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Lab Chemicals
Acids-Inorganic
meta-PHOSPHORIC ACID
meta-PHOSPHORIC ACID AR
Glacial sticks.
Metaphosphoric acid
Article No.
05256
Grade
AR
Purity
56-60%
CAS No.
37267-86-0
Molecular Formula
(HPO
3
)n
Molecular Weight
H.S. Code
2809.2010
Shelf Life
60 Months
MSDS
DE
EN
FR
KO
PT
ES
TH
TR
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]
2
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