2,3,4-Trihydroxybenzaldehyde

CAS Number
2144-08-3
EC Number
218-404-2
Abbreviation
2,3,4-THB

What is 2,3,4-Trihydroxybenzaldehyde?

2,3,4-Trihydroxybenzaldehyde (CAS 2144-08-3), also referenced as 2,3,4-THB, is a polyphenolic aldehyde.

Where is 2,3,4-Trihydroxybenzaldehyde used?

  • Pharmaceutical development: bioactive intermediate and antioxidant stabilizer
  • Active ingredient synthesis and finished dosage formulations
  • Cosmetics: UV-protective and preservation properties in skincare
  • Flavor and fragrance compounding: aldehyde and phenolic character
  • Fine chemicals: building block for heterocyclic compounds and novel bioactive molecules
  • It functions as an antioxidant, antimicrobial agent, and UV stabilizer in formulated products.

Good to know: High-purity specifications typically exceed 98%.

Commercial specifications

  • High-purity specifications typically exceeding 98%
  • Packaging from small laboratory quantities to bulk orders

Other Names (Synonyms)

Benzaldehyde, 2,3,4-trihydroxy-|3-08-00-03357 (Beilstein Handbook Reference)|3,4-Dihydroxysalicylaldehyde|2,3,4-Trihydroxybenzaldeyde|SOY OLIGOSACCHARIDE|2,3,4-THB

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What are the physical properties of 2,3,4-Trihydroxybenzaldehyde?

Melting Point 230 °C (decomp)
Boiling Point 237.46°C (rough estimate)
Density 1.3725 (rough estimate)
Appearance light brown to beige-brown powder
Color Light brown to beige-brown
Form Powder
Water Solubility 1.541g/L at 25℃
Refractive Index 1.6400 (estimate)
Log P 1.25

How is 2,3,4-Trihydroxybenzaldehyde classified and handled safely? Learn More

Warning
GHS07· Irritant

Hazard Statements

H302 Harmful if swallowed
H315 Causes skin irritation
H319 Causes serious eye irritation
H335 May cause respiratory irritation
H412 Harmful to aquatic life with long lasting effects

Precautionary Statements

P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P264 Wash … thoroughly after handling.
P270 Do not eat, drink or smoke when using this product.
P271 Use only outdoors or in a well-ventilated area.

Which trade and regulatory codes apply to 2,3,4-Trihydroxybenzaldehyde?

HS Code 29124990
WGK (Germany) 2
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