LOCTITE CORPORATION                                                    07/02/97
                          ROCKY HILL, CONNECTICUT 06067
                          EMERGENCY PHONE: (860) 571-5100

                          MATERIAL SAFETY DATA SHEET              Page 01 of 05

Removable Threadlocker 242(R)
24205

 1.  CHEMICAL PRODUCT AND COMPANY IDENTIFICATION

Product Name:              Removable Threadlocker 242(R)
Item No.:                  24205
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)

SILICA, AMORPHOUS, FUMED,
 CRYSTALLINE-FREE               10 mg/m3 TWA    6 mg/m3 TWA     3 mg/m3 TWA
                                                                resp. dust
TITANIUM DIOXIDE                10 mg/m3 dust   15 mg/m3 dust   None
                                                5 mg/m3 resp

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
Existing Conditions
 Aggravated by Exposure:   Propylene glycol: dermatitis

 
LOCTITE CORPORATION                                                    07/02/97
                          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.:                  24205

 3.  HAZARDS IDENTIFICATION                                         (continued)

                        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                       No Data                         YES 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           No Data                         NO  NO   NO
TITANIUM DIOXIDE                AC4 IRR NUI                     NO  NO   NO
-------------------------------------------------------------------------------

Abbreviations

N/A Not Applicable                      2B  Possibly carcinogenic to humans
AC4 ACGIH-Unclassifiable as human carc. ALG Allergen
CNS Central nervous system              COR Corrosive
IRR Irritant                            MUT Mutagen
NUI Nuisance dust

 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 200°F        Method:  Tag Closed Cup
Recommended
 Extinguishing Agents:     Carbon dioxide, foam, dry chemical
Hazardous Products formed
 by Fire or Thermal Decomp Irritating organic vapors; oxides of carbon.
Unusual Fire or
 Explosion  Hazards:       None

 Explosive Limits:
(% by volume in air)Lower  Propylene glycol: 2.6%
(% by volume in air)Upper  Propylene glycol: 12.5%

 
LOCTITE CORPORATION                                                    07/02/97
                          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.:                  24205

 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 100°F
(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

                           See Section 2 for Exposure Limits.

 9.  PHYSICAL AND CHEMICAL PROPERTIES

Appearance:                Blue liquid
Odor:                      Mild
Boiling Point:             More than 300°F
pH:                        Does not apply
Solubility in Water:       Slight
Specific Gravity           1.1 at 75°F
Volatile Organic Compound
 (EPA Method 24)           13.3%;  146 grams per liter
Vapor Pressure:            Less than 5mm at 80°F
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
Hazardous Decomposition
 Products (non-thermal):   None

11.  TOXICOLOGICAL INFORMATION

                           Oral LD50 more than 10000 mg/kg.
                           Dermal LD50 more than 5000 mg.kg.

 
LOCTITE CORPORATION                                                    07/02/97
                          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.:                  24205

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:
   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 and Safety

 
LOCTITE CORPORATION                                                    07/02/97
                          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.:                  24205

16.  OTHER INFORMATION                                              (continued)

Company:                   Loctite Corporation
                           1001 Trout Brook Crossing, Rocky HIll CT 06067
(24hr.) Phone:             (860) 571-5100
Revision Date:             April 15, 1997                Revision: 0031