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SULFUR MUSTARD ICSC: 0418
Date of Peer Review: April 2005

HD
Mustard gas
Bis(2-chloroethyl)sulfide
1,1'-Thiobis(2-chloroethane)
CAS # 505-60-2 C4H8Cl2S
RTECS # WQ0900000 Molecular mass: 159.1
UN # 2810
EC #
TYPES OF HAZARD / EXPOSURE ACUTE HAZARDS / SYMPTOMS PREVENTION FIRST AID / FIRE FIGHTING
FIRE Combustible under specific conditions.
NO open flames.
In case of fire in the surroundings: use appropriate extinguishing media.
EXPLOSION


EXPOSURE
AVOID ALL CONTACT!
IN ALL CASES CONSULT A DOCTOR!
Inhalation Cough. Burning sensation. Sore throat. Shortness of breath. Laboured breathing. Symptoms may be delayed (see Notes).
Breathing protection.
Fresh air, rest. Half-upright position. Artificial respiration may be needed. No mouth-to-mouth artificial respiration. Administer oxygen by trained personnel. Refer for medical attention.
Skin MAY BE ABSORBED! Pain. Redness. Blisters. Serious skin burns.
Protective gloves. Protective clothing.
Remove contaminated clothes. Rinse and then wash skin with water and soap. Wear protective gloves when administering first aid. Refer for medical attention.
Eyes Causes watering of the eyes. Redness. Pain. Severe deep burns. Permanent loss of vision.
Safety goggles and 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 Abdominal pain. Nausea. Vomiting. Burning sensation. Shock or collapse. (See Inhalation).
Wash hands before eating. Do not eat, drink, or smoke during work.
Do NOT induce vomiting. No mouth-to-mouth artificial respiration. Administer oxygen by trained personnel. Refer for medical attention.
SPILLAGE DISPOSAL PACKAGING & LABELLING
Evacuate danger area! Consult an expert! Personal protection: complete protective clothing including self-contained breathing apparatus. Collect leaking and spilled liquid in sealable containers as far as possible. Absorb remaining liquid in sand or inert absorbent and remove to safe place. Do NOT let this chemical enter the environment.
Do not transport with food and feedstuffs.
EU Classification
UN Classification
UN Hazard Class: 6.1
UN Pack Group: I
EMERGENCY RESPONSE STORAGE
Transport Emergency Card: TEC (R)-61GT1-I
NFPA Code: H4; F1; R1; 0
Separated from water, food and feedstuffs. Well closed. Ventilation along the floor. Store in an area without drain or sewer access.
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
SULFUR MUSTARD ICSC: 0418
IMPORTANT DATA
PHYSICAL STATE; APPEARANCE:
COLOURLESS TO YELLOW OILY LIQUID OR CRYSTALS, WITH CHARACTERISTIC ODOUR.

CHEMICAL DANGERS:
The substance decomposes on heating producing toxic fumes. Reacts with water. Attacks metal.

OCCUPATIONAL EXPOSURE LIMITS:
TLV not established.
MAK: skin absorption (H); Carcinogen category: 1; (DFG 2004).
ROUTES OF EXPOSURE:
The substance can be absorbed into the body by inhalation, through the skin and by ingestion.

INHALATION RISK:
A harmful contamination of the air can be reached very quickly on evaporation of this substance at 20C.

EFFECTS OF SHORT-TERM EXPOSURE:
Blistering agent. Lachrymation. The substance is severely irritating to the eyes, the skin and the respiratory tract. Inhalation of the substance may cause lung oedema (see Notes). The effects may be delayed. Medical observation is indicated.

EFFECTS OF LONG-TERM OR REPEATED EXPOSURE:
Repeated or prolonged contact with skin may cause dermatitis. Lungs may be affected by repeated or prolonged exposure. The substance may have effects on the eyes, resulting in impaired functions. This substance is carcinogenic to humans.
PHYSICAL PROPERTIES
Boiling point: 216C
Melting point: 13.5C
Relative density (water = 1): 1.27
Solubility in water, g/100 ml at 25C: 0.0068 (very poor)
Vapour pressure, Pa at 20C: 9.33
Relative vapour density (air = 1): 5.5
Flash point: 105C
Octanol/water partition coefficient as log Pow: 1.37-2.41
ENVIRONMENTAL DATA
Persistance of this chemical may occur in soil and snow.
NOTES
Do NOT take working clothes home. Depending on the degree of exposure, periodic medical examination is suggested. Common name: Yperite, Lost.
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