24650-42-8
24650-42-8 structure
- Name: DMPA
- Chemical Name: 2,2-dimethoxy-1,2-diphenylethanone
- CAS Number: 24650-42-8
- Molecular Formula: C16H16O3
- Molecular Weight: 256.296
- Catalog: Chemical reagent Organic reagent Aromatic ketone
- Create Date: 2018-08-16 15:24:44
- Modify Date: 2026-07-23 19:43:46
| Name | 2,2-dimethoxy-1,2-diphenylethanone |
|---|---|
| Synonyms |
Benzoin diMethyl ether (DMPA)
2,2-dimethoxy-1,2-di(phenyl)ethanone 2,2-Dimethoxy-1,2-diphenylethanone Benzil mono(dimethyl acetal) Lucirin BDK irgacure621 2,2-DIMETHOXY-2-PHENYLACETOPHENONE(BENZILDIMETHYLKETAL) esacurekb1 ALPHA,ALPHA-DIMETHOXY-ALPHA-PHENYLACETOPHENONE 1,2-diphenylethane-1,2-dione, dimethyl ketal α,α-Dimethoxy-α-phenylacetophenone irg651 2,2-DiMethoxy-1,2-diphenyl-1-ethanone Ethanone,2,2-dimethoxy-1,2-diphenyl 2,2-DiMethoxy-2-phenylacetophenone, R BENZIL DIMETHYL KETAL (UV-651) Benzoin dimethyl eth Benzoin dimethyl ether Quantacure BDK benzilmono(dimethylketal) Benzil mono(dimethyl ketal) 2,2-dimethoxy-1,2-diphenyl-Ethanone 1,2-diphenyl-1-keto-2,2-dimethoxyethane lucirinbdk irgacure951 Benzoin dimethyl ether (DMPA) Ciba IRGACURE 651 2,2-DiMethoxy-1,2-diphenylethan-1-one Photomer 51 2,2-DIMETHOXY-2-PHENYLACETOPHENONE 2-Phenyl-2,2-dimethoxyacetophenone BDK (Benzildimethylketal) α,α-Dimethoxydeoxybenzoin 1,2-Diphenylethane-1,2-dione,dimethylketal kb1 alpha,alpha-dimethoxydeoxybenzoin 2,2-diethoxy-2-phenylacetophenone PHOTOCURE 51 α-Phenyl-α,α-dimethoxyacetophenone Esacure KB 1 BENZIL ALPHA,ALPHA-DIMETHYL ACETAL BENZIL DIMETHYL KETAL irgacure641 Irgakur 651 2,2-dimethoxy-1,2-diphenylethan-1-one IrgacureR651 benzilmono(dimethylacetal) 2,2-Dimethoxyphenylacetophenone Benzil α,α-dimethyl acetal 1,2-Diphenyl-2,2-diMethoxyethanone 2,2-dimethoxyphenylacetophenone Irgacure 651 2,2-dimethoxy-1,2-diphenyl-ethanon former IRGACURE UNII-1DK0094V28 Benzil Dimethylketal EINECS 246-386-6 DIMETHYL BENZIL KETAL 1,2-Diphenyl-2,2-dimethoxyethanone 2,2-DIMETHOXY-1,2-DIPHENYLETHANE-1-ONE α,α-Dimethoxy-α-phenylacetophenone, Benzil α,α-dimethyl acetal 2,2-Dimethoxy-1,2-diphenylethane-1-on irgacure651 benzildimethylacetal Phenyl[dimethoxy(phenyl)methyl] ketone Benzil dimethyl ketal Benzil dimethyl ketone,BDK BenzoindiMethyl ether(DMPA)two irgacurei651 irgacuree651 IHT-PI BDK 2,2-Dimethoxy-2-phenylacetophenone kayacurebdmk Kayacure BDMK MFCD00008475 Benzil dimethyl acetal (6CI) |
| Density | 1.1±0.1 g/cm3 |
|---|---|
| Boiling Point | 371.1±42.0 °C at 760 mmHg |
| Melting Point | 67-70 °C(lit.) |
| Molecular Formula | C16H16O3 |
| Molecular Weight | 256.296 |
| Flash Point | 169.6±14.3 °C |
| Exact Mass | 256.109955 |
| PSA | 35.53000 |
| LogP | 4.76 |
| Vapour Pressure | 0.0±0.8 mmHg at 25°C |
| Index of Refraction | 1.553 |
| Stability | Stability Stable, but light-sensitive. Combustible. Incompatible with strong acids, strong oxidizing agents. |
| Water Solubility | methylene chloride: 20 mg/mL, clear |
| Symbol |
GHS07, GHS09 |
|---|---|
| Signal Word | Warning |
| Hazard Statements | H317-H410 |
| Precautionary Statements | P273-P280-P501 |
| Personal Protective Equipment | dust mask type N95 (US);Eyeshields;Faceshields;Gloves |
| Hazard Codes | Xi:Irritant |
| Risk Phrases | R43;R50/53 |
| Safety Phrases | S36/37-S60-S61 |
| RIDADR | UN 3077 9/PG 3 |
| WGK Germany | 2 |
| RTECS | KM5775658 |
| Hazard Class | 9.0 |
| HS Code | 2914509090 |
| Precursor 10 | |
|---|---|
| DownStream 9 | |
| HS Code | 2914509090 |
|---|---|
| Summary | HS:2914509090 other ketones with other oxygen function VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0% |