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Chromic acid (H2CrO4), copper(2+) salt (1:1)

Chromic acid (H2CrO4), copper(2+) salt (1:1) structure

CAS No:
13548-42-0
Formula:
CrH2O4.Cu
Chemical Name:
Chromic acid (H2CrO4), copper(2+) salt (1:1)
Synonyms:
Chromic acid (H2CrO4),copper(2+) salt (1:1);Copper chromate(VI) (CuCrO4);Copper chromate (CuCrO4);Copper chromate;Cupric chromate(VI);Chromium copper oxide (CrCuO4);27787-63-9

Description

reddish brown; used as a fungicide, to weatherproof textiles, in epoxy adhesives, and to preserve wood [KIR78]The neutral form is a reddish-brown crystalline solid; decomposes slowly to copper(II) chromite when heated above 400°C; insoluble in water; soluble in acids. The basic chromates are crystals having colors that vary from yellow to chocolate-brown to lilac, depending on their compositions and chromate to hydroxide molar ratios. They lose water when heated at 260°C, are insoluble in water

Chromic acid (H2CrO4), copper(2+) salt (1:1) Basic Attributes

Molecular Weight：

179.538

Exact Mass：

178.85

EC Number：

236-922-7

UNII：

3G552ZJ16K

Characteristics

PSA：

80.3

Melting Point：

decomposes at 400℃ [KIR78]

Water Solubility：

mol/L solution H2O: 0.0020 (25°C); solid phase, CuCrO4 ·H2O

Flammability characteristics：

Non-combustible; toxic chromium-containing, cuprous fumes produced in the fire

Safety Information

Storage features：

Warehouse low temperature, ventilated, dry; fire prevention; high temperature protection

Explosive characteristics：

Spontaneous combustion explosion with sulfide reaction

Precautionary statement(s)：

P201, P202, P261, P264, P270, P272, P273, P280, P281, P301+P312, P302+P352, P308+P313, P321, P330, P333+P313, P363, P391, P405, P501

Hazard Statements：

H302

GHS Classification：

|Danger|H302 (87.88%): Harmful if swallowed [Warning Acute toxicity, oral]|P201, P202, P261, P264, P270, P272, P273, P280, P281, P301+P312, P302+P352, P308+P313, P321, P330, P333+P313, P363, P391, P405, and P501|Aggregated GHS information provided by 99 companies from 3 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Chromic acid (H2CrO4), copper(2+) salt (1:1) Use and Manufacturing

Uses

It is used in wood preservation and in textile weatherproofing.

Production

< 25,000 lb

Manufacturing Info：

Chromic acid (H2CrO4), copper(2+) salt (1:1): ACTIVE

Computed Properties

Molecular Weight:179.54
Hydrogen Bond Acceptor Count:4
Exact Mass:178.849760
Monoisotopic Mass:178.849760
Topological Polar Surface Area:80.3
Heavy Atom Count:6
Complexity:62.2
Covalently-Bonded Unit Count:2
Compound Is Canonicalized:Yes

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Guide of Chromic acid (H2CrO4), copper(2+) salt (1:1)

Description
Basic Attributes
Characteristics
Safety Information
Use and Manufacturing
Computed Properties
Learn More Other Chemicals

Chromic acid (H2CrO4), copper(2+) salt (1:1)

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