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Merck
CN

8.22029

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
UNSPSC Code:
12352106
EC Index Number:
206-361-2
NACRES:
NA.22
MDL number:
Assay:
≥98.0% (HPLC)
Form:
powder
Quality level:
Technical Service
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Quality Level

assay

≥98.0% (HPLC)

form

powder

mp

234-237 °C (decomposition)

storage temp.

2-30°C

SMILES string

Oc1c(ccc(c1)\C=C/C(=O)O)O

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

signalword

Warning

hcodes

Hazard Classifications

Carc. 2

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable



Certificates of Analysis (COA)

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Global Trade Item Number

SKUGTIN
822029001004022536482293