(+)-Diacetyl-D-tartaric Acid

(+)-Diacetyl-D-tartaric Acid - Names and Identifiers

Name	(2S,3S)-2,3-bis(acetyloxy)butanedioic acid
Synonyms	(+)-DIACETYL--TARTARIC ACID ( )-Diacetyl-D-tartaric acid (+)-Diacetyl-D-tartaric acid (+)-Diacetyl-D-tartaric Acid (+)-DIACETYL-D-TARTARIC ACID (2S,3S)-2,3-Diacetoxysuccinic acid (2S,3S)-2,3-Bis(acetyloxy)butanedioic Acid (2S,3S)-2,3-bis(acetyloxy)butanedioic acid Butanedioic acid, 2,3-bis(acetyloxy)-, (2S,3S)- butanedioic acid, 2,3-bis(acetyloxy)-, (2S,3S)-
CAS	66749-60-8
InChI	InChI=1/C8H10O8/c1-3(9)15-5(7(11)12)6(8(13)14)16-4(2)10/h5-6H,1-2H3,(H,11,12)(H,13,14)/t5-,6-/m0/s1

(+)-Diacetyl-D-tartaric Acid - Physico-chemical Properties

Molecular Formula	C8H10O8
Molar Mass	234.16
Density	1.486±0.06 g/cm3(Predicted)
Melting Point	118°C
Boling Point	398.9±42.0 °C(Predicted)
Flash Point	159.4°C
Solubility	almost transparency in Acetone
Vapor Presure	1.77E-07mmHg at 25°C
Appearance	powder to crystal
Color	White to Almost white
pKa	2.12±0.25(Predicted)
Storage Condition	Room Temprature
Refractive Index	22.5 ° (C=5, Acetone
MDL	MFCD02093460

(+)-Diacetyl-D-tartaric Acid - Risk and Safety

Risk Codes	36/37/38 - Irritating to eyes, respiratory system and skin.
Safety Description	S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection.

(+)-Diacetyl-D-tartaric Acid - Introduction

(2S,3S)-2,3-bis(acetyloxy)butanedioic acid is an organic compound with the chemical formula C8H14O8. It is a diacetyl derivative of tartaric acid.

Nature:
-Appearance: (2S,3S)-2,3-bis(acetyloxy)butanedioic acid is white crystalline powder.
-Solubility: Soluble in water, but also soluble in alcohol solvents.
-Optical activity: (2S,3S)-2,3-bis(acetyloxy)butanedioic acid is an optical isomer with a positive optical rotation.

Use:
-Expand acidity: As a food additive, it can be used to adjust acidity and sour taste.
-Drug manufacturing: can be used to synthesize drugs, such as penicillin drugs.

Preparation Method:
-Starting from tartaric acid, tartaric acid is reacted with acetic anhydride through esterification to prepare (2S,3S)-2,3-bis(acetyloxy)butanedioic acid.

Safety Information:
- (2S,3S)-2,3-bis(acetyloxy)butanedioic acid is generally considered safe under normal conditions of use. However, as with any chemical substance, proper laboratory practices should be followed and used and handled in accordance with relevant safety guidelines.
-Wear appropriate personal protective equipment such as laboratory gloves, goggles and laboratory coats when handling or using.
- (2S,3S)-2,3-bis(acetyloxy)butanedioic acid should be stored in a dry, dark and well-ventilated place, away from fire and combustibles.

Last Update：2024-04-09 20:45:29