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ROSIN
ICSC: 0358
Peer-Review Status: 21.04.2004 Validated
Colophony
Gum rosin 
CAS #: 8050-09-7 RTECS #: VL0480000
EC #: 650-015-00-7
EINECS #: 232-475-7
   

TYPES OF HAZARD
/ EXPOSURE
ACUTE HAZARDS / SYMPTOMS PREVENTION FIRST AID / FIRE-FIGHTING
FIRE Combustible.  NO open flames.  Use water spray, powder. 
EXPLOSION      
 
EXPOSURE   PREVENT DISPERSION OF DUST! AVOID ALL CONTACT!   
Inhalation Wheezing.  Use local exhaust or breathing protection.  Fresh air, rest. Refer for medical attention. 
Skin   Protective gloves. Protective clothing.  Remove contaminated clothes. Rinse and then wash skin with water and soap. 
Eyes   Wear safety goggles.  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.   

SPILLAGE DISPOSAL
PACKAGING & LABELLING
Personal protection: particulate filter respirator adapted to the airborne concentration of the substance. Sweep spilled substance into covered containers. If appropriate, moisten first to prevent dusting. Carefully collect remainder. Then store and dispose of according to local regulations.   
EC Classification
Symbol: Xi; R: 43; S: (2)-24-37 
UN Classification
 
GHS Classification
 

EMERGENCY RESPONSE SAFE STORAGE
  Store in covered containers. Separated from strong oxidants. 

IMPORTANT DATA
Physical State; Appearance
PALE-YELLOW-TO-AMBER FRAGMENTS OR POWDER WITH CHARACTERISTIC ODOUR. 

Physical dangers
 

Chemical dangers
Decomposes on heating. This produces irritating fumes. 

Occupational exposure limits
MAK: Sensitization of skin (SH); (DFG 2003). 

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

Inhalation risk
A harmful concentration of airborne particles can be reached quickly when dispersed, especially if powdered or as fumes. 

Effects of short-term exposure
 

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


PHYSICAL PROPERTIES ENVIRONMENTAL DATA
Melting point: 100-150°C
Density: 1.07 g/cm³
Solubility in water: none
Flash point: 187°C
Minimum ignition energy: 10mJ 
 

NOTES
Rosin is obtained from pine trees.
Rosin is available as wood rosin, gum rosin or tall oil rosin.
Anyone who has shown symptoms of asthma due to this substance should avoid all further contact with this substance.
TLV Note: Exposure by all routes should be carefully controlled to levels as low as possible. 

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