2,2-Dimethoxy-2-phenylacetophenone
- CAS No.
- 24650-42-8
- Chemical Name:
- 2,2-Dimethoxy-2-phenylacetophenone
- Synonyms
- DMPA;BDK;irgacure651;2,2-bimethoxy-2-phenylacetophenone;2,2-dimethoxy-1,2-diphenylethan-1-one;BENZIL DIMETHYL KETAL;irg651;IHT-PI BDK;Benzoin diMethyl ether (DMPA);2,2-Dimethoxy-1,2-diphenylethanone
- CBNumber:
- CB0439891
- Molecular Formula:
- C16H16O3
- Molecular Weight:
- 256.3
- MDL Number:
- MFCD00008475
- MOL File:
- 24650-42-8.mol
- MSDS File:
- SDS
| Product description | Number | Pack Size | Price |
| 2,2-Dimethoxy-2-phenylacetophenone 99% | 196118 | 50g | $86.3 |
| 2,2-Dimethoxy-2-phenylacetophenone 99% | 196118 | 250g | $307 |
| 2,2-Dimethoxy-2-phenylacetophenone >98.0%(GC) | D1702 | 25g | $32 |
| 2,2-Dimethoxy-2-phenylacetophenone >98.0%(GC) | D1702 | 100g | $90 |
| 2,2-Dimethoxy-2-phenylacetophenone >98.0%(GC) | D1702 | 500g | $270 |
| More product size | |||
| Melting point | 67-70 °C(lit.) |
|---|---|
| Boiling point | 169°C 7mm |
| Density | 1.1320 (rough estimate) |
| vapor pressure | 0.002Pa at 25℃ |
| refractive index | 1.5590 (estimate) |
| Flash point | 190 °C |
| storage temp. | Keep in dark place,Sealed in dry,Room Temperature |
| solubility | methylene chloride: 20 mg/mL, clear |
| form | Crystalline Powder |
| color | White to pale yellow |
| Water Solubility | 66.32mg/L at 25℃ |
| BRN | 2054295 |
| Stability | Stable, but light-sensitive. Combustible. Incompatible with strong acids, strong oxidizing agents. |
| Cosmetics Ingredients Functions | FRAGRANCE |
| InChI | 1S/C16H16O3/c1-18-16(19-2,14-11-7-4-8-12-14)15(17)13-9-5-3-6-10-13/h3-12H,1-2H3 |
| InChIKey | KWVGIHKZDCUPEU-UHFFFAOYSA-N |
| SMILES | COC(OC)(C(=O)c1ccccc1)c2ccccc2 |
| LogP | 2.95 at 25℃ |
| CAS DataBase Reference | 24650-42-8(CAS DataBase Reference) |
| FDA UNII | 1DK0094V28 |
| NIST Chemistry Reference | Ethanone, 2,2-dimethoxy-1,2-diphenyl-(24650-42-8) |
| EPA Substance Registry System | Ethanone, 2,2-dimethoxy-1,2-diphenyl- (24650-42-8) |
| UNSPSC Code | 12162002 |
| NACRES | NA.23 |
SAFETY
Risk and Safety Statements
| Symbol(GHS) | ![]() ![]() GHS07,GHS08 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Signal word | Warning | |||||||||
| Hazard statements | H302-H373-H412 | |||||||||
| Precautionary statements | P260-P264-P270-P273-P301+P312-P314 | |||||||||
| target organs | oral cavity | |||||||||
| PPE | dust mask type N95 (US), Eyeshields, Faceshields, Gloves | |||||||||
| Hazard Codes | Xi,N | |||||||||
| Risk Statements | 43-50/53 | |||||||||
| Safety Statements | 36/37-60-61 | |||||||||
| RIDADR | UN 3077 9/PG 3 | |||||||||
| WGK Germany | 2 | |||||||||
| RTECS | KM5775658 | |||||||||
| F | 8 | |||||||||
| TSCA | TSCA listed | |||||||||
| HazardClass | 9 | |||||||||
| PackingGroup | III | |||||||||
| HS Code | 29145090 | |||||||||
| Storage Class | 11 - Combustible Solids | |||||||||
| Hazard Classifications | Acute Tox. 4 Oral Aquatic Chronic 3 STOT RE 2 |
|||||||||
| NFPA 704 |
|
2,2-Dimethoxy-2-phenylacetophenone price More Price(26)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich | 196118 | 2,2-Dimethoxy-2-phenylacetophenone 99% | 24650-42-8 | 50g | $86.3 | 2026-03-19 | Buy |
| Sigma-Aldrich | 196118 | 2,2-Dimethoxy-2-phenylacetophenone 99% | 24650-42-8 | 250g | $307 | 2026-03-19 | Buy |
| TCI Chemical | D1702 | 2,2-Dimethoxy-2-phenylacetophenone >98.0%(GC) | 24650-42-8 | 25g | $32 | 2026-03-19 | Buy |
| TCI Chemical | D1702 | 2,2-Dimethoxy-2-phenylacetophenone >98.0%(GC) | 24650-42-8 | 100g | $90 | 2026-03-19 | Buy |
| TCI Chemical | D1702 | 2,2-Dimethoxy-2-phenylacetophenone >98.0%(GC) | 24650-42-8 | 500g | $270 | 2026-03-19 | Buy |
2,2-Dimethoxy-2-phenylacetophenone Chemical Properties,Uses,Production
use
