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TETRAHYDROTHIOPHENE ICSC: 0677
Date of Peer Review: March 1998

Tetramethylene sulfide
Thiolane
Thiophane
Thiocyclopentane
CAS # 110-01-0 C4H8S
RTECS # XN0370000 Molecular mass: 88.2
UN # 2412
EC Index # 613-087-00-0
TYPES OF HAZARD / EXPOSURE ACUTE HAZARDS / SYMPTOMS PREVENTION FIRST AID / FIRE FIGHTING
FIRE Highly flammable. Heating will cause rise in pressure with risk of bursting. Gives off irritating or toxic fumes (or gases) in a fire.
NO open flames, NO sparks, and NO smoking.
Water spray. Alcohol-resistant foam. Powder. Carbon dioxide.
EXPLOSION Vapour/air mixtures are explosive.
Closed system, ventilation, explosion-proof electrical equipment and lighting.
In case of fire: keep drums, etc., cool by spraying with water.
EXPOSURE


Inhalation Headache. Nausea. Giddiness. Palpitations.
Closed system and ventilation.
Fresh air, rest.
Skin
Protective gloves.
Rinse and then wash skin with water and soap.
Eyes
Safety spectacles.
First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.
Ingestion
Do not eat, drink, or smoke during work.
Rinse mouth. Rest.
SPILLAGE DISPOSAL PACKAGING & LABELLING
Personal protection: filter respirator for organic gases and vapours. Do NOT wash away into sewer. 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.
EU Classification
Symbol: F, Xn
R: 11-20/21/22-36/38-52/53
S: (2-)-16-23-36/37-61
UN Classification
UN Hazard Class: 3
UN Pack Group: II
EMERGENCY RESPONSE STORAGE
Transport Emergency Card: TEC (R)-30GF1-I+II
Fireproof. Separated from strong oxidants. Cool. 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 2005

SEE IMPORTANT INFORMATION ON BACK
TETRAHYDROTHIOPHENE ICSC: 0677
IMPORTANT DATA
PHYSICAL STATE; APPEARANCE:
COLOURLESS LIQUID, WITH CHARACTERISTIC ODOUR.

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

CHEMICAL DANGERS:
On combustion, forms sulfur oxides. Reacts with strong oxidants such as nitric acid.

OCCUPATIONAL EXPOSURE LIMITS:
TLV not established.
MAK: 50 ppm, 180 mg/m; Peak limitation category: I(1); Pregnancy risk group: D; (DFG 2005).
ROUTES OF EXPOSURE:
The substance can be absorbed into the body by inhalation of its vapour and by ingestion.

EFFECTS OF SHORT-TERM EXPOSURE:
The substance may cause effects on the central nervous system.

PHYSICAL PROPERTIES
Boiling point: 119-121C
Melting point: -96.2C
Relative density (water = 1): 1.0
Solubility in water: none
Vapour pressure, kPa at 25C: 2.4
Relative vapour density (air = 1): 3.05
Relative density of the vapour/air-mixture at 20C (air = 1): 1.05
Flash point: 12C
Auto-ignition temperature: 200C
Explosive limits, vol% in air: 1.1-12.3
Octanol/water partition coefficient as log Pow: 1.8
ENVIRONMENTAL DATA

NOTES
The cards has been partly updated in April 2005. See sections Environmental Data, Occupational Exposure Limits.
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 2005