1,2,4-BENZENETRIOL
Synonyms. 1,2,4-Benzenetriol; 1,2,4-Trihydroxybenzene; Hydroxyhydroquinone; 1,3,4-Trihydroxybenzene; 2,5-Dihydroxyphenol; Hydroxyquinol; Oxyhydrochinon; Oxyhydroquinone;

1,2,4-BENZENETRIOL
 

PRODUCT IDENTIFICATION

CAS RN

 533-73-3

EINECS RN

 208-575-1

FORMULA

 C6H3(OH)3

MOLE WEIGHT

 126.11

H.S CODE

 2907.29.9000

SMILES

 c1(c(ccc(c1)O)O)O

CLASSIFICATION

  

EXTRA NOTES

  

 

PHYSICAL AND CHEMICAL PROPERTIES

PHYSICAL STATE.

grey crystal

MELTING POINT

 140 - 141 C (sublimes)

BOILING POINT

  

DENSITY

 

SOLUBILITY IN WATER

Freely soluble
SOLVENT SOLUBILITY  
pKa

 

log P(octanol-water)

0.55

AUTOIGNITION TEMP

  

REFRACTIVE INDEX

 

FLASH POINT

 

 
STABILITY AND REACTIVITY
STABILITY Stable under normal conditions. Air sensitive

INCOMPATIBLE MATERIALS

Acid chlorides, Acid anhydrides, Bases, Oxidizing agents
POLYMERIZATION

Has not been reported

NFPA RATINGS

Health hazard: 2, Flammability: 0, Physical hazards: 0

 

EXTERNAL LINKS & GENERAL DESCRIPTION

Wikipedia Linking - Hydroxyquinol

Google Scholar Search

Drug Information Portal (U.S. National Library of Medicine) - 1,2,4-Benzenetriol

PubChem Compound Summary - Hydroxyhydroquinone

KEGG (Kyoto Encyclopedia of Genes and Genomes) -  1,2,4-Benzenetriol

http://www.ebi.ac.uk/ - 1,2,4-Benzenetriol

http://www.ncbi.nlm.nih.gov/ - 1,2,4-Benzenetriol

Local
Trihydroxybenzenes have three hydroxyl groups in one benzene ring. They can derive numerous esters and salts. They are used as chemical intermediate to synthesis target molecules of pharmaceuticals, pesticides, stabilizer, antioxidant, colorants, perfumes, photoinitiators, and other organic compounds.

 

SALES SPECIFICATION

APPEARANCE

grey crystal

ASSAY

99.0% min

MELTING POINT

 137 ~ 140 C

LOSS ON DRYING

0.5% max

Fe

50ppm max

 

TRANSPORT & REGULATORY INFORMATION

UN NO.

 

HAZARD SYMBOL

 
PACKING GROUP  

 

SAFETY INFORMATION

HAZARD OVERVIEW

Harmful by ingestion., Irritant

SIGNAL WORD

Danger

PICTOGRAMS

HAZARD STATEMENTS

H302-H315-H318-H335

P STATEMENTS

P261-P280-P305 + P351 + P33
EC DIRECTIVES

 
HAZARD CODES

RISK PHRASES

22-37/38-41

SAFETY PHRASES

26-39

 

PACKING

 

 

PRICE INFORMATION