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MilliporeSigma

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
NACRES:
NA.22

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Quality Level

assay

≥98.0% (HPLC)

form

powder

mp

152-156 °C

storage temp.

2-30°C

SMILES string

Oc1c(ccc(c1)C=O)O

InChI

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

InChI key

IBGBGRVKPALMCQ-UHFFFAOYSA-N

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This Item
8.045368.00640D108405
assay

≥98.0% (HPLC)

assay

≥98% (HPLC)

assay

≥99% (GC)

assay

97%

Quality Level

200, 300

Quality Level

200

Quality Level

200

Quality Level

100

form

powder

form

powder

form

liquid

form

powder

mp

152-156 °C

mp

116 °C

mp

-7 °C

mp

150-157 °C (lit.)

storage temp.

2-30°C

storage temp.

2-30°C

storage temp.

2-30°C

storage temp.

-

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

signalword

Warning

Hazard Classifications

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

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_c

Not applicable


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