4,4'-Dimethylbenzophenone
4,4'-Dimethylbenzophenone
CAS: 611-97-2
Molecular Formula: C15H14O
4,4'-Dimethylbenzophenone - Names and Identifiers
| Name | 4,4'-Dimethylbenzophenone |
| Synonyms | p-Tolyl ketone Di-p-tolyl ketone Bis-p-tolyl ketone Di-p-tolylmethanone 4,4'-Carbonylbis[toluene] Di(4-methylphenyl) ketone 4,4'-Dimethylbenzophenone 4,4'-Carbonylbis(toluene) Bis(4-methylphenyl)methanon di(4-methylphenyl)methanone Benzophenone, 4,4'-dimethyl- bis(4-methylphenyl)-methanon Bis(4-methylphenyl)methanone methanone, bis(4-methylphenyl)- Methanone, bis(4-methylphenyl)- |
| CAS | 611-97-2 |
| EINECS | 210-287-6 |
| InChI | InChI=1/C15H14O/c1-11-3-7-13(8-4-11)15(16)14-9-5-12(2)6-10-14/h3-10H,1-2H3 |
4,4'-Dimethylbenzophenone - Physico-chemical Properties
| Molecular Formula | C15H14O |
| Molar Mass | 210.27 |
| Density | 1.0232 (rough estimate) |
| Melting Point | 90-93°C(lit.) |
| Boling Point | 200°C17mm Hg(lit.) |
| Flash Point | 200°C/17mm |
| Water Solubility | Insoluble in water. |
| Vapor Presure | 3.43E-05mmHg at 25°C |
| Appearance | Crystalline Powder |
| Color | Pale brown |
| BRN | 1240527 |
| Storage Condition | Sealed in dry,Room Temperature |
| Refractive Index | 1.5361 (estimate) |
| MDL | MFCD00017214 |
4,4'-Dimethylbenzophenone - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S22 - Do not breathe dust. S24/25 - Avoid contact with skin and eyes. S36/37 - Wear suitable protective clothing and gloves. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
| WGK Germany | 3 |
| TSCA | Yes |
| HS Code | 29143990 |
4,4'-Dimethylbenzophenone - Reference Information
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Introduction | 4,4 '-dimethylbenzophenone is white crystalline, density: 1.18 g/cm3, boiling Point: 200 ° C 17mm Hg(lit.), melting Point: 90-93°C(lit.). It is widely used in daily chemical industry, perfume food, organic coatings, dyes, plastics, pharmaceuticals, pesticides and other fields. |
| synthesis method | with P-methylbenzoyl chloride and toluene as raw materials, anhydrous AlCl 3 as catalyst, friedel-Crafts acylation gave 4,4 '-dimethylbenzophenone (4,4'-DMBP). The synthesis reaction formula is as follows: |
Last Update：2024-04-09 20:52:54
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