INTOX Home Page
PHOSGENE ICSC: 0007
Date of Peer Review: October 2002

Carbonyl chloride
Chloroformyl chloride
(cylinder)
CAS # 75-44-5 COCl2
RTECS # SY5600000 Molecular mass: 98.9
UN # 1076
EC # 006-002-00-8
TYPES OF HAZARD / EXPOSURE ACUTE HAZARDS / SYMPTOMS PREVENTION FIRST AID / FIRE FIGHTING
FIRE Not combustible.

In case of fire in the surroundings: use appropriate extinguishing media.
EXPLOSION

In case of fire: cool cylinder by spraying with water but avoid contact of the substance with water. Combat fire from a sheltered position.
EXPOSURE
AVOID ALL CONTACT!
IN ALL CASES CONSULT A DOCTOR!
Inhalation Burning sensation. Tightness in the chest. Sore throat. Cough. Laboured breathing. Shortness of breath. Symptoms may be delayed (see Notes).
Closed system and ventilation.
Fresh air, rest. Half-upright position. Artificial respiration may be needed. Refer for medical attention.
Skin Redness. Pain. ON CONTACT WITH LIQUID: FROSTBITE.
Cold-insulating gloves.
Remove contaminated clothes. ON FROSTBITE: rinse with plenty of water, do NOT remove clothes. Rinse skin with plenty of water or shower. Refer for medical attention.
Eyes Redness. Pain. Blurred 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


SPILLAGE DISPOSAL PACKAGING & LABELLING
Evacuate danger area! Consult an expert! Ventilation. Chemical protection suit including self-contained breathing apparatus. Remove gas with fine water spray. Do NOT let this chemical enter the environment.
EU Classification
Symbol: T+
R: 26-34
S: (1/2-)-9-26-36/37/39-45
Note: [5]
UN Classification
UN Hazard Class: 2.3
UN Subsidiary Risks: 8

EMERGENCY RESPONSE STORAGE
Transport Emergency Card: TEC (R)-20S1076
NFPA Code: H4; F0; R1;
Fireproof if in building. Isolated from work area. Separated from incompatible materials. See Chemical Dangers. Cool. Dry.
IPCS
International
Programme on
Chemical Safety
Prepared in the context of cooperation between the International Programme on Chemical Safety and the Commission of the European Communities IPCS, CEC 1999

SEE IMPORTANT INFORMATION ON BACK


PHOSGENE ICSC: 0007
IMPORTANT DATA
PHYSICAL STATE; APPEARANCE:
COLOURLESS COMPRESSED LIQUEFIED GAS, WITH CHARACTERISTIC ODOUR.

PHYSICAL DANGERS:
The vapour is heavier than air and may travel along the ground.

CHEMICAL DANGERS:
The substance decomposes on heating above 300C, on contact with water and moisture, producing toxic and corrosive gases (carbon monoxide and hydrogen chloride). Reacts with aluminium, isopropyl alcohol.

OCCUPATIONAL EXPOSURE LIMITS:
TLV: 0.1 ppm as TWA; (ACGIH 2002).
EU OEL: 0.02 ppm, 0.08 mg/m, as TWA;
0.1 ppm, 0.4 mg/m, as STEL; (EU 2002).
ROUTES OF EXPOSURE:
The substance can be absorbed into the body by inhalation.

INHALATION RISK:
A harmful concentration of this gas in the air will be reached very quickly on loss of containment.

EFFECTS OF SHORT-TERM EXPOSURE:
The substance is irritating to the eyes, the skin and the respiratory tract. Inhalation of this gas may cause lung oedema (see Notes). The effects may be delayed. Exposure at high levels may result in death. Medical observation is indicated.

PHYSICAL PROPERTIES
Boiling point: 8C
Melting point: -118C
Relative density (water = 1): 1.4
Solubility in water: reaction
Vapour pressure, kPa at 20C: 161.6
Relative vapour density (air = 1): 3.4
ENVIRONMENTAL DATA

NOTES
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. The odour warning when the exposure limit value is exceeded is insufficient. Do NOT spray water on leaking cylinder (to prevent corrosion of cylinder). Turn leaking cylinder with the leak up to prevent escape of gas in liquid state.
ADDITIONAL INFORMATION


LEGAL NOTICE Neither the CEC nor the IPCS nor any person acting on behalf of the CEC or the IPCS is responsible for the use which might be made of this information
IPCS, CEC 1999
See Also:
        Phosgene (CHEMINFO)
        Phosgene (EHC 193, 1997)
        Phosgene (PIM 419)