L-(-)-dibenzoyl-(D)-tartaric acid CAS No.2743-38-6

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CAS No.2743-38-6

Category	Information
Basic Information
Chemical Name	L-(-)-Dibenzoyl-(D)-tartaric acid
CAS Number	Note: The CAS number for L-(-)-Dibenzoyl-L-tartaric acid (anhydrous) is 2743-38-6. but specific CAS for the (D) form may vary or be the same. For simplicity, 2743-38-6 is referenced here.
Molecular Formula	C18H14O8
Molecular Weight	358.30 g/mol
Synonyms	L-(-)-Dibenzoyl-D-tartaric acid; Dibenzoyl-L-(D)-tartaric acid; (-)-Dibenzoyl-D-tartaric acid, anhydrous
Physical Properties
Appearance	White or off-white crystalline powder, odorless, slightly bitter taste
Solubility	Poorly soluble in water; soluble in strongly polar organic solvents such as DMSO, ethanol, and methanol
Melting Point	Approximately 152-155 °C (literature value)
pH	3-4 (aqueous solution)
Optical Rotation	[α]D20 = -114° to -119° (C = 9.0. ethanol)
Chemical Properties
Functional Groups	Two benzoyl groups and two carboxylic acid groups
Chirality	Organic chiral compound with specific spatial arrangement of atoms
Reactivity	Can undergo esterification, addition reactions, and other typical carboxylic acid reactions
Uses
Primary Use	As a chiral catalyst and resolving agent in organic synthesis, particularly for the chiral resolution of amine compounds
Other Applications	As an intermediate in organic and pharmaceutical syntheses; used in laboratory research and chemical synthesis processes
Safety Information
Hazard Statements	Xi (Irritant)
Risk Category	36 (Irritating to eyes)
Safety Instructions	26-36 (In case of contact with eyes, rinse immediately with plenty of water and seek medical advice; Wear suitable protective clothing and gloves)
Storage Conditions	Store in a refrigerator, keep away from moisture and heat

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