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2-HYDROXYETHYL METHACRYLATE
ICSC: 1724
Peer-Review Status: 13.11.2008 Validated
Ethylene glycol monomethacrylate
2-Propenoic acid, 2-methyl-,2-hydroxiethyl ester
HEMA 
CAS #: 868-77-9 RTECS #: OZ4725000
EC #: 607-124-00-X
EINECS #: 212-782-2
    Formula: C6H10O3
Molecular mass: 130.1

TYPES OF
HAZARD /
EXPOSURE
ACUTE HAZARDS / SYMPTOMS      PREVENTION      FIRST AID / FIRE FIGHTING
FIRE Combustible.  NO open flames.  Use water spray, dry powder, alcohol-resistant foam. 
EXPLOSION Above 97°C explosive vapour/air mixtures may be formed.  Above 97°C use a closed system and ventilation.  In case of fire: keep drums, etc., cool by spraying with water. 
 
EXPOSURE   PREVENT GENERATION OF MISTS!   
Inhalation Cough. Sore throat.  Use ventilation (not if powder), local exhaust or breathing protection.  Fresh air, rest. Refer for medical attention. 
Skin Redness.  Protective gloves. Protective clothing.  First rinse with plenty of water for at least 15 minutes, then remove contaminated clothes and rinse again. Refer for medical attention . 
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 Sore throat. Aspiration hazard!  Do not eat, drink, or smoke during work.  Rinse mouth. Do NOT induce vomiting. Give one or two glasses of water to drink. Refer immediately for medical attention. 

SPILLAGE DISPOSAL
PACKAGING & LABELLING
Personal protection: chemical protection suit and filter respirator for organic gases and vapours adapted to the airborne concentration of the substance. Collect leaking liquid in covered containers. Absorb remaining liquid in sand or inert absorbent. Then store and dispose of according to local regulations.   
EC Classification
Symbol: Xi; R: 36/38-43; S: (2)-26-28; Note: D 
UN Classification
 
GHS Classification
Signal: Warning
May be harmful if swallowed
Causes skin irritation
Causes eye irritation
May cause allergic skin reaction
May be harmful if swallowed and enters airways 
excl mark;warncancer;health haz

EMERGENCY RESPONSE SAFE STORAGE
  Store only if stabilized. Keep in the dark. Cool. Ventilation along the floor. 

IMPORTANT DATA
Physical State; Appearance
COLOURLESS LIQUID. 

Physical dangers
 

Chemical dangers
The substance will polymerize due to heating, on contact with peroxides, and under the influence of light. Heating may cause violent combustion or explosion. This produces acrid smoke. The substance may spontaneously polymerize if it is not stabilized. 

Occupational exposure limits
TLV not established.
MAK: Sensitization of skin (SH); (DFG 2008). 

Routes of exposure
 

Inhalation risk
No indication can be given about the rate at which a harmful concentration of this substance in the air is reached. 

Effects of short-term exposure
The substance is irritating to the eyes, skin and respiratory tract. If this liquid is swallowed, aspiration into the lungs may result in chemical pneumonitis. 

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


PHYSICAL PROPERTIES ENVIRONMENTAL DATA
Boiling point: 250°C (calculated)
See Notes.
Melting point: <-60°C
Density: 1.07 g/cm³
Solubility in water: miscible
Vapour pressure, Pa at 25°C: 17
Relative vapour density (air = 1): 4.5
Flash point: 97°C c.c.
Octanol/water partition coefficient as log Pow: 0.42
Viscosity: 8.4 mm²/s at 20°C 
 

NOTES
Boiling Point cannot be experimentally determined: at 1013 hPa polymerization occurs at elevated temperatures, other boiling point: 67 C at 4.6 hPa.
Methacrylates are normally stabilized by addition of phenolic inhibitors during transport and storage.
An added stabilizer or inhibitor can influence the toxicological properties of this substance; consult an expert.
May cause cross sensitization towards other acrylates. 

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