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C9510

Sigma-Aldrich

Pyrocatechol

≥99%

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/REAXYS Number:
471401
EC Number:
204-427-5
MDL number:
MFCD00002188
UNSPSC Code:
12352104
PubChem Substance ID:
24278346
NACRES:
NA.28
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biological source

synthetic (organic)

Quality Level

200

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

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Caution

May discolor on exposure to air and light.

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_germany

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

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Certificates of Analysis (COA)

Lot/Batch Number
081M0020V
MKBQ6138V
SLBG1682V
SLBC5963V
SLBC5960V

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