PHOSPHORUS ACID CRYSTALS Extra Pure

Phosphonic acid

Article No.
5256D
Grade
Extra Pure
Purity
98%
CAS No.
13598-36-2
Molecular Formula
H3PO3
Molecular Weight
82.00
H.S. Code
2811.1990
Shelf Life
60 Months
MSDS
 

 

Physical Properties

Physical state at 20 °C
Solid
Colour
Colorless crystals
Odour
Odorless
pH value
1
Melting point/ Freezing point [°C]
73°C
Boiling point [°C]
200°C
Vapour pressure [20°C]
< 1 hPa at 20 °C
Density [g/cm3]
1.651
Solubility in water [% weight]
Soluble in water

Packings

  • 1PW1200400

    500 g (00500)

 

Specifications

Appearance Colorless hygroscopic crystals
Assay Min 98%
Assay (as H3PO4) Max 1%
Heavy metal (as Pb) Max 0.002%

Safety Information and Hazard Symbols

Corrosion Exclamation Mark
Symbol: GHS05, GHS07
Signal Word: Danger
UN No.: 2834
IMCO Class No.: 8
Packing Group: III
Hazardous Statement: H302-H314
Precaution Statement: P280-P305 + P351 + P338-P310
Revision Date : 13-May-2015
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