D-酒石酸

Description

D-Tartaric acid · CAS 147-71-7 · C4H6O6. UNII RRX6A4PL3C. Melting Point: 172.5; Melting Point: 169 - 170 °C; Solubility: 1000000.

Identification

CAS Registry Number	147-71-7
PubChem CID	439655
Molecular formula	C4H6O6
IUPAC name	(2S,3S)-2,3-dihydroxybutanedioic acid
UNII (FDA)	RRX6A4PL3C
FEMA number	3044

Computed Descriptors

Molecular Weight	150.09
XLogP3	-1.9
Hydrogen Bond Donor Count	4
Hydrogen Bond Acceptor Count	6
Rotatable Bond Count	3
Exact Mass	150.01643791
Monoisotopic Mass	150.01643791
Topological Polar Surface Area	115
Heavy Atom Count	10
Formal Charge	0

Physical & Chemical Properties

Melting Point	172.5
Melting Point	169 - 170 °C
Solubility	1000000
Solubility	1.00E+06 mg/L @ 25 °C (exp)
Collision Cross Section	137.7 Ų [M+Na]+
Collision Cross Section	118.3 Ų [M-H]-

Physical description & handling notes

• Liquid; Other Solid
• White solid; [ICSC] Colorless or white odorless solid; [JECFA] White odorless crystalline powder; [Acros Organics MSDS]
• Solid; [Merck Index] White odorless crystalline powder; [Alfa Aesar MSDS]
• Solid
• 119.1 Ų [M-H]- [CCS Type: DT; Buffer gas: N2; Ionization: ESI-; Dataset: TOXCAST; Source Identifier: DTXSID5046986]

Regulatory Status

Regulatory & Food Contact	FLAVOURING_AGENTFood Additives -> ACID; ANTIOXIDANT_SYNERGIS: Flavouring Agent DL-TARTARIC ACID NO ADI ALLOCATED TRS 617-JECFA 21/13 FAS 12-JECFA 21/9
GHS notification summary	5.1% (26 / 506)

GHS Hazard Classification

GHS notification summary	5.1% (26 / 506)
Reported hazard statements	H315 (22.1%), H318 (53.6%), H319 (41.3%), H335 (15.4%)

Documented Uses

• Used as a synergist for antioxidants, acid, emulsifier, sequestrant, and flavoring agent; [JECFA]
• Dextro configuration of levorotatory tartaric acid; Called unnatural but has been found in nature; [Merck Index]
• Flavouring Agent -> FLAVOURING_AGENTFood Additives -> ACID; ANTIOXIDANT_SYNERGIST; EMULSIFIER; SEQUESTRANT; SYNERGIST -> JECFA Functional Classes
• Not Known or Reasonably Ascertainable
• Butanedioic acid, 2,3-dihydroxy-, (2S,3S)-: ACTIVE

Synonyms

d-Tartaric acid; D-(-)-Tartaric acid; 147-71-7; (2S,3S)-2,3-dihydroxybutanedioic acid; (-)-Tartaric acid; D-threaric acid; (-)-D-Tartaric acid; (S,S)-Tartaric acid; (2S,3S)-(-)-Tartaric acid; (2S,3S)-Tartaric acid; (-)-(S,S)-Tartaric acid; (S,S)-(-)-Tartaric acid; unusual tartaric acid; RRX6A4PL3C; TARTARIC ACID, D-; UNNATURAL TARTARIC ACID

Frequently Asked Questions

What are the CAS number and molecular formula of D-Tartaric acid?

CAS 147-71-7; molecular formula C4H6O6; molecular weight — g/mol.

What other names is D-Tartaric acid known by?

d-Tartaric acid, D-(-)-Tartaric acid, 147-71-7, (2S,3S)-2,3-dihydroxybutanedioic acid, (-)-Tartaric acid, D-threaric acid.

What is the regulatory status of D-Tartaric acid?

Documented regulatory listings: FLAVOURING_AGENTFood Additives -> ACID; ANTIOXIDANT_SYNERGIS: Flavouring Agent; DL-TARTARIC ACID; NO ADI ALLOCATED.

Is D-Tartaric acid classified as hazardous?

5.1% of GHS notifications report no hazard classification (26 of 506).

What are the key physical properties of D-Tartaric acid?

Melting Point: 172.5; Melting Point: 169 - 170 °C; Solubility: 1000000; Solubility: 1.00E+06 mg/L @ 25 °C (exp).

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.