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Copper(II) oxalate

Copper(II) oxalate structure

CAS No:
814-91-5
Formula:
C2CuO4
Chemical Name:
Copper(II) oxalate
Synonyms:
Copper,[ethanedioato(2-)-κO1,κO2]-;Oxalic acid,copper(2+) salt (1:1);Copper,[ethanedioato(2-)-O,O′]-;Copper oxalate (CuC2O4);[Ethanedioato(2-)-κO1,κO2]copper;Cupric oxalate;Copper(II) oxalate;Cupric oxalate (1:1);Copper(2+) oxalate;Copper(2+) oxalate (1:1);Copper oxalate (1:1);Copper oxalate;10345-26-3;76494-22-9;203052-44-2;104026-44-0;7057-72-9
Categories:
Organic Chemistry > Carboxylic Acids and Derivatives

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Description

Cupric oxalate is a bluish-white, odorless powder.

Copper(II) oxalate Basic Attributes

Molecular Weight：

151.57

Exact Mass：

152.92500

EC Number：

212-411-4

HScode：

2917119000

Characteristics

PSA：

74.60000

Appearance：

blue Powder

Density：

greater than 1 at 68° F (USCG, 1999)

Melting Point：

anhydrous decomposes at ~300 to copper oxide [HAW93]

Boiling Point：

365.1ºC at 760 mmHg

Flash Point：

188.8ºC

Water Solubility：

H2O: insoluble

Storage Conditions：

... MATERIALS WHICH ARE TOXIC AS STORED OR WHICH CAN DECOMP INTO TOXIC COMPONENTS ... SHOULD BE STORED IN A COOL, WELL-VENTILATED PLACE, OUT OF DIRECT RAYS OF THE SUN, AWAY FROM AREAS OF HIGH FIRE HAZARD, & SHOULD BE PERIODICALLY INSPECTED ... INCOMPATIBLE MATERIALS SHOULD BE ISOLATED FROM EACH OTHER. /OXALATES/

Flammability characteristics：

Combustible, the fire emits spicy and irritating smoke containing copper oxide

Explosive limit：

When heated slightly, explodes.

Safety Information

Packing level：

III

Hazard category：

6.1(b)

Transport codes：

UN 2449

hazard class code：

20/21/22

safety instructions：

Storage features：

Warehouse ventilated at low temperature and dry; prevent open flame, friction, sparks, storage and transportation separately from oxidant

Explosive characteristics：

Explosive in the fire

Precautionary statement(s)：

P264, P270, P280, P301+P312, P302+P352, P312, P322, P330, P363, P501

Hazard Statements：

H302+H312

Copper(II) oxalate Use and Manufacturing

As catalyst for organic reactions; as stabilizer for acetylated polyformaldehyde; in anticaries compositions; in seed treatments to repel birds and rodents.