Articles:
2-hydroxyphenol
Notes:
Constit. of var. foodstuffs esp. coffee, cocoa, bread crust, roasted malt and beer; Isol. from various plant sources and by hydrol. of tannins (CCD)
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Charkit Chemical Corporation The Specialty Chemical Specialists Explore this website to discover the products and services that Charkit provides for your industry and please contact us directly to find out how we can be of service to you. about: Since 1982, Charkit has been committed to expanding the markets we serve as our roster of products and services continues to grow with us. Our substantial portfolio of personal care ingredients now include a wide array of luxury and exotic components to compliment the key products we have always offered. We have expanded our offerings to the nutraceutical, industrial, and resin markets with a growing roster of versatile and unique ingredients. We continue to lead the way in our traditional markets such as Metal and Water Treatment, Imaging, Flavor & Fragrance, Aroma and Food. Our Pharmaceutical offerings continue to expand, still anchored by the Boronic Derivatives that meet the demands of Suzuki coupling reactions. Please contact us to learn how we can help you reach your goals. Email: Sales Voice: 203-299-3220 Fax: 203-299-1355 Facebook Twitter Linkedin Latest News Events Blog Products List: View Product(s): CATECHOL
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Glentham Life Sciences Ltd The Chemical, Biochemical & Research Essentials Supplier Glentham Life Sciences is a supplier of fine chemicals and raw materials with warehousing, laboratories and packaging facilities in the UK. With a Glentham Life Sciences account you can view more product details, request quotes and order products online. Email: Info Email: Sales Email: Tech Support Voice: +44 (0) 1225 667798 Fax: +44 (0) 2033 978909 Facebook Twitter Linkedin Google+ News Distribution Products List: View Product(s): GK1801 1,2-Dihydroxybenzene
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Penta International Corporation Chemistry innovation At Penta, our products and services help businesses do business better. For over 30 years, Penta Manufacturing Company has played a growing role in worldwide chemistry innovations and applications. As an industry leader, Penta continues to pioneer chemistry-based solutions for practically every area of commerce. Our products and expertise have helped fuel technical advances in dozens of commercial applications including flavoring, coloring, fragrances and chemical processes. US Email: Technical Services US Email: Sales US Voice: (973) 740-2300 US Fax: (973) 740-1839 Product(s): 16-89800 PYROCATECHOL
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TCI AMERICA Moving Your Chemistry Forward We continuously strive to advance our technology. With East & West Coast distribution centers, count on TCI to deliver products quickly and reliably. Over 30,000 Reagents available today in benchtop to bulk quantities. We also offer custom synthesis solutions. Sign up for a TCI account today for fast and free shipping! Tokyo Chemical Industry Co., Ltd. (TCI) is a leading worldwide manufacturer of specialty organic chemicals founded in 1946. TCI provides organic laboratory chemicals as well as pharmaceutical, cosmetic and functional materials. More than 70 years of synthesis experience and multi-purpose plants enable TCI to offer more than 30,000 products as well as custom synthesis. US Email: Sales Email: Technical Support Voice: 1-800-423-8616 Fax: 1- 888-520-1075 Facebook Twitter Instagram Linkedin Product(s): P0317 Catechol >99.0%(GC)
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| CAS Number: | 120-80-9 |  3D/inchi
|
| Other(deleted CASRN): | 16474-89-8 | |
| ECHA EINECS - REACH Pre-Reg: | 204-427-5 | |
| FDA UNII: | LF3AJ089DQ | |
| Nikkaji Web: | J2.921A | |
| Beilstein Number: | 0471401 | |
| MDL: | MFCD00055728 | |
| CoE Number: | 680 | |
| XlogP3: | 0.90 (est) | |
| Molecular Weight: | 110.11222000 | |
| Formula: | C6 H6 O2 | |
| BioActivity Summary: | listing | |
| NMR Predictor: | Predict (works with chrome or firefox) | |
