焦磷酸四钾（CAS 7320-34-5）：分子式 K4P2O7、分子量 330.34；类别 特种化学品。
| CAS号 | 7320-34-5 |
|---|---|
| 分子式 | K4P2O7 |
| 分子量 | 330.34 |
| 熔点 | 1090 °C |
| 沸点 | 300 °C @760 [mm Hg] |
| 应用领域 | Uses: CIR ingredient: Tetrapotassium Pyrophosphate、Used in detergents and surfactants、water treatment、and as a clay thinner in drilling muds、[Merck Index] Used in the chemical and personal-domestic use industries、as a food additive、cleaning、washing agent、disinfectant、and in pharmaceuticals、[IUCLID] Used in tin plating、stabilizing hydrogen peroxide baths、purification of chin clay、oil drilling muds、soaps and detergents (sequesters magnesium)、peptizing curds of calcium soap、building、clarifying of liquid soaps in synthetic rubber production、as an iron sequestrant、peptizer in latex paints、in ultra high pressure boiler water treatment、and as an emulsifier and texturizer in foods、[EPA OHM、TADS] Permitted for use as an inert ingredient in non-food pesticide products、[EPA]、Electroplating [Category: Plate]、Petroleum Production and Refining [Category: Industry]、Painting (Pigments、Binders、and Biocides) [Category: Paint]、Using Disinfectants or Biocides [Category: Clean]、Sewer and Wastewater Treatment [Category: Industry]、Use Classification: EPA Safer Chemical Functional Use Classes -> Oxidants and Oxidant Stabilizers、Safer Chemical Classes -> Yellow triangle - The chemical has met Safer Choice Criteria for its functional ingredient-class、but has some hazard profile issues、Food Additives -> EMULSIFIER、TEXTURIZER、THICKENER -> JECFA Functional Classes、Cosmetics -> Chelating、Buffering、Industry Uses: Anti-scaling agent、Intermediate、Etching agent、Adhesion、cohesion promoter、Chelating agent、Deflocculant、Cleaning agent、Soil amendments (fertilizers)、Corrosion inhibitor、Not Known or Reasonably Ascertainable、Processing aids not otherwise specified、pH regulating agent、Plating agent、Dispersing agent、Consumer Uses: Chelating agent、Emulsifier、Solvent、Household Products: Information on 57 consumer products that contain Tetrapotassium pyrophosphate (TKPP) in the following categories is provided:、• Auto Products、• Commercial、Institutional、• Home Maintenance、• Inside the Home、• Personal Care、• Pesticides、U.S. Production: 2023: 25、000、000 - <40、000 lb、2022: 25、2021: 25、2020: 25、General Manufacturing Information: Pesticide、Fertilizer、and Other Agricultural Chemical Manufacturing、All Other Basic Inorganic Chemical Manufacturing、Utilities、Computer and Electronic Product Manufacturing、Agriculture、Forestry、Fishing and Hunting、Oil and Gas Drilling、Extraction、and Support activities、Primary Metal Manufacturing、Transportation Equipment Manufacturing、Soap、Cleaning Compound、and Toilet Preparation Manufacturing、Electrical Equipment、Appliance、and Component Manufacturing、All Other Chemical Product and Preparation Manufacturing、Fabricated Metal Product Manufacturing、Petroleum Refineries、Non-metallic Mineral Product Manufacturing (includes clay、glass、cement、concrete、lime、gypsum、and other non-metallic mineral product manufacturing)、Paint and Coating Manufacturing、All Other Basic Organic Chemical Manufacturing、Other (requires additional information)、Food、beverage、and tobacco product manufacturing、Paper Manufacturing、Machinery Manufacturing、Diphosphoric acid、potassium salt (1:4): ACTIVE |
| 类别 | 水处理化学品 |
