Packings
03891
Article No. 03891
Purity 98%
Molecular Formula C4H4O4
H.S. Code 2917.1950
Grade For Synthesis
CAS No. 110-17-8
Molecular Weight 116.07
Shelf Life 60 Months

Physical Properties

Specifications

Safety Information and Hazard Symbols

Symbol:


Physical Properties

Physical state at 20 °C Solid Colour White crystalline
Odour Odorless pH value 2.1 at 4.9 g/l at 20 °C
Melting point/ Freezing point [°C] 298 - 300 °C Auto-ignition temperature [°C] 375 °C
Flash point [°C] 230 °C Boiling point [°C] 290 °C
Vapour pressure mm/Hg 2.2 mm Hg at 165 °C Density [g/cm3] 1.635 g/cm3 at 20 °C
Solubility in water [% weight] 4.9 g/l at 20 °C Partition coefficient Log Pow octanol / water at 20°C 0.3
Explosion limits - upper [%] 40% Explosion limits -lower [%] 3%

Specifications

Appearance White to off-white crystalline powder Assay (By HPLC; on anhydrous basis) 98.0% –102.0%
Identification A (IR spectrum) Conforms Identification 'B' Conforms
Heavy metal (as Pb) Max 0.001% Maleic acid Max 0.1%
Malic acid Max 1.5% Residue on ignition Max 0.1%
Water (by KF) Max 0.5%

Safety Information and Hazard Symbols

Exclamation Mark

Symbol: GHS07
Signal Word: Warning
Hazardous Statement: H319
Precaution Statement: P264-P280-P305+P351+P338-P337+P313