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8.22261

Sigma-Aldrich

Pyrocatechol

for synthesis

Synonym(s):

Pyrocatechol, 1,2-Dihydroxybenzene, Catechol

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About This Item

Linear Formula:
C6H4-1,2-(OH)2
CAS Number:
120-80-9
Molecular Weight:
110.11
MDL number:
MFCD00002188
UNSPSC Code:
12352104
EC Index Number:
204-427-5
NACRES:
NA.22

vapor pressure

13 hPa ( 118 °C)

Quality Level

200

Assay

≥99.0% (GC)

form

crystals

potency

300 mg/kg LD50, oral (Rat)

expl. lim.

1.97 % (v/v)

pH

6 (20 °C, 100 g/L in H2O)

mp

103-105 °C

transition temp

flash point 127 °C

solubility

430 g/L

density

1.37 g/cm3 at 20 °C

storage temp.

2-30°C

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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Related Categories

Application


  • Pyrocatechol alleviates cisplatin-induced acute kidney injury by inhibiting ROS production: Research on pyrocatechol′s protective effects against nephrotoxicity due to cisplatin, highlighting its antioxidant properties (Xie et al., 2022).

  • How was the proton transfer process in bis-3, 6-(2-benzoxazolyl)-pyrocatechol, single or double proton transfer: Theoretical insights into the proton transfer mechanisms in a symmetric pyrocatechol derivative, providing fundamental knowledge for molecular interactions (Zhang et al., 2016).

  • Electrodeposition of pyrocatechol based films: Influence of potential scan rate, pyrocatechol concentration and pH: Investigates the conditions affecting the electrodeposition of pyrocatechol-based materials, contributing to the understanding of electrochemical coating processes (Ball, 2017).

Analysis Note

Assay (GC, area%): ≥ 99.0 % (a/a)
Melting range (lower value): ≥ 103 °C
Melting range (upper value): ≤ 105 °C
Identity (IR): passes test

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

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.

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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