LOCTITE CORPORATION                                                    12/03/00
                             ROCKY HILL, CONNECTICUT 06067
                             EMERGENCY PHONE: (860) 571-5100
 
                             MATERIAL SAFETY DATA SHEET              Page 01 of 05
 
   Removable Threadlocker 242(R)
   24241
 
    1.  CHEMICAL PRODUCT AND COMPANY IDENTIFICATION
 
   Product Name:              Removable Threadlocker 242(R)
   Item No.:                  24241
   Product Type:              Anaerobic
 
    2.  COMPOSITION, INFORMATION ON INGREDIENTS
 
   Ingredients                      CAS No.               %
 
   Polyglycol dimethacrylate        25852-47-5          60-65
   Polyglycol oleate                9004-96-0           25-30
   SACCHARIN                        81-07-2              3-5
   CUMENE HYDROPEROXIDE*            80-15-9              1-3
   Propylene glycol                 57-55-6              1-3
   SILICA, AMORPHOUS, FUMED,
    CRYSTALLINE-FREE                112945-52-5          1-3
   N,N-Dialkyltoluidines            613-48-9           0.1-1
   TITANIUM DIOXIDE                 13463-67-7         0.1-0.5
 
   * This component is listed as a SARA Section 313 Toxic Chemical.
 
      Ingredients which have  exposure limits
 
   Exposure Limits (TWA)           ACGIH           OSHA            OTHER
   Ingredients                     (TLV)           (PEL)
 
   CUMENE HYDROPEROXIDE            None            None            1ppm(6mg/m3)
                                                                   Skin(WEEL)
   SILICA, AMORPHOUS, FUMED,
    CRYSTALLINE-FREE               10 mg/m3 TWA    6 mg/m3 TWA     3 mg/m3 TWA
                                                                   resp. dust
   TITANIUM DIOXIDE                10 mg/m3        15 mg/m3        None
                                                   Total dust
 
   Exposure Limits (STEL)          ACGIH           OSHA
   Ingredients                     (TLV)           (PEL)
 
    3.  HAZARDS IDENTIFICATION
 
   Toxicity:                  Mild eye irritant. Propylene glycol is a mild
                              skin irritant.
   Primary Routes of Entry:   Eye, skin contact.
   Signs and Symptoms
    of Exposure:              May cause dermatitis on prolonged contact in
                              sensitive individuals.
 
   LOCTITE CORPORATION                                                    12/03/00
                             ROCKY HILL, CONNECTICUT 06067
                             EMERGENCY PHONE: (860) 571-5100
 
                             MATERIAL SAFETY DATA SHEET              Page 02 of 05
 
   Product Name:              Removable Threadlocker 242(R)
   Item No.:                  24241
 
    3.  HAZARDS IDENTIFICATION                                         (continued)
 
   Existing Conditions
    Aggravated by Exposure:   Propylene glycol: dermatitis.
 
                           Literature Referenced                   Carcinogen
   Ingredients             Target Organ and Other Health Effects   NTP IARC OSHA
 
   Polyglycol dimethacrylate       ALG IRR                         NO  NO   NO
   Polyglycol oleate               IRR                             NO  NO   NO
   SACCHARIN                       NTO                             NO  2B   NO
   CUMENE HYDROPEROXIDE            ALG CNS COR IRR MUT             NO  NO   NO
   Propylene glycol                IRR                             NO  NO   NO
   SILICA, AMORPHOUS, FUMED,
    CRYSTALLINE-FREE               NUI                             NO  N/A  NO
   N,N-Dialkyltoluidines           NTO                             NO  NO   NO
   TITANIUM DIOXIDE                IRR RES                         NO  NO   NO
   -------------------------------------------------------------------------------
 
   Abbreviations
 
   N/A Not Applicable                      2B  Possibly carcinogenic to humans
   ALG Allergen                            CNS Central nervous system
   COR Corrosive                           IRR Irritant
   MUT Mutagen                             NTO No Target Organs
   NUI Nuisance dust                       RES Respiratory
 
    4.  FIRST AID MEASURES
 
   Ingestion:                 Do not induce vomiting.  Keep individual calm.
                              Obtain medical attention.
   Inhalation:                Does not apply.
   Skin Contact:              Wash thoroughly with soap and water.
   Eye Contact:               Flush at least 15 minutes with water.  Obtain
                              medical attention.
 
