Synonym: 3,4-Dihydroxybenzeneacrylic acid; 3,4-Dihydroxycinnamic acid; 3-(3,4-Dihydroxyphenyl)-2-propenoic acid
CAS Number: 331-39-5
Empirical Formula (Hill Notation): C9H8O4
Molecular Weight: 180.16
EC Number: 206-361-2
MDL Number: MFCD00004392
Linear Formula: (HO)2C6H3CH=CHCO2H
Product Type: Chemical
analyte chemical class(es) |
peptides, proteins |
assay |
≥99.0% (HPLC) |
cation traces |
Ba: ≤5 mg/kg |
|
Ca: ≤20 mg/kg |
|
Cd: ≤5 mg/kg |
|
Co: ≤5 mg/kg |
|
Cr: ≤5 mg/kg |
|
Cu: ≤5 mg/kg |
|
Fe: ≤20 mg/kg |
|
K: ≤50 mg/kg |
|
Mg: ≤5 mg/kg |
|
Mn: ≤5 mg/kg |
|
Na: ≤50 mg/kg |
|
Ni: ≤20 mg/kg |
|
Pb: ≤5 mg/kg |
|
Zn: ≤5 mg/kg |
color |
slightly beige |
form |
powder |
grade |
matrix substance for MALDI-MS |
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+ |
InChI key |
QAIPRVGONGVQAS-DUXPYHPUSA-N |
mp |
211-213 °C (dec.) (lit.) |
Quality Level |
100 |
SMILES string |
OC(=O)C=Cc1ccc(O)c(O)c1 |
suitability |
in accordance for UV test |
technique(s) |
MALDI-MS: suitable |
Application: |
Caffeic acid may be used as an electrocatalysis mediator in voltammetric determination of cysteamine (CA) in an aqueous buffer solution. |
Biochem/physiol Actions: |
A natural dietary phenolic compound found in plants that is an anti-oxidant. Inhibits the synthesis of leukotrienes that are involved in immunoregulation, inflammation and allergy. Inhibits Cu2+-induced LDL oxidation. |
General description: |
Caffeic acid is an antioxidant and the major hydroxycinnamic acid present in wine. It contains a catechol group with an α,β-unsaturated carboxylic acid chain with hepatoprotective properties. |
Symbol |
GHS08 |
Signal word |
Warning |
Hazard statements |
H351 |
Precautionary statements |
P280 |
Hazard Codes |
Xn |
Risk Statements |
63-36/37/38-40-68 |
Safety Statements |
26-36/37/39 |
RIDADR |
NONH for all modes of transport |
WGK Germany |
WGK 3 |
Flash Point(F) |
Not applicable |
Flash Point(C) |
Not applicable |
Purity |
≥99.0% (HPLC) |
mp |
211-213 °C (dec.) (lit.) |
UNSPSC |
12000000 |