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meta-PHOSPHORIC ACID AR

meta-PHOSPHORIC ACID AR

meta-PHOSPHORIC ACID AR

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Description

Glacial sticks.
Metaphosphoric acid
Article No. 05256 Grade AR
Purity 56-60% CAS No. 37267-86-0
Molecular Formula (HPO3)n Molecular Weight
H.S. Code 2809.2010 Shelf Life 60 Months

Physical Properties
Physical state at 20 °C Solid Colour White stick
Odour Odorless Melting point/ Freezing point [°C] 200 °C
Boiling point [°C] 600 °C Vapour pressure [20°C] 0.04 hPa at 20 °C
Density [g/cm3] 2 Solubility in water [% weight] Slowly soluble

Specifications
Appearance White glacial sticks.
Assay (HPO3) 40.0 – 50.0%
Stabilizer (NaPO3) 50.0 – 60.0%
Chloride (Cl) Max 0.001%
Nitrate (NO3) Max 0.0005%
Reducing substances (as H3PO3) Max 0.01%
Arsenic (As) Max 0.0001%
Lead (Pb) Max 0.001%
Cadmium (Cd) Max 0.001%
Iron (Fe) Max 0.001%
Cobalt (Co) Max 0.0015%
Copper (Cu) Max 0.001%
Manganese (Mn) Max 0.0005%
Nickel (Ni) Max 0.001%
Zinc (Zn) Max 0.001%

Packings
100 g 00100
500 g 00500

Safety Information
Symbol: GHS05
Signal Word: Danger
UN No.: 3453
IMCO Class No.: 8
Packing Group: III
Hazardous Statement: H314
Precaution Statement: P280-P305 + P351 + P338-P310

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