Cyanomethylenetributylphosphorane - ≥95% , CAS No.157141-27-0

CAS: 157141-27-0 Cat. No.: C330920 Molecular Weight: 241.36 EC Number: 679-660-2
AVAILABLE TO ORDER
GRADE & PURITY ≥95%
Synonyms
2-tributylphosphoranylideneacetonitrile | Acetonitrile, (tributylphosphoranylidene)- | cyanomethylenetribuylphosphorane | SY025792 | A50071 | cyanomethylene tributyl phosphorane | DTXSID90404992 | OZMLUMPWPFZWTP-UHFFFAOYSA-N | Cyanomethylene)tributylphosp
Storage
Protected from light,Store at -20°C,Argon charged,Desiccated
Shipped In
Ice chest + Ice pads
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
1g
C330920-1g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$9.90
5g
C330920-5g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$29.90
25g
C330920-25g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$129.90
100g
C330920-100g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$479.90
Enter a quantity for the sizes you want to add.
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Why this grade

≥95% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Protected from light,Store at -20°C,Argon charged,Desiccated Ships Ice chest + Ice pads Check lot-specific COA for exact specifications.

📋

Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

General description:

(Tributylphosphoranylidene)acetonitrile or cyanomethylenetrimethylphosphorane (Bu3P=CHCN) is a Wittig reagent employed in the transformation of the carbonyl compounds, including aldehydes, esters, and lactones into the corresponding unsaturated nitriles.


Application:

(Tributylphosphoranylidene)acetonitrile can be utilized as a reagent in the:

Stereoselective synthesis of skytanthine and other O- and N-containing heterocycles by Mitsunobu intramolecular cycloalkylation.

Wittig olefination of esters, lactones, N-Boc lactam, and cyclic imide to corresponding Wittig products.

Specifications

Synonyms
2-tributylphosphoranylideneacetonitrile | Acetonitrile, (tributylphosphoranylidene)- | cyanomethylenetribuylphosphorane | SY025792 | A50071 | cyanomethylene tributyl phosphorane | DTXSID90404992 | OZMLUMPWPFZWTP-UHFFFAOYSA-N | Cyanomethylene)tributylphosp
Specifications & Purity
≥95%
Storage
Protected from light, Store at -20°C, Argon charged, Desiccated
Shipped In
Ice chest + Ice pads
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥95%
Names and Identifiers
Canonical SmilesCCCCP(=CC#N)(CCCC)CCCC
IUPAC Name2-(tributyl-λ5-phosphanylidene)acetonitrile
InChIKeyOZMLUMPWPFZWTP-UHFFFAOYSA-N
INCHI1S/C14H28NP/c1-4-7-11-16(14-10-15,12-8-5-2)13-9-6-3/h14H,4-9,11-13H2,1-3H3
Isomeric SMILES CCCCP(=CC#N)(CCCC)CCCC
Molecular Weight 241.36
Reaxy-Rn 6919233
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=6919233&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

3D Structure
Interactive Chemical Structure Model





Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:
Chemical and Physical Properties
SensitivityLight & Moisture & air sensitive
Refractive Indexn20/D 1.500 (lit.)
Boil Point(°C)359.8° C
Molecular Weight241.350 g/mol
XLogP32.900
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count1
Rotatable Bond Count9
Exact Mass241.196 Da
Monoisotopic Mass241.196 Da
Topological Polar Surface Area23.800 Ų
Heavy Atom Count16
Formal Charge0
Complexity231.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Solution Calculators
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