Hydroquinone Dimethyl
Hydroquinone Dimethyl
CAS: 150-78-7
Molecular Formula: C8H10O2
Hydroquinone Dimethyl - Names and Identifiers
Hydroquinone Dimethyl - Physico-chemical Properties
| Molecular Formula | C8H10O2 |
| Molar Mass | 138.16 |
| Density | 1.053g/mLat 25°C(lit.) |
| Melting Point | 54-56°C(lit.) |
| Boling Point | 213°C(lit.) |
| Flash Point | 98 °C |
| JECFA Number | 1250 |
| Water Solubility | 0.8 g/l (20 ºC) |
| Solubility | Soluble in ethanol, ethyl acetate, acetone and benzene, slightly soluble in water, |
| Vapor Presure | <1 mm Hg ( 20 °C) |
| Vapor Density | 4.8 (vs air) |
| Appearance | White solid |
| Specific Gravity | 1.053 |
| Color | White |
| BRN | 774605 |
| PH | 7 (H2O, 20℃)(saturated solution) |
| Storage Condition | Sealed in dry,Room Temperature |
| Stability | Stable. Combustible. Incompatible with strong oxidizing agents. |
| Sensitive | Light Sensitive |
| Explosive Limit | 1.2-5.6%(V) |
| Refractive Index | 1.5231 (estimate) |
| MDL | MFCD00008401 |
| Physical and Chemical Properties | White flaky solid, sweet alfalfa-like aroma and phenolic flavor, diluted to less than 5 mg/kg, with hard shell fruit flavor. The melting point of 56 deg C, boiling point of 213 deg C. Relative density (d4661.036. 1 mL dissolved in 10 mL 95% alcohol, insoluble in benzene. Natural products are present in the essential oil of Hyacinth and the like. |
| Use | Used as organic chemical intermediates, for the production of drugs methoxyamine hydrochloride, dye black salt ANS, etc., also used as fixative |
Hydroquinone Dimethyl - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. S24/25 - Avoid contact with skin and eyes. |
| WGK Germany | 1 |
| RTECS | CZ6650000 |
| TSCA | Yes |
| HS Code | 29093090 |
Hydroquinone Dimethyl - Upstream Downstream Industry
Hydroquinone Dimethyl - Introduction
It smells like cloves. Solubility: 0.8g/l water, 1g/10ml dioxane. The maximum absorption wavelength is 280-300nm. Stimulant.
Last Update：2022-10-16 17:14:06
Hydroquinone Dimethyl - Reference Information
| FEMA | 2386 | P-DIMETHOXYBENZENE |
| LogP | 2.08 at 20℃ |
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| application | terephthalate is GB2760-96 defined as a permitted edible flavor, mainly used to prepare nut flavor; This product is an organic synthetic intermediate, used to produce drugs such as methoxyamine hydrochloride, dye black salt ANS, etc. Terephthalate is also used as a fixer for daily chemicals to prepare food and tobacco flavors; it can also be used as an anti-wind erosion agent for plastics and coatings; it can also be used as an organic chemical intermediate for the production of drugs Methoxyamine hydrochloride, dye black salt ANS, etc., are also used as a fixer; terephthalate can also be used for the synthesis of fragrances. |
| usage limit | FEMA(mg/kg): soft drink 8.1; Cold drink 5.0; Candy 4.7; Baked food 5.8. The right amount is limited (FDA § 172.515,2000). |
| use | GB 2760-96 specifies edible spices allowed to be used. It is mainly used to prepare nut essence. this product is an organic synthesis intermediate, which is used to produce methoxyamine hydrochloride, dye black salt ANS, etc. It is also used as a fixer for daily chemicals to prepare food and tobacco flavors. It can also be used as an anti-wind erosion agent for plastics and coatings. GB 2760-96 stipulates edible spices that are allowed to be used. It is mainly used to prepare nut essence. This product is an organic synthesis intermediate, used to produce drugs such as methoxamine hydrochloride, dye black salt ANS, etc. It is also used as a fixer for daily chemicals to prepare food and tobacco flavors. It can also be used as an anti-wind erosion agent for plastics and coatings. Used as an organic chemical intermediate, used in the production of drug methoxyamine hydrochloride, dye black salt ANS, etc., and also used as a fixative fixative. Intermediate. Paint and plastic aging agent. |
| Production method | It is obtained by methylation of hydroquinone by dimethyl sulfate or methyl chloride. It is obtained by the reaction of dimethyl sulfate and hydroquinone in the presence of alkali. |
| auto-ignition temperature | 1463 °F |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-10 22:29:15
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Raw Materials for Hydroquinone Dimethyl