登记用途：Uses: CIR ingredient: Tetrapotassium Pyrophosphate、Used in detergents and surfactants、water treatment、and as a clay thinner in drilling muds、[Merck Index] Used in the chemical and personal-domestic use industries、as a food additive、cleaning、washing agent、disinfectant、and in pharmaceuticals、[IUCLID] Used in tin plating、stabilizing hydrogen peroxide baths、purification of chin clay、oil drilling muds、soaps and detergents (sequesters magnesium)、peptizing curds of calcium soap、building、clarifying of liquid soaps in synthetic rubber production、as an iron sequestrant、peptizer in latex paints、in ultra high pressure boiler water treatment、and as an emulsifier and texturizer in foods、[EPA OHM、TADS] Permitted for use as an inert ingredient in non-food pesticide products、[EPA]、Electroplating [Category: Plate]、Petroleum Production and Refining [Category: Industry]、Painting (Pigments、Binders、and Biocides) [Category: Paint]、Using Disinfectants or Biocides [Category: Clean]、Sewer and Wastewater Treatment [Category: Industry]、Use Classification: EPA Safer Chemical Functional Use Classes -> Oxidants and Oxidant Stabilizers、Safer Chemical Classes -> Yellow triangle - The chemical has met Safer Choice Criteria for its functional ingredient-class、but has some hazard profile issues、Food Additives -> EMULSIFIER、TEXTURIZER、THICKENER -> JECFA Functional Classes、Cosmetics -> Chelating、Buffering、Industry Uses: Anti-scaling agent、Intermediate、Etching agent、Adhesion、cohesion promoter、Chelating agent、Deflocculant、Cleaning agent、Soil amendments (fertilizers)、Corrosion inhibitor、Not Known or Reasonably Ascertainable、Processing aids not otherwise specified、pH regulating agent、Plating agent、Dispersing agent、Consumer Uses: Chelating agent、Emulsifier、Solvent、Household Products: Information on 57 consumer products that contain Tetrapotassium pyrophosphate (TKPP) in the following categories is provided:、• Auto Products、• Commercial、Institutional、• Home Maintenance、• Inside the Home、• Personal Care、• Pesticides、U.S. Production: 2023: 25、000、000 - <40、000 lb、2022: 25、2021: 25、2020: 25、General Manufacturing Information: Pesticide、Fertilizer、and Other Agricultural Chemical Manufacturing、All Other Basic Inorganic Chemical Manufacturing、Utilities、Computer and Electronic Product Manufacturing、Agriculture、Forestry、Fishing and Hunting、Oil and Gas Drilling、Extraction、and Support activities、Primary Metal Manufacturing、Transportation Equipment Manufacturing、Soap、Cleaning Compound、and Toilet Preparation Manufacturing、Electrical Equipment、Appliance、and Component Manufacturing、All Other Chemical Product and Preparation Manufacturing、Fabricated Metal Product Manufacturing、Petroleum Refineries、Non-metallic Mineral Product Manufacturing (includes clay、glass、cement、concrete、lime、gypsum、and other non-metallic mineral product manufacturing)、Paint and Coating Manufacturing、All Other Basic Organic Chemical Manufacturing、Other (requires additional information)、Food、beverage、and tobacco product manufacturing、Paper Manufacturing、Machinery Manufacturing、Diphosphoric acid、potassium salt (1:4): ACTIVE。
焦磷酸四钾 是一种特种功能化合物，登记 CAS 号为 7320-34-5，分子式 K4P2O7（分子量 330.34），归属于特种化学品大类化工原料。
登记 CAS 号：7320-34-5
其分子式 K4P2O7 由 4 个钾、2 个磷、7 个氧 组成。
别名/同义词：焦磷酸四钾 · Tetrapotassium Pyrophosphate · Potassium Diphosphate · Potassium pyrophosphate
所属分类：特种化学品
焦磷酸四钾 的 CAS 登记号为 7320-34-5。
分子式 K4P2O7，分子量 330.34。
别名/同义词：焦磷酸四钾、Tetrapotassium Pyrophosphate、Potassium Diphosphate、Potassium pyrophosphate。
