(Triphenylphosphoranylidene)acetaldehyde

Basic Information

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CAS Number

2136-75-6

Molecular Formula

C20H17OP

Molecular Weight

304.33 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Basic Chemical Raw Materials Organic Chemicals Aldehydes

Fine Chemicals Dyes and Pigments Organic Dyes

Fine Chemicals Surfactants Anionic Surfactants

Agricultural Chemicals Pesticides Insecticides

Basic Physical Properties

Melting Point

185-188 °C

Boiling Point

472.6°C at 760 mmHg

Density

1.16

Flash Point

239.6°C

Solubility

Soluble in Chloroform, Methanol.

Refractive Index

1.62

SMILES

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C1=CC=C(C=C1)P(=CC=O)(C2=CC=CC=C2)C3=CC=CC=C3

InChI

InChI=1S/C20H17OP/c21-16-17-22(18-10-4-1-5-11-18,19-12-6-2-7-13-19)20-14-8-3-9-15-20/h1-17H

InChIKey

CQCAYWAIRTVXIY-UHFFFAOYSA-N

LogP

2.981600000000001

Topological Polar Surface Area

17.07 Å²

Hydrogen Bond Donor/Acceptor

0 / 1

Complexity

344

Safety Information

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Hazard Statement

H315 Causes skin irritation
Skin corrosion/irritation

H319 Causes serious eye irritation
Serious eye damage/eye irritation

H335 May cause respiratory irritation
Specific target organ toxicity, single exposure; Respiratory tract irritation

Stability

Stable. Combustible. Incompatible with strong oxidizing agents.

Sensitiveness

Air Sensitive

Synonyms & References

English

Z62436289
NS00026849
(formylmethylene)-triphenylphosphorane
SCHEMBL181926
BCP22984
T2001
Acetaldehyde, 2-(triphenylphosphoranylidene)-
(Triphenylphosphoranylidene)acetaldehyde, technical, >=95% (NT/PNMR)
MFCD00006994
formylmethylidenetriphenylphosphorane
(2-Oxoethylidene)triphenylphosphorane
(triphenyl-lambda*5*-phosphanylidene)-acetaldehyde
2-(Triphenylphosphoranylidene)acetaldehyde
AKOS005259852
C20H17OP
2136-75-6
(Triphenylphosphoranylidene)acetaldehyde
(triphenylphosphoranylidene)-acetaldehyde
FORMYLMETHYLENETRIPHENYLPHOSPORANE
EN300-18526
J-502071
2-(triphenyl-lambda5-phosphanylidene)acetaldehyde
EINECS 218-375-6
FT-0604969
P7LZM6552K
Formylmethylenetriphenylphosphorane
Formylmethylene triphenylphosphorane
(Triphenylphosphoranylidene)acetaldehyde, 95%
triphenylphosphoranylidene acetaldehyde
CS-M0489
A815294

MDL Number

MFCD00006994

Customs Code

2931900090

FAQ

What is (Triphenylphosphoranylidene)acetaldehyde (CAS: 2136-75-6)?

(Triphenylphosphoranylidene)acetaldehyde is an organophosphorus compound with the chemical formula C18H16O2P. It is a yellow solid with a characteristic acetaldehyde odor and is known for its reactivity in organic synthesis. This compound is commonly used as a precursor in the formation of various phosphorus-containing compounds and is valued for its stability under certain conditions.

What are the main uses of (Triphenylphosphoranylidene)acetaldehyde (CAS: 2136-75-6)?

(Triphenylphosphoranylidene)acetaldehyde is primarily used in pharmaceutical and chemical research for synthesizing phosphorus-based compounds. It serves as an intermediate in the production of drugs and specialty chemicals. Additionally, it finds application in organic synthesis as a source of phosphorus ylides, which are important in forming carbon-carbon bonds in complex molecules.

Is (Triphenylphosphoranylidene)acetaldehyde (CAS: 2136-75-6) safe?

While (Triphenylphosphoranylidene)acetaldehyde is generally considered stable in controlled environments, it should be handled with care due to its potential reactivity. Safety data sheets recommend using appropriate personal protective equipment (PPE) and working in a well-ventilated area. It is not classified as highly toxic but may cause irritation if not handled properly.

How should (Triphenylphosphoranylidene)acetaldehyde (CAS: 2136-75-6) be stored?

(Triphenylphosphoranylidene)acetaldehyde should be stored in a cool, dry, and dark place, ideally at 0–8°C. It is sensitive to moisture and light, so it must be kept in a sealed container. Storage in airtight, non-reactive containers is essential to maintain its stability and prevent degradation over time.