m3 JAN 1993 OEL-POLAND:TWA 0.5 mg/m3;STEL 1.5 mg/m3 JAN 1993 OEL-SWITZERLAND:TWA 0.5 mg/m3;STEL 1 mg/m3 JAN 1993 OEL-TURKEY:TWA 0.5 mg/m3 JAN 1993 OEL-UNITED KINGDOM:TWA 0.5 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 BARIUM, soluble compounds-air:10H TWA 0.5 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 - 08625 No. of Facilities: 657 (estimated) No. of Industries: 13 No. of Occupations: 31 No. of Employees: 6101 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 08625 No. of Facilities: 901 (estimated) No. of Industries: 15 No. of Occupations: 64 No. of Employees: 10394 (estimated) No. of Female Employees: 3598 (estimated)

Symbol	GHS02, GHS07
Signal Word	Danger
Hazard Statements	H261-H315-H319-H335
Precautionary Statements	P231 + P232-P305 + P351 + P338-P335 + P334-P370 + P378-P402 + P404
Personal Protective Equipment	Eyeshields;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	C,Xi,F
Risk Phrases	R25
Safety Phrases	S23-S26-S36-S36/37/39-S45-S43-S36/37-S16
RIDADR	UN 3264 8/PG 3
WGK Germany	3
RTECS	CQ8370000
Packaging Group	III
Hazard Class	8

1304-29-6

7440-39-3

Literature: Ba: SVol., 10, page 169 - 172 FR868299 , ; C. I, , p. 2049

336623-48-4

7440-39-3

Literature: Chemical Physics Letters, , vol. 352, # 5-6 p. 369 - 374

7440-32-6

7440-39-3

Literature: Physical Review, , vol. 53, p. 935 - 935 Ti: MVol., 3.5, page 189 - 199

1304-29-6

7429-90-5

7440-39-3

Literature: Mem. Proc. - Manchester Lit. Philos. Soc., , vol. 46, # 4 p. 0 Ba: MVol., 2.1, page 32 - 37

Precursor 4
1304-29-6 336623-48-4 7440-32-6 7429-90-5
DownStream 9
12009-08-4 81514-89-8 17194-00-2 595-90-4
639-58-7 7440-23-5 2914-19-4 1304-29-6
40673-43-6

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