-
Name
Potassium metaphosphate
- EINECS 232-212-6
- CAS No. 7790-53-6
- Article Data5
- CAS DataBase
- Density 2.393 g/cm3
- Solubility g/100mL solution H2O: 0.0041 (25°C) [KRU93]
- Melting Point 807 °C
- Formula HO3P·K
- Boiling Point 1320℃ [CRC10]
- Molecular Weight 118.07
- Flash Point
- Transport Information
- Appearance LIQUID
- Safety 22-24/25
- Risk Codes
-
Molecular Structure
- Hazard Symbols
- Synonyms Metaphosphoricacid (HPO3), potassium salt (8CI,9CI);Potassium metaphosphate (KPO3)(6CI,7CI);Potassium Kurrol's salt;Potassium phosphate (KPO3);
- PSA 0.00000
- LogP 0.00000
Potassium metaphosphate 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
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