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430749

Sigma-Aldrich

Pyrocatechol

purified by sublimation, ≥99.5%

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
Beilstein:
471401
EC Number:
204-427-5
MDL number:
MFCD00002188
UNSPSC Code:
12352100
PubChem Substance ID:
57650141
NACRES:
NA.21

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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Application

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

Signal Word

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 Code

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

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
MKBZ2550V
MKBT1422V
MKBS6525V
MKBP8815V
MKBJ7095V

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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.
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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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