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Home > Encyclopedia > Dichloroethylphosphine

Dichloroethylphosphine

Dichloroethylphosphine structure

Dichloroethylphosphine 

structure
  • CAS No:

    1498-40-4

  • Formula:

    C2H5Cl2P

  • Chemical Name:

    Dichloroethylphosphine

  • Synonyms:

    Phosphonous dichloride,ethyl-;Phosphine,dichloroethyl-;Dichloroethylphosphine;Ethylphosphonous dichloride;Ethyldichlorophosphine;Ethylphosphorus dichloride

  • Categories:

    Organic Chemistry  >  Phosphines

Description

Colorless to light yellow liquiA colorless liquid with a pungent odor. Denser than water. Very toxic by inhalation.


Ethyl phosphonous dichloride, anhydrous appears as a colorless liquid with a pungent odor. Denser than water. Very toxic by inhalation.


Ethyl phosphonous dichloride, anhydrous appears as a colorless liquid with a pungent odor. Denser than water. Very toxic by inhalation.

Dichloroethylphosphine Basic Attributes

130.94

130.94

216-096-4

2845

DTXSID4075291

29310099

Characteristics

0

2.79580

colorless liquid

1.2485 g/cm3 @ Temp: 23 °C

113-116 °C @ Press: 760 Torr

91 °F

n 20/D 1.495(lit.)

Highly flammable. Pyrophoric, will spontaneously ignite on contact with water or moisture in air. In water the compound also decomposes to form hydrochloric acid, [AAR 1991].

Flammables area

Highly flammable. Pyrophoric, will spontaneously ignite on contact with water or moisture in air, the reaction forms the strong acid -hydrochloric acid. Reaction products are corrosive!

Acyl Halides, Sulfonyl Halides, and Chloroformates

Water-Reactive

ETHYL PHOSPHONOUS DICHLORIDE is an acid halide and organophosphate. Flammable/combustible material. May ignite on contact with air or moist air. May burn rapidly with flare-burning effect. May react vigorously or explosively if mixed with diisopropyl ether or other ethers in the presence of trace amounts of metal salts [J. Haz. Mat., 1981, 4, 291].

Safety Information

I

4.2

UN 2845 4.2/PG 1

3

14-17-34

6-26-36/37/39-43-45

TB2465000

F,C

P222-P231-P280-P305 + P351 + P338-P310-P422

H226-H250-H314

Excerpt from ERG Guide 135 [Substances - Spontaneously Combustible]: Flammable/combustible material. May ignite on contact with moist air or moisture. May burn rapidly with flare-burning effect. Some react vigorously or explosively on contact with water. Some may decompose explosively when heated or involved in a fire. May re-ignite after fire is extinguished. Runoff may create fire or explosion hazard. Containers may explode when heated. (ERG, 2016)

|Danger|H226 (100%): Flammable liquid and vapor [Warning Flammable liquids]|P210, P222, P233, P240, P241, P242, P243, P260, P264, P280, P301+P330+P331, P302+P334, P303+P361+P353, P304+P340, P305+P351+P338, P310, P321, P363, P370+P378, P403+P235, P405, P422, and P501|Aggregated GHS information provided by 42 companies from 2 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Excerpt from ERG Guide 135 [Substances - Spontaneously Combustible]: DO NOT USE WATER, CO2 OR FOAM ON MATERIAL ITSELF. Some of these materials may react violently with water. EXCEPTION: For Xanthates, UN3342 and for Dithionite (Hydrosulfite/Hydrosulphite) UN1384, UN1923 and UN1929, USE FLOODING AMOUNTS OF WATER for SMALL AND LARGE fires to stop the reaction. Smothering will not work for these materials, they do not need air to burn. SMALL FIRE: Dry chemical, soda ash, lime or DRY sand, EXCEPT for UN1384, UN1923, UN1929 and UN3342. LARGE FIRE: DRY sand, dry chemical, soda ash or lime EXCEPT for UN1384, UN1923, UN1929 and UN3342, or withdraw from area and let fire burn. CAUTION: UN3342 when flooded with water will continue to evolve flammable Carbon disulfide/Carbon disulphide vapors. Move containers from fire area if you can do it without risk. FIRE INVOLVING TANKS OR CAR/TRAILER LOADS: Fight fire from maximum distance or use unmanned hose holders or monitor nozzles. Do not get water inside containers or in contact with substance. Cool containers with flooding quantities of water until well after fire is out. Withdraw immediately in case of rising sound from venting safety devices or discoloration of tank. ALWAYS stay away from tanks engulfed in fire. (ERG, 2016)

Excerpt from ERG Guide 135 [Substances - Spontaneously Combustible]: As an immediate precautionary measure, isolate spill or leak area in all directions for at least 50 meters (150 feet) for liquids and at least 25 meters (75 feet) for solids. SPILL: See ERG Table 1 - Initial Isolation and Protective Action Distances on the UN/NA 2845 datasheet. FIRE: If tank, rail car or tank truck is involved in a fire, ISOLATE for 800 meters (1/2 mile) in all directions; also, consider initial evacuation for 800 meters (1/2 mile) in all directions. (ERG, 2016)

Excerpt from ERG Guide 135 [Substances - Spontaneously Combustible]: Fully encapsulating, vapor-protective clothing should be worn for spills and leaks with no fire. ELIMINATE all ignition sources (no smoking, flares, sparks or flames in immediate area). Do not touch or walk through spilled material. Stop leak if you can do it without risk. SMALL SPILL: EXCEPTION: For spills of Xanthates, UN3342 and for Dithionite (Hydrosulfite/Hydrosulphite), UN1384, UN1923 and UN1929, dissolve in 5 parts water and collect for proper disposal. CAUTION: UN3342 when flooded with water will continue to evolve flammable Carbon disulfide/Carbon disulphide vapors. Cover with DRY earth, DRY sand or other non-combustible material followed with plastic sheet to minimize spreading or contact with rain. Use clean, non-sparking tools to collect material and place it into loosely covered plastic containers for later disposal. Prevent entry into waterways, sewers, basements or confined areas. (ERG, 2016)

Excerpt from ERG Guide 135 [Substances - Spontaneously Combustible]: Wear positive pressure self-contained breathing apparatus (SCBA). Wear chemical protective clothing that is specifically recommended by the manufacturer. It may provide little or no thermal protection. Structural firefighters' protective clothing will only provide limited protection. (ERG, 2016)

Drug Information

Excerpt from ERG Guide 135 [Substances - Spontaneously Combustible]: Fire will produce irritating, corrosive and/or toxic gases. Inhalation of decomposition products may cause severe injury or death. Contact with substance may cause severe burns to skin and eyes. Runoff from fire control may cause pollution. (ERG, 2016)

Excerpt from ERG Guide 135 [Substances - Spontaneously Combustible]: Ensure that medical personnel are aware of the material(s) involved and take precautions to protect themselves. Move victim to fresh air. Call 911 or emergency medical service. Give artificial respiration if victim is not breathing. Administer oxygen if breathing is difficult. Remove and isolate contaminated clothing and shoes. In case of contact with substance, immediately flush skin or eyes with running water for at least 20 minutes. Keep victim calm and warm. (ERG, 2016)

Computed Properties

Molecular Weight:130.94
XLogP3:1.9
Exact Mass:129.9505925
Monoisotopic Mass:129.9505925
Heavy Atom Count:5
Complexity:21.6
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

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