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Caffeic Acid
Product Details
Category
Antioxidant Cosmetic Chemicals
Molecular Formula
C9H8O4
CAS Number
331-39-5
Synonyms
3,4-Dihydroxybenzeneacrylic acid, 3,4-Dihydroxycinnamic acid, 3-(3,4-Dihydroxyphenyl)-2-propenoic acid
Purity
≥98.0% (HPLC)
Solubility
Soluble in DMSO (40 mg/mL), ethanol (25 mg/mL warm), DMF (~7 mg/mL), PBS, PH 7.2 (~0.65 mg/mL), hot water, ethyl acetate, Chloroform Hexane, and methanol.
Application
Caffeic acid has been used as a standard of phenolic acid in the study to determine the total phenolic acid content in vegetables after subjecting to alkaline and acid hydrolysis. It has also been used to determine its antioxidant activity by various assay methods.
Boiling Point
~416.8° C at 760 mmHg (Predicted)
Melting Point
211-213 °C (dec.) (lit.)
Density
~1.5 g/cm3 (Predicted)
Product Description
Caffeic acid exists in its free and ester form. It is considered as the predominant polyphenol, contributing to the hydroxycinnamic acid content in various fruits. Coffee is one of the major source of caffeic acid.
EC Number
206-361-2
Molecular Weight (g/mol)
180.16
Physical State
Powder
MDL number
MFCD00004392
NACRES
NA.77
Refractive Index
n20D 1.71
InChI Key
QAIPRVGONGVQAS-DUXPYHPUSA-N
SMILES
OC(=O)\C=C\c1ccc(O)c(O)c1
InChI
1S/C9H8O4/c10-7-3-1-6(5-8(7)11)2-4-9(12)13/h1-5,10-11H,(H,12,13)/b4-2+
Hazard Codes
Xn,Xi
Safety Statements
26-36/37/39-36
WGK Germany
3
RTECS
GD8950000
HS Code
29182990
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