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Identify Suppliers 2026 Properties Safty

Methyl diphenylphosphinite

BGC Id:	410414477756
CAS No:	4020-99-9
Synonyms:	methoxydiphenylphosphine ; methyl diphenylphosphinite, 99 % ; diphenylmethoxyphosphine ; diphenylphosphinooxymethane ; methyl diphenylphosphinite ; methyl diphenylphosphinite, 98+% ; methoxydiphenylphosphane ; nsc 171167 ; methyl diphenylphosphinite 97% ; aurora ka-1329
Molecular Formula:	C13H13OP
Molecular Weight:	216.22
EINECS:	223-683-9

Verified providers in 2026

The following notable provider has been checked and can be recommended.

Dayang Chem (Hangzhou) Co.,Ltd.

Company type: Leading producer

Phone: +86-571-88938639
Telefax: +86-571-8893-8652
Country: P.R.China

Hangzhou DayangChem Co. Ltd is a comprehensive entity which specializes in development, production and trade of pharmaceutical, agrochemical and dyestuff intermediates as well as some special type reagents. We have an own factory and share enterprises. Dayang Chem (Hangzhou) Co.,Ltd. also offers 1-Cyclopropylpiperazine dihydrochloride. We act also as agent of many chemical factories and promote their products to the international m ...

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What other providers are available for CAS 4020-99-9?

The last intensive check and update was carried out on 2026/03/01.

Identify

Synonyms:

methoxydiphenylphosphine ; methyl diphenylphosphinite, 99 % ; diphenylmethoxyphosphine ; diphenylphosphinooxymethane ; methyl diphenylphosphinite ; methyl diphenylphosphinite, 98+% ; methoxydiphenylphosphane ; nsc 171167 ; methyl diphenylphosphinite 97% ; aurora ka-1329

CAS:

4020-99-9

EINECS:

223-683-9

Molecular Formula:

C13H13OP

MDL:

MFCD00048025

SMILES:

CCOC(=O)C1=C(SC(=C1C)C(=O)N)N

Properties

Molecular Weight:

216.22 g·mol−1

Density:

1.078 g/mL at 25 °C(lit.)

Boiling point:

149 °C6 mm Hg(lit.)

Flash point:

>230 ºF

Safety Information

Hazard Symbols: Xi, Xn

Europe standard Hazard pictograms, code and definition

Hazard Classes:

6.1

Hazardous Substances Data:

Non-Regulated Material ¹

Risk Codes:

36/37/38-20/21/22 (R)

Safety Codes:

26-37/39-36 (S)

WGK Germany:

RID / ADR:

UN 2810 6.1 / PG 3

Storage temperature:

0-6°C

The following providers cannot be verified precisely. The companies have offered the product in the past, but despite all care, the companies could not confirm it 100 percent!

Santa Cruz Biotechnology, Inc.

Santa Cruz Biotechnology, Inc. now offers over 140,000 specialty biochemicals under our ChemCruz™ brand. Santa Cruz Biotechnology, Inc. is focused... Request

What other providers are available for CAS 4020-99-9?

In addition to the providers presented here for Methyl diphenylphosphinite with the CAS number 4020-99-9, there are other 20 providers with slightly different product names available for this CAS number.

Diphenylmethoxyphosphine

Leap Chem Co., Ltd | BIOZOL Diagnostica Vertrieb GmbH | BuGuCh & Partners +10 additional providers that we know from the past

Methoxydiphenylphosphine

AK Scientific, Inc. +5 additional providers that we know from the past

Diphenylphosphinous acid methyl ester

+1 additional providers that we know from the past