ICSC 0346 - VALERIC ACID

[List of Chemicals] [Risk Notes] [Risk Phrases] [Safety Phrases] [Danger Symbols]

VALERIC ACID

ICSC: 0346
_{March 2002}

Pentanoic acid
Propylacetic acid
1-Butanecarboxylic acid
n-Pentanoic acid

CAS No: 109-52-4
RTECS No: YV6100000
UN No: 3265
EC No: 607-143-00-3

C₅H₁₀O₂ / CH₃(CH₂)₃COOH
Molecular mass: 102.1

TYPES OF HAZARD / EXPOSURE	ACUTE HAZARDS / SYMPTOMS	PREVENTION	FIRE FIGHTING
FIRE	Combustible.	NO open flames.	Powder, water spray, foam, carbon dioxide.
EXPLOSION	Above 86°C explosive vapour/air mixtures may be formed.	Above 86°C use a closed system, ventilation.

EXPOSURE		AVOID ALL CONTACT!	IN ALL CASES CONSULT A DOCTOR!
Inhalation	Burning sensation. Cough. Sore throat.	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 deep burns.	Face shield.	First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.
Ingestion	Burning sensation. Abdominal pain. Shock or collapse.	Do not eat, drink, or smoke during work.	Rinse mouth. Give plenty of water to drink. Do NOT induce vomiting. Refer for medical attention.

SPILLAGE DISPOSAL	PACKAGING & LABELLING
Collect leaking liquid in covered containers. Wash away spilled liquid with plenty of water. Do NOT let this chemical enter the environment.	C Symbol R: 34-52/53 S: (1/2-)26-36-45-61 UN Hazard Class: 8

EMERGENCY RESPONSE	STORAGE
NFPA Code: H2; F2; R0; Transport Emergency Card: TEC (R)-80GC3-II+III	Separated from strong bases.

IMPORTANT DATA
Physical State; Appearance COLOURLESS LIQUID, WITH CHARACTERISTIC ODOUR. Physical dangers The vapour is heavier than air. Chemical dangers The substance is a weak acid. Occupational exposure limits TLV not established.	Routes of exposure The substance can be absorbed into the body by inhalation and by ingestion. Inhalation risk No indication can be given about the rate in which a harmful concentration in the air is reached on evaporation of this substance at 20°C. Effects of short-term exposure The substance is corrosive to the eyes, the skin and the respiratory tract. Corrosive on ingestion.

PHYSICAL PROPERTIES	ENVIRONMENTAL DATA
Boiling point: 186-187°C Melting point: -34.5°C Relative density (water = 1): 0.94 Solubility in water, g/100 ml: 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	The substance is harmful to aquatic organisms.

NOTES

IPCS
International
Programme on
Chemical Safety

Prepared in the context of cooperation between the International Programme on Chemical Safety and the European Commission
© IPCS 2002

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Updated by AS. Approved by EC. Last update: 09.05.2002