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Sodium Tartrate

Sodium Tartrate / CAS : 51307-92-7

Appearance Transparent colorless prismatic crystal or white crystalline powder. Odour less.Salty. The air is slightly hygroscopic. Soluble in water (1 g / 3 ml), aqueous solution is left-handed, show neuter, 5% aqueous solution of the pH 7 ~ 9. Insoluble in ethanol, ethyl ether. 120 ℃ when losing water of crystallization, and then heat decomposition. When burning emit the smell of burning sugar and its residue (ash) shows strong alkaline, acid to produce bubbles. UN -
HS 29181300 DG Class -
Synonyms Tartaric Acid,Disodium Salt; Disodium Tartrate; Bisodium Tartrate; Sodium 2,3-Dihydroxysuccinate; Sodium (Dl)-(+/-)-Tartrate; Disodium 2,3-Dihydroxybutanedioate; Disodium,(2R,3R)-2,3-Dihydroxybutanedioate
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Properties

Summary

Formula
C4H4Na2O6
Molecular Mass
194.05000
Exact Mass
193.98000
PSA
120.72000
Logp
-4.79200
IUPAC
disodium;2,3-dihydroxybutanedioate
SMILES
C(C(C(=O)[O-])O)(C(=O)[O-])O.[Na+].[Na+]

Attribute classification

Matter Classification
organic
Category
Food(Feed) Additives > Food Additive

Chemical and Physical Properties

Melting Point
170 至 180 ℃
Density
1.818
Boiling Point
399.3 °C at 760 mmHg
Flash Point
209.4 °C
Appearance
Transparent colorless prismatic crystal or white crystalline powder. Odour less.Salty. The air is slightly hygroscopic. Soluble in water (1 g / 3 ml), aqueous solution is left-handed, show neuter, 5% aqueous solution of the pH 7 ~ 9. Insoluble in ethanol, ethyl ether. 120 ℃ when losing water of crystallization, and then heat decomposition. When burning emit the smell of burning sugar and its residue (ash) shows strong alkaline, acid to produce bubbles.
Acidity and Basicity
alkalinity

Export information

HS Code
29181300
Export Rebate
13%

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