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Catechol

Name: Catechol
SKU: 0

Catechol
CAS No.: 120-80-9
Molecular Formula: C6H6O2
Molecular weight: 110.11

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PRODUCT DESCRIPTION

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%.

Chemical Properties

Property	Value
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)

Safety Information

Property	Value
Hazard symbol	Xn
Hazard class codes	21/22-36/38-68-43
Safety descriptions	22-26-37-39
UN dangerous goods number	UN 2811 6.1/PG 3
Occupational exposure class	A
Occupational exposure limit	TWA: 5 ppm (20 mg/m³) [skin]
WGK Germany	2
RTECS number	UX1050000
TSCA	TSCA listed
HS code	2907 29 00
Hazard class	6.1
Packing group	III
Storage class	6.1C - Combustible, acute toxicity Category 3 Toxic compounds or compounds causing chronic effects
Hazard class (category)	Acute toxicity, Category 3, Dermal Acute toxicity, Category 3, Oral Carcinogenicity, Category 1B Serious eye damage, Category 1 Germ cell mutagenicity, Category 2 Skin irritation, Category 2 Skin sensitization, Category 1
Hazardous substances data	120-80-9 (Hazardous Substances Data)
Toxicity	LD50 in mice (mg/kg): 260 orally; 190 i.p. (Lehman)

Product Usage

Catechol is a critical organic compound and a versatile building block extensively used in the fine chemical and pharmaceutical industries. Its most prominent application is as a key intermediate in the synthesis of life-saving drugs, including catecholamines like adrenaline, dopamine, and L-dopa, which are essential for treating neurological and cardiovascular conditions. In the agrochemical sector, it serves as a fundamental precursor for manufacturing high-efficiency insecticides and carbamate pesticides. Beyond life sciences, Catechol is vital in the flavor and fragrance industry for producing vanillin and ethylvanillin. Furthermore, its unique antioxidant and metal-chelating properties make it an indispensable additive in industrial applications, such as rubber vulcanization accelerators, polymerization inhibitors, and specialized photographic developing agents.

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A:Yes,we could offer the sample for you to test but please pay freight fee.

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