ICSC 1622 - 1-OCTADECANETHIOL

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

1-OCTADECANETHIOL

ICSC: 1622
_{April 2006}

Stearyl mercaptan
n-Octadecyl mercaptan
1-Octadecyl mercaptan
1-Mercaptooctadecane
n-Octadecanethiol

CAS No: 2885-00-9

C₁₈H₃₈S / CH₃-(CH₂)₁₇-SH
Molecular mass: 286.6

TYPES OF HAZARD / EXPOSURE	ACUTE HAZARDS / SYMPTOMS	PREVENTION	FIRST AID / FIRE FIGHTING
FIRE	Combustible. Gives off irritating or toxic fumes (or gases) in a fire.	NO open flames.	Powder, alcohol-resistant foam, water spray, carbon dioxide.
EXPLOSION

EXPOSURE
Inhalation		Ventilation.	Fresh air, rest.
Skin		Protective gloves.	Rinse and then wash skin with water and soap.
Eyes	Redness.	Safety spectacles	First rinse with plenty of water (remove contact lenses if easily possible).
Ingestion	Headache. Nausea. Vomiting.	Do not eat, drink, or smoke during work.	Rinse mouth.

SPILLAGE DISPOSAL	PACKAGING & LABELLING
Sweep or shovel up spilled substance and remove to safe place.

EMERGENCY RESPONSE	SAFE STORAGE
	Separated from strong oxidants, strong acids, bases and strong reducing agents.

IMPORTANT DATA
Physical State; Appearance OILY, WHITE SOLID IN VARIOUS FORMS, WITH CHARACTERISTIC ODOUR. Chemical dangers Reacts violently with oxidants, reducing agents, strong acids and strong bases. The substance decomposes on heating producing toxic and corrosive fumes, including hydrogen sulfide and sulfur oxides. Occupational exposure limits TLV not established. MAK not established.	Inhalation risk A harmful contamination of the air will not or will only very slowly be reached on evaporation of this substance at 20°C Effects of short-term exposure The substance is mildly irritating to the eyes

PHYSICAL PROPERTIES	ENVIRONMENTAL DATA
Boiling point (decomposes): 366°C Melting point: 24-31°C Relative density (water = 1): 0.85 Solubility in water: none Flash point: 185°C c.c. Octanol/water partition coefficient as log Pow: 9.12 (estimated)

NOTES

Health effects of exposure to the substance have not been investigated adequately.
Environmental effects from the substance have not been investigated adequately.

IPCS
International
Programme on
Chemical Safety

Prepared in the context of cooperation between the International Programme on Chemical Safety and the European Commission
© IPCS 2006

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Updated by AS. Approved by GS. Last update: 29.01.2008