Gallic Acid (used as food additives)
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Post Date:
Jun 05,2013
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Expiry Date:
Dec 02,2013
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Detailed Description:
Cas No. :149-91-7
Chemical Name: 3,4,5 -Trihydroxy Benzoic Acid
CAS NO.: 149-91-7
Molecular Formula and Weight:C7H6O5
Appearance:White or grayish white crystalline powder
Property:solved in 85 shares of water, 6 shares of ethanol, 2 shares of boiling water; slightly soluble in aether.
Specification:
spec Industry grade Pharm grade Food grade
content ≥99%77777 ≥99.5% ≥99.5%
Drying loss ≤10% ≤10% ≤10%
Ignition residue ≤0.1% ≤0.1% ≤0.1%
APHA ≤180 ≤50 ≤0.1%
Arsenic ---- 0.0003% 0.0003%
Water soluble test ---- clear clear
Gallotannic acid test ---- clear clear
Sulphate(SO4-) ---- 0.01% 0.02%
Chloride(CL-) ---- 0.01% 0.02%
Chroma ---- 180 250
Packing PP+PE bags of 25 net each. 25kg/paperboard drum 25kg/paperboard drum
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CAS Registry Number:
149-91-7
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Synonyms:
;3,4,5-Trihydroxybenzoic acid;Pyrogallol-5-carboxylic acid;Gallic Acid Anhydrous;Gallic acid(anhydrous);Gallic Acid (Anhydrous & Monohydride);
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Molecular Formula:
C7H6O5
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Molecular Weight:
170.1195
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Molecular Structure:
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Hazard Symbols:
Xi:Irritant;
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Risk Codes:
R36/37/38:;
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Safety Description:
S24/25:;
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