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8.22029

Sigma-Aldrich

3,4-Dihydroxycinnamic acid

for synthesis

Synonym(s):

3,4-Dihydroxycinnamic acid, Caffeic acid

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About This Item

Linear Formula:
(OH)2C6H3CHCHCOOH
CAS Number:
Molecular Weight:
180.16
MDL number:
UNSPSC Code:
12352106
EC Index Number:
206-361-2
NACRES:
NA.22

Quality Level

Assay

≥98.0% (HPLC)

form

powder

mp

234-237 °C (decomposition)

storage temp.

2-30°C

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-RQOWECAXSA-N

Analysis Note

Assay (HPLC, area%): ≥ 98.0 % (a/a)
Identity (IR): passes test

Pictograms

Health hazard

Signal Word

Warning

Hazard Statements

Hazard Classifications

Carc. 2

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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