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n-PROPYL ACETATE
ICSC: 0940
Peer-Review Status: 11.04.2014 Validated
1-Acetoxypropane
1-Propyl acetate
Acetic acid, n-propyl ester
CAS #: 109-60-4 RTECS #: AJ3675000
UN #: 1276
EC #: 607-024-00-6
EINECS #: 203-686-1
    Formula: C5H10O2 / CH3COOCH2CH2CH3
Molecular mass: 102.13

TYPES OF HAZARD
/ EXPOSURE
ACUTE HAZARDS / SYMPTOMS PREVENTION FIRST AID / FIRE-FIGHTING
FIRE Highly flammable.  NO open flames, NO sparks and NO smoking.  Use alcohol-resistant foam, foam, powder, carbon dioxide, fine water spray. 
EXPLOSION Vapour/air mixtures are explosive.  Closed system, ventilation, explosion-proof electrical equipment and lighting. Do NOT use compressed air for filling, discharging, or handling.  In case of fire: keep drums, etc., cool by spraying with water. 
 
EXPOSURE   PREVENT GENERATION OF MISTS!   
Inhalation Cough. Sore throat. Headache. Drowsiness.  Use ventilation, local exhaust or breathing protection.  Fresh air, rest. Refer for medical attention. 
Skin Redness. Dry skin.  Protective gloves.  Rinse contaminated clothes (fire hazard) with plenty of water. Remove contaminated clothes. Rinse skin with plenty of water or shower. 
Eyes Redness.  Wear safety spectacles 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. Refer for medical attention . 

SPILLAGE DISPOSAL
PACKAGING & LABELLING
Remove all ignition sources. Evacuate danger area! Consult an expert! Personal protection: filter respirator for organic gases and vapours adapted to the airborne concentration of the substance. Do NOT wash away into sewer. Do NOT let this chemical enter the environment. Collect leaking liquid in sealable containers. Absorb remaining liquid in sand or inert absorbent. Then store and dispose of according to local regulations.   
EC Classification
Symbol: F, Xi; R: 11-36-66-67; S: (2)-16-26-29-33 
UN Classification
UN Hazard Class: 3; UN Pack Group: II 
GHS Classification
Signal: Danger
Highly flammable liquid and vapour
May cause drowsiness or dizziness
Harmful to aquatic life 
flam;flameexcl mark;warn

EMERGENCY RESPONSE SAFE STORAGE
NFPA Code: H1; F3; R0.  Fireproof. Separated from strong oxidants, strong bases and strong acids. Store in an area without drain or sewer access. 

IMPORTANT DATA
Physical State; Appearance
COLOURLESS LIQUID WITH CHARACTERISTIC ODOUR. 

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

Chemical dangers
Reacts with strong oxidants. This generates fire and explosion hazard. Reacts violently with strong acids and strong bases. Attacks rubber and some forms of plastic. 

Occupational exposure limits
TLV: 200 ppm as TWA; 250 ppm as STEL; (ACGIH 2014).
MAK: 100 ppm, 420 mg/m³; Peak limitation category: I(2); Pregnancy risk group: D; (DFG 2013). 

Routes of exposure
The substance can be absorbed into the body by inhalation of its vapour. 

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

Effects of short-term exposure
The vapour is mildly irritating to the eyes, respiratory tract and skin. The substance may cause effects on the central nervous system. Exposure far above the OEL could cause lowering of consciousness. 

Effects of long-term or repeated exposure
The substance defats the skin, which may cause dryness or cracking. 


PHYSICAL PROPERTIES ENVIRONMENTAL DATA
Boiling point: 101.6°C
Melting point: -92°C
Relative density (water = 1): 0.9
Solubility in water, g/100ml at 16°C: 1.6 (poor)
Vapour pressure, kPa at 20°C: 3.3
Relative vapour density (air = 1): 3.5
Relative density of the vapour/air-mixture at 20°C (air = 1): 1.08
Flash point: 10°C c.c.
Auto-ignition temperature: 455°C
Explosive limits, vol% in air: 1.7-8.0
Octanol/water partition coefficient as log Pow: 1.24  
The substance is harmful to aquatic organisms. 

NOTES
Do NOT take working clothes home. 

ADDITIONAL INFORMATION
 

IPCS
International
Programme on
Chemical Safety
WHO ILO EC Prepared in the context of cooperation between the International Programme on Chemical Safety and the European Commission
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       Toxicological Abbreviations