catechol
2-hydroxyphenol
Identification
| Name | catechol |
| IUPAC | benzene-1,2-diol |
| CAS Number | 120-80-9 |
| EINECS | 204-427-5 |
| FDA UNII | LF3AJ089DQ |
| Molecular Formula | C6 H6 O2 |
| Molecular Weight | 110.11222000 |
| MDL Number | MFCD00055728 |
| Nikkaji Number | J2.921A |
| Beilstein | 0471401 |
| CoE Number | 680 |
| XlogP3 | 0.90 (est) |
Regulatory
| 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 |
Cosmetic Information
| CosIng | cosmetic data |
| Cosmetic Uses | hair dyeing agents |
No sensory data available
Safety Information
| Preferred SDS | View |
| European information | Most important hazard(s): |
| Oral/Parenteral Toxicity | oral-guinea pig LD50 210 mg/kg |
| Dermal Toxicity | skin-rabbit LD50 800 mg/kg |
| Inhalation Toxicity | Not determined |
GHS Classification
['GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)', 'GHS Label elements, including precautionary statements', 'BLOOD: METHEMOGLOBINEMIA-CARBOXYHEMOGLOBIN\nBLOOD: LEUKOPENIA\nBEHAVIORAL: ALTERED SLEEP TIME (INCLUDING CHANGE IN RIGHTING REFLEX)', 'BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD\nPERIPHERAL NERVE AND SENSATION: SPASTIC PARALYSIS WITH OR WITHOUT SENSORY CHANGE']
Safety in Use
| 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. |
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