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OXALIC ACID DIHYDRATE 99.5% AR/ACS

OXALIC ACID DIHYDRATE 99.5% AR/ACS

OXALIC ACID DIHYDRATE 99.5% AR/ACS

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Description

Ethanedioic acid
Article No. 05074 Grade AR/ACS
Purity 99.5% CAS No. 6153-56-6
Molecular Formula C2H2O4.2H2O Molecular Weight 126.07
H.S. Code 2917.1110 Shelf Life 60 Months
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Physical Properties
Physical state at 20 °C Solid Colour Colorless crystalline
Odour Odorless pH value 1.3
Melting point/ Freezing point [°C] 189.5 °C Boiling point [°C] 157 °C
Vapour pressure [20°C] < 0.01 hPa at 20 °C Vapour density 4.4
Density [g/cm3] 1.9 Solubility in water [% weight] 1g/7ml of water

Specifications
Appearance White crystalline powder
Assay Min 99.5%
Insoluble matter Max 0.005%
Chloride (Cl) Max 0.0005%
Sulphate (SO4) Max 0.005%
Total nitrogen (N) Max 0.001%
Reaction against H2SO4 Passes test
Heavy metal (as Pb) Max 0.0005%
Calcium (Ca) Max 0.001%
Iron (Fe) Max 0.0002%
Residue on ignition (at 800°C) Max 0.01%

Packings
500 g 00500

Safety Information
Symbol: GHS05, GHS07
Signal Word: Danger
UN No.: 3261
IMCO Class No.: 8
Packing Group: III
Hazardous Statement: H302+H312-H314
Precaution Statement: P264-P280-P301+P312-P302+P352+P312-P305+P351+P338-P362+P364

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