China Wholesale 3 4 5-Trioxybenzoic Acid Manufacturers - Propyl Gallate(Pharmaceutical Grade) – Sanjiang
China Wholesale 3 4 5-Trioxybenzoic Acid Manufacturers - Propyl Gallate(Pharmaceutical Grade) – Sanjiang Detail:
Product name: Propyl Gallate(Pharmaceutical grade)
is an ester formed by the condensation of gallic acid and propanol.
Since 1948, this antioxidant has been added to foods containing oils and fats to prevent oxidation
Appearance:White crystalline powder
Chemical name: Propyl 3,4,5-trihydroxybenzoate
Molecular formula: C10H12O5
Molecular weight: 212.2
Melting point:146-149 ℃
CAS Number:121-79-9
Alias: Propyl 3,4,5-trihydroxybenzoate; n-Propyl gallate; Gallic acid n-propyl ester; n-Propyl 3,4,5-trihydroxybenzoate; 3,4,5-Trihydroxybenzoic acid propyl ester; Gallic acid propyl ester; nipa 49; nipagallin p; n-propyl ester of 3,4,5-trihydroxybenzoic acid; Progallin P; Tenox PG
Properties
This product is white to milky white crystalline powder, odorless. Soluble in 1000 parts of water, 3 parts of ether or 2000 parts of peanut oil.
Specifications
Comply with national standards GB3263-82 and British Pharmacopoeia 2013 edition, US Pharmacopoeia 34th edition, chemical reagent standard, American food FCC-IV standard.
Application
Propyl Gallate(Pharmaceutical grade) may be used as a pharmaceutical reference standard for the determination of the analyte in pharmaceutical formulations and fatty liquids by chromatography and spectrophotometry. Pharmaceutical secondary standards for application in quality control, provide pharma laboratories and manufacturers with a convenient and cost-effective alternative to the preparation of in-house working standards.
Propyl gallate is a synthetic phenolic antioxidant (SPA) utilized in food additives to inhibit or regulate the lipid oxidation. SPAs are cost-effective, largely available and highly efficient in comparison to their natural counterparts.
Storage
Store in a closed container away from light and avoid contact with metal.
Packing
The product is packed in cardboard drums (¢ 360 × 500) with a net weight of 25 kg per barrel.
Specifications
Specifications |
Pharmaceutical grade |
Implementation standards |
BP2013 |
Content |
≥99.5% |
Loss on Drying |
≤0.5% |
Gallic Acid |
≤0.5% |
Ignited residue |
≤0.1% |
Melting point |
146-150 |
Heavy metal |
≤10ppm |
Pb |
1ppm max |
As |
3ppm max |
Hg |
1ppm |
Production scale |
200T/Y |
Packing |
cardboard bucket, 25kg/drum |
Product detail pictures:
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By Marcy Real from El Salvador - 2017.09.09 10:18
Good quality, reasonable prices, rich variety and perfect after-sales service, it's nice!
By Althea from Johannesburg - 2018.10.31 10:02