CAS No.: | 147-71-7 |
---|---|
Formula: | C4h6o6 |
EINECS: | 201-766-0 |
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Specification of D-Tartaric acid 147-71-7 :
Item |
Specifications |
Results |
Description |
White crystals or white powder |
White crystals or white powder |
Specific Rotation [alpha/20/D] |
-12~-12.8 |
-12.22 |
Sulphate(SO4) |
≤0.05% |
≤0.01% |
Heavy metals(pb) |
≤0.001% |
<0.0006% |
Residue on ignition |
≤0.1% |
0.039% |
Loss on drying |
≤0.5% |
0.17% |
Assay |
≥99% |
99.85% |
Optical purity(ee value) |
≥99.0% |
99.80% |
Clarity test |
In accordance with the standard of experiment |
Qualified |
CAS No.
|
133-37-9
|
Other Names
|
DL-Tartaric Acid
|
MF
|
C4H6O6
|
EINECS No.
|
205-105-7
|
Place of Origin
|
China
|
Type
|
Acidity Regulators
|
Model Number
|
Food Grade
|
Model Number
|
FCHE-3
|
Product name
|
Tartaric Acid
|
Shape
|
White powder
|
Item
|
Index
|
Content
|
99.5~101.0
|
Appearance
|
White crystal powder
|
Specific rotation[a]D20
|
+12o~12.8 o
|
Heavy metals(on Pb)
|
≤0.001
|
Calcium (Ca)
|
≤0.02
|
Residue on ignition
|
≤0.05
|
Loss on drying
|
≤0.2
|
Oxalate(C2O4)
|
≤0.035
|
Sulphate(SO4)
|
≤0.015
|
Arsenic(As)
|
≤0.0003
|
Chloride (Cl)
|
≤0.01
|
Solubleness
|
Pass test
|
L (+) - tartaric acid is widely used in the following areas:
1, as an agent for adjusting the acid wines and other beverages in advanced;
2, the main raw material of food emulsifier DATEM is used in bread, cakes, ice cream and other foods;
3, the synthesis of chiral resolving agents and drug salt forming agent;
4, gypsum and cement retarder;
5, health care products and cosmetics ingredients;
6, metal surface cleaning and polishing preparations.