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Disodium tartrate dihydrate

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Origin: China

Cas No: 6106-24-7

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 100 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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Product Description

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CAS No.: 6106-24-7 Formula: C4H8Na2O8 Molecular Weight: 230.08100

Description

Sodium tartrate (Na2C4H4O6) is used as an emulsifier and a binding agent in food products such as jellies, margarine, and sausage casings. As a food additive, it is known by the E number E335.
Because its crystal structure captures a very precise amount of water, it is also a common primary standard for Karl Fischer titration, a common technique to assay water content.

Basic Info

Chemical Name	Disodium tartrate dihydrate
Synonyms	disodium,2,3-dihydroxybutanedioate,dihydrate; Butanedioic acid, 2,3-dihydroxy- [R-(R,R)]-, disodium salt, dihydrate;
CAS No.	6106-24-7
Molecular Formula	C4H8Na2O8
Molecular Weight	230.08100
PSA	139.18000
LogP	-4.92060

Properties

Appearance & Physical State	white crystalline powder
Density	1.82 g/cm3
Boiling Point	399.3ºC at 760 mmHg
Melting Point	150ºC -2H2O
Flash Point	209.4ºC
Water Solubility	290 g/L (20 ºC)
Stability	Stable. Incompatible with strong oxidizing agents.

Safety Info

RTECS	WW8150000
Safety Statements	S24/25
HS Code	2918130000
WGK Germany	3
Risk Statements	R36/37/38
Hazard Codes	Xi

Synthesis Route

sodium ammonium (+)-tartrate tetrahydrate→Disodium tartrate dihydrate
Potassium sodium tartrate tetrahydrate→Disodium tartrate dihydrate
2,3-dihydroxybutanedioic acid+sodium carbonate→Disodium tartrate dihydrate

Precursor

sodium carbonate
2,3-dihydroxybutanedioic acid
sodium ammonium (+)-tartrate tetrahydrate
Potassium sodium tartrate tetrahydrate

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