DL-MALIC ACID 99% Extra Pure

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Description

(±)-2-Hydroxysuccinic acid, DL-Hydroxybutanedioic acid

Article No. 4491D Grade Extra Pure
Purity 99% CAS No. 617-48-1
Molecular Formula C4H6O5 Molecular Weight 134.09
H.S. Code 2918.1990 Shelf Life 60 Months
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Physical Properties

Physical state at 20 °C Solid Colour White crystalline
Odour Odorless Melting point/ Freezing point [°C] 129 – 133 °C
Auto-ignition temperature [°C] 340 °C Vapour pressure [20°C] < 0.1 hPa at 20 °C
Density [g/cm3] 1.6 Solubility in water [% weight] Soluble in water

Specifications

Appearance White or almost white crystalline powder
Assay Min 99%
Melting point 129 – 132 deg C
Sulphated ash Max 0.1%
Chloride (HCl) Max 0.2%
Fumaric acid Max 2%

Packings

500 g 00500
25 Kg 0025K

Safety Information

Symbol: GHS05, GHS07
Signal Word: Danger
Hazardous Statement: H302-H315-H318-H335
Precaution Statement: P261-P280-P305 + P351 + P338

 

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