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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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5 G
€71.70

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Estimated to ship on05 April 2025

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5 G
€71.70

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

€71.70

Estimated to ship on05 April 2025

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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.[1]

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

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.

EU REACH Annex XVII (Restriction List)

CAS No.

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Certificates of Analysis (COA)

Lot/Batch Number
0000231371
0000219405
MKBZ2550V
MKBT1422V
MKBS6525V

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