登记用途：Uses: CIR ingredient: Tetrapotassium Pyrophosphate、Used in detergents and surfactants、water treatment、and as a clay thinner in drilling muds、[Merck Index] Used in the chemical and personal-domestic use industries、as a food additive、cleaning、washing agent、disinfectant、and in pharmaceuticals、[IUCLID] Used in tin plating、stabilizing hydrogen peroxide baths、purification of chin clay、oil drilling muds、soaps and detergents (sequesters magnesium)、peptizing curds of calcium soap、building、clarifying of liquid soaps in synthetic rubber production、as an iron sequestrant、peptizer in latex paints、in ultra high pressure boiler water treatment、and as an emulsifier and texturizer in foods、[EPA OHM、TADS] Permitted for use as an inert ingredient in non-food pesticide products、[EPA]、Electroplating [Category: Plate]、Petroleum Production and Refining [Category: Industry]、Painting (Pigments、Binders、and Biocides) [Category: Paint]、Using Disinfectants or Biocides [Category: Clean]、Sewer and Wastewater Treatment [Category: Industry]、Use Classification: EPA Safer Chemical Functional Use Classes -> Oxidants and Oxidant Stabilizers、Safer Chemical Classes -> Yellow triangle - The chemical has met Safer Choice Criteria for its functional ingredient-class、but has some hazard profile issues、Food Additives -> EMULSIFIER、TEXTURIZER、THICKENER -> JECFA Functional Classes、Cosmetics -> Chelating、Buffering、Industry Uses: Anti-scaling agent、Intermediate、Etching agent、Adhesion、cohesion promoter、Chelating agent、Deflocculant、Cleaning agent、Soil amendments (fertilizers)、Corrosion inhibitor、Not Known or Reasonably Ascertainable、Processing aids not otherwise specified、pH regulating agent、Plating agent、Dispersing agent、Consumer Uses: Chelating agent、Emulsifier、Solvent、Household Products: Information on 57 consumer products that contain Tetrapotassium pyrophosphate (TKPP) in the following categories is provided:、• Auto Products、• Commercial、Institutional、• Home Maintenance、• Inside the Home、• Personal Care、• Pesticides、U.S. Production: 2023: 25、000、000 - <40、000 lb、2022: 25、2021: 25、2020: 25、General Manufacturing Information: Pesticide、Fertilizer、and Other Agricultural Chemical Manufacturing、All Other Basic Inorganic Chemical Manufacturing、Utilities、Computer and Electronic Product Manufacturing、Agriculture、Forestry、Fishing and Hunting、Oil and Gas Drilling、Extraction、and Support activities、Primary Metal Manufacturing、Transportation Equipment Manufacturing、Soap、Cleaning Compound、and Toilet Preparation Manufacturing、Electrical Equipment、Appliance、and Component Manufacturing、All Other Chemical Product and Preparation Manufacturing、Fabricated Metal Product Manufacturing、Petroleum Refineries、Non-metallic Mineral Product Manufacturing (includes clay、glass、cement、concrete、lime、gypsum、and other non-metallic mineral product manufacturing)、Paint and Coating Manufacturing、All Other Basic Organic Chemical Manufacturing、Other (requires additional information)、Food、beverage、and tobacco product manufacturing、Paper Manufacturing、Machinery Manufacturing、Diphosphoric acid、potassium salt (1:4): ACTIVE。
所属分类：水处理化学品。
焦磷酸四钾（CAS 7320-34-5）的独立参考数据，整理自公开化学数据库。
| CAS 号 | 7320-34-5 |
|---|---|
| PubChem CID | 23740 |
| 分子式 | K4P2O7 |
| IUPAC 名称 | 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
| 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) |
| GHS 通报统计 | 2.3% (62 / 2678) |
|---|---|
| 已通报的危害声明 | H319 (96.5%) |
焦磷酸钾 · CAS 7320-34-5 · K4P2O7. UNII B9W4019H5G. Boiling Point: 300 °C @760 [mm Hg]; Melting Point: 1090 °C; Melting Point: 180 °C.
数据来源：PubChem / Wikidata；与随货 COA 不一致时以 COA 为准。
English page: Tetrapotassium Pyrophosphate