Bis-(dichlorophosphinyl)-methane

Bis-(dichlorophosphinyl)-methane - Names and Identifiers

Name	methylenebis(phosphonic dichloride)
Synonyms	BIS(DICHLOROPHOSPHONYL)METHANE bis(dichlorophosphoryl)methane METHYLENEDIPHOSPHONIC DICHLORIDE Bis-(dichlorophosphinyl)-methane METHYLENEBIS(PHOSPHONIC DICHLORIDE) methylenebis(phosphonic dichloride) Phosphonic dichloride, P,P'-methylenebis-
CAS	1499-29-2
InChI	InChI=1/CH2Cl4O2P2/c2-8(3,6)1-9(4,5)7/h1H2

Bis-(dichlorophosphinyl)-methane - Physico-chemical Properties

Molecular Formula	CH2Cl4O2P2
Molar Mass	249.78
Density	1.798±0.06 g/cm3(Predicted)
Melting Point	102-104°C(lit.)
Boling Point	329.0±25.0 °C(Predicted)
Flash Point	152.8°C
Vapor Presure	0.00035mmHg at 25°C
Storage Condition	Room Temprature
Refractive Index	1.485

Bis-(dichlorophosphinyl)-methane - Risk and Safety

Hazard Symbols	C - Corrosive
Risk Codes	R14 - Reacts violently with water R34 - Causes burns
Safety Description	S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S27 - Take off immediately all contaminated clothing. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
UN IDs	UN 3261 8/PG 1
WGK Germany	3

Bis-(dichlorophosphinyl)-methane - Introduction

methylenebis(phosphonic dichloride) is an organic compound with the chemical formula Cl2PCH2Cl and a molecular weight of 129.84.

Nature:
1. Appearance: methylenebis(phosphonic dichloride) is a colorless or light yellow liquid with a pungent odor.
2. Melting point:-80 ° C
3. Boiling Point: 105 ° C
4. Density: about 1.62g/cm³.
5. Methyleneebis (phosphonic dichloride) is easily soluble in some organic solvents, such as ethanol, ether, etc.

Use:
1. methylenebis(phosphonic dichloride) is commonly used as a reagent in organic synthesis, for example, for the synthesis of compounds containing methylene phosphorus ester functional groups.
2. It can also be used as a fire suppressant. When in contact with nitrogen-containing compounds, it will form phosphorus trichloride and a fire suppressant, which has an effective fire extinguishing effect.

Method:
methylenebis(phosphonic dichloride) can be formed by the reaction of methylene trichloride and anhydrous sodium chloride in ethanol.

Safety Information:
methylenebis(phosphonic dichloride) is a toxic substance, and corresponding safety measures should be taken when using it:
1. Avoid contact with skin, eyes and respiratory tract, avoid inhalation of its vapor.
2. Wear appropriate protective gloves, goggles and protective mask when using.
3. Storage should avoid contact with fire, maintain a well-ventilated environment.
4. Before handling the substance, read the relevant safety data sheet and operating manual.

Please note that when using and handling methylenebis(phosphonic dichloride), it is important to follow the appropriate safety procedures to ensure the safety of personnel and the environment.

Last Update：2024-04-10 22:29:15