Safety Data Sheets (SDS)
2. Hazard(s) Identification (cont’d.) 
 Skin Irritation  
Category 2  
(H315) 
Specific Target Organ 
Toxicity- Single 
Exposure (STOT) 
Category-3 
(H335) 
May cause skin irritation 
May cause respiratory irritation 
Eye Irritation 
Category 2B  
(H320) 
Causes eye irritation 
None 
Combustible Dust 
(OSHA Defined Hazard)  
If converted to small particles during further 
processing, handling, or by other means, 
may form combustible dust concentrations 
in air 
None 
*Hazard codes (GHS) 
HMIS Rating (Scale 0-4):  
Health = 
2* 
Fire = 
1 
Physical Hazard = 
0 
NFPA Rating (Scale 0-4): 
Health = 
1 
Fire = 
1 
Reactivity = 
0 
Precautionary Statement(s)/Codes (GHS):  
Prevention Statements: 
P210:  Keep away from sparks, flame or other heat sources.   
P243: Take precautionary measures against static discharge. 
P260 and P261: Avoid breathing dust. 
P280:  Wear appropriate protective equipment for skin exposure. In case of inadequate ventilation 
wear an approved respirator suitable for conditions of use. 
P362 and P363: Take off contaminated clothing and wash before reuse. 
Response Statements: 
P304 and P340: If inhaled and breathing becomes difficult, remove person to fresh air and keep 
comfortable for breathing. 
P308 and P313: If experiencing respiratory symptoms, following removal to fresh air, call a doctor or 
other qualified medical professional. 
P313: If skin irritation or rash occurs get medical advice/attention. 
P362: Wash contaminated clothing before reuse.  
P352 and P264: If on skin wash with plenty of soap and water. 
P338 and P351: If in eyes, rinse cautiously for several minutes. Remove contact lenses if present 
and easy to do so.  
Disposal: 
P501: Dispose of in accordance with Federal, state and local regulations. 
Ingredients of Unknown Acute Toxicity (>1%): NAP 
Weyerhaeuser SDS WC S335-12 (M) 
Page 2 of 9 Rev. 09/11/2015 










