calcium pyrophosphate

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diphosphoric acid, calcium salt (2:1)

CAS: 7790-76-3 Ca2 O7 P2 MW: 254.09792400
All Ingredients CAS Numbers EINECS Numbers Food Additives - Direct

Identification

Namecalcium pyrophosphate
IUPACdicalcium phosphonato phosphate
CAS Number7790-76-3
EINECS232-221-5
FDA UNIIX69NU20D19
Molecular FormulaCa2 O7 P2
Molecular Weight254.09792400
MDL NumberMFCD00015983
Nikkaji NumberJ96.067E

Regulatory

FDA/DG SANTE Petitions, Reviews, Notices182.8223
JECFA Food AdditiveDicalcium Pyrophosphate
GSFA CodexDicalcium diphosphate (450(vi))
FDA Mainterm (SATF)7790-76-3 ; CALCIUM PYROPHOSPHATE
FDA RegulationFDA PART 182 -- SUBSTANCES GENERALLY RECOGNIZED AS SAFE

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 water

Cosmetic Information

CosIngcosmetic data
Cosmetic Usesabrasives

Organoleptic Properties

Odor Description at 100.00 %.

Safety Information

Preferred SDSView
Oral/Parenteral ToxicityNot determined
Dermal ToxicityNot determined
Inhalation ToxicityNot determined

GHS Classification

['GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)', 'GHS Label elements, including precautionary statements']

Safety in Use

Categorybuffering agents, neutralizing agents, yeast food, acidity regulators
Recommendation for calcium pyrophosphate usage levels up tonot for fragrance use.
Recommendation for calcium pyrophosphate flavor usage levels up tonot for flavor use.

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Potential Uses

abrasives

Natural Occurrence

not found in nature

Synonyms

calcium phosphate (Ca2P2O7) calcium pyrophosphate (Ca2P2O7) calciumpyrophosphate dicalcium diphosphate dicalcium phosphonato phosphate dicalcium pyrophosphate diphosphoric acid calcium salt (1:2) diphosphoric acid, calcium salt (2:1) PubMed: Chronic calcium pyrophosphate crystal inflammatory arthritis induced by extreme hypomagnesemia in short bowel syndrome. PubMed: Epidemiology of gout and chondrocalcinosis. PubMed: A 90-day subchronic toxicity study of beta-calcium pyrophosphate in rat. PubMed: Antioxidant mechanism of milk mineral-high-affinity iron binding.