MilliporeSigma
All Photos(4)

C9510

Sigma-Aldrich

Pyrocatechol

≥99%

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:

biological source

synthetic (organic)

Quality Level

vapor density

3.8 (vs air)

vapor pressure

1 mmHg ( 75 °C)
10 mmHg ( 118.3 °C)

assay

≥99%

form

powder

color

white to faint beige

bp

245 °C (lit.)

mp

100-103 °C (lit.)

solubility

water: 50 mg/mL, clear, colorless to faintly yellow

storage temp.

room temp

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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Packaging

100, 500 g in glass bottle
1 kg in glass bottle

Caution

May discolor on exposure to air and light.

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

Certificate of Analysis

Enter Lot Number to search for Certificate of Analysis (COA).

Certificate of Origin

Enter Lot Number to search for Certificate of Origin (COO).

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