C16H16O3
256.3 g/mol
Industrial ChemicalWarning
2,2-Dimethoxy-2-phenylacetophenone
CAS24650-42-8EC246-386-6
Category
Industrial Chemical
Compound Class
Aromatic
Primary Use
Photoinitiator for UV-curable materials
2,2-Dimethoxy-2-phenylacetophenone is a photoinitiator used in UV-curable materials such as inks, coatings, and adhesives. It has also been reported in Camellia sinensis.
Photoinitiator for UV-curable inksPhotoinitiator for UV-curable coatingsPhotoinitiator for UV-curable adhesives
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Flavor ingredient and fragrance component
Safety Reference
Warning
H302Harmful if swallowed
H373May cause damage to organs through prolonged or repeated exposure
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects
H412Harmful to aquatic life with long lasting effects
Customs Tariff Classification
The international HS code for 2,2-Dimethoxy-2-phenylacetophenone (CAS 24650-42-8) is 2914.50.
HS code (international, 6-digit)
2914.50
EU CN code (8-digit)
2914 50 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
2,2-dimethoxy-1,2-diphenylethanone
InChIKey
KWVGIHKZDCUPEU-UHFFFAOYSA-N
SMILES
COC(C1=CC=CC=C1)(C(=O)C2=CC=CC=C2)OC
Synonyms (39)
- 2,2-Dimethoxy-2-phenylacetone
- Benzil dimethyl acetal
- Benzil dimethyl ketal
- Benzil mono(dimethyl acetal)
- Benzil mono(dimethyl ketal)
- Benzoin dimethyl ether (DMPA)
- Esacure KB 1
- Irgacure 621
- Irgacure 641
- Irgacure 651
- Irgacure 951
- Irgacure E 651
- Irgacure I 651
- KB 1
- Kayacure BDMK
- Lucirin BDK
- Phenyldimethoxyacetophenone
- Photocure 51
- Photomer 51
- dimethoxyphenylacetophenone
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