Tributyl Phosphine

Basic Information

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CAS Number

998-40-3

Molecular Formula

C12H27P

Molecular Weight

202.32 g/mol

Chemical Classification

Agricultural Chemicals Pesticides Insecticides

Basic Physical Properties

Melting Point

-65 ºC

Boiling Point

240-242 ºC

Density

0.812

Refractive Index

1.461-1.463

SMILES

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CCCCP(CCCC)CCCC

InChI

InChI=1S/C12H27P/c1-4-7-10-13(11-8-5-2)12-9-6-3/h4-12H2,1-3H3

InChIKey

TUQOTMZNTHZOKS-UHFFFAOYSA-N

LogP

4.868600000000004

Topological Polar Surface Area

0.0 Å²

Hydrogen Bond Donor/Acceptor

0 / 0

Complexity

72.1

Safety Information

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GHS Hazard Pictograms

H226

H250

H302

H312

H314

Hazard Statement

H226 Flammable liquid and vapor
Flammable liquids

H250 Catches fire spontaneously if exposed to air
Pyrophoric liquids; Pyrophoric solids

H302 Harmful if swallowed
Acute toxicity, oral

H312 Harmful in contact with skin
Acute toxicity, dermal

H314 Causes severe skin burns and eye damage
Skin corrosion/irritation

Hazard Class

Class 4.2 Class 4.2

Stability

Stable, but pyrophoric - spontaneously inflammable in air. Incompatible with oxidizing agents. Moisture sensitive.

Sensitiveness

Moisture Sensitive/Air Sensitive

Synonyms & References

English

Tributylfosfin [Czech]
Tribuylphosphine
Tributylphosphorus
nBu3P
FT-0652241
tributyl phosphine
BRN 1738261
Q7840573
Tributylphosphine, >=93.5% (Tri-N-butylphosphine, GC)
EC 213-651-2
CAS-998-40-3
tri-n-butyl phosphin
NCIOpen2_005716
Tri-n-butylphosphine, 99%
Tox21_301600
A22090
PBu3
tributylphospine
Tri-n-butylphosphine, 97%
UNII-0O52FJR7WN
tributy-lphosphine
EN300-27824
SCHEMBL3173609
998-40-3
Bu3P
tri-(n-butyl)phosphine
NSC-91700
(n-C4H9)3P
BP-10599
Phosphine, tributyl-
Tributylphosphane

MDL Number

MFCD00009462

Customs Code

2931900090

FAQ

What is Tributyl Phosphine (CAS: 998-40-3)?

Tributyl phosphine, with the CAS number 998-40-3, is an organophosphorus compound with the chemical formula C12H27P. It is a colorless liquid with a mild odor and is commonly used as a phosphine donor in chemical reactions. Tributyl phosphine is known for its stability under normal conditions and its ability to act as a reducing agent in various synthetic processes.

What are the main uses of Tributyl Phosphine (CAS: 998-40-3)?

Tributyl phosphine is widely utilized in pharmaceuticals, organic synthesis, and industrial chemistry. It serves as a key reagent in coupling reactions, catalytic processes, and as a ligand in transition metal complexes. Additionally, it finds applications in the production of pesticides, flame retardants, and specialty chemicals. Its role in research settings is significant for developing new materials and compounds.

Is Tributyl Phosphine (CAS: 998-40-3) safe?

Tributyl phosphine is considered hazardous and requires careful handling. It can cause skin and eye irritation, and inhalation may lead to respiratory issues. Safety standards recommend using appropriate personal protective equipment (PPE) such as gloves, goggles, and a fume hood. It is also flammable, so storage and use should follow strict safety protocols to prevent accidents.

How should Tributyl Phosphine (CAS: 998-40-3) be stored?

Tributyl phosphine should be stored in a cool, dry, and well-ventilated area, away from heat and direct light. It is typically kept in sealed, airtight containers made of materials compatible with its chemical properties, such as polyethylene or glass. Due to its flammability, storage should be in a fire-resistant cabinet. Maintain storage conditions below 25°C and ensure humidity levels are low to prevent degradation.