Propyl Gallate
Cas No.：121-79-9
Standard：USP/BP/FCC/E320
Synonym: Propyl 3,4,5-trihydroxybenzoate; 3,4,5-Trihydroxybenzoic acid propyl ester
Molecular Formula: C10H12O5
Molecular Weight: 121-79-9
Molecular Structure: 
Specification:
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Item
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Standard
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Appearance
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white or ivory crystal powder
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Solubility
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Good solubility in hot water
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Propyl Gallate
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98~102%
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Lost on drying
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≤0.5%
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Melting point
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146~150
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Gallic acid
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≤0.5%,
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Sulphate
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0.1%
|
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Heavy metals
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≤10.0ppm
|
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As
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≤3.0ppm
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|
Pb
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≤5.0ppm
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|
Hg
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≤1.0ppm
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|
Zn
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≤25.0ppm
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Chlorides
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≤100.0ppm
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Total Chlorine
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≤200.0ppm
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Package: 25kg drum/bag or according to the requirements of customers.