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TETRAHYDROTHIOPHENE

ICSC: 0677

Tetramethylene sulfide
Thiolane
Thiophane
Thiocyclopentane
C4H8S
Molecular mass: 88.2
ICSC #    0677
CAS #     110-01-0
RTECS # XN0370000
UN #        2412
EC #         613-087-00-0
March 23, 1998 Validated

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

STORAGE

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.
Fireproof. Separated from strong oxidants. Cool. Store in an area without drain or sewer access.

F symbol
Xn symbol
R: 11-20/21/22-36/38-52/53
S: 2-16-23-36/37-61
UN Hazard Class: 3
UN Packing Group: II
ICSC: 0677 Prepared in the context of cooperation between the International Programme on Chemical Safety & the Commission of the European Communities (C) IPCS CEC 1994. No modifications to the International version have been made except to add the OSHA PELs, NIOSH RELs and NIOSH IDLH values.

TETRAHYDROTHIOPHENE

ICSC: 0677

I

M

P

O

R

T

A

N

T


D

A

T

A

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/m3;
Peak limitation category: I(1); Pregnancy risk group: C;
(DFG 2006).


ROUTES OF EXPOSURE:
The substance can be absorbed into the body by inhalation of its vapour and by ingestion.

INHALATION RISK:


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

EFFECTS OF LONG-TERM OR REPEATED EXPOSURE:

PHYSICAL
PROPERTIES

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

ENVIRONMENTAL
DATA


N O T E S

Card has been partly updated in April 2005 & October 2006. See sections: Environmental Data, Occupational Exposure Limits.
Transport Emergency Card: TEC (R)-30GF1-I+II

ADDITIONAL INFORMATION



ICSC: 0677 TETRAHYDROTHIOPHENE
(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.
 
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