Univar USA Inc.
6100 Carillon Point
Kirkland, WA 98033
(425) 889-3400

For Emergency Assistance involving chemicals call - CHEMTREC (800) 424-9300
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The Version Date for this MSDS is : 08/02/2002
 
                                                                               
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SECTION I PRODUCT IDENTIFICATION                                               
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PRODUCT NAME:      CALCIUM HYDROXIDE HYDRATED LIME                             
                                                                               
MSDS #:            P16782V                                                     
                                                                               
DATE ISSUED:       1/1/02                                                      
                                                                               
SUPERSEDES:        4/6/98                                                      
                                                                               
ISSUED BY:         003744                                                      
                                                                               
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HMIS RATINGS  HEALTH 2  FLAMMABILITY 0  INSTABILITY 0  PROTECTIVE EQUIP: E     
                                                                               
CAS NO:  1305-62-0                                                             
                                                                               
SECTION II INGREDIENTS                                                         
                                                                               
MATERIALS                     %      TLV      PEL       CAS No                 
Calcium hydroxide, slaked lime      5mg/m3    5 mg/m3  (see above)             
                                                                               
Calcium hydroxide is not listed on the NTP, IARC, or OSHA list of              
Carcinogens. The vendor recommends using personal protection equipment         
When handling this product.                                                    
                                                                               
SECTION III PHYSICAL / CHEMICAL DATA                                           
                                                                               
BOILING POINT (calcium oxide): 5162 F                                          
SPECIFIC GRAVITY (H2O=1):  2.2                                                 
Vapor Pressure (mm Hg): NA                                                     
MELTING POINT:  1076 F                                                         
Vapor Density (Air = 1): NA                                                    
Evaporation Rate: NA                                                           
SOLUBILITY IN WATER: 0.185% at 0 C, 0.077% at 100 C                            
APPEARANCE AND ODOR:  White powder, Odorless                                   
                                                                               
                                                                               
SECTION IV FIRE AND EXPLOSION HAZARD DATA                                      
                                                                               
                                                                               
FLASH POINT:  NA                                                               
FLAMMABLE LIMITS:  NA                                                          
EXTINGUISHING MEDIA:  NA                                                       
SPECIAL FIRE FIGHTING PROCEDURES: NA.                                          
UNUSUAL FIRE AND EXPLOSION HAZARDS:  NA                                        
                                                                               
                                                                               
SECTION V REACTIVITY DATA                                                      
                                                                               
STABILITY:  Stable                                                             
CONDITIONS TO AVOID: NA                                                        
                                                                               
INCOMPATIBILITY: Acids, fluorine                                               
                                                                               
HAZARDOUS DECOMPOSITION PRODUCTS:  None                                        
                                                                               
HAZARDOUS POLYMERIZATION:  Will not occur.                                     
                                                                               
SECTION VI HEALTH HAZARD DATA                                                  
                                                                               
ROUTES OF ENTRY:                                                               
INHALATION: YES  Absorption through skin: YES  INGESTION (swallowing):  YES    
                                                                               
Health Hazard - Acute: Corrosive to skin and eyes. Causes irritation and       
Inflammation to mucous membrane and respirator passages.                       
                                                                               
Health Hazard - Chronic: NA                                                    
                                                                               
 CARCINOGENICITY         IARC          NTP             OSHA                    
Calcium Hydroxide        No            No              No                      
                                                                               
SIGNS & SYMPTOMS OF OVEREXPOSURE:                                              
Irritation of skin, eyes & respiratory tract.                                  
                                                                               
Medical Conditions Generally Aggravated by Exposure: Respiratory disease       
Skin condition.                                                                
                                                                               
EMERGENCY AND FIRST AID PROCEDURES:                                            
Remove to fresh air. Wash skin with soap and water. Flush out eyes with        
Generous amounts of water. Drink plenty of water if swallowed.                 
See physician.                                                                 
                                                                               
                                                                               
SECTION VII   PRECAUTIONS FOR SAFE HANDLING                                    
                                                                               
STEPS TO BE TAKEN IN CASE MATERIAL IS RELEASED OR SPILLED:                     
Normal clean-up procedures.  Care should be taken to avoid causing dust to     
become airborne.  Vacuum cleaning systems are recommended.                     
                                                                               
WASTE DISPOSAL METHOD:   Dispose of in accordance with Federal, State and      
local regulations.                                                             
                                                                               
PRECAUTIONS TO BE TAKEN IN HANDLING:                                           
Store away from incompatible substances.                                       
                                                                               
Other Precautions: None                                                        
                                                                               
                                                                               
SECTION VIII CONTROL MEASURES                                                  
                                                                               
RESPIRATORY PROTECTION: Dust filter mask is recommended as minimal protection. 
                                                                               
Ventilation: Local Exhaust - To maintain TLV's and PEL's                       
             Mechanical - To maintain TLV's and PEL's                          
             Special: None                                                     
             Other: None                                                       
                                                                               
PROTECTIVE GLOVES:  Cloth or leather gloves will protect skin                  
                                                                               
EYE PROTECTION:  Fitted goggles will reduce eye injury.                        
                                                                               
OTHER PROTECTIVE CLOTHING:  Long sleeve shirts and pants                       
                                                                               
WORK/HYGIENIC PRACTICES:                                                       
maintain dust exposure limits below TLV'S and PEL'S.  If not possible          
then use respiratory protection.                                               
                                                                               
                                                                               
SECTION IX REGULATORY COMPLIANCE                                               
                                                                               
Listed on the US EPA TSCA inventory and is not regulated as a                  
hazardous material by the Department of Transportation.                        

For Additional Information:
Contact: MSDS Coordinator - Univar USA
During business hours, Pacific Time - (425) 889-3400

NOTICE
Univar USA, expressly disclaims all express or implied warranties of merchantibility and fitness
for a particular purpose, with respect to the product or information provided herein, and shall
under no circumstances be liable for incidental or consequential damages.

Do not use ingredient information and/or ingredient percentages in this MSDS as a product
specification. For product specification information refer to a Product Specification Sheet and/or a
Certificate of Analysis. These can be obtained from your local Univar USA Sales Office.

All information appearing herein is based upon data obtained from the manufacturer and/or
recognized technical sources. While the information is believed to be accurate, Univar USA
makes no representations as to its accuracy or sufficiency. Conditions of use are beyond Univar
USA's control and therefore users are responsible to verify this data under their own operating
conditions to determine whether the product is suitable for their particular purposes and they
assume all risks of their use, handling, and disposal of the product, or from the publication or use
of, or reliance upon, information contained herein. This information relates only to the product
designated herein, and does not relate to its use in combination with any other material or in any
other process.

END OF MSDS