Salts & Minerals
REACH
Sodium tartrate dihydrate
CAS Number
6106-24-7
EC Number
612-074-7
What is Sodium tartrate dihydrate?
Sodium tartrate dihydrate (CAS 6106-24-7), also known as disodium tartrate dihydrate, is the hydrated sodium salt of tartaric acid.
Where is Sodium tartrate dihydrate used?
- Food processing: pH buffer in confectionery, jams and beverages
- Pharmaceuticals: buffering agent in oral and topical preparations
- Personal care: emulsion stabilizer and pH adjuster in creams, lotions and cleansing products
- It also serves as a calibration standard and reagent in analytical and quality control laboratories.
Good to know: Food-grade material conforms to FCC standards; reagent grades meet ACS requirements. Other grades may meet Ph. Eur. requirements depending on the application.
Commercial specifications
- Packaging from small laboratory quantities to bulk industrial quantities
Other Names (Synonyms)
Disodium tartrate dihydrate|Disodium tartarate dihydrate|Sodium tartrate dihydrate [MI]|DIA7C37AOW|Tartaric acid, disodium salt, dihydrate|SODIUM TARTRATE DIHYDRATE [USP-RS]|Butanedioic acid, 2,3-dihydroxy- (2R,3R)-, sodium salt, hydrate (1:2:2)|Butanedioic acid, 2,3-dihydroxy- [R-(R*,R*)]-, disodium salt, dihydrate
What are the physical properties of Sodium tartrate dihydrate?
Melting Point 150°C -2H₂O
Density 1,82 g/cm 3
Appearance white crystalline powder
Color White or colorless
Form Powder/Solid
Water Solubility 290 g/L (20 ºC)
pH 7.0-9.0 (25℃, 0.1M in H2O)
Which trade and regulatory codes apply to Sodium tartrate dihydrate?
HS Code 29181300
WGK (Germany) 3