L-Tartaric Acid, CAS No. 87-69-4

• CAS No.: 87-69-4
• Formula: C4h6o6
• EINECS: 201-766-0
• Grade Standard: Food Grade
• Transport Package: Bags
• Trademark: Longze Chem
• Origin: China
• HS Code: 2918120000

Product Description

Product Description

Name: L(+)-Tartaric Acid
CAS No.: 87-69-4
Appearance: White crystal
Assay: 99.7~100.5%
 

Synonyms: (+)-Tartaric acid
                  L(+)-Dihydroxysuccinic acid
                  Natural tartaric acid
Molecular Formula: C4H6O6
Molecular Weight: 150.09
EINECS: 201-766-0
FEMA: 3044
Density: 1.76
 

Product Parameters

Item	Specification	Results
Appearance	Colorless translucent crystals or white powder	Colorless translucent crystals
Content (C4H6O6) Wt %	99.7 ~ 100.5	99.9
Specific Rotation (25,D)ºC	+12.0~+13.0	+12.5
Arsenic,mg/kg	2 max	<2
Lead, (Pb) mg/kg	2 max	<2
Residue on ignition,Wt %	0.05 max	0.04

 

Application

L-Tartaric acid is widely used as an acidity agent in beverages and other foods, used in wine, soft drinks, candies, bread, and certain gummy desserts.
Its optical activity is used as a chemical resolution agent for the resolution of DL aminobutanol, an intermediate of anti tuberculosis drugs;
It can also be used as a chiral raw material for the synthesis of tartaric acid derivatives;
Using its acidity as a catalyst for polyester fabric tree chemical book resin finishing, and as a pH regulator for the production of coumarin;
Utilizing its complexation properties, it can be used as a complexing agent, masking agent, chelating agent, and anti dyeing agent in electroplating, desulfurization, acid washing, chemical analysis, and pharmaceutical inspection;
Utilize its reducibility as a reducing agent in chemical mirror manufacturing.
A developing agent for photography. It can also chelate with various metal ions and serve as a cleaning and polishing agent for metal surfaces.
 

 

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