CAS:2144-08-3 | 2,3,4-Trihydroxybenzaldehyde

Products Description

The substance corresponding to CAS No. 2144 - 08 - 3 is 2,3,4 - Trihydroxybenzaldehyde, also known as Pyrogallol - 4 - carboxaldehyde. Its molecular formula is C₇H₆O₄ and its molecular weight is 154.12.

2,3,4 - Trihydroxybenzaldehyde appears as a slightly yellow crystalline powder or light brown needle-shaped crystals. Its melting point ranges from 159 - 161℃(lit.) or 161 - 163℃, and the density is 1.598g/cm³.

Regarding its chemical properties, there are hydrogen bonds in 2,3,4 - Trihydroxybenzaldehyde, where the 2 - hydroxyl and aldehyde groups form intramolecular hydrogen bonds. It can undergo condensation reactions with primary amines to form Schiff bases. Meanwhile, due to the presence of aldehyde and hydroxyl groups, it can undergo typical reactions such as oxidation, reduction, and addition of aldehyde groups, as well as substitution and esterification of hydroxyl groups.

Basic Info

Safety Information

Hazard statements: H315 (Causes skin irritation), H319 (Causes severe eye irritation), H335 (May cause respiratory irritation).
Warning statements: P261 (Avoid breathing dust/fume/gas/mist/vapor/spray), P264 (Wash thoroughly after handling), P271 (Use only outdoors or in a well-ventilated area), P280 (Wear protective gloves/protective clothing/eye protection/protective mask), P302+P352 (If on skin: Wash thoroughly with water), P305+P351+P338 (If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if worn and easily removable. Continue rinsing).
Hazard classification: Eye irritation Category 2, Skin irritation Category 2, Specific target organ toxicity single exposure Category 3.

Uses

2,3,4 - Trihydroxybenzaldehyde is not only an intermediate in the synthesis of benserazide but is also used to prepare compounds such as 1,5 - dimethyl - 2 - phenyl - 4 -((1E)-(2,3,4 - trihydroxybenzylidene)amino)-1H - pyrazol - 3(2H)-one.

Company Profile

Gnee Chemicals Ltd. is a market-oriented and innovation-driven chemical company. Through technological innovation, we are committed to solving technical bottlenecks in R&D and production, optimizing production processes, and building a full product chain covering advanced intermediates, anthelmintics and pesticide products, so as to provide high-quality, green and low-cost products and services for the global pharmaceutical market.

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