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Description

Calcium Tartrate · CAS 3164-34-9 · C4H4CaO6. UNII O6I5B26XA7.

Identification

CAS Registry Number	3164-34-9
PubChem CID	9815471
Molecular formula	C4H4CaO6
IUPAC name	calcium (2R,3R)-2,3-dihydroxybutanedioate
UNII (FDA)	O6I5B26XA7

Computed Descriptors

Molecular Weight	188.15
Hydrogen Bond Donor Count	2
Hydrogen Bond Acceptor Count	6
Rotatable Bond Count	1
Exact Mass	187.9633787
Monoisotopic Mass	187.9633787
Topological Polar Surface Area	121
Heavy Atom Count	11
Formal Charge	0
Complexity	123

Physical description & handling notes

• Fine crystalline powder with a white or off-white colour
• Slightly soluble in water. Solubility approximately 0,01 g/100 ml water (20 °C). Sparingly soluble in ethanol. Slightly soluble in diethyl ether. Soluble in acids
• [α]D/20 + 7,0° to + 7,4° (0,1 % in a 1N HCl solution)
• Between 6,0 and 9,0 (5 % slurry)

Regulatory Status

Regulatory & Food Contact	ACIDITY_REGULATOR: Food Additives NO ADI ALLOCATED TRS 696-JECFA 27/28 CIR / INCI: Skin conditioning
GHS notification summary	100% (49 / 49)

GHS Hazard Classification

GHS notification summary	100% (49 / 49)

Documented Uses

• Food Additives -> ACIDITY_REGULATOR -> JECFA Functional Classes
• Butanedioic acid, 2,3-dihydroxy- (2R,3R)-, calcium salt (1:1): ACTIVE
• Butanedioic acid, 2,3-dihydroxy-, calcium salt (1:1), (2R,3R)-rel-: INACTIVE

Synonyms

O6I5B26XA7; 3164-34-9; INS NO.354; DTXSID50883961; INS-354; Butanedioic acid, 2,3-dihydroxy-(2R,3R)-, calcium salt (1:1); E-354; RefChem:122914; DTXCID301023438; 221-621-5; Calcium tartrate; calcium d-tartrate; Butanedioic acid, 2,3-dihydroxy- (2R,3R)-, calcium salt (1:1); calcium l-tartrate; calcium l-(+)-tartrate; Calcium tartarate

Frequently Asked Questions

What are the CAS number and molecular formula of Calcium Tartrate?

CAS 3164-34-9; molecular formula C4H4CaO6; molecular weight — g/mol.

What other names is Calcium Tartrate known by?

O6I5B26XA7, 3164-34-9, INS NO.354, DTXSID50883961, INS-354, Butanedioic acid, 2,3-dihydroxy-(2R,3R)-, calcium salt (1:1).

What is the regulatory status of Calcium Tartrate?

Documented regulatory listings: ACIDITY_REGULATOR: Food Additives; NO ADI ALLOCATED; TRS 696-JECFA 27/28.

Is Calcium Tartrate classified as hazardous?

100% of GHS notifications report no hazard classification (49 of 49).

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.