VALERALDEHYDE 1417
March 2002
n-Pentanal
CAS No: 110-62-3
Amyl aldehyde
RTECS No: YV3600000
Butyl formal
UN No: 2058
C5H10O / CH3(CH2)3CHO
Molecular mass: 86.1
TYPES OF
ACUTE HAZARDS/SYMPTOMS PREVENTION FIRST AID/FIRE FIGHTING
HAZARD/
EXPOSURE
Highly flammable. NO open flames, NO sparks, and Powder, alcohol-resistant foam,
FIRE
NO smoking. water spray, carbon dioxide.
Vapour/air mixtures are explosive. Closed system, ventilation, In case of fire: keep drums, etc.,
EXPLOSION
explosion-proof electrical equipment cool by spraying with water.
and lighting. Do NOT use
compressed air for filling,
discharging, or handling.
EXPOSURE
Cough. Sore throat. Ventilation, local exhaust, or Fresh air, rest.
Inhalation
breathing protection.
Redness. Protective gloves. Remove contaminated clothes.
Skin
Rinse and then wash skin with
water and soap.
Redness. Pain. Safety goggles. First rinse with plenty of water for
Eyes
several minutes (remove contact
lenses if easily possible), then take
to a doctor.
Nausea. Diarrhoea. Vomiting. Do not eat, drink, or smoke during Rinse mouth. Give plenty of water
Ingestion
work. to drink. Refer for medical attention.
SPILLAGE DISPOSAL PACKAGING & LABELLING
Ventilation. Remove all ignition sources. Collect UN Hazard Class: 3
leaking and spilled liquid in sealable containers as UN Pack Group: II
far as possible. Absorb remaining liquid in sand or
inert absorbent and remove to safe place. Do NOT
wash away into sewer. Remove vapour with fine
water spray. Do NOT let this chemical enter the
environment. (Extra personal protection: filter
respirator for organic gases and vapours.)
EMERGENCY RESPONSE STORAGE
Transport Emergency Card: TEC (R)-30GF1-I+II Fireproof. Well closed. Cool.
NFPA Code: H1; F3; R0
Prepared in the context of cooperation between the International
IPCS Programme on Chemical Safety and the European Commission
International 漏 IPCS 2002
Programme on
Chemical Safety SEE IMPORTANT INFORMATION ON THE BACK.
1417 VALERALDEHYDE
IMPORTANT DATA
Physical State; Appearance Routes of exposure
COLOURLESS LIQUID, WITH CHARACTERISTIC ODOUR. The substance can be absorbed into the body by inhalation of
its vapour.
Physical dangers
Inhalation risk
The vapour mixes well with air, explosive mixtures are formed
easily. A harmful contamination of the air can be reached rather
quickly on evaporation of this substance at 20掳C.
Chemical dangers
Effects of short-term exposure
The substance can presumably form explosive peroxides. The
substance may polymerize due to warming and under the The substance is irritating to the eyes, the skin and the
influence of inorganic acid(s) and base(s) with fire or explosion respiratory tract.
hazard.
Occupational exposure limits
TLV: 50 ppm as TWA (ACGIH 2001).
PHYSICAL PROPERTIES
Boiling point: 103掳C Relative density of the vapour/air-mixture at 20掳C (air = 1): 1.07
Melting point: -91掳C Flash point: 12掳C o.c.
Relative density (water = 1): 0.8 Auto-ignition temperature: 222掳C
Solubility in water, g/100 ml at 20掳C: 1.4 moderate Explosive limits, vol% in air: 1.4-7.2
Vapour pressure, kPa at 20掳C: 3.4 Octanol/water partition coefficient as log Pow: 1.31
Relative vapour density (air = 1): 3
ENVIRONMENTAL DATA
The substance is harmful to aquatic organisms.
NOTES
Check for peroxides prior to distillation; eliminate if found.
ADDITIONAL INFORMATION
Neither the EC nor the IPCS nor any person acting on behalf of the EC or the IPCS is responsible
LEGAL NOTICE for the use which might be made of this information
漏IPCS 2002
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