Potassium pyrophosphate (CAS 7320-34-5) — formula K4P2O7, molecular weight 330.34; category inorganic chemicals.
Potassium pyrophosphate is an inorganic compound with CAS registry number 7320-34-5 and molecular formula K4P2O7 (molecular weight 330.34), belonging to the inorganic chemicals segment of chemical raw materials.
CAS number: 7320-34-5
Its molecular formula K4P2O7 comprises 4 K, 2 P, 7 O atoms.
Also known as: Potassium pyrophosphate · Tetrapotassium Pyrophosphate · Potassium Diphosphate
Category: inorganic chemicals
The CAS registry number of Potassium pyrophosphate is 7320-34-5.
Molecular formula K4P2O7, molecular weight 330.34.
It is also registered under: Potassium pyrophosphate, Tetrapotassium Pyrophosphate, Potassium Diphosphate.
Category: Inorganic Chemicals.
Public-database records for Potassium pyrophosphate (CAS 7320-34-5), reproduced here for independent cross-checking.
| GHS 通报统计 | 2.3% (62 / 2678) |
|---|---|
| 已通报的危害声明 | H319 (96.5%) |
| 法规与食品接触 | FDA Substance added to food: EMULSIFIER OR EMULSIFIER SALT, TEXTURIZER EMULSIFIER; TEXTURIZER; THICKENER: Food Additives Group MTDI for phosphorus from all sources, expressed as P TRS 683-JECFA 26/25 FAS 17-JECFA 26/151 CIR / INCI: Cosmetic ingredients (Tetrapotassium Pyrophosphate) -> CIR (Cosmetic Ingredient Review) |
|---|---|
| GHS 通报统计 | 2.3% (62 / 2678) |
| 沸点 | 300 °C @760 [mm Hg] |
|---|---|
| 熔点 | 1090 °C |
| 熔点 | 180 °C |
| 密度 | 2.33 @25 °C |
| CAS 号 | 7320-34-5 |
|---|---|
| PubChem CID | 23740 |
| 分子式 | K4P2O7 |
| IUPAC 名称 | tetrapotassium;phosphonato phosphate |
| UNII（FDA） | B9W4019H5G |
Potassium pyrophosphate; 7320-34-5; Potassium diphosphate; TKPP; TETRAPOTASSIUM PYROPHOSPHATE; Diphosphoric acid, tetrapotassium salt; Tetrapotassium diphosphorate; Pyrophosphoric acid, tetrapotassium salt; B9W4019H5G; DTXSID3036446; RefChem:897424; DTXCID1016446; 230-785-7; Tetrapotassium diphosphate; Potassium pyrophospate; Diphosphoric acid, potassium salt
| 分子量 | 330.34 |
|---|---|
| 氢键供体数 | 0 |
| 氢键受体数 | 7 |
| 可旋转键数 | 0 |
| 精确质量 | 329.7667523 |
| 单同位素质量 | 329.7667523 |
| 拓扑极性表面积 | 136 |
| 重原子数 | 13 |
| 形式电荷 | 0 |
| 复杂度 | 124 |
焦磷酸钾 · CAS 7320-34-5 · K4P2O7. UNII B9W4019H5G. 沸点: 300 °C @760 [mm Hg]; 熔点: 1090 °C; 熔点: 180 °C.
Source: PubChem / Wikidata; the batch COA governs where values differ.
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