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

Chemical name: Propyl 3,4,5-trihydroxybenzoate

Molecular formula: C₁₀H₁₂O₅

Molecular weight: 212.21

Properties: this product is white to milk white crystalline powder, no odor.

Specification: meets national standard GB3263-82 and British Pharmacopoeia 2000 edition, United States Pharmacopeia 26 edition, chemical reagent standard, American food FCC-IV standard.

Quality index:

Content: 98-102%

Melting point:  46-150℃

Arsenic salt:  ≤0.0003%

Heavy metal: ≤0.001%

Drying loss:    ≤0.5%

Ignition residue:    ≤0.1%

Pigment: ≤50

Uses: this product is mainly used as antioxidant additive in fatty, grease-contained food, and pharmaceutical reagent.

Storage: keep in airtight container, avoid contact with metal.

Packing: packed by round fiber can (￠360×500), net weight 25kg/drum.