tris(4-methylphenyl)phosphine oxide

Modify Date: 2024-01-02 19:23:12

tris(4-methylphenyl)phosphine oxide Structure
tris(4-methylphenyl)phosphine oxide structure
Common Name tris(4-methylphenyl)phosphine oxide
CAS Number 797-70-6 Molecular Weight 320.36500
Density 1.12g/cm3 Boiling Point 490ºC at 760 mmHg
Molecular Formula C21H21OP Melting Point 145ºC
MSDS N/A Flash Point 250.2ºC

 Names

Name 1-bis(4-methylphenyl)phosphoryl-4-methylbenzene
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.12g/cm3
Boiling Point 490ºC at 760 mmHg
Melting Point 145ºC
Molecular Formula C21H21OP
Molecular Weight 320.36500
Flash Point 250.2ºC
Exact Mass 320.13300
PSA 26.88000
LogP 4.25120
Index of Refraction 1.598

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
SZ2000000
CHEMICAL NAME :
Phosphine oxide, tris(p-tolyl)-
CAS REGISTRY NUMBER :
797-70-6
BEILSTEIN REFERENCE NO. :
2810669
LAST UPDATED :
199612
DATA ITEMS CITED :
1
MOLECULAR FORMULA :
C21-H21-O-P
MOLECULAR WEIGHT :
320.39
WISWESSER LINE NOTATION :
1R DPO&R D1&R D1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
56 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) Volume(issue)/page/year: NX#02262

 Safety Information

RTECS SZ2000000
HS Code 2931900090

 Synthetic Route

 Customs

HS Code 2931900090
Summary 2931900090. other organo-inorganic compounds. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0%

 Synonyms

tris-(4-methylphenyl)phosphine oxide
tri(4-methylphenyl)phosphine oxide
MFCD00059321
Phosphine oxide,tris(p-tolyl)
Tris(p-tolyl)phosphine oxide
tritolylphosphine oxide
Tri-p-tolylphosphine Oxide
tri(4-tolyl)phosphine oxide
tri(p-tolyl)phosphane oxide
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