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SODIUM METAPHOSPHATE

CAS No.
35270-09-8
Chemical Name:
SODIUM METAPHOSPHATE
Synonyms
ISMP;GRAHAM'S SALT;SODIUM M-PHOSPHATE;SODIUM PHOSPHATE, PH 6.8;Sodium acid metaphosphate;INSOLUBLE SODIUM METAPHOSPHATE
CBNumber:
CB1715462
Molecular Formula:
NaO3P
Molecular Weight:
101.96
MDL Number:
MFCD00011490
MOL File:
35270-09-8.mol
Last updated:2024-07-05 16:14:14

SODIUM METAPHOSPHATE Properties

PH pH(50g/l, 25℃) 5.7~6.3
CAS DataBase Reference 35270-09-8

SODIUM METAPHOSPHATE Chemical Properties,Uses,Production

Chemical Properties

Extremely hygroscopic; becomes moist and sticky even after standing in the air for a short time. Dissolves slowly in cold water but is quite soluble in warm water between 30 and 50°C. According to Bronnikov, solubility (20°C) 973.2 g./liter; (80°C) 1744 g./liter. Its solutions give precipitates with Mg, Ca, Ba, Pb and Ag salts. These precipitates are soluble in an excess of the polyphosphate. Concentrated NaCl solution and alcohol flocculate the solutions, gradually forming a viscous, oily mass. No definite melting point; with careful heating, the material starts to liquefy somewhat above 600°C.

SODIUM METAPHOSPHATE Preparation Products And Raw materials

Raw materials

Preparation Products

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SODIUM PHOSPHATE, PH 6.8 SODIUM M-PHOSPHATE ISMP INSOLUBLE SODIUM METAPHOSPHATE GRAHAM'S SALT Sodium acid metaphosphate 35270-09-8 NaPO3nn3