HYPOPHOSPHORUS ACID

HYPOPHOSPHORUS ACID AR

Phosphinic acid

Article No.

04154

Grade

Purity

50%

CAS No.

6303-21-5

Molecular Formula

HPH₂O₂

Molecular Weight

66.00

H.S. Code

2811.1920

Shelf Life

60 Months

MSDS

Certificate of Analysis (COAs)

Physical Properties

Physical state at 20 °C

Liquid

Colour

Clear Colorless

Odour

Odorless

pH value

Melting point/ Freezing point [°C]

-25°C

Decomposition point [°C]

108°C

Boiling point [°C]

108°C

Vapour pressure [20°C]

< 17 mm Hg 20 °C

Vapour pressure mm/Hg

< 17 mm Hg 20 °C

Density [g/cm3]

1.206

Solubility in water [% weight]

Soluble in water

Packings

500 ml (00500)
2500 ml (02500)
2500 ml (02500)

Specifications

Appearance	A clear, colourless liquid
Assay (alkalimetric)	Min 49.5%
Phosphorous acid & Phosphoric acid (as H3PO3)	Max 2%
Chloride (Cl)	Max 0.015%
Total sulphur (as SO4)	Max 0.02%
Arsenic (As)	Max 0.0005%
Barium (Ba)	Max 0.005%
Calcium (Ca)	Max 0.005%
Cadmium (Cd)	Max 0.0001%
Copper (Cu)	Max 0.0005%
Iron (Fe)	Max 0.005%
Potassium (K)	Max 0.001%
Manganese (Mn)	Max 0.0005%
Sodium (Na)	Max 0.01%
Nickel (Ni)	Max 0.0005%
Lead (Pb)	Max 0.0005%
Zinc (Zn)	Max 0.0001%

Safety Information and Hazard Symbols

Symbol: GHS05
Signal Word: Danger
UN No.: 3264
IMCO Class No.: 8
Packing Group: II
Hazardous Statement: H314
Precaution Statement: P280-P305 + P351 + P338-P310

Revision Date : 10-Sep-2014

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