Copper benzoate

Product Name: Copper benzoate
CAS No.: 533-01-7
Chemical Name: Copper benzoate
Synonyms: COPPER BENZOATE;CUPRIC BENZOATE;cupric dibenzoate;copper dibenzoate;COPPER (II) BENZOATE;Copper Benzoate Powder;Cupric benzoate monohydrate;benzoicacid,copper(2++)salt;BENZOIC ACID COPPER (II) SALT;Dibenzoic acid copper(II) salt
CBNumber: CB5718108
Molecular Formula: C14H10CuO4
Formula Weight: 305.77
MOL File: 533-01-7.mol

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Copper benzoate Property

EPA Substance Registry System: Benzoic acid, copper(2+) salt (533-01-7)

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Hazard and Precautionary Statements (GHS)

Signal word: Warning

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N-Bromosuccinimide Price

TRC

Product number: C834745
Product name: CupricBenzoateMonohydrate
Packaging: 500mg
Price: $225
Updated: 2021/12/16

Usbiological

Product number: 269500
Product name: Cupric benzoate
Packaging: 1g
Price: $340
Updated: 2021/12/16

TRC

Product number: C834745
Product name: CupricBenzoateMonohydrate
Packaging: 1g
Price: $350
Updated: 2021/12/16

Biosynth Carbosynth

Product number: FC41848
Product name: Cupric benzoate monohydrate
Packaging: 100g
Price: $300
Updated: 2021/12/16

Biosynth Carbosynth

Product number: FC41848
Product name: Cupric benzoate monohydrate
Packaging: 5G
Price: $65
Updated: 2021/12/16

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Copper benzoate Chemical Properties,Usage,Production

Description

Copper benzoate is the chemical compound with the formula Cu(C₆H₅CO₂)₂. This coordination complex is derived from the cupric ion and the conjugate base of benzoic acid. Because copper emits blue in a flame, this salt has found some use as a source of blue light in fireworks.

Chemical Properties

Blue, crystalline powder; odorless.Slightly soluble in cold water, acids, and alcohol.

Physical properties

Copper (II) benzoates exists in at least two structural forms , depending on the degree of hydration. As for copper (II) acetate , the benzoate adopts a "Chinese lantern" structure, wherein a pair of copper centers are linked by four bridging carboxylate ligands. Typically one site on each copper center is occupied by water, which can be replaced by other ligands . A hydrated form is also known, wherein each Cu (II) center is bound to four water ligands and benzoate .

Uses

Cupric benzoate monohydrate (cas# 533-01-7) is used as a catalyst in the preparation of positive resist compositions comprising sulfonium compounds as acid diffusion inhibitors for high resolution and minimal line edge roughness.

Preparation

In laboratory, copper benzoate can be made by combining aqueous solutions of potassium benzoate with copper sulfate. Copper benzoate precipitates as a pale blue solid :
2 C₆H₅COOK + CuSO₄ →Cu(C₆H₅COO)₂ + K₂SO₄
The primary use of this of this compound is in production of blue flame in fireworks. Copper benzoate made from sodium benzoate for use in fireworks may result in strong yellow dilution of the flame unless the precipitate is carefully washed to remove sodium ion (which emits brightly yello). Emission from potassium does not complicate the emission spectrum.

Purification Methods

Recrystallise it from hot water. Its solubility in EtOH/*C6H6 (90%) at 25o is 0.1%. [Crawford & Stewart J Chem Soc 228, 289 1953, Beilstein 9 H 84, 9 I 60, 9 III 376, 9 IV 280.]

Copper benzoate Preparation Products And Raw materials

Raw materials

Preparation Products

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Copper benzoate Suppliers

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533-01-7, Copper benzoateRelated Search:

COPPER(II) DIAMMONIUM CHLORIDE DIHYDRATE COPPER(II) 3,5-DIISOPROPYLSALICYLATE HYDRATE salicylic acid, copper salt o-Aminobenzoic acid copper complex Copper benzoate MONO-N-BUTYL PHTHALATE COPPER(II) SALT BENZOIC ACID COPPER(II) SALT HYDRATE bis[4-hydroxysalicylato(2-)-O1,O2]cuprate(2-) COPPER BIS-3,5-DIISOPROPYLSALICYLATE

copper dibenzoate

benzoicacid,copper(2++)salt

CUPRIC BENZOATE

COPPER BENZOATE

COPPER (II) BENZOATE

BENZOIC ACID COPPER (II) SALT

Dibenzoic acid copper(II) salt

cupric dibenzoate

Copper Benzoate Powder

Cupric benzoate monohydrate

533-01-7

C14H10CuO4

C14H10CuO4H2O