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8.20599

Sigma-Aldrich

Propyl 3,4,5-trihydroxybenzoate

for synthesis

Synonym(s):

Propyl 3,4,5-trihydroxybenzoate, Propyl gallate, Gallic acid propyl ester, 3,4,5-Trihydroxybenzoic acid propyl ester

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About This Item

Linear Formula:
3,4,5-(OH)3C6H2COOCH2CH2CH3
CAS Number:
Molecular Weight:
212.20
MDL number:
UNSPSC Code:
12352108
EC Index Number:
204-498-2

Quality Level

assay

≥98.0% (acidimetric)

form

powder

potency

2100 mg/kg LD50, oral (Rat)

mp

145-148 °C

transition temp

flash point 187 °C

solubility

3.5 g/L

storage temp.

2-30°C

InChI

1S/C10H12O5/c1-2-3-15-10(14)6-4-7(11)9(13)8(12)5-6/h4-5,11-13H,2-3H2,1H3

InChI key

ZTHYODDOHIVTJV-UHFFFAOYSA-N

Application

<ul>
<li><strong>Antioxidant Capacity Assessment:</strong> Propyl 3,4,5-trihydroxybenzoate, identified as a potent antioxidant and has been added to foods containing oils and fats to prevent oxidation (Prieto et al., 2014).</li>
</ul>

Analysis Note

Assay (acidimetric): ≥ 98.0 %
Melting range (lower value): ≥ 146 °C
Melting range (upper value): ≤ 150 °C
Identity (IR): passes test

signalword

Danger

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1 - Skin Sens. 1

Storage Class

13 - Non Combustible Solids

wgk_germany

WGK 2

flash_point_f

368.6 °F - closed cup

flash_point_c

187 °C - closed cup


Certificates of Analysis (COA)

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