Sodium metaphosphate

Sodium metaphosphate Basic information

Product Name:	Sodium metaphosphate
Synonyms:	SODIUM HEXAMETAPHOSPHAT;polymericsodiummetaphosphate;sodiummetaphosphate[napo3];sodiumphosphate[napo3];sporix;SODIUM M-PHOSPHATE;SODIUM PHOSPHATE, PH 6.8;phosphate glass practical grade
CAS:	10361-03-2
MF:	NaO3P
MW:	101.96
EINECS:	233-782-9
Product Categories:	Inorganics;INORGANIC & ORGANIC CHEMICALS
Mol File:	10361-03-2.mol

Sodium metaphosphate Chemical Properties

Melting point	600 °C
density	2.181
storage temp.	Store at +5°C to +30°C.
solubility	1000g/l
PH	5.7 (10g/l, H2O, 20℃)
CAS DataBase Reference	10361-03-2(CAS DataBase Reference)
EPA Substance Registry System	Metaphosphoric acid (HPO3), sodium salt (10361-03-2)

Safety Information

WGK Germany	1
RTECS	OY3750000
HS Code	2835 39 00
Hazardous Substances Data	10361-03-2(Hazardous Substances Data)
Toxicity	LD50 orally in Rabbit: > 2000 mg/kg

MSDS Information

Provider	Language
Metaphosphoric acid sodium salt	English

Sodium metaphosphate Usage And Synthesis

Uses	In dentifrices, polishing agents, abrasive detergents.
Uses	sodium metaphosphate can be used to adjust pH levels, thus acting as a buffer.
Definition	The value of n ranges from 3 to 10 (cyclic molecules) or may be a much larger number (polymers). Cyclic sodium metaphosphate, based on rings of alter- nating phosphorus and oxygen atoms, range from the trimetaphosphate (Na PO 3 ) 3 to at least the decametaphosphate. So-called sodium hexam- etaphosphate is probably a polymer where n is between 10 and 20 (“Calgon”).
Safety Profile	Moderately toxic by intraperitoneal route. When heated to decomposition it emits toxic fumes of NazO and POx. See also PHOSPHATES.

Sodium metaphosphate Preparation Products And Raw materials

Raw materials	METAPHOSPHORIC ACID-->Sodium Phosphate Monobasic Monohydrate-->White phosphorus
Preparation Products	sodium hexametaphosphate-->Sodium trimetaphosphate-->efficient complex formulationof corrosion and scale control-->Maddrell's salt for food-->corrosion inhibitor NJ-304

Sodium polyphosphate Sodium benzoate Sodium acetate metaphosphoric acid, calcium sodium salt sodium sodium hexametaphosphate Sodium sulfate Sodium chloride Sodium trimetaphosphate Diclofenac sodium Sodium citrate Sodium bicarbonate Sodium hydroxide Sodium metaphosphate Sodium chlorite Estramustine METAPHOSPHORIC ACID 8-CHLOROADENOSINE-3',5'-CYCLIC MONOPHOSPHOROTHIOATE, RP-ISOMER SODIUM SALT

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