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| IUPAC name : | benzene-1,2-diol |
| InChI : | InChI=1/C6H6O2/c7-5-3-1-2-4-6(5)8/h1-4,7-8H |
| InChIKey : | YCIMNLLNPGFGHC-UHFFFAOYAA |
| SMILES : | C1=CC=C(C(=C1)O)O |
| cas number : | 120-80-9 |
| (EINECS) number : | 204-427-5 |
| eu annex : | 604-016-00-4 |
| beilstein number : | 0471401 |
| coe number : | 680 |
| fl. number : | 04.029 |
| molar refractivity : | 30.01 ± 0.3 cm3 |
| parachor : | 237.3 ± 4.0 cm3 |
| index of refraction : | 1.612 ± 0.02 |
| surface tension : | 57.1 ± 3.0 dyne/cm |
| density : | 1.275 ± 0.06 g/cm3 |
| polarizability : | 11.89 ± 0.5 10-24cm3 |
| XlogP : | 1.60 |
| XlogP3 : | 0.90 |
| molecular weight : | 110.1106400 (IUPAC) |
| formula : | C6 H6 O2 |
| BioActivity Analysis : | 68349 |
| pherobase floral: | view |
| NMR Predictor : | Predict |
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| export tariff code : | 2907.29.6000 |
| fda reg : | unspecified |
Suppliers :
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| Nanjing : | Catechol
orders in chinese only. |
| Penta : | catechol
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| Pfaltz & Bauer : | Pyrocatechol
99+% - Carc. |
| TCI AMERICA : | Catechol
>99.0%(GC) |
organoleptics :
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properties :
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| appearence : | white to tan powder |
| assay : | 97.00 to 100.00 %
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| Food Chemicals Codex Listed : | No |
| melting point : | 103.00 to 105.00 °C. @ 760.00 mm Hg
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| boiling point : | 244.00 to 246.00 °C. @ 760.00 mm Hg
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| vapor pressure : | 1.00000 mm/Hg @ 75.00 °C. |
| vapor density : | 3.8 ( Air = 1 ) |
| flash point : | 279.00 °F. TCC ( 137.22 °C. )
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| logP (o/w) : | 0.88 |
safety :
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| most important hazard(s) : | Xn - Harmful. |
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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.
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| Oral Toxicity(LD50) : | |
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Oral-Guineapig 210.00 mg/kg Advances in Food Research. Vol. 3, Pg. 197, 1951.
Intraperitoneal-Mouse 68.00 mg/kg Pharmacology and Toxicology Vol. 64, Pg. 247, 1989.
Oral-Mouse 260.00 mg/kg Advances in Food Research. Vol. 3, Pg. 197, 1951.
Oral-Rabbit 200.00 mg/kg
Oral-Rat 260.00 mg/kg Advances in Food Research. Vol. 3, Pg. 197, 1951.
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| Dermal Toxicity(LD50) : | |
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Skin-Rabbit 800.00 mg/kg Advances in Food Research. Vol. 3, Pg. 197, 1951.
Subcutaneous-Mouse 247.00 mg/kg Industrial Health. Vol. 5, Pg. 143, 1967.
Subcutaneous-Rabbit 225.00 mg/kg Journal of Agricultural and Food Chemistry. Vol. 17, Pg. 497, 1969.
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| Inhalation Toxicity(LC50) : | |
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Not determined
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safety in use :
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| Category : | cosmetic agents |
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| recommendation for catechol fragrance usage levels up to : |
| | not for fragrance use.
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| recommendation for catechol flavor usage levels up to : |
| | not for flavor use.
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safety references :
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| EPI System : | view |
| IUCLID : | view |
| NIOSH International Chemical Safety Cards : | search |
| NIOSH Pocket Guide : | search |
| NLM Hazardous Substances Data Bank : | search |
| Chemical Carcinogenesis Research Information System : | Search |
| AIDS Citations : | Search |
| Cancer Citations : | Search |
| Toxicology Citations : | Search |
| Carcinogenic Potency Database : | Search |
| EPA GENetic TOXicology : | Search |
| Env. Mutagen Info. Center : | Search |
| NLM Developmental and Reproductive Toxicity : | Search |
| National Toxicology Program : | Search |
| Canada Domestic Sub. List : | Yes |
| EPA Chem. Sub. Inventory : | Yes |
| WISER : | UN 2811 |
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| WGK Germany : | 2 |
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| | benzene-1,2-diol |
| (EINECS) number : | 204-427-5 |
| RTECS : | 120-80-9 |
| chemidplus : | 000120809 |
| EPA/NOAA CAMEO : | hazardous materials |
| EPA Substance Registry Services : | 120-80-9 |
| dtp/nci : | 1573 |
references :
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| | benzene-1,2-diol |
| fl. number : | 04.029 |
| NIST Chemistry WebBook : | 651260460 |
| pubchem : | 151602 |
Cosmetics :
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| Cosmetic uses : |
hair dyeing agents
not used anymore
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other :
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| CosIng : | cosmetic data |
| VCF-Online: | VCF Volatile Compounds in Food |