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diphosphoric acid potassium salt (1:4)
Notes:
Used in foods as a buffering agent, pH control agent, alkalinity source, dispersing agent, protein modifier, coagulant, sequestrant and nutrient source
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| CAS Number: | 7320-34-5 |  3D/inchi
|
| Other(deleted CASRN): | 1174512-44-7 | |
| ECHA EINECS - REACH Pre-Reg: | 230-785-7 | |
| FDA UNII: | B9W4019H5G | |
| Nikkaji Web: | J9.215K | |
| MDL: | MFCD00011393 | |
| Molecular Weight: | 330.33512400 | |
| Formula: | K4 O7 P2 | |
| NMR Predictor: | Predict (works with chrome or firefox) | |
Category: emulsifiers, texturizers, acidity regulators
US / EU / FDA / JECFA / FEMA / FLAVIS / Scholar / Patent Information:
| Google Scholar: | Search |
| Google Books: | Search |
| Google Scholar: with word "volatile" | Search |
| Google Scholar: with word "flavor" | Search |
| Google Scholar: with word "odor" | Search |
| Perfumer and Flavorist: | Search |
| Google Patents: | Search |
| US Patents: | Search |
| EU Patents: | Search |
| Pubchem Patents: | Search |
| PubMed: | Search |
| NCBI: | Search |
| FDA/DG SANTE Petitions, Reviews, Notices: | |
| 1975 | Potassium pyrophosphate View - review |
| JECFA Food Additive: | Tetrapotassium Pyrophosphate |
| GSFA Codex: | Tetrapotassium diphosphate (450(v)) |
| FDA Mainterm (SATF): | 7320-34-5 ; POTASSIUM PYROPHOSPHATE |
| FDA Regulation: | |
| FDA PART 173 -- SECONDARY DIRECT FOOD ADDITIVES PERMITTED IN FOOD FOR HUMAN CONSUMPTION Subpart D--Specific Usage Additives Sec. 173.315 Chemicals used in washing or to assist in the peeling of fruits and vegetables. | |
Physical Properties:
| Appearance: | white crystalline powder (est) |
| Assay: | 95.00 to 100.00 % |
| Food Chemicals Codex Listed: | No |
| Soluble in: | |
| water, 1e+006 mg/L @ 25 °C (est) | |
| Insoluble in: | |
| alcohol | |
Organoleptic Properties:
| Odor and/or flavor descriptions from others (if found). | |
Cosmetic Information:
| CosIng: | cosmetic data |
| Cosmetic Uses: |
buffering agents chelating agents oral care agents |
Suppliers:
Safety Information:
| Preferred SDS: View | |
| Hazards identification | |
| Classification of the substance or mixture | |
| GHS Classification in accordance with 29 CFR 1910 (OSHA HCS) | |
| None found. | |
| GHS Label elements, including precautionary statements | |
| Pictogram | |
| Hazard statement(s) | |
| None found. | |
| Precautionary statement(s) | |
| None found. | |
| Oral/Parenteral Toxicity: | |
|
oral-rat LDLo 4640 mg/kg BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) GASTROINTESTINAL: OTHER CHANGES National Technical Information Service. Vol. OTS0571153 | |
| Dermal Toxicity: | |
|
skin-rabbit LD50 > 4640 mg/kg SKIN AND APPENDAGES (SKIN): "DERMATITIS, OTHER: AFTER SYSTEMIC EXPOSURE" National Technical Information Service. Vol. OTS0571153 | |
| Inhalation Toxicity: | |
| Not determined | |
Safety in Use Information:
| Category: | emulsifiers, texturizers, acidity regulators | ||
| Recommendation for potassium pyrophosphate usage levels up to: | |||
| not for fragrance use. | |||
| Recommendation for potassium pyrophosphate flavor usage levels up to: | |||
| not for flavor use. | |||
Safety References:
| European Food Safety Authority (EFSA) reference(s): | |
| Assessment of one published review on health risks associated with phosphate additives in food View page or View pdf | |
| Re-evaluation of phosphoric acid–phosphates – di-, tri- and polyphosphates (E 338–341, E 343, E 450–452) as food additives and the safety of proposed extension of use View page or View pdf | |
| EPI System: | View |
| NIOSH International Chemical Safety Cards: | search |
| AIDS Citations: | Search |
| Cancer Citations: | Search |
| Toxicology Citations: | Search |
| EPA Substance Registry Services (TSCA): | 7320-34-5 |
| EPA ACToR: | Toxicology Data |
| EPA Substance Registry Services (SRS): | Registry |
| Laboratory Chemical Safety Summary : | 23740 |
| National Institute of Allergy and Infectious Diseases: | Data |
| WGK Germany: | 2 |
| tetrapotassium phosphonato phosphate | |
| Chemidplus: | 0007320345 |
| EPA/NOAA CAMEO: | hazardous materials |
| RTECS: | 7320-34-5 |
References:
| tetrapotassium phosphonato phosphate | |
| NIST Chemistry WebBook: | Search Inchi |
| Canada Domestic Sub. List: | 7320-34-5 |
| Pubchem (cid): | 23740 |
| Pubchem (sid): | 134988474 |
Other Information:
| (IUPAC): | Atomic Weights of the Elements 2011 (pdf) |
| Videos: | The Periodic Table of Videos |
| tgsc: | Atomic Weights use for this web site |
| (IUPAC): | Periodic Table of the Elements |
| FDA Substances Added to Food (formerly EAFUS): | View |
| HMDB (The Human Metabolome Database): | Search |
| FooDB: | FDB013381 |
| Export Tariff Code: | 2835.39.1000 |
| FDA Listing of Food Additive Status: | View |
| ChemSpider: | View |
Potential Blenders and core components note
| None Found | ||
Potential Uses:
| buffering agents | ||
| chelating agents |
Occurrence (nature, food, other): note
| not found in nature |
Synonyms:
| diphosphoric acid potassium salt (1:4) | |
| potassium diphosphate | |
| potassium pyrophosphate | |
| pyrophosphoric acid tetrapotassium salt | |
| tetrapotassium phosphonato phosphate | |
| tetrapotassium pyrophosphate |