Barium chromate

Product Name: Barium chromate
CAS No.: 10294-40-3
Chemical Name: Barium chromate
Synonyms: Lemon yellow;ci77103;c.i.77103;C.I. 77103;lemonchrome;lemonyellow;Lemon chrome;barytayellow;Baryta yellow;Barium cromate
CBNumber: CB4674975
Molecular Formula: BaCrO4
Formula Weight: 253.3207
MOL File: 10294-40-3.mol

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Barium chromate Property

Melting point:: 210 °C (dec.) (lit.)
Density: 4.5 g/mL at 25 °C (lit.)
solubility: reacts with acid solutions
form: Powder
Specific Gravity: 4.5
color: Yellow
Water Solubility: Insoluble in water. Soluble in strong acids.
Merck: 14,972
Solubility Product Constant (Ksp): pKsp: 9.93
Exposure limits: OSHA: Ceiling 0.1 mg/m3
NIOSH: IDLH 15 mg/m3; TWA 0.0002 mg/m3
Stability:: Stable. Oxidizer. May react vigorously with reducing agents.
InChIKey: QFFVPLLCYGOFPU-UHFFFAOYSA-N
CAS DataBase Reference: 10294-40-3(CAS DataBase Reference)
NIST Chemistry Reference: barium chromate(VI)(10294-40-3)
EPA Substance Registry System: Barium chromate (10294-40-3)

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Safety

Hazard Codes: O,T,N,Xn
Risk Statements: 49-8-20/22-43-50/53
Safety Statements: 53-36/37-45-60-61-28
RIDADR: UN 1479 5.1/PG 2
WGK Germany: 3
RTECS: CQ8760000
TSCA: Yes
HazardClass: 5.1
PackingGroup: III
Hazardous Substances Data: 10294-40-3(Hazardous Substances Data)
Toxicity: sce-ham:ovr 100 mg/L MUREAV 156,219,85

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Danger

Hazard statements

H272May intensify fire; oxidizer

H350May cause cancer

Precautionary statements

P201Obtain special instructions before use.

P202Do not handle until all safety precautions have been read and understood.

P210Keep away from heat/sparks/open flames/hot surfaces. — No smoking.

P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.

P308+P313IF exposed or concerned: Get medical advice/attention.

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 401056
Product name: Barium chromate
Purity: ≥98%
Packaging: 250g
Price: $87.2
Updated: 2024/03/01

Sigma-Aldrich

Product number: 401056
Product name: Barium chromate
Purity: ≥98%
Packaging: 1kg
Price: $289
Updated: 2024/03/01

Alfa Aesar

Product number: 011124
Product name: Barium chromate, Puratronic?, 99.995% (metals basis)
Packaging: 5g
Price: $48.65
Updated: 2024/03/01

Alfa Aesar

Product number: 011124
Product name: Barium chromate, Puratronic?, 99.995% (metals basis)
Packaging: 25g
Price: $214
Updated: 2023/06/20

Sigma-Aldrich

Product number: 573906
Product name: Barium chromate
Purity: 99.999% trace metals basis
Packaging: 5g
Price: $58.4
Updated: 2023/06/20

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Barium chromate Chemical Properties,Usage,Production

Chemical Properties

Barium chromate is a heavy, yellow powder(s); rhomb, monoclinic; prepared from BaCl2 and Na2CrO4 solutions, followed by filtering resulting precipitate; used in safety matches, as a corrosion inhibitor.[MER06] [HAW93]

Physical properties

Yellow orthorhombic crystal; density 4.50 g/cm³; darkens on heating; insoluble in water and organic solvents; dissolves in mineral acid with decomposition.

Uses

Barium chromate has been found to be useful in many capacities. It is an oxidizing agent, making it useful as a burn rate modifier in pyrotechnic compositions. It is especially useful in delay compositions such as delay fuses. Barium chromate is used as a pigment, oxidizing agent, colorant in glass, and sulfate scavenger in chromium electroplating baths, ceramics, and porcelain. It acts as a corrosion inhibitor in jointing pastes and metal primers. Further, it is used in fuses, safety matches, ignition control devices and high-temperature batteries. In addition to this, it is used as a carrier for the chromium ions and useful as a burn rate modifier in pyrotechnic compositions. It is involved as a catalyst in the alkane dehydration reaction.

Application

Barium chromate is an oxidizing chemical compound composed of the elements barium and chromium. It is a pigment almost entirely in anticorrosion jointing pastes to prevent electro-chemical corrosion at junctions of dissimilar metals; some use in artists' colors and in coloring glass, ceramics, porcelain. Also used in metal primers, pyrotechnic compositions.

Preparation

Interaction of barium chloride and sodium chromate. The precipitate is washed, filtered and dried.
BaCl2+Na2CrO4→BaCrO4↓+2NaCl

Hazard

Confirmed carcinogen.

Safety Profile

Confirmed human carcinogen. A poison. Mutation data reported. Reacts vigorously with reducing materials. See also BARIUM COMPOUNDS (soluble) and CHROMIUM COMPOUNDS. Used in pyrotechnics and as an explosive initiator.

Barium chromate Preparation Products And Raw materials

Raw materials

Barium hydroxide octahydrate Sodium dichromate dihydrate Barium hydroxide Potassium dichromate Zinc chromate Barium carbonate powder Filter press Barium chloride Barium sulfate

Preparation Products

Barium sulfate

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View Lastest Price from Barium chromate manufacturers

Hebei Weibang Biotechnology Co., Ltd

Product: Barium chromate 10294-40-3
Price: US $0.00-0.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 500000kg
Release date: 2024-10-31

Hebei Yanxi Chemical Co., Ltd.

Product: Barium chromate 10294-40-3
Price: US $65.00-30.00/kg
Min. Order: 1kg
Purity: 0.99
Supply Ability: 20 tons
Release date: 2023-10-07

Career Henan Chemical Co

Product: Barium chromate 10294-40-3
Price: US $1.00/KG
Min. Order: 1KG
Purity: 98%
Supply Ability: 1kg，5kg，100kg
Release date: 2019-07-10

10294-40-3, Barium chromateRelated Search:

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BaCrO4BaCrO4K2CrO4