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8.20475

Sigma-Aldrich

3,4-Dihydroxybenzaldehyde

for synthesis

Synonym(s):

3,4-Dihydroxybenzaldehyde, Protocatechualdehyde

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About This Item

Linear Formula:
3,4-(OH)2C6H3CHO
CAS Number:
Molecular Weight:
138.12
MDL number:
UNSPSC Code:
12352114
EC Index Number:
205-377-7

Quality Level

200
300

Assay

≥98.0% (HPLC)

form

powder

mp

152-156 °C

storage temp.

2-30°C

InChI

1S/C7H6O3/c8-4-5-1-2-6(9)7(10)3-5/h1-4,9-10H

InChI key

IBGBGRVKPALMCQ-UHFFFAOYSA-N

Analysis Note

Assay (HPLC, area%): ≥ 98.0 % (a/a)
Melting range (lower value): ≥ 152 °C
Melting range (upper value): ≤ 156 °C
Identity (IR): passes test

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

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