Category: indirect food additives: adhesives and components of coatings
US / EU / FDA / JECFA / FEMA / FLAVIS / Scholar / Patent Information:
| Google Scholar: | Search |
| Google Books: | Search |
| Google Scholar: with word "volatile" | Search |
| Google Scholar: with word "flavor" | Search |
| Google Scholar: with word "odor" | Search |
| Google Patents: | Search |
| US Patents: | Search |
| EU Patents: | Search |
| Pubchem Patents: | Search |
| PubMed: | Search |
| NCBI: | Search |
| DG SANTE Food Flavourings: | 04.029 benzene-1,2-diol |
| DG SANTE Food Contact Materials: | benzene-1,2-diol |
Physical Properties:
| Appearance: | white to tan powder (est) |
| Assay: | 97.00 to 100.00 % |
| Food Chemicals Codex Listed: | No |
| Melting Point: | 103.00 to 105.00 °C. @ 760.00 mm Hg |
| Boiling Point: | 244.00 to 246.00 °C. @ 760.00 mm Hg |
| Vapor Pressure: | 1.000000 mmHg @ 75.00 °C. |
| Vapor Density: | 3.8 ( Air = 1 ) |
| Flash Point: | 279.00 °F. TCC ( 137.22 °C. ) |
| logP (o/w): | 0.880 |
| Soluble in: | |
| alcohol | |
| water, 4.61E+05 mg/L @ 25 °C (exp) | |
Organoleptic Properties:
| Odor and/or flavor descriptions from others (if found). | |
Cosmetic Information:
| CosIng: | cosmetic data |
| Cosmetic Uses: |
hair dyeing agents not used anymore |
Suppliers:
| Alfa Biotechnology |
| For experimental / research use only. |
| Catechol 98% |
| Charkit Chemical |
| CATECHOL |
| ExtraSynthese |
| For experimental / research use only. |
| Catechol (HPLC) ≥95% |
| Glentham Life Sciences |
| 1,2-Dihydroxybenzene |
| Indenta Group |
| Catechol |
| Penta International |
| PYROCATECHOL |
| Shiva Chemicals and Pharmaceuticals |
| Catechol |
| Sigma-Aldrich |
| For experimental / research use only. |
| 1,2-Dihydroxybenzene ReagentPlus®, ≥99% |
| TCI AMERICA |
| For experimental / research use only. |
| Catechol >99.0%(GC) |
Safety Information:
| European information : | |
| Most important hazard(s): | |
| Xn - Harmful. | |
|
R 21/22 - Harmful in contact with skin and if swallowed. R 36/38 - Irritating to skin and eyes. S 02 - Keep out of the reach of children. S 22 - Do not breath dust. S 24/25 - Avoid contact with skin and eyes. S 26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S 36/37/39 - Wear suitable clothing, gloves and eye/face protection. | |
| Hazards identification | |
| Classification of the substance or mixture | |
| GHS Classification in accordance with 29 CFR 1910 (OSHA HCS) | |
| None found. | |
| GHS Label elements, including precautionary statements | |
| Pictogram | |
| Hazard statement(s) | |
| None found. | |
| Precautionary statement(s) | |
| None found. | |
| Oral/Parenteral Toxicity: | |
|
oral-guinea pig LD50 210 mg/kg Advances in Food Research. Vol. 3, Pg. 197, 1951. intraperitoneal-mouse LD50 68 mg/kg Pharmacology and Toxicology Vol. 64, Pg. 247, 1989. oral-mouse LD50 260 mg/kg Advances in Food Research. Vol. 3, Pg. 197, 1951. oral-rabbit LDLo 200 mg/kg BLOOD: METHEMOGLOBINEMIA-CARBOXYHEMOGLOBIN BLOOD: LEUKOPENIA BEHAVIORAL: ALTERED SLEEP TIME (INCLUDING CHANGE IN RIGHTING REFLEX) "Patty's Industrial Hygiene and Toxicology," 3rd rev. ed., Clayton, G.D., and F.E. Clayton, eds., New York, John Wiley & Sons, Inc., 1978-82. Vol. 3 originally pub. in 1979; pub. as 2n rev. ed. in 1985.Vol. 2A, Pg. 2585, 1981. oral-rat LD50 260 mg/kg Advances in Food Research. Vol. 3, Pg. 197, 1951. oral-cat LD50 100 mg/kg International Polymer Science and Technology. Vol. 3, Pg. 93, 1976. oral-dog LD50 130 mg/kg International Polymer Science and Technology. Vol. 3, Pg. 93, 1976. intravenous-dog LDLo 40 mg/kg "Handbook of Toxicology," 4 vols., Philadelphia, W.B. Saunders Co., 1956-59Vol. 1, Pg. 62, 1955. parenteral-frog LDLo 160 mg/kg BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD PERIPHERAL NERVE AND SENSATION: SPASTIC PARALYSIS WITH OR WITHOUT SENSORY CHANGE Naunyn-Schmiedeberg's Archiv fuer Experimentelle Pathologie und Pharmakologie. Vol. 166, Pg. 437, 1932. intraperitoneal-guinea pig LDLo 150 mg/kg "Handbook of Toxicology," 4 vols., Philadelphia, W.B. Saunders Co., 1956-59Vol. 1, Pg. 62, 1955. oral-mammal (species unspecified) LD50 240 mg/kg LUNGS, THORAX, OR RESPIRATION: DYSPNEA BEHAVIORAL: CHANGES IN MOTOR ACTIVITY (SPECIFIC ASSAY) BEHAVIORAL: MUSCLE CONTRACTION OR SPASTICITY) Toksikologiya Novykh Promyshlennykh Khimicheskikh Veshchestv. Toxicology of New Industrial Chemical Substances. For English translation, see TNICS*. Vol. 15, Pg. 136, 1979. | |
