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OXALIC ACID DIHYDRATE AR/ACS

Ethanedioic acid

COAs

Packings

500 g (00500)

1PW1200500
Print friendly version
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

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%

Safety Information and Hazard Symbols

Corrosion Exclamation Mark
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
Revision Date: 30-Jan-2024

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