ICSC 0418 - SULFUR MUSTARD

[List of Chemicals] [Risk Notes] [Risk Phrases] [Safety Phrases] [Danger Symbols]

SULFUR MUSTARD

ICSC: 0418
_{April 2005}

HD
Mustard gas
Bis(2-chloroethyl)sulfide
1,1'-Thiobis(2-chloroethane)

CAS No: 505-60-2
RTECS No: WQ0900000
UN No: 2810

C₄H₈Cl₂S
Molecular mass: 159.1

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.	UN Hazard Class: 6.1 UN Pack Group: I	Do not transport with food and feedstuffs.

EMERGENCY RESPONSE	SAFE 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.

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 20°C.

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	ENVIRONMENTAL DATA
Boiling point: 216°C Melting point: 13.5°C Relative density (water = 1): 1.27 Solubility in water, g/100 ml at 25°C: 0.0068 (very poor) Vapour pressure, Pa at 20°C: 9.33 Relative vapour density (air = 1): 5.5 Flash point: 105°C Octanol/water partition coefficient as log Pow: 1.37-2.41	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.

IPCS
International
Programme on
Chemical Safety

Prepared in the context of cooperation between the International Programme on Chemical Safety and the European Commission
© IPCS 2004

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