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A10164 Catechol, 99%

CAS Number
120-80-9
Synonyms
1,2-Dihydroxybenzene
Pyrocatechol

Stock No. Size Price ($) Quantity Availability
A10164-30 250g 22.00
A10164-0B 1000g 60.00
A10164-0I 5000g 261.00
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Catechol, 99%

MDL
MFCD00002188
EINECS
204-427-5

Chemical Properties

Formula
C6H6O2
Formula Weight
110.11
Melting point
104-107°
Boiling Point
245-246°
Flash Point
127°(260°F)
Density
1.370
Storage & Sensitivity
Air Sensitive. Light Sensitive. Store under Argon. Ambient temperatures.
Solubility
Soluble in water, pyridine, chloroform, benzene, carbon tetrachloride, ether and acetate.

Applications

Catechol is used as a developer for photographic films, dyes and an intermediate for antioxidants in rubber and lubricating oils. It is used in polymerization inhibitors and in pharmaceuticals. It is a building block in organic synthesis and involved in the preparation of flavors and fragrances. It is used as a replacement for sandalwood oil, which is prepared from catechol through guaiacol and camphor. Further, it is a precursor for the preparation of vanillin from guaiacol, which is obtained by methylation reaction with catechol.

Notes

Air and light sensitive. Incompatible with oxidizing agents, aluminum, bases, acid chlorides and acid anhydrides.

Literature References

Ring-opening with O2 in the presence of CuCl, pyridine and methanol gives the monoester of cis,cis-muconic acid: Org. Synth. Coll., 8, 490 (1993).

In the presence of catechol, carboxylic acids are reduced to alcohols by NaBH4: Tetrahedron, 48, 371 (1992).

For an example of the use of catechol in the synthesis of crown ethers, see: Org. Synth. Coll., 6, 395 (1988).

Jastrzebski, R.; van den Berg, E. J.; Weckhuysen, B. M.; Bruijnincx, P. C. A. Sustainable production of dimethyl adipate by non-heme iron(III) catalysed oxidative cleavage of catechol. Catal. Sci. Technol. 2015, 5 (4), 2103-2109.

Zhong, M.; Dai, Y.; Fan, L.; Lu, X.; Kan, X. A novel substitution-sensing for hydroquinone and catechol based on a poly(3-aminophenylboronic acid)/MWCNTs modified electrode. Analyst 2015, 140 (17), 6047-6053.

GHS Hazard and Precautionary Statements

Hazard Statements: H301-H311-H315-H317-H318-H332-H341-H351-H500

Toxic if swallowed. Toxic in contact with skin. Causes skin irritation. May cause an allergic skin reaction. Causes serious eye damage. Harmful if inhaled. Suspected of causing genetic defects. Suspected of causing cancer. May form combustible dust concentrations in air

Precautionary Statements: P201-P202-P261-P264b-P270-P271-P272-P280g-P281-P301+P310-P302+P352-P304+P340-P305+P351+P338-P308+P313-P310-P312-P330-P333+P313-P361-P363-P501c

Obtain special instructions before use. Do not handle until all safety precautions have been read and understood. Avoid breathing dust/fume/gas/mist/vapours/spray. Wash face, hands and any exposed skin thoroughly after handling Do not eat, drink or smoke when using this product. Use only outdoors or in a well-ventilated area. Contaminated work clothing should not be allowed out of the workplace. Wear protective gloves. Use personal protective equipment as required. IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. IF ON SKIN: Wash with plenty of soap and water. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF exposed or concerned: Get medical advice/attention. Call a POISON CENTER or doctor/physician if you feel unwell. Rinse mouth. If skin irritation or rash occurs: Remove/Take off immediately all contaminated clothing. Wash contaminated clothing before reuse. Dispose of contents/ container to an approved waste disposal plant

Other References

Merck
14,7999
Beilstein
471401
Hazard Class
6.1
Packing Group
III
Harmonized Tariff Code
2907.29
TSCA
Yes
RTECS
UX1050000

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