2,4-Dihydroxybenzaldehyde

Synonym(s):ß-Resorcylaldehyde;β-Resorcylaldehyde;2,4-Dihydroxybenzaldehyde

CAS NO.：95-01-2
Empirical Formula: C7H6O3
Molecular Weight: 138.12
MDL number: MFCD00011686
EINECS: 202-383-1
SAFETY DATA SHEET (SDS)
Update Date: 2025-12-08 19:11:55

What is 2,4-Dihydroxybenzaldehyde?

Chemical properties

2,4-Dihydroxybenzaldehyde is cream to light brown solid

The Uses of 2,4-Dihydroxybenzaldehyde

2,4-Dihydroxybenzaldehyde is a resorcinol (R144700) derivative with potent antioxidative and antibacterial activity.

The Uses of 2,4-Dihydroxybenzaldehyde

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

The Uses of 2,4-Dihydroxybenzaldehyde

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

What are the applications of Application

2,4-Dihydroxybenzaldehyde is a resorcinol (sc-203371) derivative with potent antioxidative and antibacterial activity

Definition

ChEBI: 2,4-dihydroxybenzaldehyde is a dihydroxybenzaldehyde that is resorcinol which has been substituted by a formyl group para to one of the hydroxy groups.

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.

Properties of 2,4-Dihydroxybenzaldehyde

Melting point:	135-137 °C (lit.)
Boiling point:	220-228 °C/22 mmHg (lit.)
Density	1.2667 (rough estimate)
refractive index	1.4600 (estimate)
Flash point:	220°C/22mm
storage temp.	Store below +30°C.
solubility	DMSO (Slightly), Ethyl Acetate (Slightly), Methanol (Slightly)
form	Crystalline Powder
pka	7.56±0.18(Predicted)
color	White to beige
Water Solubility	soluble
Sensitive	Air Sensitive
Merck	14,8156
BRN	878548
Stability:	Stable. May be air sensitive. Combustible. Incompatible with strong oxidizing agents.
CAS DataBase Reference	95-01-2(CAS DataBase Reference)
NIST Chemistry Reference	Benzaldehyde, 2,4-dihydroxy-(95-01-2)
EPA Substance Registry System	Benzaldehyde, 2,4-dihydroxy- (95-01-2)

Safety information for 2,4-Dihydroxybenzaldehyde

Signal word	Warning
Pictogram(s)	Exclamation Mark Irritant GHS07
GHS Hazard Statements	H302:Acute toxicity,oral H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes	P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P270:Do not eat, drink or smoke when using this product. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.