Tributylphosphine
- Product Name
- Tributylphosphine
- CAS No.
- 998-40-3
- Chemical Name
- Tributylphosphine
- Synonyms
- PBU3;TBUP;P(n-Bu)3;tributylphosphane;TRI-N-BUTYLPHOSPHINE;Tributylphosphorus;cytop 340;NSC 91700;(n-C4H9)3P;CYTOP(R) 340
- CBNumber
- CB1374003
- Molecular Formula
- C12H27P
- Formula Weight
- 202.32
- MOL File
- 998-40-3.mol
Tributylphosphine Property
- Melting point:
- -65 °C
- Boiling point:
- 150 °C50 mm Hg(lit.)
- Density
- 0.81 g/mL at 25 °C(lit.)
- vapor density
- 9 (vs air)
- vapor pressure
- 1.9Pa at 20℃
- refractive index
- n20/D 1.462(lit.)
- Flash point:
- 99 °F
- storage temp.
- 2-8°C
- form
- liquid
- Specific Gravity
- 0.820 (20/4℃)
- color
- Clear colorless to pale yellow
- Water Solubility
- insoluble
- Sensitive
- Moisture Sensitive/Air Sensitive
- BRN
- 1738261
- Stability:
- Stable, but pyrophoric - spontaneously inflammable in air. Incompatible with oxidizing agents. Moisture sensitive.
- InChIKey
- TUQOTMZNTHZOKS-UHFFFAOYSA-N
- CAS DataBase Reference
- 998-40-3(CAS DataBase Reference)
- NIST Chemistry Reference
- Phosphine, tributyl-(998-40-3)
- EPA Substance Registry System
- Phosphine, tributyl- (998-40-3)
Safety
- Hazard Codes
- Xi,F,C,T
- Risk Statements
- 36/38-34-21/22-17-11-37-36/37/38-61
- Safety Statements
- 41-36/37/39-26-16-45-43-17-5-53
- RIDADR
- UN 3254 4.2/PG 1
- WGK Germany
- 3
- RTECS
- SZ3270000
- F
- 10-13-23
- Autoignition Temperature
- 392 °F
- TSCA
- Yes
- HazardClass
- 4.2
- PackingGroup
- I
- HS Code
- 29319090
Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Danger
- Hazard statements
-
H251Self-heating; may catch fire
H302Harmful if swallowed
H314Causes severe skin burns and eye damage
H411Toxic to aquatic life with long lasting effects
- Precautionary statements
-
P235Keep cool.
P273Avoid release to the environment.
P280Wear protective gloves/protective clothing/eye protection/face protection.
P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.
P303+P361+P353IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.
P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
N-Bromosuccinimide Price
- Product number
- T7567
- Product name
- Tributylphosphine solution
- Purity
- 200?mM (in N-methyl-2-pyrrolidinone), liquid
- Packaging
- 10vials
- Price
- $110
- Updated
- 2024/03/01
- Product number
- 247049
- Product name
- Tributylphosphine
- Purity
- mixture of isomers, 97%
- Packaging
- 100g
- Price
- $112
- Updated
- 2024/03/01
- Product number
- 247049
- Product name
- Tributylphosphine
- Purity
- mixture of isomers, 97%
- Packaging
- 500g
- Price
- $417
- Updated
- 2024/03/01
- Product number
- 014114
- Product name
- Tri-n-butylphosphine
- Purity
- 94%
- Packaging
- 50g
- Price
- $44.4
- Updated
- 2024/03/01
- Product number
- 014114
- Product name
- Tri-n-butylphosphine
- Purity
- 94%
- Packaging
- 250g
- Price
- $179
- Updated
- 2024/03/01
Tributylphosphine Chemical Properties,Usage,Production
Chemical Properties
Clear liquid
Uses
1,4-addition catalyst; used with disulfides for the thioetherification of alcohols; acylation catalyst; used to prepare active esters.
Uses
suzuki reaction
Uses
Tributylphosphine is usually used as catalyst for Domino reactions of activated conjugated dienes with β,γ-unsaturated-α-ketoesters, [3+2]-Cycloadditions,Umpolung addition reactions,Reductive carbonylation, Allylation reactions.
Synthesis Reference(s)
Tetrahedron Letters, 25, p. 2493, 1984 DOI: 10.1016/S0040-4039(01)81213-2
General Description
Tributylphosphane is a colorless to yellowish liquid with a strong garlic-like odor. Tributylphosphane is insoluble in water. Tributylphosphane is liable to heat and ignite spontaneously in air. If involved in a fire phosphine gas, a highly flammable and toxic gas, will evolve. Tributylphosphane is irritating to mucous membranes.
Air & Water Reactions
Highly flammable. May ignite on contact with air or moist air. Insoluble in water.
Reactivity Profile
Organophosphates, such as Tributylphosphane, are susceptible to formation of highly toxic and flammable phosphine gas in the presence of strong reducing agents such as hydrides. Partial oxidation by oxidizing agents may result in the release of toxic phosphorus oxides.
Health Hazard
Fire will produce irritating, corrosive and/or toxic gases. Inhalation of decomposition products may cause severe injury or death. Contact with substance may cause severe burns to skin and eyes. Runoff from fire control may cause pollution.
Fire Hazard
Flammable/combustible material. May ignite on contact with moist air or moisture. May burn rapidly with flare-burning effect. Some react vigorously or explosively on contact with water. Some may decompose explosively when heated or involved in a fire. May re-ignite after fire is extinguished. Runoff may create fire or explosion hazard. Containers may explode when heated.
Purification Methods
Fractionally distil it under reduced pressure in an inert atmosphere (N2) through an 8inch gauze-packed column (b 110-111o/10mm) and redistil it in a vacuum, then seal it in thin glass ampoules. It is easily oxidised by air to tri-n-butylphosphine oxide, b 293-296o/745mm. It has a characteristic odour, it is soluble in EtOH, Et2O, and *C6H6 but is insoluble in H2O and less easily oxidised by air than the lower molecular weight phosphines. It forms complexes, e.g. with CS2 (1:1) m 65.5o (from EtOH). [Davies & Jones J Chem Soc 33 1929, Chernick & Skinner J Chem Soc 1401 1956, Beilstein 4 IV 3436.]
Tributylphosphine Preparation Products And Raw materials
Raw materials
Preparation Products
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View Lastest Price from Tributylphosphine manufacturers
- Product
- Tributylphosphine 998-40-3
- Price
- US $398.00/kg
- Min. Order
- 1kg
- Purity
- 0.98
- Supply Ability
- 25kg
- Release date
- 2023-11-10
- Product
- Tributylphosphine 998-40-3
- Price
- US $50.00/kgkg
- Min. Order
- 1kgkg
- Purity
- 0.99
- Supply Ability
- 20
- Release date
- 2023-09-06
- Product
- Tributylphosphane 998-40-3
- Price
- US $0.00/kg
- Min. Order
- 1kg
- Purity
- 99%
- Supply Ability
- 2000
- Release date
- 2023-09-12