2,2-Dimethoxy-2-phenylacetophenone is a photoinitiator, which is used to initialise radical polymerization e.g. in the preparation of acrylate polymers.[1] Under the influence of light the molecule will form radicals which initiate the radical polymerization. It can also be used as an initiator in the process of making an integrated circuit.
Chemical properties
White crystal, melting point 64.0-67.0 ℃, soluble in acetone, ethyl acetate, hot methanol and isopropanol, insoluble in water, easily decomposed in case of acid, stable in alkaline, photosensitive, mainly used as UV (ultra-violet ) curing agent in UV curing system, applied to ink, paper and metal paint, stored in a sealed package, protected from light and heat.
Enterprise standard reference
loss on drying% ≤0.5
Ignited residue% ≤0.1
Water content ≤0.5
transparency (10% acetone solution) transparent
Benzoin residue 0.2%
Solubility (g/100g solvent 25 ℃) acetone >50 methanol 41 styrene >50 butyl acetate >50
transmission 95.0%(425nm) 96.0%(450nm) 98.0%(500nm)
Application
It is widely used in the polymerization of acrylic acid and acrylate, the polymerization and crosslinking of unsaturated polyester. It has been applied in coatings and adhesives and mainly used as UV (ultra-violet ) curing agent in UV curing system, applied to ink, paper and metal paint.
BDK is a kind of highly efficient UV curing initiator, which is mainly used as initiator of UV curing reaction. It is also used as
(1) Used as analytical reagent;
(2) Used for Photosensitive resin printing;
(3)Used as UV curable coatings and inks.
Chemical Properties
solid
Uses
2,2-Dimethoxy-2-phenylacetophenone (cas# 24650-42-8) is a compound useful in organic synthesis.
2,2-Dimethoxy-2-phenylacetophenone Preparation Products And Raw materials
Raw materials
Preparation Products
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| Hu Bei Jiutian Bio-medical Technology CO.,Ltd | 027-88013699 17354350817 | Ryan@jiutian-bio.com | China | 5945 | 58 |
| Alfa Chemistry | +1-5166625404; | Info@alfa-chemistry.com | United States | 20405 | 58 |
| Hebei Chuanghai Biotechnology Co., Ltd | +8615350571055 | Sibel@chuanghaibio.com | China | 8738 | 58 |
| Hebei Yanxi Chemical Co., Ltd. | +8618531123677 | faithe@yan-xi.com | China | 5853 | 58 |
| Hebei Chuanghai Biotechnology Co,.LTD | +86-86-13131129325 +8613131129325 | sales1@chuanghaibio.com | China | 5235 | 58 |
| Hebei Fengjia New Material Co., Ltd | +86-0311-87836622 +86-18712993135 | sales01@tairunfaz.com | China | 8051 | 58 |
| Hebei Chuanghai Biotechnology Co., Ltd | +8615531151365 | mina@chuanghaibio.com | China | 18126 | 58 |
| Henan Bao Enluo International TradeCo.,LTD | +86-17331933971 | deasea125996@gmail.com | China | 2472 | 58 |
| Henan Fengda Chemical Co., Ltd | +86-371-86557731 +86-13613820652 | info@fdachem.com | China | 20124 | 58 |
| Hebei Zhuanglai Chemical Trading Co.,Ltd | +8613343047651 | admin@zlchemi.com | China | 3692 | 58 |
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View Lastest Price from 2,2-Dimethoxy-2-phenylacetophenone manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
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2026-04-22 | 2,2-Dimethoxy-2-phenylacetophenone
24650-42-8
|
US $1.00 / Kg/Bag | 1KG | 99% | 5ton/month | WUHAN FORTUNA CHEMICAL CO., LTD | |
![]() |
2026-04-22 | CES1-IN-42
24650-42-8
|
US $0.00 / removed | 100% | 10g | TargetMol Chemicals Inc. | ||
![]() |
2026-04-22 | 2,2-Dimethoxy-2-phenylacetophenone
24650-42-8
|
US $5.00-4.00 / kg | 0.001kg | 99% | 200tons | Anhuyan (Hainan) Biotechnology Co., LTD |
-

- 2,2-Dimethoxy-2-phenylacetophenone
24650-42-8
- US $1.00 / Kg/Bag
- 99%
- WUHAN FORTUNA CHEMICAL CO., LTD
-

- CES1-IN-42
24650-42-8
- US $0.00 / removed
- 100%
- TargetMol Chemicals Inc.
-

- 2,2-Dimethoxy-2-phenylacetophenone
24650-42-8
- US $5.00-4.00 / kg
- 99%
- Anhuyan (Hainan) Biotechnology Co., LTD






