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ISOAMYL ACETATEICSC: 0356
February 2000
CAS #: 123-92-2Isopentyl acetate
3-Methylbutyl acetate
UN #: 1104
EINECS #: 204-662-3

  ACUTE HAZARDS PREVENTION FIRE FIGHTING
FIRE & EXPLOSION Flammable.  Above 25°C explosive vapour/air mixtures may be formed.  NO open flames, NO sparks and NO smoking.  Above 25°C use a closed system, ventilation and explosion-proof electrical equipment.  Use alcohol-resistant foam, powder, carbon dioxide.  In case of fire: keep drums, etc., cool by spraying with water. 

   
  SYMPTOMS ACUTE HAZARDS FIRST AID
Inhalation Sore throat. Cough. Headache. Weakness. Drowsiness.  Use ventilation, local exhaust or breathing protection.  Fresh air, rest. Refer for medical attention. 
Skin Dry skin.  Protective gloves.  Remove contaminated clothes. Rinse skin with plenty of water or shower. 
Eyes Redness. Pain.  Wear safety goggles.  First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention. 
Ingestion Sore throat. Nausea. Abdominal pain. Further see Inhalation.  Do not eat, drink, or smoke during work.  Rinse mouth. Give one or two glasses of water to drink. Refer for medical attention . 

SPILLAGE DISPOSAL CLASSIFICATION & LABELLING
Collect leaking liquid in sealable containers. 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: 3; UN Pack Group: III 

STORAGE
Fireproof. Separated from strong oxidants. 
PACKAGING
 
ISOAMYL ACETATE ICSC: 0356
PHYSICAL & CHEMICAL INFORMATION

Physical State; Appearance
COLOURLESS LIQUID WITH CHARACTERISTIC ODOUR. 

Physical dangers
 

Chemical dangers
Reacts violently with strong oxidants. This generates fire and explosion hazard. Attacks some forms of resins. 

Formula: C7H14O2 / CH3COO(CH2)2CH(CH3)2
Molecular mass: 130.2
Boiling point: 142°C
Melting point: -79°C
Relative density (water = 1): 0.87
Solubility in water, g/100ml at 20°C: 0.2
Vapour pressure, kPa at 20°C:
Relative vapour density (air = 1): 4.5
Relative density of the vapour/air-mixture at 20°C (air = 1): 1.018
Flash point: 25°C c.c.
Auto-ignition temperature: 360°C
Explosive limits, vol% in air: 1.0-7.5 (at 100°C)
Octanol/water partition coefficient as log Pow: 2.13  


EXPOSURE & HEALTH EFFECTS

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

Effects of short-term exposure
The vapour is irritating to the eyes and respiratory tract. Exposure to high concentrations of vapour could cause unconsciousness. 

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

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


Occupational exposure limits
TLV: 50 ppm as TWA; 100 ppm as STEL.
MAK: 270 mg/m3, 50 ppm; peak limitation category: I(1); pregnancy risk group: D.
EU-OEL: 270 mg/m3, 50 ppm as TWA; 540 mg/m3, 100 ppm as STEL 

ENVIRONMENT
 

NOTES
 

ADDITIONAL INFORMATION
  EC Classification
R: 10-66; S: (2)-23-25; Note: C 

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    See Also:
       Toxicological Abbreviations
       ISOAMYL ACETATE (JECFA Evaluation)