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Process: It is extracted by water, then going through concentration, spay-drying to obtain the Tannic Acid powder.
Synonyms: Tannin, Gallotannic Acid
Molecular Formula: C76H52O46
CAS# 1401-55-4
EINECS: 215-753-2
Molecular Weight: 1701.18
Tannic Acid Tech Grade, 81% min | ||
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Botanicals: |
It is extracted from Chinese Gallnuts ( Galla Chinensis) | |
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Process: |
It is extracted by water, then going through concentration, spay-drying to obtain the Tannic Acid powder. | |
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Synonyms: |
Tannin, Gallotannic Acid | |
|
Molecular Formula: |
C76H52O46 | |
|
CAS# |
1401-55-4 | |
|
EINECS: |
215-753-2 | |
|
Molecular Weight: |
1701.18 | |
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Specifications: |
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Item |
Unit |
Requirement (LY/T 1300-2005) |
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Appearance |
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Light yellow to light brown powder |
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Content |
% |
81.0 min |
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Loss of drying |
% |
9.0 max |
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Dissoluble in water |
% |
0.60 max |
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Color |
Lovibond Unit |
2.0 max |
Application:
It is used as depressant in flotation in mining industry, for the extraction of germanium, ink making, rust preventer for metals, and drilling fluid additive in petroleum.
Packing:
In 25 kg net PP woven bag or paper bag.
Storage Recommendations:
Preserve in tight, light-resistant containers.
Shelf Life:
24 months under above-mentioned conditions and in unopened container.