    5.  FIRE FIGHTING MEASURES
 
   Flash Point:               More than 200F        Method:  Tag Closed Cup
   Recommended
    Extinguishing Agents:     Carbon dioxide, foam, dry chemical.
   Special Firefighting
    Procedures:               Not available
   Hazardous Products formed
    by Fire or Thermal Decomp Irritating organic vapors; oxides of carbon.
   Unusual Fire or
    Explosion  Hazards:       None
 
   LOCTITE CORPORATION                                                    12/03/00
                             ROCKY HILL, CONNECTICUT 06067
                             EMERGENCY PHONE: (860) 571-5100
 
                             MATERIAL SAFETY DATA SHEET              Page 03 of 05
 
   Product Name:              Removable Threadlocker 242(R)
   Item No.:                  24241
 
    5.  FIRE FIGHTING MEASURES                                         (continued)
 
    Explosive Limits:
   (% by volume in air)Lower  Propylene glycol: 2.6%
   (% by volume in air)Upper  Propylene glycol: 12.5%
 
    6.  ACCIDENTAL RELEASE MEASURES
 
   Steps to be taken in case
     of spill or leak:        Soak up in an inert absorbant.  Store in a partly
                              filled, closed container until disposal.
 
    7.  HANDLING AND STORAGE
 
   Safe Storage:              Store below 100F
   (Contact Loctite Customer  Service 1-800-243-4874 for shelf life information)
   Handling:                  Avoid prolonged skin contact. Keep away from eyes.
 
    8.  EXPOSURE CONTROLS, PERSONAL PROTECTION
 
   Eyes:                      Safety glasses or goggles.
   Skin:                      Neoprene, rubber, or butyl rubber gloves.
   Ventilation:               Does not apply
   Respiratory                Not available
 
                              See Section 2 for Exposure Limits.
 
    9.  PHYSICAL AND CHEMICAL PROPERTIES
 
   Appearance:                Blue liquid
   Odor:                      Mild
   Boiling Point:             More than 300F
   pH:                        Does not apply
   Solubility in Water:       Slight
   Specific Gravity           1.1 at 75F
   Volatile Organic Compound
    (EPA Method 24)           13.3%;  146 grams per liter
   Vapor Pressure:            Less than 5mm at 80F
   Vapor Density:             Not available
   Evaporation Rate
    (Ether = 1)               Not available
 
   10.  STABILITY AND REACTIVITY
 
   Stability:                 Stable
   Hazardous Polymerization:  Will not occur
   Incompatibility:           Strong oxidizers, free radical initiators, inert
                              gases.
   Conditions to Avoid:       Not available
 
   LOCTITE CORPORATION                                                    12/03/00
                             ROCKY HILL, CONNECTICUT 06067
                             EMERGENCY PHONE: (860) 571-5100
 
                             MATERIAL SAFETY DATA SHEET              Page 04 of 05
 
   Product Name:              Removable Threadlocker 242(R)
   Item No.:                  24241
 
   10.  STABILITY AND REACTIVITY                                       (continued)
 
   Hazardous Decomposition
    Products (non-thermal):   None
 
   11.  TOXICOLOGICAL INFORMATION
 
                              Oral LD50 more than 10000 mg/kg.
                              Dermal LD50 more than 5000 mg/kg.
 
   12.  ECOLOGICAL INFORMATION
 
                              No data available
 
   13.  DISPOSAL CONSIDERATIONS
 
   Recommended methods of
    disposal:                 Incinerate following EPA and local regulations.
   EPA Hazardous Waste
    Number                    NH - Not a RCRA Hazardous Waste Material
 
   14.  TRANSPORTATION INFORMATION
 
   DOT (49 CFR 172)
    Domestic Ground Transport
      Proper Shipping Name:   Unrestricted
      Hazard Class or
        Division:             Unrestricted
      Identification Number:  None
      Marine Pollutant:       None
   IATA
      Proper Shipping Name:   Unrestricted
      Class or Division:      Unrestricted
      UN or ID Number:        None
 
   15.  REGULATORY INFORMATION
 
   CA Proposition 65:         This product contains Saccharin.  No prop65 hazard
                              warning is necessary if this product is used as
                              reasonably anticipated.
 
   16.  OTHER INFORMATION
 
   Estimated NFPA(R) Code:
      Health Hazard:          1
      Fire Hazard:            1
      Reactivity Hazard:      1
      Specific Hazard:        Does not apply
 
   Estimated HMIS(R) Code:
 
   LOCTITE CORPORATION                                                    12/03/00
                             ROCKY HILL, CONNECTICUT 06067
                             EMERGENCY PHONE: (860) 571-5100
 
                             MATERIAL SAFETY DATA SHEET              Page 05 of 05
 
   Product Name:              Removable Threadlocker 242(R)
   Item No.:                  24241
 
   16.  OTHER INFORMATION                                              (continued)
 
      Health Hazard:          1*
      Flammability Hazard:    1
      Reactivity Hazards:     1
      Personal Protection:    See Section 8.
 
        NFPA is a registered  trademark of the National Fire Protection Assn.
        HMIS is a registered  trademark of the National Paint and Coatings Assn.
 
   Prepared By:               Stephen Repetto
   Title:                     Research Chemist - Health & Regulatory Affairs
   Company:                   Loctite Corporation
                              1001 Trout Brook Crossing, Rocky Hill CT 06067
   (24hr.) Phone:             (860) 571-5100
   Revision Date:             January 27, 1999              Revision: 0033
 

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