Material Safety Data Sheet
Revision Date: 12/10/2004 Issue date: 12/13/2004
1. CHEMICAL PRODUCT AND COMPANY IDENTIFICATION
Product name: Loctite(R) 242(R) Threadlocker Medium Strength Item No. : 24243
Product type: Anaerobic Sealant Region: United States
Company address: Contact Information:
Henkel Corporation Telephone: 860.571.5100
1001 Trout Brook Crossing Emergency telephone: 860.571.5100
Rocky Hill, Connecticut 06067 Internet: www.loctite.com
2. COMPOSITION/INFORMATION ON INGREDIENTS
Hazardous components % ACGIH TLV OSHA PEL OTHER
Polyglycol dimethacrylate 60-100 None None None
25852-47-5
Polyglycol oleate 10-30 None None None
9004-96-0
Saccharin 1-5 None None None
81-07-2
6 mg/m3 TWA 10 mg/m3 TWA 3 mg/m3 TWA respirable dust
Silica, amorphous, fumed, 1-5
crystalline-free
112945-52-5
1 ppm (6 mg/m3) Skin (WEEL)
Cumene hydroperoxide 1-5 None None
80-15-9
Propylene glycol 1-5 None None None
57-55-6
3. HAZARDS IDENTIFICATION
EMERGENCY OVERVIEW
HMIS:
Physical state: Liquid HEALTH: 2*
Color: Blue FLAMMABILITY: 1
Odor: Mild PHYSICAL HAZARD: 1
Personal Protection: See Section 8
WARNING: CAUSES EYE IRRITATION.
MAY CAUSE SKIN IRRITATION.
MAY CAUSE ALLERGIC SKIN REACTION.
MAY CAUSE RESPIRATORY TRACT IRRITATION.
Relevant routes of exposure: Skin, Inhalation, Eyes
Potential Health Effects
Inhalation: May cause respiratory tract irritation.
Skin contact: May cause allergic skin reaction. May cause skin irritation.
Eye contact: Contact with eyes will cause irritation.
Ingestion: Not expected to be harmful by ingestion.
Item No. : 24243 Product name: Loctite(R) 242(R) Threadlocker Medium Strength
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Existing conditions aggravated by Eye, skin, and respiratory disorders.
exposure:
See Section 11 for additional toxicological information.
4. FIRST AID MEASURES
Inhalation: Remove to fresh air. If symptoms develop and persist, get medical attention.
Skin contact: Wash with soap and water. Remove contaminated clothing and shoes. Wash clothing before reuse.
Get medical attention if symptoms occur.
Eye contact: Flush with copious amounts of water, preferably, lukewarm water for at least 15 minutes, holding
eyelids open all the time. Get medical attention.
Ingestion: Do not induce vomiting. Keep individual calm. Obtain medical attention.
5. FIRE-FIGHTING MEASURES
Flash point: Greater than 93篊 (200篎) Tagliabue closed cup
Autoignition temperature: Not available
Flammable/Explosive limits-lower %: 2.6 % (propylene glycol)
Flammable/Explosive limits-upper %: 12.5 % (propylene glycol)
Extinguishing media: Foam, dry chemical or carbon dioxide.
Special fire fighting procedures: None
Unusual fire or explosion hazards: None
Hazardous combustion products: Oxides of carbon. Oxides of sulfur. Oxides of nitrogen. Irritating organic vapors.
6. ACCIDENTAL RELEASE MEASURES
Environmental precautions: Prevent product from entering drains or open waters.
Clean-up methods: Soak up with inert absorbent. Store in a partly filled, closed container until disposal.
7. HANDLING AND STORAGE
Handling: Avoid contact with eyes, skin and clothing. Avoid breathing vapor and mist. Wash thoroughly after
handling.
Storage: For safe storage, store at or below 38癈 (100癋). Keep in a cool, well ventilated area away from heat,
sparks and open flame. Keep container tightly closed until ready for use.
