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Appearance	Pale yellow powder or crystal
Assay	≥ 99%
Acid Value(mg KOH)	≤ 0.5
Volatile	≤ 0.2%
Melting point(℃ )	91-94
Use	used for screen printing ink, lithographic printing ink, flexographic ink, wood coating
Package	20kg/carton

Appearance	Pale yellow powder or crystal
Assay	≥ 99%
Acid Value(mg KOH)	≤ 0.5
Volatile	≤ 0.2%
Melting point(℃ )	91-94
Use	used for screen printing ink, lithographic printing ink, flexographic ink, wood coating
Package	20kg/carton

Product Name: Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide
Synonyms: diphenyl(2,4,6-trimethylbenzoyl)-phosphineoxid;
PHOSPHINE OXIDE, DIPHENYL(2,4,6-TRIMETHYLBENZOYL)-;
2,4,6-TRIMETHYLBENZOYLDIPHENYLPHOSPHINE OXIDE;
Diphenyl(2,4,6-trimethylbenzoyl);
SPEEDCURE TPO

Product Categories: Functional Materials;
Photopolymerization Initiators;Miscellaneous;
Organic Photoinitiators;Polymerization Initiators;chemical additive

Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide Chemical Properties
mp 88-92 °C(lit.)
density 1.12 g/mL at 25 °C(lit.)
refractive index n20/D 1.475(lit.)
Fp >230 °F


Chemical Properties white or cream powder
Usage photo initiator, used in many kinds of ink industries

Appearance	Pale yellow powder or crystal
Assay	≥ 99%
Acid Value(mg KOH)	≤ 0.5
Volatile	≤ 0.2%
Melting point(℃ )	91-94
Application	used for screen printing ink, lithographic printing ink, flexographic ink, wood coating
Package	20kg/carton

Molecular Formula: C22H21O2P
Molecular Weight: 348.37
Hazard Symbols: Xn,N
UN Number: UN 3077 9 / PGIII
WGKGermany: 2
PackingGroup: III
HS Code: 29319090

CAS No.	75980-60-8
Other Names	Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide
MF	C22H21O2P
EINECS No.	278-355-8
Place of Origin	China
Type	Syntheses Material Intermediates
Purity	99%
Brand Name	Unilong
Model Number	JL20211516
Application	Organic synthesis
Appearance	Powder
Molecular Weight	348.37
Color	White
Melting point	88-92 °C(lit.)
Boiling point	519.6±60.0 °C(Predicted)
Storage	Cool Dry Place
DELIVERY	Immediately

Purity: 97%
Smile code: CC1=CC(C)=C(C(=O)P(=O)(C2=CC=CC=C2)C2=CC=CC=C2)C(C)=C1
MDL Number: MFCD00192110
MolFormula: C22H21O2P
MolWeight: 348.3747
Available in stock: 10990

Smile code:
CC1=CC(C)=C(C(=O)P(=O)(C2=CC=CC=C2)C2=CC=CC=C2)C(C)=C1
MDL Number:
MFCD00192110
Purity :
97%
Available in stock:
10435 g

Category	Common UV Photoinitiators
UV Absorption Peak	275,379nm
Features	Low yelowing, LED385/375
Appearance	Pale yellow crystal
Purity,%.	≥ 99%