D(+)-苹果酸

Description

D-malic acid · CAS 636-61-3 · C4H6O5. UNII P750Y95K96. Melting Point: 101 °C; Solubility: 364 mg/mL at 20 °C; LogP: -1.26.

Identification

CAS Registry Number	636-61-3
PubChem CID	92824
Molecular formula	C4H6O5
IUPAC name	(2R)-2-hydroxybutanedioic acid
UNII (FDA)	P750Y95K96

Computed Descriptors

Molecular Weight	134.09
XLogP3	-1.3
Hydrogen Bond Donor Count	3
Hydrogen Bond Acceptor Count	5
Rotatable Bond Count	3
Exact Mass	134.02152329
Monoisotopic Mass	134.02152329
Topological Polar Surface Area	94.8
Heavy Atom Count	9
Formal Charge	0

Physical & Chemical Properties

Melting Point	101 °C
Solubility	364 mg/mL at 20 °C
LogP	-1.26
Collision Cross Section	116.3 Ų [M-H]-

Physical description & handling notes

• Solid; [Merck Index] White powder; [Alfa Aesar MSDS]
• Solid
• 120.68 Ų [M-H]- [CCS Type: DT; Method: stepped-field]

Regulatory Status

GHS notification summary	3.1% (3 / 98)

GHS Hazard Classification

GHS notification summary	3.1% (3 / 98)
Reported hazard statements	H315 (93.9%), H318 (91.8%), H335 (92.9%)

Documented Uses

• Used as an intermediate, chelating agent, buffering agent, and food additive; [Merck Index]

Synonyms

D-(+)-malic acid; D-malic acid; (R)-malic acid; Malic acid, D-; Malic acid D-(+)-form; (+)-D-malic acid; L(+)-Malic acid; Butanedioic acid, hydroxy-, (2R)-; (R)-2-hydroxybutanedioic acid; (r)-(+)-hydroxysuccinic acid; Malic acid, L(+)-; EINECS 211-262-2; CHEBI:30796; P750Y95K96; MALIC ACID D-(+)-FORM [MI]; BUTANEDIOIC ACID, 2-HYDROXY-, (2R)-

Frequently Asked Questions

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

CAS 636-61-3; molecular formula C4H6O5; molecular weight — g/mol.

What other names is D-malic acid known by?

D-(+)-malic acid, D-malic acid, (R)-malic acid, Malic acid, D-, Malic acid D-(+)-form, (+)-D-malic acid.

Is D-malic acid classified as hazardous?

3.1% of GHS notifications report no hazard classification (3 of 98).

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

Melting Point: 101 °C; Solubility: 364 mg/mL at 20 °C; LogP: -1.26; Collision Cross Section: 116.3 Ų [M-H]-.

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.