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Molecular Formula: C10H12O5
CAS# 121-79-9
EINECS: 204-498-2
Molecular Weight: 212.20
Propyl Gallate Food Grade E310
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Synonyms: |
Propyl gallate, propyl ester of gallic acid, n-propyl ester of 3,4,5-trihydroxybenzoic acid, propyl 3,4,5-trihydroxybenzoate |
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Molecular Formula: |
C10H12O5 |
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CAS# |
121-79-9 |
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EINECS: |
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Molecular Weight: |
212.20 |
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Specifications |
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Item |
Requirement |
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Appearance |
White or creamy-white, crystalline odourless solid |
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Solubility |
Slightly soluble in water; freely soluble in ethanol, ether and propane-1,2-diol |
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Assay（on dry base） |
98.0% - 102.0% |
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Melting Range |
146 -150℃ |
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Loss on Drying |
0.5% max , 110 oC for 4h |
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Sulfated ash |
0.1% max |
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Free Acid (as Gallic Acid) |
0.5% max |
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Chloride Organic compounds (as CL) |
100mg/kg max |
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Specific absorbent (E 1% 1 cm in ethanol at 275nm) |
485 - 520 |
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Arsenic |
3 mg/kg max |
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Lead |
1 mg/kg max |
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Mercury |
1 mg/kg max |
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Heavy Metals (Pb) |
10 mg/kg max |
Application:
Antioxidant.
Packing:
In fiber drums /paper bags /cartons, 25kg net each.
Storage Recommendations:
To be stored in cool & dry place (<25 ℃). Preserve in tight containers, protected from light, and avoid contact with metals.
Shelf Life:
24 months under above-mentioned conditions and in unopened container.