135011

1,2-Dihydroxybenzene

ReagentPlus^®, ≥99%

• Synonym(s): Pyrocatechol, 1,2-Benzenediol, 1,2-Dihydroxybenzene, 2-Hydroxyphenol, Catechol
• Linear Formula: C₆H₄-1,2-(OH)₂
• CAS Number: 120-80-9
• Molecular Weight: 110.11
• Beilstein: 471401
• EC Number: 204-427-5
• MDL number: MFCD00002188
• PubChem Substance ID: 24848193
• NACRES: NA.21

Properties

• vapor density: 3.8 (vs air)
• Quality Level: 200
• vapor pressure: 1 mmHg ( 75 °C); 10 mmHg ( 118.3 °C)
• product line: ReagentPlus^®
• assay: ≥99%
• form: solid
• bp: 245 °C (lit.)
• mp: 100-103 °C (lit.)
• SMILES string: Oc1ccccc1O
• InChI: 1S/C6H6O2/c7-5-3-1-2-4-6(5)8/h1-4,7-8H
• InChI key: YCIMNLLNPGFGHC-UHFFFAOYSA-N

Description

General description

1,2-Dihydroxybenzene (a phenolic compound) is a useful industrial chemical. It is an ortho isomeric form of dihydroxybenzene. It is commonly referred to as catechol or pyrocatechol. Its standard molar enthalpy of combustion and sublimation at 298.15K have been evaluated by static-bomb calorimetry and microcalorimetry, respectively.

Application

1,2-Dihydroxybenzene may be used as raw material for the industrial synthesis of rubber, dyes, plastics, pharmaceuticals and cosmetics.
1,2-Dihydroxybenzene in combination with amberlite XAD-2, can be used as a chelating resin in the determination of metal ions, using atomic absorption spectrophotometry (AAS).

Packaging

5, 100, 500 g in glass bottle

3, 5 kg in fiber drum

Legal Information

ReagentPlus is a registered trademark of Sigma-Aldrich Co. LLC

Safety Information

• Pictograms: GHS05,GHS06,GHS08
• Signal Word: Danger
• Hazard Statements: H301 + H311 - H315 - H317 - H318 - H341 - H350
• Precautionary Statements: P202 - P261 - P280 - P301 + P310 - P302 + P352 + P312 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 3 Dermal - Acute Tox. 3 Oral - Carc. 1B - Eye Dam. 1 - Muta. 2 - Skin Irrit. 2 - Skin Sens. 1
• Storage Class Code: 6.1C - Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
• WGK: WGK 2
• Flash Point(F): 260.6 °F - closed cup
• Flash Point(C): 127 °C - closed cup
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves