Gallic Acid Anhydrous CAS NO:149-91-7 and Gallic Acid Mono CAS 5995-86-8 Preservative and 3,4,5-trih

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Delivery term: The date of payment from buyers deliver within days
seat: Hubei
Validity to: Long-term effective
Last update: 2019-08-24 20:38
Browse the number: 117
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Product details

Name: Gallic acid

CAS NO: 149-91-7

Flavis NO:08.080

Chemical Name: 3,4,5-Trihydroxybenzoic acid

Structural formula:

Molecular formula & Molecular weight: C7H8O6 / 88.13

Appearance: White or grayish white crystalline powder

Spec: Comply with GB, USP, EP, BP, JIS etc.

Usage: It demonstrates antioxidant activity by scavenging 2,2-diphenyl-1-picrylhydrazyl and hydroxyl free radicals with IC50 values of 9.4 and 191 μM, respectively, and inhibiting microsomal lipid peroxidation with an IC50 value of 1.51 μM. It’s a good antioxidant,improve the non-biological stability and flavor of food.

Storage: Moistureproof and avoid light, sealed storage

Packing: 25kgs/bag or drum

Capacity: 1000MT/year



Content (Dry Basis))(%)


Loss on drying(%)


Tannic acid test

No cloudy

Water dissolved experiment

No cloudy

Chroma(Platinum-cobalt color number)


Sulphated ash(%)

≤0.01 %

Residue On Ignition(%)







Total Plate Count: <100 cfu/g  

Yeast &Mold: <100 cfu/g  

E.Coli: Negative 

S. Aureus: Negative 

Salmonella: Negative

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