ICSC 0703 - 1-CHLOROBUTANE

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1-CHLOROBUTANE	ICSC: 0703 (May 2018)
Butyl chloride n-Propylcarbinyl chloride n-Butyl chloride

CAS #: 109-69-3

UN #: 1127

EC Number: 203-696-6

	ACUTE HAZARDS	PREVENTION	FIRE FIGHTING
FIRE & EXPLOSION	Highly flammable. Gives off irritating or toxic fumes (or gases) in a fire. Vapour/air mixtures are explosive.	NO open flames, NO sparks and NO smoking. Closed system, ventilation, explosion-proof electrical equipment and lighting. Prevent build-up of electrostatic charges (e.g., by grounding). Do NOT use compressed air for filling, discharging, or handling.	Use powder, foam, carbon dioxide. In case of fire: keep drums, etc., cool by spraying with water.

PREVENT GENERATION OF MISTS!
	SYMPTOMS	PREVENTION	FIRST AID
Inhalation	Cough. Sore throat. Drowsiness.	Use ventilation, local exhaust or breathing protection.	Fresh air, rest. Refer for medical attention.
Skin	Redness. Dry skin.	Protective gloves.	Remove contaminated clothes. Rinse and then wash skin with water and soap.
Eyes	Redness.	Wear safety spectacles or eye protection in combination with breathing protection.	First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention.
Ingestion	See Inhalation.	Do not eat, drink, or smoke during work.	Rinse mouth. Do NOT induce vomiting. Refer for medical attention .

SPILLAGE DISPOSAL	CLASSIFICATION & LABELLING
Personal protection: filter respirator for organic gases and vapours adapted to the airborne concentration of the substance. 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. Do NOT wash away into sewer. Do NOT let this chemical enter the environment.	According to UN GHS Criteria DANGER Highly flammable liquid and vapour Causes skin and eye irritation May cause respiratory irritation Transportation UN Classification UN Hazard Class: 3; UN Pack Group: II
STORAGE
Fireproof. Separated from incompatible materials. Well closed. Keep in a well-ventilated room. Store in an area without drain or sewer access. See Chemical Dangers.
PACKAGING
Marine pollutant.

1-CHLOROBUTANE

ICSC: 0703

PHYSICAL & CHEMICAL INFORMATION
Physical State; Appearance COLOURLESS LIQUID WITH PUNGENT ODOUR. Physical dangers The vapour is heavier than air and may travel along the ground; distant ignition possible. As a result of flow, agitation, etc., electrostatic charges can be generated. Chemical dangers Decomposes on heating and on burning. This produces toxic and corrosive fumes including hydrogen chloride (see ICSC 0163) and phosgene (see ICSC 0007). This generates toxic hazard. Reacts violently with oxidants and powdered metals. This generates fire and explosion hazard. Reacts slowly with water. This produces hydrochloric acid. Attacks aluminium and many plastics.	Formula: C₄H₉Cl / CH₃(CH₂)₃Cl Molecular mass: 92.6 Boiling point: 77-79°C Melting point: -123°C Relative density (water = 1): 0.89 (20°C) Solubility in water, g/l at 25°C: 0.87 (practically insoluble) Vapour pressure, kPa at 20°C: 11 Relative vapour density (air = 1): 3.2 Relative density of the vapour/air-mixture at 20°C (air = 1): 1.2 Flash point: -12°C Auto-ignition temperature: 245°C Explosive limits, vol% in air: 1.8-10.1 Octanol/water partition coefficient as log Pow: 2.82 Viscosity: 0.45 mPa*s at 20°C

PHYSICAL & CHEMICAL INFORMATION

Physical State; Appearance
COLOURLESS LIQUID WITH PUNGENT ODOUR.

Physical dangers
The vapour is heavier than air and may travel along the ground; distant ignition possible. As a result of flow, agitation, etc., electrostatic charges can be generated.

Chemical dangers
Decomposes on heating and on burning. This produces toxic and corrosive fumes including hydrogen chloride (see ICSC 0163) and phosgene (see ICSC 0007). This generates toxic hazard. Reacts violently with oxidants and powdered metals. This generates fire and explosion hazard. Reacts slowly with water. This produces hydrochloric acid. Attacks aluminium and many plastics.

Formula: C₄H₉Cl / CH₃(CH₂)₃Cl
Molecular mass: 92.6
Boiling point: 77-79°C
Melting point: -123°C
Relative density (water = 1): 0.89 (20°C)
Solubility in water, g/l at 25°C: 0.87 (practically insoluble)
Vapour pressure, kPa at 20°C: 11
Relative vapour density (air = 1): 3.2
Relative density of the vapour/air-mixture at 20°C (air = 1): 1.2
Flash point: -12°C
Auto-ignition temperature: 245°C
Explosive limits, vol% in air: 1.8-10.1
Octanol/water partition coefficient as log Pow: 2.82
Viscosity: 0.45 mPa*s at 20°C

EXPOSURE & HEALTH EFFECTS
Routes of exposure The substance can be absorbed into the body by inhalation of its vapour and by ingestion. Effects of short-term exposure The substance is irritating to the eyes, skin and respiratory tract. The substance may cause effects on the nervous system.	Inhalation risk A harmful contamination of the air can be reached very quickly on evaporation of this substance at 20°C , especially on spraying. Effects of long-term or repeated exposure

EXPOSURE & HEALTH EFFECTS

Routes of exposure
The substance can be absorbed into the body by inhalation of its vapour and by ingestion.

Effects of short-term exposure
The substance is irritating to the eyes, skin and respiratory tract. The substance may cause effects on the nervous system.

Inhalation risk
A harmful contamination of the air can be reached very quickly on evaporation of this substance at 20°C , especially on spraying.

Effects of long-term or repeated exposure

OCCUPATIONAL EXPOSURE LIMITS
MAK: 12 mg/m³, 3 ppm; peak limitation category: II(2)

ENVIRONMENT
Bioaccumulation of this chemical may occur along the food chain.

NOTES

ADDITIONAL INFORMATION

EC Classification

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