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168637

Sigma-Aldrich

2,4-Dihydroxybenzaldehyde

98%

Synonym(s):
β-Resorcylaldehyde
Linear Formula:
(HO)2C6H3CHO
CAS Number:
Molecular Weight:
138.12
Beilstein:
878548
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.22

Quality Level

Assay

98%

form

powder

bp

220-228 °C/22 mmHg (lit.)

mp

135-137 °C (lit.)

SMILES string

[H]C(=O)c1ccc(O)cc1O

InChI

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

InChI key

IUNJCFABHJZSKB-UHFFFAOYSA-N

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This Item
260843189839368113
assay

98%

assay

98%

assay

97%

assay

98%

form

powder

form

powder

form

-

form

-

bp

220-228 °C/22 mmHg (lit.)

bp

-

bp

-

bp

-

mp

135-137 °C (lit.)

mp

159-161 °C (lit.)

mp

104-108 °C (lit.)

mp

153-158 °C (lit.)

Quality Level

100

Quality Level

200

Quality Level

200

Quality Level

100

General description

2,4-Dihydroxybenzaldehyde undergoes regioselective mono-benzylation reaction under extremely mild basic conditions. It undergoes condensation reaction with isonicotinic acid hydrazide in methanol to yield 2,4-dihydroxybenzaldehyde isonicotinoyl hydrazone, a new fluorescent reagent.

Application

2,4-Dihydroxybenzaldehyde was used in two-step synthesis of ethyl 3,5-dibromo-2,4-dihydroxycinnamate.

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

Acute Tox. 4 Oral - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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