l( )-tartaric acid cas 87-69-4

描述

L( )-Tartaric acid Quick Details

Chemical Name: L( )-Tartaric acid

CAS No.: 87-69-4

Molecular Fomula: C4H6O6

Molecular weight: 150.09

Chemical Structure:

Appearance: Colorless crystals or white crystalline powder

Assay: 99.7-100.5%

L( )-Tartaric acidTypical Properties

Item	Specification
Description	Colorless crystals or white crystalline powder
Content %	99.7~100.5
Specific rotatory powder [a]D25℃[(°)·dm2kg-1]	12.0~ 13.0
Loss on drying %	≤0.5
Residue on ignition %	≤0.05
Sulfate (SO4)	Passes test
Oxalate	Passes test
Lead mg/kg	≤2

L( )-Tartaric acid Usage

As an antioxidant added to foods, foods can be sour. The largest use of tartaric acid is in beverage additives. It is also a raw material for the pharmaceutical industry. In the mirror industry, tartaric acid is an important auxiliaries and reducing agents that control the rate of formation of silver mirrors and achieve a very uniform coating.
Pharmaceutical intermediates, resolving agents; metal ion masking agents; anti-dyeing agents; chiral building blocks for natural products, also forming Diels-Alder catalysts with compound TiCl2(O-i-Pr)2
Used as a biochemical reagent, masking agent and beer foaming agent, also used in the tanning industry
L( )-tartaric acid is widely used as a sour agent in beverages and other foods for wines, soft drinks, confectionery, bread, and some gelatinous confections. Mainly used as a sour agent, a resolving agent and a pharmaceutical raw material

L( )-Tartaric acidPackaging and Shipping

25kgs per bag kgs

L( )-Tartaric acidStorage

dry cool place.