meta-PHOSPHORIC ACID

meta-PHOSPHORIC ACID AR

Glacial sticks.
Metaphosphoric acid

Article No.

05256

Grade

Purity

56-60%

CAS No.

37267-86-0

Molecular Formula

(HPO₃)n

Molecular Weight

H.S. Code

2809.2010

Shelf Life

60 Months

MSDS

Certificate of Analysis (COAs)

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]

Solubility in water [% weight]

Slowly soluble

Packings

100 g (00100)
500 g (00500)

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%

Safety Information and Hazard Symbols

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

Revision Date : 26-Sep-2018