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

Name: Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide
SKU: 0

Common Name Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide
CAS Number 75980-60-8
Molecular Weight 348.375
Density 1.2±0.1 g/cm3 Boiling Point 519.6±60.0 °C at 760 mmHg
Molecular Formula C22H21O2P Melting Point 88-92 °C(lit.)

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Product Introduction

Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name	Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide
Synonym	More Synonyms

Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density	1.2±0.1 g/cm3
Boiling Point	519.6±60.0 °C at 760 mmHg
Melting Point	88-92 °C(lit.)
Molecular Formula	C22H21O2P
Molecular Weight	348.375
Flash Point	268.1±32.9 °C
Exact Mass	348.127930
PSA	43.95000
LogP	4.49
Vapour Pressure	0.0±1.4 mmHg at 25°C
Index of Refraction	1.600
InChIKey	VFHVQBAGLAREND-UHFFFAOYSA-N
SMILES	Cc1cc(C)c(C(=O)P(=O)(c2ccccc2)c2ccccc2)c(C)c1
Stability	Stable. Incompatible with strong oxidizing agents.

MSDS

This table provides MSDS information including hazard classification, first‑aid, fire‑fighting, spill handling, operation and storage instructions.

MSDS(Chinese)

Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.


Signal Word	Warning
Hazard Statements	H317-H361-H411
Precautionary Statements	P280
Personal Protective Equipment	Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Hazard Codes	Xn: Harmful;
Risk Phrases	22
Safety Phrases	S22-S24/25
RIDADR	UN 3077 9 / PGIII
WGK Germany	2
RTECS	SZ0395000
HS Code	2931900090

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