ICSC 0395 - 1,2-BUTANEDIOL

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1,2-BUTANEDIOL	ICSC: 0395 (April 2014)
1,2-Butylene glycol 1,2-Dihydroxybutane

CAS #: 584-03-2

UN #: 1993

EC Number: 209-527-2

	ACUTE HAZARDS	PREVENTION	FIRE FIGHTING
FIRE & EXPLOSION	Combustible. Above 93°C explosive vapour/air mixtures may be formed.	NO open flames. Above 93°C use a closed system and ventilation.	Use water spray, powder, alcohol-resistant foam, carbon dioxide. In case of fire: keep cylinder cool by spraying with water.

PREVENT GENERATION OF MISTS!
	SYMPTOMS	PREVENTION	FIRST AID
Inhalation	Dizziness. Drowsiness. Headache.	Use ventilation.	Fresh air, rest.
Skin		Protective gloves.	Rinse skin with plenty of water or shower.
Eyes	Redness. Pain.	Wear safety spectacles.	First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention.
Ingestion	Nausea. Abdominal pain. Diarrhoea. Aspiration hazard!	Do not eat, drink, or smoke during work.	Rinse mouth. Do NOT induce vomiting. Refer immediately for medical attention.

SPILLAGE DISPOSAL	CLASSIFICATION & LABELLING
Collect leaking and spilled liquid in sealable containers as far as possible. Absorb remaining liquid in sand or inert absorbent. Then store and dispose of according to local regulations.	According to UN GHS Criteria WARNING Combustible liquid May be harmful if swallowed and enters airways Transportation UN Classification UN Hazard Class: 3; UN Pack Group: III
STORAGE
Separated from incompatible materials. See Chemical Dangers. Ventilation along the floor.
PACKAGING

1,2-BUTANEDIOL

ICSC: 0395

PHYSICAL & CHEMICAL INFORMATION
Physical State; Appearance COLOURLESS VISCOUS LIQUID. Physical dangers Chemical dangers Decomposes on heating. Reacts vigorously with strong oxidants, reducing agents, acids and acid anhydrides.	Formula: C₄H₁₀O₂ / CH₃CH₂CH(OH)CH₂OH Molecular mass: 90.1 Boiling point: 194°C Melting point: -114°C Relative density (water = 1): 1.01 Solubility in water: miscible Vapour pressure, Pa at 20°C: 10 Relative vapour density (air = 1): 3.1 Relative density of the vapour/air-mixture at 20°C (air = 1): 1.00 Flash point: 93°C c.c. Octanol/water partition coefficient as log Pow: -0.34 (20°C) Auto-ignition temperature: 390 °C Explosive limits, vol% in air: 1.8 - 15.7 Viscosity: 7.3 mm²/s at 20°C

PHYSICAL & CHEMICAL INFORMATION

Physical State; Appearance
COLOURLESS VISCOUS LIQUID.

Physical dangers

Chemical dangers
Decomposes on heating. Reacts vigorously with strong oxidants, reducing agents, acids and acid anhydrides.

Formula: C₄H₁₀O₂ / CH₃CH₂CH(OH)CH₂OH
Molecular mass: 90.1
Boiling point: 194°C
Melting point: -114°C
Relative density (water = 1): 1.01
Solubility in water: miscible
Vapour pressure, Pa at 20°C: 10
Relative vapour density (air = 1): 3.1
Relative density of the vapour/air-mixture at 20°C (air = 1): 1.00
Flash point: 93°C c.c.
Octanol/water partition coefficient as log Pow: -0.34 (20°C)
Auto-ignition temperature: 390 °C
Explosive limits, vol% in air: 1.8 - 15.7
Viscosity: 7.3 mm²/s at 20°C

EXPOSURE & HEALTH EFFECTS
Routes of exposure Effects of short-term exposure The substance is irritating to the eyes. Exposure at high levels could cause lowering of consciousness. If swallowed the substance easily enters the airways and could result in aspiration pneumonitis.	Inhalation risk No indication can be given whether a harmful concentration in the air will be reached. Effects of long-term or repeated exposure

EXPOSURE & HEALTH EFFECTS

Routes of exposure

Effects of short-term exposure
The substance is irritating to the eyes. Exposure at high levels could cause lowering of consciousness. If swallowed the substance easily enters the airways and could result in aspiration pneumonitis.

Inhalation risk
No indication can be given whether a harmful concentration in the air will be reached.

Effects of long-term or repeated exposure

OCCUPATIONAL EXPOSURE LIMITS

ENVIRONMENT
Environmental effects of the substance have been adequately investigated, but no significant effects have been found.

NOTES

ADDITIONAL INFORMATION

EC Classification

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