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5-Hydroxyvanillin

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5-Hydroxyvanillin Basic information

Product Name:
5-Hydroxyvanillin
Synonyms:
  • 5-Hydroxyvanilline
  • 3,4-dihydroxy-5-methoxy-benzaldehyd
  • 5-methoxy-protocatechualdehyd
  • 5-Methoxyprotocatechualdehyde
  • Benzaldehyde, 3,4-dihydroxy-5-methoxy-
  • Protocatechualdehyde, 5-methoxy-
  • 5-METHOXY-3,4-DIHYDROXYBENZALDEHYDE
  • 5-hydroxyvanillin
CAS:
3934-87-0
MF:
C8H8O4
MW:
168.15
EINECS:
223-513-3
Product Categories:
  • Benzaldehyde
  • Aldehydes
  • FINE Chemical & INTERMEDIATES
  • Aromatic Aldehydes & Derivatives (substituted)
  • C8
  • Carbonyl Compounds
Mol File:
3934-87-0.mol
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5-Hydroxyvanillin Chemical Properties

Melting point:
131-134°C
Boiling point:
339.9±37.0 °C(Predicted)
Density 
1.378±0.06 g/cm3(Predicted)
storage temp. 
under inert gas (nitrogen or Argon) at 2-8°C
pka
7.63±0.23(Predicted)
form 
solid
color 
Light grey/ brown
InChIKey
RRKMWVISRMWBAL-UHFFFAOYSA-N
LogP
1.050 (est)
CAS DataBase Reference
3934-87-0(CAS DataBase Reference)
NIST Chemistry Reference
3,4-Dihydroxy-5-methoxybenzaldehyde(3934-87-0)
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Safety Information

Hazard Codes 
Xi
Risk Statements 
36/37/38
Safety Statements 
26-36
WGK Germany 
3
RTECS 
CU5620000
HS Code 
2912490090
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5-Hydroxyvanillin Usage And Synthesis

Uses

3,4-Dihydroxy-5-methoxybenzaldehyde may be used for the preparation of 3,4-dihydroxy-6-methoxy-β-nitrostyrene and 5-hydroxyconiferyl alcohol.

Synthesis Reference(s)

Synthetic Communications, 18, p. 507, 1988 DOI: 10.1080/00397918808060744

General Description

3,4-Dihydroxy-5-methoxybenzaldehyde can be obtained by reactting 5-iodovaniliin with sodium hydroxide and copper sulfate solution.

Synthesis

The bromination reaction of vanillal and bromine generate 5-bromovanillal, which is then reacted with sodium hydroxide solution under the participation of copper powder to give 5-Hydroxyvanillin.

5-Hydroxyvanillin Preparation Products And Raw materials

Raw materials

5-HydroxyvanillinSupplier

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