ortho-dimethyl hydroquinone
1,2-dimethoxybenzene
Identification
| Name | ortho-dimethyl hydroquinone |
| IUPAC | 1,2-dimethoxybenzene |
| CAS Number | 91-16-7 |
| EINECS | 202-045-3 |
| FDA UNII | 61WJZ2Q41I |
| Molecular Formula | C8 H10 O2 |
| Molecular Weight | 138.16610000 |
| MDL Number | MFCD00008357 |
| Nikkaji Number | J4.334F |
| Beilstein | 1364621 |
| CoE Number | 10320 |
| XlogP3 | 1.60 (est) |
Regulatory
| JECFA Food Flavoring | 1248 1,2-dimethoxybenzene |
| DG SANTE Food Flavourings | 04.062 1,2-dimethoxybenzene |
| FEMA Number | 3799 |
| FDA | No longer provide for the use of these seven synthetic flavoring substances |
| FDA Mainterm (SATF) | 91-16-7 ; 1,2-DIMETHOXYBENZENE |
Physical Properties
| Appearance | colorless clear liquid (est) |
| Assay | 98.00 to 100.00 |
| Food Chemicals Codex Listed | No |
| Specific Gravity | 1.08200 to 1.08600 @ 25.00 °C. |
| Pounds per Gallon - (est). | 9.003 to 9.037 |
| Refractive Index | 1.53300 to 1.53600 @ 20.00 °C. |
| Melting Point | 22.50 °C. @ 760.00 mm Hg |
| Boiling Point | 206.00 °C. @ 760.00 mm Hg |
| Vapor Pressure | 0.470000 mmHg @ 25.00 °C. |
| Flash Point | 189.00 °F. TCC ( 87.22 °C. ) |
| logP (o/w) | 1.600 |
| Soluble in | alcohol |
Cosmetic Information
| CosIng | cosmetic data |
| Cosmetic Uses | perfuming agents |
Organoleptic Properties
| Odor Description | at 1.00 % in dipropylene glycol. |
Safety Information
| Preferred SDS | View |
| European information | Most important hazard(s): |
| Oral/Parenteral Toxicity | oral-mouse LD50 700 mg/kg |
| Dermal Toxicity | Not determined |
| Inhalation Toxicity | Not determined |
GHS Classification
['GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)', 'GHS Label elements, including precautionary statements']
Safety in Use
| Category | flavor and fragrance agents |
| RIFM Fragrance Material Safety Assessment | Search |
| Recommendation for ortho-dimethyl hydroquinone usage levels up to | 0.2000 % in the fragrance concentrate. |
| Maximised Survey-derived Daily Intakes (MSDI-EU) | 1.60 (μg/capita/day) |
| Maximised Survey-derived Daily Intakes (MSDI-USA) | 20.00 (μg/capita/day) |
| Structure Class | I |
| baked goods | 0.30000 |
| beverages(nonalcoholic) | 0.10000 |
| beverages(alcoholic) | 0.20000 |
| breakfast cereal | - |
| cheese | - |
| chewing gum | 15.00000 |
| condiments / relishes | - |
| confectionery froastings | - |
| egg products | - |
| fats / oils | - |
| fish products | - |
| frozen dairy | - |
| fruit ices | - |
| gelatins / puddings | 0.30000 |
| granulated sugar | - |
| gravies | - |
| hard candy | 0.50000 |
| imitation dairy | - |
| instant coffee / tea | - |
| jams / jellies | - |
| meat products | - |
| milk products | 0.10000 |
| nut products | - |
| other grains | - |
| poultry | - |
| processed fruits | - |
| processed vegetables | - |
| reconstituted vegetables | - |
| seasonings / flavors | - |
| snack foods | - |
| soft candy | 0.50000 |
| soups | - |
| sugar substitutes | - |
| sweet sauces | - |
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