Merck
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430749

Sigma-Aldrich

Pyrocatechol

purified by sublimation, ≥99.5%

Synonym(s):
1,2-Benzenediol, 1,2-Dihydroxybenzene, 2-Hydroxyphenol, Catechol
Linear Formula:
C6H4-1,2-(OH)2
CAS Number:
Molecular Weight:
110.11
Beilstein:
471401
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.21

material

white

Quality Level

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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This Item
8.22261PHL82372135011
Pyrocatechol purified by sublimation, ≥99.5%

Sigma-Aldrich

430749

Pyrocatechol

Pyrocatechol for synthesis

Sigma-Aldrich

8.22261

Pyrocatechol

Catechol phyproof® Reference Substance

PHL82372

Catechol

1,2-Dihydroxybenzene ReagentPlus®, ≥99%

Sigma-Aldrich

135011

1,2-Dihydroxybenzene

assay

≥99.5%

assay

≥99.0% (GC)

assay

≥95.0% (GC)

assay

≥99%

bp

245 °C (lit.)

bp

-

bp

245 °C (lit.)

bp

245 °C (lit.)

mp

100-103 °C (lit.)

mp

103-105 °C

mp

100-103 °C (lit.)

mp

100-103 °C (lit.)

Quality Level

100

Quality Level

200

Quality Level

-

Quality Level

200

material

white

material

-

material

-

material

-

vapor density

3.8 (vs air)

vapor density

-

vapor density

3.8 (vs air)

vapor density

3.8 (vs air)

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 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

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.

PDSCL

Deleterious substance

ISHL Indicated Name

Substances Subject to be Indicated Names

ISHL Notified Names

Substances Subject to be Notified Names

JAN Code

430749-5G:4.548173342665E12


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