ICSC 1148 - 2-MERCAPTOIMIDAZOLINE

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2-MERCAPTOIMIDAZOLINE	ICSC: 1148 (November 2016)
2-Imidazolidinethione Ethylene thiourea ETU

CAS #: 96-45-7

EC Number: 202-506-9

	ACUTE HAZARDS	PREVENTION	FIRE FIGHTING
FIRE & EXPLOSION	Combustible. Gives off irritating or toxic fumes (or gases) in a fire. Finely dispersed particles form explosive mixtures in air.	NO open flames. PREVENT DISPERSION OF DUST.	Use water spray, powder, foam, carbon dioxide.

PREVENT DISPERSION OF DUST! STRICT HYGIENE!
	SYMPTOMS	PREVENTION	FIRST AID
Inhalation		Use local exhaust or breathing protection.	Fresh air.
Skin		Protective gloves.	Rinse skin with plenty of water or shower.
Eyes		Wear safety spectacles.	Rinse with plenty of water (remove contact lenses if easily possible).
Ingestion		Do not eat, drink, or smoke during work.	Rinse mouth. Seek medical attention if you feel unwell.

SPILLAGE DISPOSAL	CLASSIFICATION & LABELLING
Personal protection: particulate filter respirator adapted to the airborne concentration of the substance. Do NOT let this chemical enter the environment. Sweep spilled substance into covered sealable containers. If appropriate, moisten first to prevent dusting. Carefully collect remainder. Then store and dispose of according to local regulations.	According to UN GHS Criteria DANGER Harmful if swallowed May damage fertility or the unborn child Harmful to aquatic life Transportation UN Classification
STORAGE
Separated from strong oxidants. Store in an area without drain or sewer access.
PACKAGING

2-MERCAPTOIMIDAZOLINE

ICSC: 1148

PHYSICAL & CHEMICAL INFORMATION
Physical State; Appearance WHITE CRYSTALS OR POWDER. Physical dangers Dust explosion possible if in powder or granular form, mixed with air. Chemical dangers Decomposes on heating and on burning. This produces toxic and irritating fumes including nitrogen oxides and sulfur oxides. Reacts with strong oxidants. This generates fire and explosion hazard.	Formula: C₃H₆N₂S Molecular mass: 102.2 Melting point: 194°C Solubility in water, g/100ml at 30°C: 2 (moderate) Flash point: 252°C Octanol/water partition coefficient as log Pow: -0.66 (calculated) Vapour pressure, Pa at 25°C: 133 Density (at 20 °C): 1,26-1,28 g/cm³

PHYSICAL & CHEMICAL INFORMATION

Physical State; Appearance
WHITE CRYSTALS OR POWDER.

Physical dangers
Dust explosion possible if in powder or granular form, mixed with air.

Chemical dangers
Decomposes on heating and on burning. This produces toxic and irritating fumes including nitrogen oxides and sulfur oxides. Reacts with strong oxidants. This generates fire and explosion hazard.

Formula: C₃H₆N₂S
Molecular mass: 102.2
Melting point: 194°C
Solubility in water, g/100ml at 30°C: 2 (moderate)
Flash point: 252°C
Octanol/water partition coefficient as log Pow: -0.66 (calculated)
Vapour pressure, Pa at 25°C: 133
Density (at 20 °C): 1,26-1,28 g/cm³

EXPOSURE & HEALTH EFFECTS
Routes of exposure The substance can be absorbed into the body by inhalation and through the skin. Effects of short-term exposure May cause mechanical irritation. Immediately glues (sticks to) biological tissues. This may result in allergic-type reaction of the eyelids (rose eye).	Inhalation risk Evaporation at 20°C is negligible; a harmful concentration of airborne particles can, however, be reached quickly on spraying or when dispersed, especially if powdered. Effects of long-term or repeated exposure The substance may have effects on the thyroid and liver. This may result in impaired functions. May cause toxicity to human reproduction or development.

EXPOSURE & HEALTH EFFECTS

Routes of exposure
The substance can be absorbed into the body by inhalation and through the skin.

Effects of short-term exposure
May cause mechanical irritation. Immediately glues (sticks to) biological tissues. This may result in allergic-type reaction of the eyelids (rose eye).

Inhalation risk
Evaporation at 20°C is negligible; a harmful concentration of airborne particles can, however, be reached quickly on spraying or when dispersed, especially if powdered.

Effects of long-term or repeated exposure
The substance may have effects on the thyroid and liver. This may result in impaired functions. May cause toxicity to human reproduction or development.

OCCUPATIONAL EXPOSURE LIMITS
MAK: carcinogen category: 3

ENVIRONMENT
The substance is harmful to aquatic organisms.

NOTES
Depending on the degree of exposure, periodic medical examination is suggested.

ADDITIONAL INFORMATION

EC Classification

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