4009-98-7

Product Name: (Methoxymethyl)triphenylphosphonium chloride

Formula: C20H20ClOP

Synonyms: Methoxymethyl-triphenylphosphonium chloride

Inquiry

CHEMICAL AND PHYSICAL PROPERTIES SAFETY INFORMATION COMPUTED DESCRIPTORS PRODUCT INTRODUCTION RELATED SUPPLIERS

CHEMICAL AND PHYSICAL PROPERTIES

Physical Description	White hygroscopic crystals; [Sigma-Aldrich MSDS]
Chemical Classes	Other Classes -> Phosphorus Compounds

SAFETY INFORMATION

Signal word	Warning
Pictogram(s)	Exclamation Mark Irritant GHS07 Environment GHS09
GHS Hazard Statements	H302:Acute toxicity,oral H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H411:Hazardous to the aquatic environment, long-term hazard
Precautionary Statement Codes	P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P270:Do not eat, drink or smoke when using this product. P273:Avoid release to the environment. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

COMPUTED DESCRIPTORS

Molecular Weight	342.8 g/mol
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	2
Rotatable Bond Count	5
Exact Mass	342.0940299 g/mol
Monoisotopic Mass	342.0940299 g/mol
Topological Polar Surface Area	9.2 Å²
Heavy Atom Count	23
Formal Charge	0
Complexity	266
Isotope Atom Count	0
Defined Atom Stereocenter Count	0
Undefined Atom Stereocenter Count	0
Defined Bond Stereocenter Count	0
Undefined Bond Stereocenter Count	0
Covalently-Bonded Unit Count	2
Compound Is Canonicalized	Yes

PRODUCT INTRODUCTION

Description

(Methoxymethyl)triphenylphosphonium chloride is used as a phase transfer catalyst and in the synthesis of taxol-A fragment. It is widely used in the synthesis of pharmaceutical product cephalotaxine, which is used as an antiviral and antitumor agent.