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Home > Encyclopedia > P-Phenylphosphonothioic dichloride

P-Phenylphosphonothioic dichloride

P-Phenylphosphonothioic dichloride structure

P-Phenylphosphonothioic dichloride 

structure
  • CAS No:

    3497-00-5

  • Formula:

    C6H5Cl2PS

  • Chemical Name:

    P-Phenylphosphonothioic dichloride

  • Synonyms:

    Phosphonothioic dichloride,P-phenyl-;Phosphonothioic dichloride,phenyl-;P-Phenylphosphonothioic dichloride;Phenylthiophosphonyl dichloride;Phenylphosphonothioic dichloride;Phenylphosphonothioyl dichloride;Phenylthionophosphonic dichloride;Dichlorophenylphosphine sulfide;Phenylphosphonothioic chloride;Phenylthiophosphonic dichloride;Phenylphosphorus thiodichloride;Phenylphosphonothionodichloridic acid;NSC 62217

  • Categories:

    Pharmaceutical Intermediates  >  Bulk Drug Intermediates

Description

PHENYLPHOSPHORUS THIODICHLORIDE is a colorless liquid with unpleasant acrid pungent odor. Corrodes metals slowly.


Phenylphosphorus thiodichloride is a colorless liquid with unpleasant acrid pungent odor. Corrodes metals slowly.


Phenylphosphorus thiodichloride is a colorless liquid with unpleasant acrid pungent odor. Corrodes metals slowly.

P-Phenylphosphonothioic dichloride Basic Attributes

211.04900

211.05

222-494-9

NO4H2EXV6A

62217

2799

DTXSID2063054

2930909090

Characteristics

41.90000

3.74960

Phenylphosphorus thiodichloride is a colorless liquid with unpleasant acrid pungent odor. Corrodes metals slowly.

1.4042 g/cm3 @ Temp: 20 °C

76-77 °C

95-110 °C @ Press: 2-3 Torr

93ºC

1.6178-1.6182

1.522g/L(23 ºC)

Flammable. Decomposes to give hydrochloric acid in water, although this reaction is slow. The reaction becomes vigorous if the water is hot.

Sulfonates, Phosphonates, and Thiophosphonates, Organic

Water-Reactive

PHENYLPHOSPHORUS THIODICHLORIDE is water reactive. Incompatible with strong oxidizing agents, alcohols, amines, alkali. Contact with active metals generates flammable hydrogen gas. 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

2799

R34

S26-S36/37/39

C

P234, P260, P261, P264, P270, P271, P280, P301+P312, P301+P330+P331, P302+P352, P303+P361+P353, P304+P312, P304+P340, P305+P351+P338, P310, P312, P321, P322, P330, P363, P390, P404, P405, P501

H290

WHO; Diseases Caused by Phosphorus and Its Toxic Compounds; Early Detection of Occupational Diseases pg 53-62 (1986). Review of diseases and health related effects resulting from exposure to phosphorus or phosphorus cmpd.

Excerpt from ERG Guide 137 [Substances - Water-Reactive - Corrosive]: EXCEPT FOR ACETIC ANHYDRIDE (UN1715), THAT IS FLAMMABLE, some of these materials may burn, but none ignite readily. May ignite combustibles (wood, paper, oil, clothing, etc.). Substance will react with water (some violently), releasing corrosive and/or toxic gases and runoff. Flammable/toxic gases may accumulate in confined areas (basement, tanks, hopper/tank cars, etc.). Contact with metals may evolve flammable hydrogen gas. Containers may explode when heated or if contaminated with water. Substance may be transported in a molten form. (ERG, 2016)

|Danger|H290 (100%): May be corrosive to metals [Warning Corrosive to Metals]|P234, P260, P261, P264, P270, P271, P280, P301+P312, P301+P330+P331, P302+P352, P303+P361+P353, P304+P312, P304+P340, P305+P351+P338, P310, P312, P321, P322, P330, P363, P390, P404, P405, and P501|Aggregated GHS information provided by 39 companies from 2 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Excerpt from ERG Guide 137 [Substances - Water-Reactive - Corrosive]: When material is not involved in fire, do not use water on material itself. SMALL FIRE: Dry chemical or CO2. Move containers from fire area if you can do it without risk. LARGE FIRE: Flood fire area with large quantities of water, while knocking down vapors with water fog. If insufficient water supply: knock down vapors only. FIRE INVOLVING TANKS OR CAR/TRAILER LOADS: Cool containers with flooding quantities of water until well after fire is out. Do not get water inside containers. 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 137 [Substances - Water-Reactive - Corrosive]: 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: Increase, in the downwind direction, as necessary, the isolation distance shown above. 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 137 [Substances - Water-Reactive - Corrosive]: Fully encapsulating, vapor-protective clothing should be worn for spills and leaks with no fire. Do not touch damaged containers or spilled material unless wearing appropriate protective clothing. Stop leak if you can do it without risk. Use water spray to reduce vapors; do not put water directly on leak, spill area or inside container. Keep combustibles (wood, paper, oil, etc.) away from spilled material. SMALL SPILL: 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 137 [Substances - Water-Reactive - Corrosive]: 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 provides limited protection in fire situations ONLY; it is not effective in spill situations where direct contact with the substance is possible. (ERG, 2016)|Respiratory protection (supplied-air respirator with full facepiece or self-contained breathing apparatus) should be available where these compounds are manufactured or used and should be worn in case of emergency and overexposure. /Phosphorus compounds/

