(+)-L-Tartaric acid 2,3-diacetate

(+)-L-Tartaric acid 2,3-diacetate - Names and Identifiers

Name	Diacetyltartaricacid
Synonyms	Diacetyltartaricacid (R,R)-DIACETYLTARTARIC ACID (-)-DIACETYL-L-TARTARIC ACID (-)-Diacetyl-L-tartaric acid (-)-Di-O-acetyl-L-tartaric acid (+)-L-Tartaric acid 2,3-diacetate 2,3-bis(acetyloxy)butanedioic acid (-)-2-O,3-O-Diacetyl-L-tartaric acid [R(R,R)]-2,3-bis(acetoxy)succinic acid (2R,3R)-2,3-bis(acetyloxy)butanedioic acid
CAS	51591-38-9
EINECS	257-303-8
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-/m1/s1

(+)-L-Tartaric acid 2,3-diacetate - Physico-chemical Properties

Molecular Formula	C8H10O8
Molar Mass	234.16
Density	1.486±0.06 g/cm3(Predicted)
Melting Point	120°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	Inert atmosphere,Room Temperature
Refractive Index	-25 ° (C=10, Acetone

(+)-L-Tartaric acid 2,3-diacetate - 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.

(+)-L-Tartaric acid 2,3-diacetate - Introduction

Diacetyltartaricacid(Diacetyltartaric acid) is an organic compound with the chemical formula C8H12O7. Its properties are as follows:

1. appearance and properties: the Diacetyltartaricacid is white crystalline powder or crystal, with a special sour taste.

2. solubility: Diacetyltartaricacid can be dissolved in water, but also soluble in alcohol and ether solvents.

3. Chemical properties: Diacetyltartaricacid is a diketo acid with two ketone groups and two carboxyl groups. It is a weak acid that produces an acidic reaction in aqueous solution.

The main uses of Diacetyltartaricacid are as follows:

1. Food industry: Diacetyltartaricacid can be used as food acidity regulator and stabilizer to improve the taste and texture of food, and increase the freshness and oxidation resistance of food.

2. pharmaceutical industry: Diacetyltartaricacid can be used to prepare certain drugs, such as lactic acid bacteria preparations and yeast preparations.

There are two main methods for preparing Diacetyltartaricacid:

1. extracted from natural tartaric acid.

2. through chemical synthesis, the reaction of tartaric acid and acetic anhydride.

Regarding the safety information of Diacetyltartaricacid, the current research shows that it is a safer chemical, but the following matters still need to be paid attention:

1. use to comply with the relevant safety procedures, such as wearing protective gloves and glasses.

2. avoid contact with skin or eyes, such as accidental contact, please rinse with plenty of water.

3. storage should be sealed, in a dry, cool place, away from the fire and oxidant.

4. comply with regulations to prevent misuse or unauthorized exposure.

Last Update：2024-04-09 21:54:55