tris(4-methylphenyl)phosphine oxide

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Names

[ CAS No. ]:
797-70-6

[ Name ]:
tris(4-methylphenyl)phosphine oxide

[Synonym ]:
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

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

MSDS

Click to get detail MSDS

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

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • Tri-p-tolylphosphine
  • TRI(4-METHYLPHENYL)PHOSPHINE SULFIDE
  • 4-Bromotoluene
  • Tetra(hydroxymethyl)phosphonium chloride
  • 2-λ1-oxidanyloxypropan-2-ylbenzene
  • P-TOLYLMAGNESIUM BROMIDE
  • 4,4,5,5-tetramethyl-2,2,2-tri-p-tolyl-1,3,2l5-dioxaphospholane
  • 2-methyl-3-p-nitrophenyloxaziridine
  • methyl-tris(4-methylphenyl)phosphanium,bromide

DownStream

  • Tri-p-tolylphosphine
  • diphenyl(p-tolyl)phosphine oxide
  • Triphenylphosphine oxide

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%

Related Compounds

  • Tin,tetrachlorobis[tris(4-methylphenyl)phosphine oxide-O]- (9CI)
  • Tris(4-methylphenyl)phosphine
  • Bis(4-methylphenyl)phosphine oxide
  • 1-Cyclopropyl-7-{3-[(ethylamino)methyl]-1-pyrrolidinyl}-6,8-diflu oro-4-oxo-1,4-dihydro-3-quinolinecarboxylic acid
  • (phenyl)di(4-methylphenyl)phosphine oxide
  • Tris(4-fluorophenyl)phosphine oxide
  • (2S)-2-{2-[1-benzyl-4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)piperidin-4-yl]acetamido}butanoic acid
  • 6-ethyl-5-fluoro-2-[5-(1-methylpyrazole-3-carbonyl)-1,3,3a,4,6,6a-hexahydropyrrolo[3,4-c]pyrrol-2-yl]-5H-pyrimidin-4-one
  • N-[[3-(2-oxo-3H-pyridin-3-yl)-1,2,4-oxadiazol-5-yl]methyl]pyridine-4-carboxamide
  • 6-ethyl-5-fluoro-2-[5-(2-methyl-1,3-thiazole-4-carbonyl)-1,3,3a,4,6,6a-hexahydropyrrolo[3,4-c]pyrrol-2-yl]-5H-pyrimidin-4-one
  • 6-[4-(5-Ethylthiophen-2-yl)sulfonylpiperazin-1-yl]-3-methyl-1,3-diazinane-2,4-dione
  • N-[2-(2,4-dioxo-4aH-thieno[3,2-d]pyrimidin-3-yl)ethyl]-2-(2-fluorophenyl)acetamide
  • 1,3-Dimethyl-6-[4-(4-morpholin-4-ylpyrimidin-2-yl)piperazin-1-yl]-1,3-diazinane-2,4-dione
  • 1-(3-Bromo-2-methylphenyl)pyrazin-1-ium-2,3-dione
  • 2-[4-[2-(2,5-dimethylphenoxy)acetyl]piperazin-1-yl]-5-fluoro-6-methyl-5H-pyrimidin-4-one
  • N-[2-(3-cyclopropyl-6-oxopyridazin-1-yl)ethyl]triazolidine-4-carboxamide
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