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calcium pyrophosphate
diphosphoric acid, calcium salt (2:1)

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Name:dicalcium phosphonato phosphate
CAS Number: 7790-76-3Picture of molecule3D/inchi
Other(deleted CASRN):15099-12-4
ECHA EINECS - REACH Pre-Reg:232-221-5
Nikkaji Web:J96.067E
Molecular Weight:254.09792400
Formula:Ca2 O7 P2
NMR Predictor:Predict (works with chrome, Edge or firefox)
Category:buffering agents, neutralizing agents, yeast food, acidity regulators
US / EU / FDA / JECFA / FEMA / FLAVIS / Scholar / Patent Information:
Google Scholar:Search
Google Books:Search
Google Scholar: with word "volatile"Search
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Google Scholar: with word "odor"Search
Perfumer and Flavorist:Search
Google Patents:Search
US Patents:Search
EU Patents:Search
Pubchem Patents:Search
 FDA/DG SANTE Petitions, Reviews, Notices:
182.8223 Calcium pyrophosphate View - review
GRN 420 Calcium acid pyrophosphate View - notice PDF
JECFA Food Additive: Dicalcium Pyrophosphate
GSFA Codex: Dicalcium diphosphate (450(vi))
FDA Regulation:
Subpart I--Nutrients
Sec. 182.8223 Calcium pyrophosphate.
Physical Properties:
Appearance:white fine powder (est)
Assay: 96.00 to 100.00
Food Chemicals Codex Listed: No
Specific Gravity:3.09000 @ 25.00 °C.
Flash Point: 32.00 °F. TCC ( 0.00 °C. ) (est)
logP (o/w): -3.420 (est)
Insoluble in:
Organoleptic Properties:
Odor Description:at 100.00 %. odorless
Odor and/or flavor descriptions from others (if found).
Cosmetic Information:
CosIng:cosmetic data
Cosmetic Uses: abrasives
oral care agents
American Elements
Calcium Pyrophosphate 99%
Odor: characteristic
Use: Calcium Pyrophosphate is generally immediately available in most volumes. High purity, submicron and nanopowder forms may be considered. American Elements produces to many standard grades when applicable, including Mil Spec (military grade); ACS, Reagent and Technical Grade; Food, Agricultural and Pharmaceutical Grade; Optical Grade, USP and EP/BP (European Pharmacopoeia/British Pharmacopoeia) and follows applicable ASTM testing standards.
Lianyungang Yunbo Chemical
Calcium pyrophosphate
Santa Cruz Biotechnology
For experimental / research use only.
Calcium Pyrophosphate ≥99%
Sigma-Aldrich: Aldrich
For experimental / research use only.
Calcium Pyrophosphate ≥99.9% trace metals basis
Chemical Sources Association
Need This Item for Flavor/Food?: You can contact the Chemical Sources Association
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
Hazard statement(s)
None found.
Precautionary statement(s)
None found.
Oral/Parenteral Toxicity:
Not determined
Dermal Toxicity:
Not determined
Inhalation Toxicity:
Not determined
Safety in Use Information:
buffering agents, neutralizing agents, yeast food, acidity regulators
Recommendation for calcium pyrophosphate usage levels up to:
 not for fragrance use.
Recommendation for calcium 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

AIDS Citations:Search
Cancer Citations:Search
Toxicology Citations:Search
EPA Substance Registry Services (TSCA):7790-76-3
EPA ACToR:Toxicology Data
EPA Substance Registry Services (SRS):Registry
Laboratory Chemical Safety Summary :24632
National Institute of Allergy and Infectious Diseases:Data
WGK Germany:3
dicalcium phosphonato phosphate
 dicalcium phosphonato phosphate
NIST Chemistry WebBook:Search Inchi
Canada Domestic Sub. List:7790-76-3
Pubchem (cid):24632
Pubchem (sid):134989195
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
Export Tariff Code:2835.39.5000
FDA Listing of Food Additive Status:View
grade: fcc
Potential Blenders and core components note
None Found
Potential Uses:
Occurrence (nature, food, other):note
 not found in nature
 calcium phosphate (Ca2P2O7)
 calcium pyrophosphate (Ca2P2O7)
 dicalcium diphosphate
 dicalcium phosphonato phosphate
 dicalcium pyrophosphate
 diphosphoric acid calcium salt (1:2)
 diphosphoric acid, calcium salt (2:1)
None found
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