TPO CAS 75980-60-8

• Iden­ti­fi­ca­tion
• Prop­er­ties
• Safe­ty Data
• Spec­i­fi­ca­tions & Oth­er Information
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Iden­ti­fi­ca­tion

CAS Number

75980-60-8

Name

TPO

Syn­onyms

(2,4,6-trimethylbenzoyl)diphenylphosphine oxide
(Diphenylphosphoryl)(2,4,6-trimethylphenyl)methanon
(diphenylphosphoryl)(2,4,6-trimethylphenyl)methanone
(Diphenylphosphoryl)(mesityl)methanon [Ger­man] [ACD/IUPAC Name]
(Diphenylphosphoryl)(mesityl)methanone [ACD/IUPAC Name]
(Diphénylphosphoryl)(mésityl)méthanone [French] [ACD/IUPAC Name]
2,4,6-TRIMETHYL­BEN­ZOYL DIPHENYLPHOS­PHINE OXIDE
278-355-8 [EINECS]
75980-60-8 [RN]
Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide
Methanone, (diphenylphosphinyl)(2,4,6-trimethylphenyl)- [ACD/​Index Name]
MFCD00192110 [MDL num­ber]
(diphenylphosphoroso)(2,4,6-trimethylphenyl)methanone
[75980-60-8]
2,4,6-Trimethyl ben­zoyldiphenyl phos­phine oxide
2,4,6-Trimethylbenzoyldi phenylphos­phi­nox­ide
2,4,6-Trimethyl-Benzoyl-Diphenyl-
2,4,6-Trimethylbenzoyldiphenyl phos­phine Oxide
2,4,6-TRIMETHYL­BEN­ZOYL-DIPHENYL PHOS­PHINE OXIDE
2,4,6-Trimethylbenzoyldiphenylphosphine oxide
2,4,6-Trimethylbenzoylphenyl phos­phi­nate
596818-40-5 [RN]
Biphenyl(2,4,6-trimethyl-benzoyl)phosphine oxide
BR-72963
di(phenyl)phosphoryl-(2,4,6-trimethylphenyl)methanone
Diphenyl (2,4,6-trimethylbenzoyl)phosphine oxide
Diphenyl (2,4,6-trimethylbenzoyl)-phosphine?oxide
Diphenyl phos­phi­neox­ide
diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide,
diphenyl(2,4,6-trimethylbenzoyl)phosphineoxide
diphenylphosphino[(2,4,6-trimethylphenyl)carbonyl]-1-one
diphenylphosphoryl-(2,4,6-trimethylphenyl)methanone
EINECS 278-355-8
phenyl-[phenyl-(2,4,6-trimethylphenyl)phosphoryl]methanone
Phos­phine oxide, diphenyl(2,4,6-trimethylbenzoyl)-
Pho­to­cure TPO
QA-6854
SBB057714
TL8005191
TPO
VFHVQBAGLAREND-UHF­F­­FAOYSA-N

SMILES

Cc1cc(c(c(c1)C)C(=O)P(=O)(c2ccccc2)c3ccccc3)C

Std­InChI

InChI=1S/C22H21O2P/c1-16-14-17(2)21(18(3)15-16)22(23)25(24,19-10-6-4-7-11-19)20-12-8-5-9-13-20/h4-15H,1-3H3

Std­InChIKey

VFHVQBAGLAREND-UHF­F­­FAOYSA-N

Mol­e­c­u­lar Formula

C₂₂H₂₁O₂P

Mol­e­c­u­lar Weight

348.375

EINECS

278-355-8

MDL Number

MFCD00192110

Prop­er­ties

Appear­ance

Pale yel­low crys­tal or powder

Melt­ing Point

91-94°C

Safe­ty Data

Sym­bol

GHS07, GHS08, GHS09

Sig­nal Word

Warn­ing

Haz­ard statements

Pre­cau­tion­ary Statements

Per­son­al Pro­tec­tive Equipment

Eye­shields, Gloves, type N95 (US)

RIDADR 

UN 3077 9 / PGI­II

WGK Germany

2

Spec­i­fi­ca­tions and Oth­er Infor­ma­tion of Our TPO CAS 75980-60-8

Iden­ti­fi­ca­tion Methods

HNMR, UV

Puri­ty

98% min,

Absorp­tion (nm)

+31.0-+35.0°

Rec­om­mend­ed Concentration

0.3-0.5% in clear coat­ings ; 0.5-3.0% in pig­ment­ed coatings

Rec­om­mend­ed Applications

Over­print Varnishes;White Coatings;Wood Coatings;Screen Inks;Flexo Inks ;Print­ing Plates

Pack­age

20kg/​Carton , 600kg/​Pallet

Stor­age

Pho­­to-ini­­ti­a­­tor TPO is sen­si­tive to vis­i­ble light and any expo­sure to sun­light should be avoid­ed.
Kept at low/​ambient tem­per­a­ture and dry con­di­tions. Avoid con­tact­ing with strong oxi­dants.
The prod­uct is sta­ble for 2 years if stored in orig­i­nal, sealed con­tain­ers under above-men­­tioned
con­di­tions.

Known Appli­ca­tion

1.TPO is a pho­­to-ini­­ti­a­­tor for cur­ing styrene-based unsat­u­rat­ed poly­esters and acrylic resins. Its absorp­tion in the long-wave region of the UV spec­trum can ful­ly cure even white paints and sur­faces pig­ment­ed with TiO 2 . Such coat­ings are char­ac­ter­ized by par­tic­u­lar­ly low yel­low­ing. IHT-PI
TPO can also be used to cure clear coat­ings and is par­tic­u­lar­ly suit­able when low-odor prod­ucts are desired.

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