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ROSINICSC: 0358
Colophony
Gum rosin
April 2004
CAS #: 8050-09-7
EC Number: 232-475-7

  ACUTE HAZARDS PREVENTION FIRE FIGHTING
FIRE & EXPLOSION Combustible.    NO open flames.    Use water spray, powder.   

 PREVENT DISPERSION OF DUST! AVOID ALL CONTACT!  
  SYMPTOMS PREVENTION FIRST AID
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 CLASSIFICATION & 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. 

According to UN GHS Criteria

 

Transportation
UN Classification
 

STORAGE
Store in covered containers. Separated from strong oxidants. 
PACKAGING
 
ROSIN ICSC: 0358
PHYSICAL & CHEMICAL INFORMATION

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

Physical dangers
 

Chemical dangers
Decomposes on heating. This produces irritating fumes. 


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


EXPOSURE & HEALTH EFFECTS

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

Effects of short-term exposure
 

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

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


OCCUPATIONAL EXPOSURE LIMITS
TLV (SEN).
MAK sensitization of skin (SH) 

ENVIRONMENT
 

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
  EC Classification
Symbol: Xi; R: 43; S: (2)-24-37 

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       Toxicological Abbreviations