MESOTARTARIC ACID Property

Melting point:

165-166 °C (anhydrous)(lit.)

Boiling point:

191.59°C (rough estimate)

alpha 

-0.1～+0.1°(D/20℃)(c=5, H2O)

Density 

1.4076 (rough estimate)

refractive index 

1.5860 (estimate)

FEMA 

3044 | TARTARIC ACID (D-, L-, DL-, MESO-)

solubility 

Water (Sparingly)

form 

Solid

pka

3.17, 4.91(at 25℃)

color 

White to Off-White

PH

3.24(1 mM solution);2.62(10 mM solution);2.08(100 mM solution)

Water Solubility 

560g/L(20 ºC)

JECFA Number

621

CAS DataBase Reference

147-73-9

EPA Substance Registry System

Butanedioic acid, 2,3-dihydroxy-, (2R,3S)-rel- (147-73-9)

Safety

Hazard Codes 

Xi

Risk Statements 

36/37/38

Safety Statements 

26-36/37

WGK Germany 

3

Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

Precautionary statements

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P321Specific treatment (see … on this label).

P332+P313IF SKIN irritation occurs: Get medical advice/attention.

P362Take off contaminated clothing and wash before reuse.

MESOTARTARIC ACID Chemical Properties,Usage,Production

Definition

ChEBI: A 2,3-dihydroxybutanedioic acid that has meso configuration.

Purification Methods

Crystallise it from water, wash it with cold MeOH and dry it at 60o under vacuum. [Beilstein 3 IV 1218.]