Basic information
- Name:
Potassium metaphosphate
- CAS No.:
7790-53-6
- Molecular Structure:
- Formula:
- HO3P·K
- Molecular Weight:
- 118.06
- Deleted CAS:
- 12764-57-7,151901-76-7
- Synonyms:
- Metaphosphoricacid (HPO3), potassium salt (8CI,9CI);Potassium metaphosphate (KPO3)(6CI,7CI);Potassium Kurrol's salt;Potassium phosphate (KPO3);
- EINECS:
- 232-212-6
- Density:
- 2.393 g/cm3
- Melting Point:
- 807 °C
- Safety Description:
- 22-24/25 Details
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Specification
The Potassium metaphosphate, with the CAS registry number 7790-53-6, is also known as Metaphosphoric acid potassium salt. It belongs to the product categories of Inorganics; Metal phosphate compound. Its EINECS number is 232-212-6. This chemical's molecular formula is HO3P·K and molecular weight is 118.06. Its classification code is Pharmaceutic aid [buffering agent]. It should be sealed and stored in a cool and dry place. It is used as fat emulsifier, humectant, water softener, metal ion chelating agent and organization modifier.
Physical properties of Potassium metaphosphate are: (1)#H bond acceptors: 3; (2)#H bond donors: 1; (3)#Freely Rotating Bonds: 0; (4)Polar Surface Area: 57.2 Å2.
Preparation: this chemical can be prepared by heating potassium dihydrogen phosphateto to the temperature of 400- 700 °C (200 °C or so in theory) and maintaining several hours to do intramolecular dehydration condensation.
You can still convert the following datas into molecular structure:
(1)SMILES: [K+].[O-]P(=O)=O
(2)Std. InChI: InChI=1S/K.HO3P/c;1-4(2)3/h;(H,1,2,3)/q+1;/p-1
(3)Std. InChIKey: OQZCJRJRGMMSGK-UHFFFAOYSA-M