ICSC 1465 - n-BUTYRONITRILE

n-BUTYRONITRILE	ICSC: 1465 (June 2003)
Butanenitrile Butyric acid nitrile 1-Cyanopropane n-Propyl cyanide

CAS #: 109-74-0

UN #: 2411

EC Number: 203-700-6

	ACUTE HAZARDS	PREVENTION	FIRE FIGHTING
FIRE & EXPLOSION	Highly flammable. Gives off irritating or toxic fumes (or gases) in a fire. Above 17°C explosive vapour/air mixtures may be formed.	NO open flames, NO sparks and NO smoking. NO contact with oxidizing agents. Above 17°C use a closed system, ventilation and explosion-proof electrical equipment. Do NOT use compressed air for filling, discharging, or handling.	Use water spray, foam, alcohol-resistant foam, dry powder, carbon dioxide. In case of fire: keep drums, etc., cool by spraying with water.

STRICT HYGIENE! IN ALL CASES CONSULT A DOCTOR!
	SYMPTOMS	PREVENTION	FIRST AID
Inhalation	Dizziness. Laboured breathing. Nausea. Vomiting. Weakness. Confusion. Convulsions. Unconsciousness.	Use ventilation, local exhaust or breathing protection.	Fresh air, rest. Half-upright position. Artificial respiration may be needed. Refer for medical attention. See Notes.
Skin	MAY BE ABSORBED! Redness. Further see Inhalation.	Protective clothing. Protective gloves.	Remove contaminated clothes. Rinse and then wash skin with water and soap. Refer for medical attention .
Eyes	Redness. Pain. Blurred vision.	Wear face shield 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. Wash hands before eating.	Rinse mouth. Induce vomiting (ONLY IN CONSCIOUS PERSONS!). Give a slurry of activated charcoal in water to drink. Refer for medical attention . See Notes.

SPILLAGE DISPOSAL	CLASSIFICATION & LABELLING
Remove all ignition sources. Personal protection: self-contained breathing apparatus. Do NOT let this chemical enter the environment. 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 Transportation UN Classification UN Hazard Class: 3; UN Subsidiary Risks: 6.1; UN Pack Group: II
STORAGE
Fireproof. Separated from strong oxidants, strong reducing agents, strong bases, strong acids and food and feedstuffs. Keep in a well-ventilated room.
PACKAGING
Do not transport with food and feedstuffs.

n-BUTYRONITRILE

ICSC: 1465

PHYSICAL & CHEMICAL INFORMATION
Physical State; Appearance COLOURLESS LIQUID WITH CHARACTERISTIC ODOUR. Physical dangers The vapour mixes well with air, explosive mixtures are easily formed. Chemical dangers Decomposes on burning. Decomposes on contact with hot surfaces, flames or acids. This produces toxic and corrosive fumes including hydrogen cyanide and nitrogen oxides. Reacts violently with strong acids, strong bases, strong oxidants and strong reducing agents.	Formula: C₄H₇N / CH₃CH₂CH₂CN Molecular mass: 69.1 Boiling point: 116-118°C Melting point: -112°C Relative density (water = 1): 0.8 Solubility in water, g/100ml at 25°C: 3 Vapour pressure, kPa at 20°C: 2 Relative vapour density (air = 1): 2.4 Relative density of the vapour/air-mixture at 20°C (air = 1): 1.02 Flash point: 17°C Auto-ignition temperature: 501°C Explosive limits, vol% in air: 1.6-? Octanol/water partition coefficient as log Pow: 0.5/0.6

PHYSICAL & CHEMICAL INFORMATION

Physical State; Appearance
COLOURLESS LIQUID WITH CHARACTERISTIC ODOUR.

Physical dangers
The vapour mixes well with air, explosive mixtures are easily formed.

Chemical dangers
Decomposes on burning. Decomposes on contact with hot surfaces, flames or acids. This produces toxic and corrosive fumes including hydrogen cyanide and nitrogen oxides. Reacts violently with strong acids, strong bases, strong oxidants and strong reducing agents.

Formula: C₄H₇N / CH₃CH₂CH₂CN
Molecular mass: 69.1
Boiling point: 116-118°C
Melting point: -112°C
Relative density (water = 1): 0.8
Solubility in water, g/100ml at 25°C: 3
Vapour pressure, kPa at 20°C: 2
Relative vapour density (air = 1): 2.4
Relative density of the vapour/air-mixture at 20°C (air = 1): 1.02
Flash point: 17°C
Auto-ignition temperature: 501°C
Explosive limits, vol% in air: 1.6-?
Octanol/water partition coefficient as log Pow: 0.5/0.6

EXPOSURE & HEALTH EFFECTS
Routes of exposure The substance can be absorbed into the body by ingestion, by inhalation and through the skin. Effects of short-term exposure The vapour is mildly irritating to the eyes, skin and respiratory tract. The substance may cause effects on the cellular respiration (inhibition). This may result in convulsions, cardiac disorders and respiratory failure. Exposure at high levels could cause death. The effects may be delayed. Medical observation is indicated.	Inhalation risk A harmful contamination of the air can be reached rather quickly on evaporation of this substance at 20°C , on spraying or dispersing much faster. Effects of long-term or repeated exposure

EXPOSURE & HEALTH EFFECTS

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

Effects of short-term exposure
The vapour is mildly irritating to the eyes, skin and respiratory tract. The substance may cause effects on the cellular respiration (inhibition). This may result in convulsions, cardiac disorders and respiratory failure. Exposure at high levels could cause death. The effects may be delayed. Medical observation is indicated.

Inhalation risk
A harmful contamination of the air can be reached rather quickly on evaporation of this substance at 20°C , on spraying or dispersing much faster.

Effects of long-term or repeated exposure

OCCUPATIONAL EXPOSURE LIMITS
TLV: 0.00007 ppm as TWA; 0.0003 ppm as STEL; (skin); (DSEN); (RSEN)

ENVIRONMENT
This substance may be hazardous to the environment. Special attention should be given to birds.

NOTES
Specific treatment is necessary in case of poisoning with this substance; the appropriate means with instructions must be available. Depending on the degree of exposure, periodic medical examination is suggested.

ADDITIONAL INFORMATION

EC Classification
Symbol: T; R: 10-23/24/25; S: (1/2)-45

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    See Also:
       Toxicological Abbreviations