Tributylphosphine

Modify Date: 2025-08-20 15:28:38

Tributylphosphine Structure
Tributylphosphine structure
 Common Name Tributylphosphine
CAS Number 998-40-3 Molecular Weight 202.316
Density 0.81 g/mL at 25 °C(lit.) Boiling Point 244.8±0.0 °C at 760 mmHg
Molecular Formula C12H27P Melting Point -65 °C
MSDS Chinese USA Flash Point 112.2±25.0 °C
Symbol GHS02 GHS05 GHS07
GHS02, GHS05, GHS07		 Signal Word Danger

 Names

Name Tributylphosphane
Synonym More Synonyms

 Chemical & Physical Properties

Density 0.81 g/mL at 25 °C(lit.)
Boiling Point 244.8±0.0 °C at 760 mmHg
Melting Point -65 °C
Molecular Formula C12H27P
Molecular Weight 202.316
Flash Point 112.2±25.0 °C
Exact Mass 202.185043
PSA 13.59000
LogP 5.60
Vapour density 9 (vs air)
Vapour Pressure 0.0±0.4 mmHg at 25°C
Index of Refraction n20/D 1.462(lit.)
InChIKey TUQOTMZNTHZOKS-UHFFFAOYSA-N
SMILES CCCCP(CCCC)CCCC
Stability Stable, but pyrophoric - spontaneously inflammable in air. Incompatible with oxidizing agents. Moisture sensitive.
Water Solubility insoluble

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
SZ3270000
CHEMICAL NAME :
Phosphine, tributyl-
CAS REGISTRY NUMBER :
998-40-3
BEILSTEIN REFERENCE NO. :
1738261
LAST UPDATED :
199701
DATA ITEMS CITED :
3
MOLECULAR FORMULA :
C12-H27-P

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
750 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
34ZIAG "Toxicology of Drugs and Chemicals," Deichmann, W.B., New York, Academic Press, Inc., 1969 Volume(issue)/page/year: -,600,1969
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
2 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
34ZIAG "Toxicology of Drugs and Chemicals," Deichmann, W.B., New York, Academic Press, Inc., 1969 Volume(issue)/page/year: -,600,1969

 Safety Information

Symbol GHS02 GHS05 GHS07
GHS02, GHS05, GHS07
Signal Word Danger
Hazard Statements H226-H250-H302-H312-H314
Precautionary Statements P222-P231-P280-P305 + P351 + P338-P310-P422
Personal Protective Equipment Faceshields;full-face respirator (US);Gloves;Goggles;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Hazard Codes F:Flammable;C:Corrosive;
Risk Phrases R11;R17;R21/22;R34
Safety Phrases S41-S36/37/39-S26-S16-S45-S43-S17
RIDADR UN 3254 4.2/PG 1
WGK Germany 3
RTECS SZ3270000
Packaging Group I
Hazard Class 4.2
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%

 Articles177

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 Synonyms

Tributylphosphine
EINECS 213-651-2
tri-n-butyl-phosphine
Tris(butyl)phosphine
Phosphine,tributyl
tri-n-butylphosphane
tris(n-butyl)phosphine
UNII:0O52FJR7WN
Tributylfosfin [Czech]
MFCD00009462
Phosphine, tributyl-
Tributylphosphan
Tri-n-Butylphosphine
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