C26H27O3P
418.5 g/mol
Industrial ChemicalWarning
Phenylbis(2,4,6-trimethylbenzoyl)phosphine oxide
CAS162881-26-7EC423-340-5
Category
Industrial Chemical
Compound Class
Other
Primary Use
photoinitiator for polymerization
Phenylbis(2,4,6-trimethylbenzoyl)phosphine oxide is an industrial chemical used primarily as a photoinitiator for polymerization reactions. It facilitates the curing of coatings, inks, and adhesives under UV light exposure.
photoinitiator for polymerizationphotosensitive agent
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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Related Compounds
SimilarStructure SimilarSimilarity 0.75
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Safety Reference
Warning
H317May cause an allergic skin reaction
H413May cause long lasting harmful effects to aquatic life
H411Toxic to aquatic life with long lasting effects
Customs Tariff Classification
The international HS code for Phenylbis(2,4,6-trimethylbenzoyl)phosphine oxide (CAS 162881-26-7) is 2931.49.
HS code (international, 6-digit)
2931.49
EU CN code (8-digit)
2931 49 80
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
[phenyl-(2,4,6-trimethylbenzoyl)phosphoryl]-(2,4,6-trimethylphenyl)methanone
InChIKey
GUCYFKSBFREPBC-UHFFFAOYSA-N
SMILES
CC1=CC(=C(C(=C1)C)C(=O)P(=O)(C2=CC=CC=C2)C(=O)C3=C(C=C(C=C3C)C)C)C
Synonyms (13)
- IRGACURE 801
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