1-Methoxy-4-Methylbenzene
4-Methylanisole
CAS: 104-93-8
Molecular Formula: C8H10O
1-Methoxy-4-Methylbenzene - Names and Identifiers
| Name | 4-Methylanisole |
| Synonyms | MSO Mso FEMA 2681 Fema 2681 4-Methylanisole P-Methylanisole METHYL-P-CRESOL Methyl-P-Cresol 4-METHYLANISOLE 4-Methoxytoluene 4-METHOXYTOLUENE METHYL P-TOLYL ETHER Methyl P-Tolyl Ether P-CRESYL METHYL ETHER P-Cresyl Methyl Ether 1-METHOXY-4-METHYLBENZENE 1-Methoxy-4-Methylbenzene |
| CAS | 104-93-8 |
| EINECS | 203-253-7 |
| InChI | InChI=1/C8H10O/c1-6-3-4-8(9)7(2)5-6/h3-5,9H,1-2H3 |
1-Methoxy-4-Methylbenzene - Physico-chemical Properties
| Molecular Formula | C8H10O |
| Molar Mass | 122.16 |
| Density | 0.969g/mLat 25°C(lit.) |
| Melting Point | -32°C |
| Boling Point | 174°C(lit.) |
| Flash Point | 128°F |
| JECFA Number | 1243 |
| Water Solubility | slightly soluble |
| Vapor Presure | 5.25 mm Hg ( 50 °C) |
| Appearance | Liquid |
| Color | Clear colorless to slightly yellow |
| Maximum wavelength(λmax) | ['279nm(MeOH)(lit.)'] |
| BRN | 1237336 |
| Storage Condition | Sealed in dry,Room Temperature |
| Stability | Stable. Incompatible with strong oxidizing agents. Combustible. |
| Explosive Limit | 1.1-8.3%(V) |
| Refractive Index | n20/D 1.511(lit.) |
| Physical and Chemical Properties | Density 0.96 boiling point 174°C refractive index 1.51-1.513 flash point 53°C water-soluble clear solution |
| Use | For the preparation of walnut, hazelnut and other nut-type spices |
1-Methoxy-4-Methylbenzene - Risk and Safety
| Hazard Symbols | Xn - Harmful |
| Risk Codes | R22 - Harmful if swallowed R38 - Irritating to the skin R10 - Flammable R52/53 - Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment. R63 - Possible risk of harm to the unborn child |
| Safety Description | S36/37 - Wear suitable protective clothing and gloves. S16 - Keep away from sources of ignition. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. |
| UN IDs | UN 1993 3/PG 3 |
| WGK Germany | 1 |
| RTECS | BZ8780000 |
| TSCA | Yes |
| HS Code | 29093090 |
| Hazard Class | 3 |
| Packing Group | III |
| Toxicity | The acute oral LD50 in rats was reported as 1.92 (1.51-2.45) g/kg (Hart, 1971). The acute dermal LD50 in rabbits was reported as > 5 g/kg (Hart, 1971). |
1-Methoxy-4-Methylbenzene - Reference Information
| FEMA | 2681 | P-METHYLANISOLE |
| olfactory Threshold | 0.0012ppm |
| LogP | 2.74-2.8 at 25-35℃ |
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| content analysis | measured by gas chromatography (GT-10-4) using a polar column method. |
| toxicity | GRAS(FEMA). LD50 1920mg/kg (rat, oral). |
| usage limit | FEMA(mg/kg): soft drinks 2.7; Cold drinks 2.7; Candy 4.8; Baked goods 7.6; pudding 0.50~4.0; Condiment 2.0; Syrup 8.0. Moderate limits (FDA § 172.515,2000). |
| Use | can be used for large flower jasmine, white blue, ylang ylang, narcissus, yellow lotus, balloon, Hyacinth, in the fragrant type of the Golden passerine. Can also be used for trace Lily, Rose, clove type. Can be used with brominated styrene in soap flavor, occasionally used in food flavor, mainly for nut flavor type, such as walnut, hazelnut flavor. GB 2760-96 provides for the permitted use of flavorants. Mainly used for the preparation of walnut, hazelnut and other nut-type flavor. This product has the fragrance of violet and fragrance and the fragrance of ylang ylang. It is naturally found in ylang ylang oil and carnanga ylang oil, and is one of the more important ethers of the same kind. The product is China's GB2760-86 provisions for the allowed use of edible spices. Mainly used for the preparation of walnut, hazelnut and other nut-type flavor. The product is also used for the modulation of ylang ylang ylang, kanunga, Violet, narcissus, etc. It can also be used as an intermediate for other spices. used in the preparation of walnut, hazelnut and other nut-type spices spices, intermediates of spices. |
| production method | is prepared by the methylation reaction of p-Cresol with dimethyl sulfate in the presence of sodium hydroxide. After the reaction, the product was obtained by neutralization and washing, separation by layers and distillation under reduced pressure. The process was similar to that of 2-methylanisole. methylated from p-cresol. |
| category | flammable liquid |
| toxicity grade | poisoning |
| Acute toxicity | oral-rat LD50: 1920 mg/kg |
| stimulation data | Skin-rabbit 500 mg/24 h moderate |
| flammability hazard characteristics | flammability; Combustion stimulus smoke |
| storage and transportation characteristics | warehouse ventilation and low temperature drying |
| extinguishing agent | dry powder, foam, sand, water |
| Occupational Standard | SEL 10 mg/m3 |
| 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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