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BUTYL METHACRYLATE
ICSC: 1018
Peer-Review Status: 25.11.2009 Validated
2-Methyl butylacrylate
2-Propenoic acid, 2-methyl-, butyl ester
Butyl 2-methacrylate
Methacrylic acid, butyl ester 
CAS #: 97-88-1 RTECS #: OZ3675000
UN #: 2227
EC #: 607-033-00-5
EINECS #: 202-615-1
    Formula: C8H14O2 / CH2C(CH3)COO(CH2)3CH3
Molecular mass: 142.2

TYPES OF
HAZARD /
EXPOSURE
ACUTE HAZARDS / SYMPTOMS      PREVENTION      FIRST AID / FIRE FIGHTING
FIRE Flammable.  NO open flames, NO sparks and NO smoking.  Use foam, carbon dioxide. 
EXPLOSION Above 50°C explosive vapour/air mixtures may be formed.  Above 50°C use a closed system, ventilation and explosion-proof electrical equipment. Prevent build-up of electrostatic charges (e.g., by grounding).  In case of fire: keep drums, etc., cool by spraying with water. 
 
EXPOSURE   AVOID ALL CONTACT!   
Inhalation Sore throat. Cough. Shortness of breath.  Use ventilation, local exhaust or breathing protection.  Fresh air, rest. Half-upright position. Refer for medical attention. 
Skin Redness.  Protective gloves. Protective clothing.  Remove contaminated clothes. Rinse and then wash skin with water and soap. Refer for medical attention . 
Eyes Watering of the eyes. Redness. Pain.  Wear safety goggles.  Rinse with plenty of water (remove contact lenses if easily possible). 
Ingestion Cough. Sore throat. Abdominal cramps. Nausea.  Do not eat, drink, or smoke during work.  Rinse mouth. Do NOT induce vomiting. Refer for medical attention . 

SPILLAGE DISPOSAL
PACKAGING & LABELLING
Personal protection: filter respirator for organic gases and vapours adapted to the airborne concentration of the substance. 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: Xi; R: 10-36/37/38-43; S: (2); Note: D 
UN Classification
UN Hazard Class: 3; UN Pack Group: III 
GHS Classification
Signal: Warning
Flammable liquid and vapour
Causes skin irritation
Causes eye irritation
May cause an allergic skin reaction
May cause respiratory irritation
May be harmful if swallowed and enters airways
Harmful to aquatic life 
flam;flameexcl mark;warncancer;health haz

EMERGENCY RESPONSE SAFE STORAGE
NFPA Code: H1; F2; R2.  Fireproof. Separated from oxidants. Cool. Dry. Keep in the dark. Store only if stabilized. Store in an area without drain or sewer access. 

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

Physical dangers
As a result of flow, agitation, etc., electrostatic charges can be generated. 

Chemical dangers
The substance may polymerize due to heating, under the influence of moisture, oxidants or light. This generates fire or explosion hazard. 

Occupational exposure limits
TLV not established.
MAK: Sensitization of skin (SH); (DFG 2009).
EU OEL ( selected):. 

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

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 short-term exposure
Lachrymation. The substance is irritating to the eyes, skin and respiratory tract. If swallowed the substance may cause vomiting and could result in aspiration pneumonitis. Medical observation is indicated. 

Effects of long-term or repeated exposure
Repeated or prolonged contact may cause skin sensitization. 


PHYSICAL PROPERTIES ENVIRONMENTAL DATA
Boiling point: 163°C
Melting point: -50°C
Relative density (water = 1): 0.9
Solubility in water, g/100ml at 25°C: 0.08 (very poor)
Vapour pressure, kPa at 20°C: 0.3
Relative vapour density (air = 1): 4.9
Relative density of the vapour/air-mixture at 20°C (air = 1): 1.01
Flash point: 50°C c.c.
Auto-ignition temperature: 290°C
Explosive limits, vol% in air: 1-8
Octanol/water partition coefficient as log Pow: 2.26-3.01
Viscosity: 1.02 mm²/s at 24°C 
The substance is harmful to aquatic organisms. 

NOTES
An added stabilizer or inhibitor can influence the toxicological properties of this substance; consult an expert. 

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
© IPCS 2004-2012
LEGAL NOTICE Neither the EC nor the IPCS nor any person acting on behalf of the EC or the IPCS is responsible for the use which might be made of this information.


    See Also:
       Toxicological Abbreviations