Hydroquinone monoethyl ethe
4-Ethoxyphenol
CAS: 622-62-8
Molecular Formula: C8H10O2
Hydroquinone monoethyl ethe - Names and Identifiers
| Name | 4-Ethoxyphenol |
| Synonyms | 2OP 4-thoxyphenol Ethoxy phenol 4-Ethoxyphenol 4-Ethyloxyphenol AKOS BBS-00008147 4-HYDROXYPHENETOLE Hydroquinone monoethylether Hydroquinone monoethyl ethe Hydroquinone monoethyl ether 4-Ethoxyphenol(Hydroquinone monoethyl ether) 4-[(4-ethyl-2,6-difluorophenyl)ethynyl]-4'-propyl-1,1'-Biphenyl |
| CAS | 622-62-8 |
| EINECS | 210-748-1 |
| InChI | InChI=1/C6H6O2.C4H10O/c7-5-1-2-6(8)4-3-5;1-3-5-4-2/h1-4,7-8H;3-4H2,1-2H3 |
| InChIKey | LKVFCSWBKOVHAH-UHFFFAOYSA-N |
Hydroquinone monoethyl ethe - Physico-chemical Properties
| Molecular Formula | C8H10O2 |
| Molar Mass | 138.16 |
| Density | 1.0742 (rough estimate) |
| Melting Point | 64-67 °C |
| Boling Point | 131 °C (9 mmHg) |
| Flash Point | 121°C/9mm |
| JECFA Number | 720 |
| Water Solubility | slightly soluble |
| Solubility | almost transparency in Methanol |
| Vapor Presure | 0.000341mmHg at 25°C |
| Appearance | Light brown crystalline powder |
| Color | Beige |
| BRN | 1907114 |
| pKa | 10.44±0.13(Predicted) |
| Storage Condition | Inert atmosphere,Room Temperature |
| Refractive Index | 1.5231 (estimate) |
| MDL | MFCD00002334 |
| Physical and Chemical Properties | Boiling Point: 131°C (p = 9 torr) Melting Point: 64-67°C |
Hydroquinone monoethyl ethe - Risk and Safety
| Risk Codes | R41 - Risk of serious damage to eyes R37/38 - Irritating to respiratory system and skin. R22 - Harmful if swallowed R36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S37/39 - Wear suitable gloves and eye/face protection S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. |
| WGK Germany | 3 |
| RTECS | SL3790000 |
| TSCA | Yes |
| HS Code | 29071990 |
Hydroquinone monoethyl ethe - Reference Information
| FEMA | 3695 | HYDROQUINONE MONOETHYL ETHER |
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| toxicity | GRAS(FEMA). |
| usage limit | FEMA(mg/kg): baked goods, cold drinks, soft candy, gel, pudding, non-alcoholic beverages, 5.0; Meat products 0.5. |
| biological activity | 4-Ethoxyphenol is an endogenous metabolite. |
Last Update：2024-04-09 15:16:52
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