C22H21O2P
348.4 g/mol
Industrial ChemicalDanger
Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide
CAS75980-60-8EC278-355-8
Category
Industrial Chemical
Compound Class
Aromatic
Primary Use
Photoinitiator for UV curing
Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide is a phosphine oxide compound used as a photoinitiator for UV curing. It initiates polymerization upon exposure to UV light, enabling the rapid hardening of coatings, inks, and adhesives.
Photoinitiator for UV curingPhotosensitive agentPhotosensitizer
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
Bis-trimethylbenzoyl phenylphosphine oxide
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photoinitiator for polymerization
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industrial intermediate reagent
Safety Reference
Danger
H317May cause an allergic skin reaction
H361Suspected of damaging fertility or the unborn child
H411Toxic to aquatic life with long lasting effects
Regulatory Compliance1
- EU REACH SVHCEURegulation
Customs Tariff Classification
The international HS code for Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide (CAS 75980-60-8) 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
diphenylphosphoryl-(2,4,6-trimethylphenyl)methanone
InChIKey
VFHVQBAGLAREND-UHFFFAOYSA-N
SMILES
CC1=CC(=C(C(=C1)C)C(=O)P(=O)(C2=CC=CC=C2)C3=CC=CC=C3)C
Synonyms (20)
- ADDITOL TPO
- CHIVACURE TPO
- DOUBLECURE TPO
- GENOCURE TPO
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