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THIODIGLYCOL

ICSC: 1601

2,2`-Thiodiethanol
Di(2-hydroxyethyl) sulfide
Diethanolsulfide
Thiodiethylene glycol
C4H10O2S
Molecular mass: 122.2
ICSC #    1601
CAS #     111-48-8
RTECS # KM2975000
EC #         603-081-00-6
October 20, 2005 Validated

TYPES OF HAZARD/ EXPOSURE

ACUTE HAZARDS/ SYMPTOMS

PREVENTION

FIRST AID/
FIRE FIGHTING

FIRE Combustible.
NO open flames.
Water spray. Foam. Alcohol-resistant foam. Carbon dioxide.
EXPLOSION


EXPOSURE


 •INHALATION Cough. Nausea.
Ventilation, local exhaust, or breathing protection.
Fresh air, rest.
 •SKIN
Protective gloves.
Rinse skin with plenty of water or shower.
 •EYES Redness. Pain.
Safety goggles .
First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.
 •INGESTION Diarrhoea. Nausea. Vomiting.
Do not eat, drink, or smoke during work.
Rinse mouth. Do NOT induce vomiting.

SPILLAGE DISPOSAL

STORAGE

PACKAGING & LABELLING

Personal protection: protective gloves, safety goggles. Collect leaking liquid in covered containers. Absorb remaining liquid in sand or inert absorbent and remove to safe place.
See Chemical Dangers.

Xi symbol
R: 36
S: (2)
ICSC: 1601 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.

THIODIGLYCOL

ICSC: 1601

I

M

P

O

R

T

A

N

T


D

A

T

A

PHYSICAL STATE; APPEARANCE:
VISCOUS COLOURLESS LIQUID , WITH CHARACTERISTIC ODOUR.

PHYSICAL DANGERS:


CHEMICAL DANGERS:
The substance decomposes on heating producing toxic and corrosive fumes including acetic acid fumes , hydrogen sulfide and sulfur oxides . Reacts violently with strong acids and strong oxidants to produce hydrogen sulfide .

OCCUPATIONAL EXPOSURE LIMITS:
TLV not established.
MAK not established.


ROUTES OF EXPOSURE:


INHALATION RISK:
Evaporation at 20°C is negligible; a harmful concentration of airborne particles can, however, be reached quickly on spraying.

EFFECTS OF SHORT-TERM EXPOSURE:
The substance is mildly irritating to the eyes and the respiratory tract .

EFFECTS OF LONG-TERM OR REPEATED EXPOSURE:

PHYSICAL
PROPERTIES

Melting point: -18 - -10°C
Relative density (water = 1): 1.18
Solubility in water, g/100 ml at 20°C: 100
Vapour pressure, Pa at 25°C: 0.43
Relative vapour density (air = 1): 4.22
Flash point: 160°C o.c.
Auto-ignition temperature: 260°C
Explosive limits, vol% in air: 1.2-5.2
Octanol/water partition coefficient as log Pow: -0.75

ENVIRONMENTAL
DATA


N O T E S

The boiling point is higher than the autoignition temperature.

ADDITIONAL INFORMATION



ICSC: 1601 THIODIGLYCOL
(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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