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8.22161

Sigma-Aldrich

4-Hydroxy-3,5-dimethoxybenzoic acid

for synthesis

Synonym(s):

4-Hydroxy-3,5-dimethoxybenzoic acid, 3,5-Dimethoxy-4-hydroxybenzoic acid, Syringic acid

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About This Item

Linear Formula:
3,5-(CH3O)2-4-(OH)C6H2COOH
CAS Number:
Molecular Weight:
198.17
MDL number:
UNSPSC Code:
12352106
EC Index Number:
208-486-8
NACRES:
NA.22

Quality Level

assay

≥96.0% (acidimetric)

form

powder

mp

204-207 °C

storage temp.

2-30°C

InChI

1S/C9H10O5/c1-13-6-3-5(9(11)12)4-7(14-2)8(6)10/h3-4,10H,1-2H3,(H,11,12)

InChI key

JMSVCTWVEWCHDZ-UHFFFAOYSA-N

Analysis Note

Assay (acidimetric): ≥ 96.0 %
Melting range (lower value): ≥ 205 °C
Melting range (upper value): ≤ 209 °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


Certificates of Analysis (COA)

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