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| CAS No.: | 513-77-9 |
|---|---|
| Name: | Barium carbonate |
| Molecular Structure: | |
|
|
|
| Formula: | BaCO3 |
| Molecular Weight: | 197.35 |
| Synonyms: | Pigment White 10;Carbonic acid barium salt (1:1);Carbonic acid, barium salt;Barium monocarbonate;barium(+2) cation carbonate;EPA Pesticide Chemical Code 007501;pigments ;; see also Carbonic acid,compounds,barium salt (1:1);Methane,tetrafluoro-;Carbonic acid, barium salt (1:1);Barium Carbonate Granular;Barium Carbonate, Reagent;Barium Carbonate (Granular);Barium Carbonate (Powder);Barium Carbonate,High purity;Barium carbonate (1:1);Barium Carbonic;Barium carbonate, high purity; |
| EINECS: | 208-167-3 |
| Density: | 4.43 |
| Melting Point: | 811 °C |
| Boiling Point: | 333.6 °C at 760 mmHg |
| Flash Point: | 169.8 °C |
| Solubility: | 0.002 g/100 mL (20 °C) in water |
| Appearance: | White powder |
| Hazard Symbols: |
 Xn
|
| Risk Codes: | 22 |
| Safety: | 24/25 |
| Transport Information: | UN 1564 |
| PSA: | 63.19000 |
| LogP: | -2.44700 |
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Chemistry
Molecular Structure of Barium Carbonate (CAS NO.513-77-9):
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IUPAC Name: barium(2+) carbonate
Empirical Formula: CBaO3
Molecular Weight: 197.3359
CAS Registry Number: 513-77-9
EINECS: 208-167-3
Flash Point: 169.8 °C
Enthalpy of Vaporization: 63.37 kJ/mol
Boiling Point: 333.6 °C at 760 mmHg
Vapour Pressure: 2.58E-05 mmHg at 25°C
Melting point: 811 °C
Water solubility: 0.002 g/100 mL (20 °C)
Storage temp: Store at RT.
Stability: Stable. Incompatible with strong acids.
InChI
InChI=1/CH2O3.Ba/c2-1(3)4;/h(H2,2,3,4);/q;+2/p-2
Smiles
C(=O)([O-])[O-].[Ba+2]
Product Categories: Industrial/Fine Chemicals; Inorganic & organic chemicals; Inorganic Chemicals;Inorganics; Barium SaltsChemical Synthesis; Metal and Ceramic Science; Salts; ACS GradeChemical Synthesis; Essential Chemicals; Inorganic Bases; Routine Reagents; Synthetic Reagents; A-B, Puriss p.a. ACSChemical Synthesis; Analytical Reagents for General Use; Puriss p.a. ACS
Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| cat | LDLo | oral | 4mg/kg (4mg/kg) | Yakkyoku. Pharmacy. Vol. 28, Pg. 329, 1977. | |
| dog | LDLo | oral | 400mg/kg (400mg/kg) | Pesticide Chemicals Official Compendium, Association of the American Pesticide Control Officials, Inc., 1966. Vol. -, Pg. 95, 1966. | |
| human | LDLo | oral | 17mg/kg (17mg/kg) | Yakkyoku. Pharmacy. Vol. 28, Pg. 329, 1977. | |
| human | TDLo | oral | 11mg/kg (11mg/kg) | GASTROINTESTINAL: ULCERATION OR BLEEDING FROM STOMACH | Yakkyoku. Pharmacy. Vol. 31, Pg. 1247, 1980. |
| human | TDLo | oral | 29mg/kg (29mg/kg) | PERIPHERAL NERVE AND SENSATION: FLACCID PARALYSIS WITHOUT ANESTHESIA (USUALLY NEUROMUSCULAR BLOCKAGE) BEHAVIORAL: MUSCLE WEAKNESS PERIPHERAL NERVE AND SENSATION: PARESTHESIS | Israel Journal of Medical Sciences. Vol. 3, Pg. 565, 1967. |
| man | LDLo | oral | 800mg/kg (800mg/kg) | BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD CARDIAC: CHANGE IN RATE CARDIAC: OTHER CHANGES | Yakkyoku. Pharmacy. Vol. 28, Pg. 329, 1977. |
| mouse | LD50 | intraperitoneal | 50mg/kg (50mg/kg) | "Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects, GKNT, 1982Vol. -, Pg. 23, 1982. | |
| mouse | LD50 | oral | 200mg/kg (200mg/kg) | "Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects, GKNT, 1982Vol. -, Pg. 23, 1982. | |
| rat | LD50 | oral | 418mg/kg (418mg/kg) | "Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects, GKNT, 1982Vol. -, Pg. 23, 1982. | |
| rat | LDLo | intravenous | 20mg/kg (20mg/kg) | Environmental Quality and Safety, Supplement. Vol. 1, Pg. 1, 1975. | |
| women | TDLo | oral | 800mg/kg (800mg/kg) | GASTROINTESTINAL: "HYPERMOTILITY, DIARRHEA" GASTROINTESTINAL: NAUSEA OR VOMITING LUNGS, THORAX, OR RESPIRATION: OTHER CHANGES | British Medical Journal. Vol. 289, Pg. 882, 1984. |
Consensus Reports
Reported in EPA TSCA Inventory. Barium and its compounds are on the Community Right-To-Know List.
Safety Profile
Poison by ingestion, intravenous, and intraperitoneal routes. Human systemic effects by ingestion: stomach ulcers, muscle weakness, paresthesias and paralysis, hypermotility, diarrhea, nausea or vomiting, lung changes. Experimental reproductive effects. Incompatible with BrF3 and 2-furanpercarboxylic acid. See also BARIUM COMPOUNDS (soluble).
Hazard Symbols:
Xn
Risk Codes: R22
R22:Harmful if swallowed.
Safety Description : S24/25
S24/25:Avoid contact with skin and eyes.
RIDADR: UN 1564 6.1/PG 3
RTECS: CQ8600000
HazardClass: 6.1(b)
PackingGroup: III
Standards and Recommendations
OSHA PEL: TWA 0.5 mg(Ba)/m3
ACGIH TLV: TWA 0.5 mg(Ba)/m3; Not Classifiable as a Human Carcinogen
DFG MAK: 0.5 mg(Ba)/m3
Specification
Barium Carbonate , with CAS number of 513-77-9, can be called (Carbonic acid barium salt ; barium carbonate ; barium (ii) carbonate (gamma-type) ; witherite ; bariumcarbonate(1:1) ; bariumcarbonate(baco3) ; bariummonocarbonate ; bf1(salt) . The applications of Barium Carbonate (CAS NO.513-77-9) are varied and include use as oil-drilling mud. Barium carbonate is sometimes employed as a neutralizing agent for sulfuric acid and, because both barium carbonate and barium sulfate are insoluble, no contaminating barium ions are introduced. The foregoing application is found in the synthetic dyestuff industry.
Barium carbonate is used in the glass industry and in the brick and clay industry. When barium carbonate is added to the clay used in making bricks, it immobilizes the calcium sulfate and prevents it from migrating to the surface of the bricks and producing a whitish suiface discoloration.