Tetrapotassium Pyrophosphate (CAS 7320-34-5) — formula K4P2O7, molecular weight 330.34; category fine chemicals.
Tetrapotassium Pyrophosphate (CAS 7320-34-5) is a fine chemicals. Its molecular formula K4P2O7 comprises 4 K, 2 P, 7 O atoms. Its molecular weight is about 330.34. Reported physicochemical data: melting point around 1090 °C, boiling point around 300 °C @760 [mm Hg]. Fine chemicals are high-value, multi-variety, small-batch products emphasizing purity and specification customization, also covering general chemical raw materials. Targeting pharmaceuticals, electronics, flavors and functional materials; produced and repacked to customer specifications. As a sourcing and distribution partner we help locate and compare this item across domestic and cross-border channels, arranging samples and batch orders with full COA and compliance files.
| CAS Number | 7320-34-5 |
|---|---|
| Molecular Formula | K4P2O7 |
| Molecular Weight | 330.34 |
| Melting Point | 1090 °C |
| Boiling Point | 300 °C @760 [mm Hg] |
| Applications | CIR ingredient: Tetrapotassium Pyrophosphate, detergents and surfactants, water treatment, and as a clay thinner in drilling muds, Used in the chemical and personal-domestic use industries, as a food additive |
| Category | Fine Chemicals|Water Treatment Chemicals |
Documented applications: CIR ingredient: Tetrapotassium Pyrophosphate, detergents and surfactants, water treatment, and as a clay thinner in drilling muds, Used in the chemical and personal-domestic use industries, as a food additive.
Tetrapotassium Pyrophosphate is a high-value fine compound with CAS registry number 7320-34-5 and molecular formula K4P2O7 (molecular weight 330.34), belonging to the fine 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: Tetrapotassium Pyrophosphate · 焦磷酸钾 · Potassium Diphosphate · Potassium pyrophosphate
Category: fine chemicals / specialty chemicals
The CAS registry number of Tetrapotassium Pyrophosphate is 7320-34-5.
Molecular formula K4P2O7, molecular weight 330.34.
It is also registered under: Tetrapotassium Pyrophosphate, 焦磷酸钾, Potassium Diphosphate, Potassium pyrophosphate.
Recorded applications: CIR ingredient: Tetrapotassium Pyrophosphate, detergents and surfactants, water treatment, and as a clay thinner in drilling muds, Used in the chemical and personal-domestic use industries, as a food additive.
Category: Fine Chemicals / Water Treatment Chemicals.
Packaging is agreed per order, from lab-scale packs to bulk, and confirmed with each order rather than fixed on the page. A Certificate of Analysis (COA) ships with every batch and MSDS is available; where the end use carries a regulatory limit (food contact, pharmaceutical or cosmetic), state the standard at enquiry and the grade is set against it.
Independent reference data for Tetrapotassium Pyrophosphate (CAS 7320-34-5), compiled from public chemistry databases.
| CAS Number | 7320-34-5 |
|---|---|
| PubChem CID | 23740 |
| Molecular Formula | K4P2O7 |
| IUPAC Name | tetrapotassium;phosphonato phosphate |
| UNII (FDA) | B9W4019H5G |
| Molecular Weight | 330.34 |
|---|---|
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 7 |
| Rotatable Bond Count | 0 |
| Exact Mass | 329.7667523 |
| Monoisotopic Mass | 329.7667523 |
| Topological Polar Surface Area | 136 |
| Heavy Atom Count | 13 |
| Boiling Point | 300 °C @760 [mm Hg] |
|---|---|
| Melting Point | 1090 °C |
| Melting Point | 180 °C |
| Density | 2.33 @25 °C |
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
| Regulatory & food contact | 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 notifications | 2.3% (62 / 2678) |
| GHS notifications | 2.3% (62 / 2678) |
|---|---|
| Notified hazard statements | H319 (96.5%) |
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 焦磷酸四钾