Catechol CAS# 120-80-9

Catechol CAS# 120-80-9

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Chemical Name:Catechol
CAS No.:120-80-9
Molecular Formula:C6H6O2
Molecular weight:110.11
Sample: Available
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Product Description

Catechol CAS# 120-80-9

Catechol is a white crystalline solid. Turnsbrown on contact with light and air. Molecularweight=110.12; Specific gravity (H2O:1)=1.3; Boilingpoint=245.5℃; Freezing/Melting point=104℃. It sublimes readily; Vapor pressure=10 mmHg at 117℃; Flashpoint=127℃; Autoignition temperature=512℃.Explosive Limits in air: LEL=1.4%; UEL-Unknown.Hazard Identification (based on NFPA 704 M RatingSystem): Health 3, Flammability 1, Reactivity 2. Solubilityin water=44%.

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Catechol Basic information

Product Name:

Catechol

Synonyms:

1,2-Benzenediol (pyrocatechol);1,2-benzenediol[qr];1,2-dihydroxybenzene[qr];2-Hydroxyphenol;2-hydroxyphenol[qr];ai3-03995[qr];Benzene, o-dihydroxy-;benzene,1,2-dihydroxy-

CAS:

120-80-9

MF:

C6H6O2

MW:

110.11

EINECS:

204-427-5

Product Categories:

Building Blocks;Chemical Synthesis;Organic Building Blocks;Oxygen Compounds;Polyols;Aromatics;Miscellaneous Reagents;Intermediates;Aromatic Phenols

Mol File:

120-80-9.mol



Catechol Chemical Properties

Melting point

100-103 °C (lit.)

Boiling point

245 °C (lit.)

density

1,371 g/cm3

vapor density

3.8 (vs air)

vapor pressure

1 mm Hg ( 75 °C)

refractive index

1.6120 (estimate)

Fp

279 °F

storage temp.

Store below +30°C.

solubility

430g/l

pka

9.85(at 20℃)

form

Crystalline Flakes

color

white to faintly beige

PH

6 (100g/l, H2O, 20℃)

explosive limit

1.97%(V)

biological source

synthetic (organic)

Water Solubility

430 g/L (20 ºC)

Sensitive

Air & Light Sensitive

Merck

14,7999

BRN

471401

Exposure limits

TLV-TWA 5 ppm (~22 mg/m3) (ACGIH). .

Stability:

Stable. Substances to be avoided include acid chlorides, acid anhydrides, bases, oxidizing agents, nitric acid. Light sensitive; may discolour on exposure to air. Combustible.

LogP

0.93

CAS DataBase Reference

120-80-9(CAS DataBase Reference)

NIST Chemistry Reference

1,2-Benzenediol(120-80-9)

IARC

2B (Vol. 15, Sup 7, 71) 1999

EPA Substance Registry System

Catechol (120-80-9)

Product Usage

Catechol (CAS# 120-80-9) is used in the field of chemical synthesis for rubber auxiliaries and fragrance synthesis, in the field of medicine as a drug intermediate, local anesthetic component, in the field of agriculture to participate in the synthesis of pesticides, but also used in the electroplating industry and analytical chemistry for the detection of metal ions.

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