ICSC 0346 - VALERIC ACID

« back to the search result list

VALERIC ACID	ICSC: 0346 (May 2002)
Pentanoic acid Propylacetic acid 1-Butanecarboxylic acid n-Pentanoic acid

CAS #: 109-52-4

UN #: 3265

EC Number: 203-677-2

	ACUTE HAZARDS	PREVENTION	FIRE FIGHTING
FIRE & EXPLOSION	Combustible. Above 86°C explosive vapour/air mixtures may be formed.	NO open flames. Above 86°C use a closed system and ventilation.	Use water spray, powder, foam, carbon dioxide.

AVOID ALL CONTACT! IN ALL CASES CONSULT A DOCTOR!
	SYMPTOMS	PREVENTION	FIRST AID
Inhalation	Burning sensation. Cough. Sore throat.	Use ventilation, local exhaust or breathing protection.	Fresh air, rest. Refer for medical attention.
Skin	Redness. Pain. Skin burns.	Protective gloves. Protective clothing.	Remove contaminated clothes. Rinse skin with plenty of water or shower. Refer for medical attention .
Eyes	Redness. Pain. Severe burns.	Wear face shield.	First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention.
Ingestion	Burning sensation. Abdominal pain. Shock or collapse.	Do not eat, drink, or smoke during work.	Rinse mouth. Give one or two glasses of water to drink. Do NOT induce vomiting. Refer for medical attention .

SPILLAGE DISPOSAL	CLASSIFICATION & LABELLING
Do NOT let this chemical enter the environment. Collect leaking liquid in covered containers. Wash away remainder with plenty of water.	According to UN GHS Criteria Transportation UN Classification UN Hazard Class: 8
STORAGE
Separated from strong bases.
PACKAGING

VALERIC ACID

ICSC: 0346

PHYSICAL & CHEMICAL INFORMATION
Physical State; Appearance COLOURLESS LIQUID WITH CHARACTERISTIC ODOUR. Physical dangers The vapour is heavier than air. Chemical dangers The substance is a weak acid.	Formula: C₅H₁₀O₂ / CH₃(CH₂)₃COOH Molecular mass: 102.1 Boiling point: 186-187°C Melting point: -34.5°C Relative density (water = 1): 0.94 Solubility in water, g/100ml: 2.4 Vapour pressure, kPa at 20°C: 0.02 Relative vapour density (air = 1): 3.52 Flash point: 86°C c.c. Auto-ignition temperature: 400°C Explosive limits, vol% in air: 1.6-7.6 Octanol/water partition coefficient as log Pow: 1.39

PHYSICAL & CHEMICAL INFORMATION

Physical State; Appearance
COLOURLESS LIQUID WITH CHARACTERISTIC ODOUR.

Physical dangers
The vapour is heavier than air.

Chemical dangers
The substance is a weak acid.

Formula: C₅H₁₀O₂ / CH₃(CH₂)₃COOH
Molecular mass: 102.1
Boiling point: 186-187°C
Melting point: -34.5°C
Relative density (water = 1): 0.94
Solubility in water, g/100ml: 2.4
Vapour pressure, kPa at 20°C: 0.02
Relative vapour density (air = 1): 3.52
Flash point: 86°C c.c.
Auto-ignition temperature: 400°C
Explosive limits, vol% in air: 1.6-7.6
Octanol/water partition coefficient as log Pow: 1.39

EXPOSURE & HEALTH EFFECTS
Routes of exposure The substance can be absorbed into the body by inhalation and by ingestion. Effects of short-term exposure The substance is corrosive to the eyes, skin and respiratory tract. Corrosive on ingestion.	Inhalation risk No indication can be given about the rate at which a harmful concentration of this substance in the air is reached on evaporation 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 and by ingestion.

Effects of short-term exposure
The substance is corrosive to the eyes, skin and respiratory tract. Corrosive on ingestion.

Inhalation risk
No indication can be given about the rate at which a harmful concentration of this substance in the air is reached on evaporation at 20°C.

Effects of long-term or repeated exposure

OCCUPATIONAL EXPOSURE LIMITS

ENVIRONMENT
The substance is harmful to aquatic organisms.

NOTES

ADDITIONAL INFORMATION

EC Classification
Symbol: C; R: 34-52/53; S: (1/2)-26-36-45-61

All rights reserved. The published material is being distributed without warranty of any kind, either expressed or implied. Neither ILO nor WHO nor the European Commission shall be responsible for the interpretation and use of the information contained in this material.