偏磷酸钾

Description

Potassium Metaphosphate · CAS 7790-53-6 · KO3P. UNII 01DMT14Z63.

Identification

CAS Registry Number	7790-53-6
PubChem CID	16133895
Molecular formula	KO3P
UNII (FDA)	01DMT14Z63

Computed Descriptors

Molecular Weight	118.070
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	3
Rotatable Bond Count	0
Exact Mass	117.92221234
Monoisotopic Mass	117.92221234
Topological Polar Surface Area	57.2
Heavy Atom Count	5
Formal Charge	0
Complexity	49.8

Physical description & handling notes

• Dry Powder
• Fine white powder or crystals or colourless glassy platelets
• White solid; [Merck Index] White powder; [Strem Chemicals MSDS]
• 1 g dissolves in 100 ml of a 1 in 25 solution of sodium acetate
• Not more than 7,8 (1 % suspension)

Regulatory Status

Regulatory & Food Contact	FDA Substance added to food: EMULSIFIER OR EMULSIFIER SALT, HUMECTANT EMULSIFIER; HUMECTANT; SEQUESTRANT; TEXTURIZER; THICKENER: Food Additives POTASSIUM POLYMETAPHOSPHATE Group MTDI for phosphorus from all sources, expressed as P TRS 683-JECFA 26/25 FAS 17-JECFA 26/151
GHS notification summary	100% (55 / 55)

GHS Hazard Classification

GHS notification summary	100% (55 / 55)

Documented Uses

• CIR ingredient: Potassium Metaphosphate
• Used as a humectant and emulsifier for foods; [FDA]
• Food Additives -> EMULSIFIER; HUMECTANT; SEQUESTRANT; TEXTURIZER; THICKENER -> JECFA Functional Classes
• Food, beverage, and tobacco product manufacturing
• Metaphosphoric acid (HPO3), potassium salt (1:1): ACTIVE

Synonyms

Potassium metaphosphate; 7790-53-6; Metaphosphoric acid potassium salt; EINECS 232-212-6; UNII-01DMT14Z63; potassium oxophosphinate; 01DMT14Z63; monopotassium metaphosphate; Potassium metaphosphate (kpo3); CHEBI:148438; DTXSID90872576; RefChem:6571; DTXCID60820221; POTASSIUM METAPHOSPHATE (II); POTASSIUM METAPHOSPHATE (MART.); METAPHOSPHORIC ACID, POTASSIUM SALT

Frequently Asked Questions

What are the CAS number and molecular formula of Potassium Metaphosphate?

CAS 7790-53-6; molecular formula KO3P; molecular weight — g/mol.

What other names is Potassium Metaphosphate known by?

Potassium metaphosphate, 7790-53-6, Metaphosphoric acid potassium salt, EINECS 232-212-6, UNII-01DMT14Z63, potassium oxophosphinate.

What is the regulatory status of Potassium Metaphosphate?

Documented regulatory listings: FDA Substance added to food: EMULSIFIER OR EMULSIFIER SALT, HUMECTANT; EMULSIFIER; HUMECTANT; SEQUESTRANT; TEXTURIZER; THICKENER: Food Additives; POTASSIUM POLYMETAPHOSPHATE.

Is Potassium Metaphosphate classified as hazardous?

100% of GHS notifications report no hazard classification (55 of 55).

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.