1-DODECANETHIOL 0042
October 2004
Dodecyl mercaptan
CAS No: 112-55-0
Lauryl mercaptan
RTECS No: JR3155000
C12H25SH
Molecular mass: 202.4
TYPES OF
ACUTE HAZARDS/SYMPTOMS PREVENTION FIRST AID/FIRE FIGHTING
HAZARD/
EXPOSURE
Combustible. NO open flames. Powder, AFFF, foam, carbon
FIRE
dioxide.
Above 88/C explosive vapour/air Above 88/C use a closed system,
EXPLOSION
mixtures may be formed. ventilation.
EXPOSURE STRICT HYGIENE!
Cough. Headache. Nausea. Sore Ventilation, local exhaust, or Fresh air, rest. Refer for medical
Inhalation
throat. breathing protection. attention.
Redness. Protective gloves. Protective Remove contaminated clothes.
Skin
clothing. Rinse skin with plenty of water or
shower.
Redness. Pain. Safety goggles or eye protection in First rinse with plenty of water for
Eyes
combination with breathing several minutes (remove contact
protection. lenses if easily possible), then take
to a doctor.
Nausea. Vomiting. Headache. Do not eat, drink, or smoke during Rinse mouth. Give plenty of water to
Ingestion
Abdominal pain. Diarrhoea. work. drink. Refer for medical attention.
SPILLAGE DISPOSAL PACKAGING & LABELLING
Collect leaking and spilled liquid in sealable
containers as far as possible. Carefully collect
remainder. Personal protection: self-contained
breathing apparatus.
EMERGENCY RESPONSE SAFE STORAGE
NFPA Code: H 2; F 1; R 0 Separated from strong oxidants.
IPCS Prepared in the context of cooperation between the International
Programme on Chemical Safety and the European Commission 漏
International IPCS 2005
Programme on
Chemical Safety SEE IMPORTANT INFORMATION ON THE BACK.
0042 1-DODECANETHIOL
IMPORTANT DATA
Physical State; Appearance Inhalation risk
COLOURLESS TO PALE YELLOW LIQUID, WITH A harmful contamination of the air can be reached very quickly
CHARACTERISTIC ODOUR. on evaporation of this substance at 20/C.
Chemical dangers Effects of short-term exposure
The substance decomposes on burning producing toxic gases. The substance is irritating to the eyes, the skin and the
Reacts with strong oxidants. respiratory tract.
Occupational exposure limits Effects of long-term or repeated exposure
TLV: (Inhalable fraction) 0.1 ppm as TWA; SEN; (ACGIH 2004). Repeated or prolonged contact may cause skin sensitization.
MAK not established.
PHYSICAL PROPERTIES
Boiling point: 266-285/C Vapour pressure, kPa at 25/C: 0.33
Melting point: -7 - -9/C Relative vapour density (air = 1): 7.0
Relative density (water = 1): 0.85 Relative density of the vapour/air-mixture at 20/C (air = 1): 1.02
Solubility in water: none Flash point: 88/C o.c.
ENVIRONMENTAL DATA
NOTES
Do NOT take working clothes home.
Card has been partly updated in April 2005. See section Explosion.
ADDITIONAL INFORMATION
Neither the EC nor the IPCS nor any person acting on behalf of the EC or the IPCS is responsible
LEGAL NOTICE
漏IPCS 2005
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