ICSC 0673 - PROPARGYL ALCOHOL

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PROPARGYL ALCOHOL	ICSC: 0673 (November 1997)
2-Propyn-1-ol

CAS #: 107-19-7

UN #: 2929

EC Number: 203-471-2

	ACUTE HAZARDS	PREVENTION	FIRE FIGHTING
FIRE & EXPLOSION	Flammable. Above 33°C explosive vapour/air mixtures may be formed.	NO open flames, NO sparks and NO smoking. Above 33°C use a closed system, ventilation and explosion-proof electrical equipment.	Use water spray, powder, alcohol-resistant foam, 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	Cough. Sore throat.	Use local exhaust or breathing protection.	Fresh air, rest. Refer for medical attention.
Skin	MAY BE ABSORBED! Redness.	Protective gloves. Protective clothing.	Remove contaminated clothes. Rinse skin with plenty of water or shower. Refer for medical attention . Wear protective gloves when administering first aid.
Eyes	Pain. Severe deep burns.	Wear safety goggles, 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		Do not eat, drink, or smoke during work.	Rinse mouth. Rest. Refer for medical attention .

SPILLAGE DISPOSAL	CLASSIFICATION & LABELLING
Personal protection: complete protective clothing including 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: 6.1; UN Subsidiary Risks: 3; UN Pack Group: II
STORAGE
Fireproof. Separated from strong oxidants and food and feedstuffs. Keep in the dark. Well closed.
PACKAGING
Do not transport with food and feedstuffs.

PROPARGYL ALCOHOL

ICSC: 0673

PHYSICAL & CHEMICAL INFORMATION
Physical State; Appearance COLOURLESS LIQUID WITH CHARACTERISTIC ODOUR. Physical dangers The vapour is heavier than air. Chemical dangers The substance may polymerize under the influence of heat, oxidizers, peroxides and light. Reacts violently with oxidants. Attacks many plastics.	Formula: C₃H₄O / CH_CCH₂OH Molecular mass: 56.1 Boiling point: 114°C Melting point: -48 - -52°C Relative density (water = 1): 0.97 Solubility in water: miscible Vapour pressure, kPa at 20°C: 1.54 Relative vapour density (air = 1): 1.93 Flash point: 33°C c.c. Explosive limits, vol% in air: 3.4-70

PHYSICAL & CHEMICAL INFORMATION

Physical State; Appearance
COLOURLESS LIQUID WITH CHARACTERISTIC ODOUR.

Physical dangers
The vapour is heavier than air.

Chemical dangers
The substance may polymerize under the influence of heat, oxidizers, peroxides and light. Reacts violently with oxidants. Attacks many plastics.

Formula: C₃H₄O / CH_CCH₂OH
Molecular mass: 56.1
Boiling point: 114°C
Melting point: -48 - -52°C
Relative density (water = 1): 0.97
Solubility in water: miscible
Vapour pressure, kPa at 20°C: 1.54
Relative vapour density (air = 1): 1.93
Flash point: 33°C c.c.
Explosive limits, vol% in air: 3.4-70

EXPOSURE & HEALTH EFFECTS
Routes of exposure The substance can be absorbed into the body by inhalation of its vapour, through the skin and by ingestion. Effects of short-term exposure The substance is irritating to the eyes, skin and respiratory tract. The vapour is irritating to the eyes, skin and respiratory tract. The substance may cause effects on the liver and kidneys. This may result in impaired functions. Exposure above the OEL could cause death. Medical observation is indicated.	Inhalation risk A harmful contamination of the air can be reached very quickly on evaporation of this substance at 20°C. 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, through the skin and by ingestion.

Effects of short-term exposure
The substance is irritating to the eyes, skin and respiratory tract. The vapour is irritating to the eyes, skin and respiratory tract. The substance may cause effects on the liver and kidneys. This may result in impaired functions. Exposure above the OEL could cause death. Medical observation is indicated.

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

Effects of long-term or repeated exposure

OCCUPATIONAL EXPOSURE LIMITS
TLV: 1 ppm as TWA; (skin). MAK: 4.7 mg/m³, 2 ppm; peak limitation category: I(2); skin absorption (H); pregnancy risk group: D

ENVIRONMENT
The substance is toxic to aquatic organisms.

NOTES
The odour warning when the exposure limit value is exceeded is insufficient. Vapours are uninhibited and may polymerize, blocking valves and vents.

ADDITIONAL INFORMATION

EC Classification
Symbol: T, N; R: 10-23/24/25-34-51/53; S: (1/2)-26-28-36-45-61

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