Tricyclohexylphosphine oxide

Modify Date: 2025-08-21 12:21:51

Tricyclohexylphosphine oxide Structure
Tricyclohexylphosphine oxide structure
 Common Name Tricyclohexylphosphine oxide
CAS Number 13689-19-5 Molecular Weight 296.428
Density 1.0±0.1 g/cm3 Boiling Point 466.6±12.0 °C at 760 mmHg
Molecular Formula C18H33OP Melting Point 155-157ºC
MSDS N/A Flash Point 236.0±19.6 °C

 Names

Name dicyclohexylphosphorylcyclohexane
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.0±0.1 g/cm3
Boiling Point 466.6±12.0 °C at 760 mmHg
Melting Point 155-157ºC
Molecular Formula C18H33OP
Molecular Weight 296.428
Flash Point 236.0±19.6 °C
Exact Mass 296.226898
PSA 26.88000
LogP 4.42
Vapour Pressure 0.0±1.1 mmHg at 25°C
Index of Refraction 1.492
Water Solubility Soluble in most organic solvents. Insoluble in water.

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
SZ1600000
CHEMICAL NAME :
Phosphine oxide, tricyclohexyl-
CAS REGISTRY NUMBER :
13689-19-5
BEILSTEIN REFERENCE NO. :
2808763
LAST UPDATED :
199612
DATA ITEMS CITED :
1
MOLECULAR FORMULA :
C18-H33-O-P
MOLECULAR WEIGHT :
296.48
WISWESSER LINE NOTATION :
L6TJ APO&- AL6TJ&- AL6TJ

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#03087

 Safety Information

Risk Phrases R36/37/38
Safety Phrases 26-36/37/39
RIDADR UN3464
Packaging Group III
Hazard Class 6.1
HS Code 2902199090

 Synthetic Route

 Customs

HS Code 2902199090
Summary 2902199090 other cyclanes, cyclenes and cyclotherpenes。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0%

 Synonyms

Tricyclohexylphosphine oxide
tricyclohexylphosphane oxide
MFCD00014298
Phosphorane, tricyclohexyl-, oxide
PHOSPHINE OXIDE,TRICYCLOHEXYL
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