| Dermal Toxicity: | |
|
skin-rabbit LD50 800 mg/kg Advances in Food Research. Vol. 3, Pg. 197, 1951. subcutaneous-mouse LD50 247 mg/kg Industrial Health. Vol. 5, Pg. 143, 1967. subcutaneous-rabbit LDLo 225 mg/kg Journal of Agricultural and Food Chemistry. Vol. 17, Pg. 497, 1969. subcutaneous-frog LDLo 160 mg/kg "Handbook of Toxicology," 4 vols., Philadelphia, W.B. Saunders Co., 1956-59Vol. 1, Pg. 62, 1955. subcutaneous-guinea pig LDLo 200 mg/kg "Handbook of Toxicology," 4 vols., Philadelphia, W.B. Saunders Co., 1956-59Vol. 1, Pg. 62, 1955. skin-rabbit LD50 800 mg/kg SKIN AND APPENDAGES (SKIN): PRIMARY IRRITATION: AFTER TOPICAL EXPOSURE American Industrial Hygiene Association Journal. Vol. 37, Pg. 596, 1976. subcutaneous-rat LDLo 110 mg/kg Archives Internationales de Pharmacodynamie et de Therapie. Vol. 176, Pg. 193, 1968. | |
| Inhalation Toxicity: | |
| Not determined | |
Safety in Use Information:
| Category: | indirect food additives: adhesives and components of coatings | ||
| Recommendation for catechol usage levels up to: | |||
| not for fragrance use. | |||
| Recommendation for catechol flavor usage levels up to: | |||
| not for flavor use. | |||
Safety References:
| EPI System: | View |
| NIOSH International Chemical Safety Cards: | search |
| NIOSH Pocket Guide: | search |
| Chemical Carcinogenesis Research Information System: | Search |
| AIDS Citations: | Search |
| Cancer Citations: | Search |
| Toxicology Citations: | Search |
| Carcinogenic Potency Database: | Search |
| EPA GENetic TOXicology: | Search |
| EPA Substance Registry Services (TSCA): | 120-80-9 |
| EPA ACToR: | Toxicology Data |
| EPA Substance Registry Services (SRS): | Registry |
| Laboratory Chemical Safety Summary : | 289 |
| National Institute of Allergy and Infectious Diseases: | Data |
| WISER: | UN 2811 |
| WGK Germany: | 2 |
| benzene-1,2-diol | |
| Chemidplus: | 0000120809 |
| EPA/NOAA CAMEO: | hazardous materials |
| RTECS: | 120-80-9 |
References:
| benzene-1,2-diol | |
| NIST Chemistry WebBook: | Search Inchi |
| Canada Domestic Sub. List: | 120-80-9 |
| Pubchem (cid): | 289 |
| Pubchem (sid): | 134975212 |
| Pherobase: | View |
Other Information:
| (IUPAC): | Atomic Weights of the Elements 2011 (pdf) |
| Videos: | The Periodic Table of Videos |
| tgsc: | Atomic Weights use for this web site |
| (IUPAC): | Periodic Table of the Elements |
| FDA Indirect Additives used in Food Contact Substances: | View |
| CHEBI: | View |
| CHEMBL: | View |
| Metabolomics Database: | Search |
| UM BBD: | Search |
| KEGG (GenomeNet): | C00090 |
| HMDB (The Human Metabolome Database): | HMDB00957 |
| FooDB: | FDB001512 |
| Export Tariff Code: | 2907.29.6000 |
| VCF-Online: | VCF Volatile Compounds in Food |
| ChemSpider: | View |
| Wikipedia: | View |
Potential Blenders and core components note
| None Found | ||
Potential Uses:
| medical |
Occurrence (nature, food, other): note
| avocado plant Search Trop Picture | |
| bulbophyllum involutum Search Trop Picture | |
| Bulbophyllum weddellii Search Trop Picture | |
| cacao plant Search Trop Picture | |
| castoreum Search PMC Picture | |
| chicory root Search Trop Picture | |
| coffee PbMd Search PMC Picture | |
| ginkgo biloba leaf Search Trop Picture | |
| olive fruit Search Trop Picture | |
| onion bulb Search Trop Picture | |
| oregano plant Search Trop Picture | |
| purslane plant Search Trop Picture | |
| tea tissue culture Search Trop Picture |
Synonyms:
| benzcatechin | |
| 1,2- | benzene diol |
| benzene-1,2-diol | |
| benzene, o-dihydroxy- | |
| 1,2- | benzenediol |
| 1,2- | dihydroxybenzene |
| durafur developer C | |
| fouramine PCH | |
| fourrine 68 | |
| o- | hydroquinone |
| ortho- | hydroquinone |
| 2- | hydroxyphenol |
| o- | hydroxyphenol |
| ortho- | hydroxyphenol |
| lopac-C-9510 | |
| phthalhydroquinone | |
| pyrocatechinic acid | |
| pyrocatechol |