/GUIDE 137: SUBSTANCES - WATER-REACTIVE - CORROSIVE/ Fire or Explosion: EXCEPT FOR ACETIC ANHYDRIDE (UN1715), THAT IS FLAMMABLE, some of these materials may burn, but none ignite readily. May ignite combustibles (wood, paper, oil, clothing, etc.). Substance will react with water (some violently), releasing corrosive and/or toxic gases and runoff. Flammable/toxic gases may accumulate in confined areas (basement, tanks, hopper/tank cars, etc.). Contact with metals may evolve flammable hydrogen gas. Containers may explode when heated or if contaminated with water. Substance may be transported in a molten form.|/GUIDE 137: SUBSTANCES - WATER-REACTIVE - CORROSIVE/ Health: CORROSIVE and/or TOXIC; inhalation, ingestion or contact (skin, eyes) with vapors, dusts or substance may cause severe injury, burns or death. Fire will produce irritating, corrosive and/or toxic gases. Reaction with water may generate much heat that will increase the concentration of fumes in the air. Contact with molten substance may cause severe burns to skin and eyes. Runoff from fire control or dilution water may cause pollution.|/GUIDE 137: SUBSTANCES - WATER-REACTIVE - CORROSIVE/ Public Safety: CALL Emergency Response Telephone Number on Shipping Paper first. If Shipping Paper not available or no answer, refer to appropriate telephone number listed on the inside back cover. 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. Keep unauthorized personnel away. Stay upwind. Keep out of low areas. Ventilate enclosed areas.|/GUIDE 137: SUBSTANCES - WATER-REACTIVE - CORROSIVE/ Protective Clothing: 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 provides limited protection in fire situations ONLY; it is not effective in spill situations where direct contact with the substance is possible.|For more DOT Emergency Guidelines (Complete) data for PHENYLTHIONOPHOSPHONIC DICHLORIDE (8 total), please visit the HSDB record page.

Drug Information

Most organophosphate compounds are ... absorbed from skin, conjunctiva, gastrointestinal tract, & lung. /Organophosphate compounds/

Excerpt from ERG Guide 137 [Substances - Water-Reactive - Corrosive]: CORROSIVE and/or TOXIC; inhalation, ingestion or contact (skin, eyes) with vapors, dusts or substance may cause severe injury, burns or death. Fire will produce irritating, corrosive and/or toxic gases. Reaction with water may generate much heat that will increase the concentration of fumes in the air. Contact with molten substance may cause severe burns to skin and eyes. Runoff from fire control or dilution water may cause pollution. (ERG, 2016)|Corrosives

Excerpt from ERG Guide 137 [Substances - Water-Reactive - Corrosive]: 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. Do not use mouth-to-mouth method if victim ingested or inhaled the substance; give artificial respiration with the aid of a pocket mask equipped with a one-way valve or other proper respiratory medical device. 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. For minor skin contact, avoid spreading material on unaffected skin. Removal of solidified molten material from skin requires medical assistance. Keep victim calm and warm. Effects of exposure (inhalation, ingestion or skin contact) to substance may be delayed. (ERG, 2016)

Organophosphorus cmpd can produce dermal irritation but most are weak sensitizers. /Organophosphate cmpd/

P-Phenylphosphonothioic dichloride Use and Manufacturing

Phosphonothioic dichloride, P-phenyl-: ACTIVE|Precursor to leptophos

Air samples containing phosphorus are analyzed using Inductively Coupled Argon Plasma - Atomic Emission Spectroscopy at a wavelength of 214.9. An ashing step with concentrated nitric acid/concentrated perchloric acid (4:1 v/v) is necessary. This method has an instrumental detection limit of 22 ng/ml, a sensitivity of 0.17, and a precision of 0.056 at 1000 ug/filter. /Phosphorus/

Health Hazards -> Corrosives

Computed Properties

Molecular Weight:211.05
XLogP3:4.2
Hydrogen Bond Acceptor Count:1
Rotatable Bond Count:1
Exact Mass:209.9226637
Monoisotopic Mass:209.9226637
Topological Polar Surface Area:32.1
Heavy Atom Count:10
Complexity:148
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

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