1. Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide

Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide, with other synonyms of 2,4,6-Trimethyl benzoyldiphenyl phosphine oxide, Methanone, (diphenylphosphinyl)(2,4,6-trimethylphenyl)-, has the Molecular Formula of C₂₂H₂₁O2P and Molecular Weight of 348.37. With the CAS registry number 75980-60-8, this chemical is incompatible with strong oxidizing agents. As one kind of white or cream powder, it is stable in normal pressure and temperature. When comes to the Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide usage, it could be applied as one photo initiator, and it is used in many kinds of ink industries.

2. The Molecular structure Data of delta-Valerolactone are as below: 

(1)molar refraction: 101.52;
(2)molar volume (m³/mol): 296.6;
(3)parachor (90.2K): 782.6;
(4)surface tension (dyne/cm): 48.4;
(5)polarizability (10^-24cm³): 40.24.

3. Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide Manufacturer

Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide products in the Chinese market: Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide 99.0% min from Hangzhou Chemfar Ltd., and the detailed products information are: Appearance: white crystal; Package: 25kg/drum; Storage: room temperature; Transportation: as non-dangerous cargo; Application: as photo initiator. Besides, there are many other Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide products with other assays, such as Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide 97%.