PHOSPHORUS TRICHLORIDE ICSC: 0696 Trichlorophosphine Phosphorous chloride PCl3 Molecular mass: 137.35 ICSC #    0696 CAS #     7719-12-2 RTECS # TH3675000 UN #        1809 EC #         015-007-00-4 Types of Hazard/ Exposure Acute Hazards/ Symptoms Prevention First Aid/ Fire Fighting FIRE Not combustible. Many reactions may cause fire or explosion. Gives off irritating or toxic fumes (or gases) in a fire. NO contact with water. NO hydrous agents. NO water. In case of fire in the surroundings: powder, carbon dioxide and dry sand . Explosion In case of fire: cool drums, etc., by spraying with water but avoid contact of the substance with water. Exposure AVOID ALL CONTACT! IN ALL CASES CONSULT A DOCTOR!  •Inhalation Sore throat. Cough. Burning sensation. Nausea. Vomiting. Shortness of breath. Laboured breathing. Symptoms may be delayed (see Notes). Ventilation, local exhaust, or breathing protection. Fresh air, rest. Half-upright position. Artificial respiration may be needed. Refer for medical attention.  •Skin Pain. Redness. Blisters. Skin burns. Protective gloves. Protective clothing. Remove contaminated clothes. Rinse skin with plenty of water or shower. Refer for medical attention.  •Eyes Pain. Redness. Lacrimation. Severe deep burns. Loss of vision. Face shield or eye protection in combination with breathing protection. First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.  •Ingestion Burning sensation. Abdominal pain. Shock or collapse. (Further see Inhalation). Do not eat, drink, or smoke during work. Rinse mouth. Do NOT induce vomiting. Refer for medical attention. Spillage Disposal Storage Packaging & Labelling Evacuate danger area! Consult an expert! Ventilation. Collect leaking and spilled liquid in sealable containers as far as possible. Absorb remaining liquid in dry sand or inert absorbent and remove to safe place. Personal protection: chemical protection suit including self-contained breathing apparatus. Provision to contain effluent from fire extinguishing. Separated from food and feedstuffs . See Chemical Dangers. Dry. Well closed. Ventilation along the floor. Airtight. Unbreakable packaging; put breakable packaging into closed unbreakable container. Do not transport with food and feedstuffs. T+ symbol C symbol R: 14-26/28-35-48/20 S: 1/2-7/8-26-36/37/39-45 UN Hazard Class: 6.1 UN Subsidiary Risks: 8 UN Packing Group: I PHOSPHORUS TRICHLORIDE ICSC: 0696 Important Data Physical State; Appearance: COLOURLESS OR YELLOW, FUMING LIQUID , WITH PUNGENT ODOUR. Physical Dangers: The vapour is heavier than air. Chemical Dangers: The substance decomposes on heating producing toxic and corrosive fumes, including hydrogen chloride and phosphorus oxides. Reacts with oxidants. Reacts violently with water producing heat and decomposition products including hydrochloric acid and phosphorous acid, causing fire and explosion hazard. Reacts violently with alcohols, phenols and bases. Attacks metals and other many materials. Occupational Exposure Limits: TLV: 0.2 ppm as TWA; 0.5 ppm as STEL; (ACGIH 2004). MAK: 0.5 ppm, 2.8 mg/m3 Peak limitation category: I(1); Pregnancy risk group: C; (DFG 2006). OSHA PEL: TWA 0.5 ppm (3 mg/m3) NIOSH REL: TWA 0.2 ppm (1.5 mg/m3) ST 0.5 ppm (3 mg/m3) NIOSH IDLH: 25 ppm See: 7719122 Routes of Exposure: The substance can be absorbed into the body by inhalation or by ingestion. Inhalation Risk: A harmful contamination of the air can be reached very quickly on evaporation of this substance at 20°C. Effects of Short-Term Exposure: The substance is corrosive to the eyes, the skin and the respiratory tract. Inhalation of vapour may cause lung oedema (see Notes). Exposure above the OEL may result in death. The effects may be delayed. Medical observation is indicated. Effects of Long-Term or Repeated Exposure: Physical Properties Boiling point: 76°C Melting point: -112°C Relative density (water = 1): 1.6 Solubility in water: reaction Vapour pressure, kPa at 21°C: 13.3 Relative vapour density (air = 1): 4.75 Relative density of the vapour/air-mixture at 20°C (air = 1): 1.5 Environmental Data N O T E S Reacts violently with fire extinguishing agents such as water. The symptoms of lung oedema often do not become manifest until a few hours have passed and they are aggravated by physical effort. Rest and medical observation is therefore essential. Immediate administration of an appropriate inhalation therapy by a doctor or a person authorized by him/her, should be considered. Card has been partly updated in October 2004, 2005 & 2006. See sections: Occupational Exposure Limits, EU classification, Emergency Response. Transport Emergency Card: TEC (R)-61S1809 NFPA Code: H3; F0; R2; W ADDITIONAL INFORMATION ICSC: 0696 PHOSPHORUS TRICHLORIDE (C) IPCS, CEC, 1994 IMPORTANT LEGAL NOTICE: Neither NIOSH, the CEC or the IPCS nor any person acting on behalf of NIOSH, the CEC or the IPCS is responsible for the use which might be made of this information. This card contains the collective views of the IPCS Peer Review Committee and may not reflect in all cases all the detailed requirements included in national legislation on the subject. The user should verify compliance of the cards with the relevant legislation in the country of use. The only modifications made to produce the U.S. version is inclusion of the OSHA PELs, NIOSH RELs and NIOSH IDLH values.