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Merck

430749

Pyrocatechol

≥99.5%, purified by sublimation

Synonym(s):

1,2-Benzenediol, 1,2-Dihydroxybenzene, 2-Hydroxyphenol, Catechol

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About This Item

Linear Formula:
C6H4-1,2-(OH)2
CAS Number:
120-80-9
Molecular Weight:
110.11
NACRES:
NA.21
PubChem Substance ID:
57650141
UNSPSC Code:
12352100
EC Number:
204-427-5
MDL number:
MFCD00002188
Beilstein/REAXYS Number:
471401
Assay:
≥99.5%

Key Documents

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Product Name

Pyrocatechol, purified by sublimation, ≥99.5%

material

white

Quality Level

100

vapor density

3.8 (vs air)

vapor pressure

1 mmHg ( 75 °C), 10 mmHg ( 118.3 °C)

assay

≥99.5%

purified by

sublimation

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

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Related Categories

Application

Pyrocatechol may be used in the synthesis of micro-mesoporous carbon aerogels.

signalword

Danger

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

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

wgk

WGK 3

flash_point_f

260.6 °F - closed cup

flash_point_c

127 °C - closed cup

ppe

dust mask type N95 (US), Eyeshields, Faceshields, Gloves

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

120-80-9

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Adsorbate-induced modification of surface electronic structure: pyrocatechol adsorption on the anatase TiO2 (101) and rutile TiO2 (110) surfaces.
Syres KL, et al.
The Journal of Physical Chemistry C, 116(44), 23515-23525 (2012)
Surface characteristics and electrochemical capacitances of carbon aerogels obtained from resorcinol and pyrocatechol using boric and oxalic acids as polymerization catalysts.
Moreno-Castilla C, et al.
Carbon, 49(12), 3808-3819 (2011)
Eagleson M.
Concise Encyclopedia Chemistry, 915-915 (1994)
Myung-Hyun Ryou et al.
Advanced materials (Deerfield Beach, Fla.), 25(11), 1571-1576 (2013-01-03)
Conjugation of mussel-inspired catechol groups to various polymer backbones results in materials suitable as silicon anode binders. The unique wetness-resistant adhesion provided by the catechol groups allows the silicon nanoparticle electrodes to maintain their structure throughout the repeated volume expansion
R D Irons
Journal of toxicology and environmental health, 16(5), 673-678 (1985-01-01)
Occupational exposure to benzene has long been associated with toxicity to the blood and bone marrow, including lymphocytopenia, pancytopenia, aplastic anemia, acute myelogenous leukemia, and possibly lymphoma. A variety of studies have established that benzene itself is not the toxic
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