Incompatible products: Refer to Section 10.
For information on product shelf life contact Henkel Customer Service at (800) 243-4874.
8. EXPOSURE CONTROLS / PERSONAL PROTECTION
Engineering controls: No specific ventilation requirements noted, but forced ventilation may still be required if concentrations
exceed occupational exposure limts.
Respiratory protection: Use NIOSH approved respirator if there is potential to exceed exposure limit(s).
Item No. : 24243 Product name: Loctite(R) 242(R) Threadlocker Medium Strength
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Skin protection: Use impermeable gloves and protective clothing as necessary to prevent skin contact. Neoprene
gloves. Butyl rubber gloves. Natural rubber gloves.
Eye/face protection: Safety goggles or safety glasses with side shields.
See Section 2 for exposure limits.
9. PHYSICAL AND CHEMICAL PROPERTIES
Physical state: Liquid
Color: Blue
Odor: Mild
Vapor pressure: Less than 5 mm Hg at 27篊 (80篎)
pH: Not applicable
Boiling point/range: Greater than 149篊 (300篎)
Melting point/range: Not available
Specific gravity: 1.1 at 23.9篊 (75篎)
Vapor density: Not available
Evaporation rate: Not available
Solubility in water: Slight
Partition coefficient (n-octanol/water): Not available
VOC content: 4.48%; 49.3 grams/liter (EPA Method 24)
10. STABILITY AND REACTIVITY
Stability: Stable.
Hazardous polymerization: Will not occur.
Hazardous decomposition products: Oxides of carbon. Oxides of sulfur. Oxides of nitrogen. Irritating organic vapors.
Incompatability: Strong oxidizers. Free radical initiators. Strong reducing agents. Alkalis. Oxygen scavengers. Other
polymerization initiators. Copper. Iron. Zinc. Aluminum. Rust.
Conditions to avoid: See "Handling and Storage" (Section 7) and "Incompatabilty" (Section 10).
11. TOXICOLOGICAL INFORMATION
Product toxicity data: Acute oral LD50 greater than 10, 000 mg/kg (rat). Acute dermal LD50 greater than 5000 mg/kg (rabbit).
Carcinogen Status
Hazardous components NTP Carcinogen IARC Carcinogen OSHA Carcinogen
Polyglycol dimethacrylate No No No
25852-47-5
Polyglycol oleate No No No
9004-96-0
Saccharin No No No
81-07-2
Silica, amorphous, fumed, No No No
crystalline-free
112945-52-5
Cumene hydroperoxide No No No
80-15-9
Propylene glycol No No No
57-55-6
Literature Referenced Target Organ & Other Health Effects
Item No. : 24243 Product name: Loctite(R) 242(R) Threadlocker Medium Strength
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Hazardous components Health Effects/Target Organs
Polyglycol dimethacrylate Allergen, Irritant
25852-47-5
Polyglycol oleate Irritant
9004-96-0
Saccharin No Target Organs
81-07-2
Silica, amorphous, fumed, Nuisance dust
crystalline-free
112945-52-5
Cumene hydroperoxide Allergen, Central nervous system, Corrosive, Irritant, Mutagen
80-15-9
Propylene glycol Irritant
57-55-6
12. ECOLOGICAL INFORMATION
Ecological information: Not available
13. DISPOSAL CONSIDERATIONS
Information provided is for unused product only.
Recommended method of disposal: Dispose of according to Federal, State and local governmental regulations.
EPA hazardous waste number: Not a RCRA hazardous waste.
14. TRANSPORT INFORMATION
U.S. Department of Transportation Ground (49 CFR):
Proper shipping name: Unrestricted
Hazard class or division: None
Identification number: None
Packing group: None
International Air Transportation (ICAO/IATA):
Proper shipping name: Unrestricted
Hazard class or division: None
Identification number: None
Packing group: None
WaterTransportation (IMO/IMDG):
Proper shipping name: Unrestricted
Hazard class or division: None
Identification number: None
Packing group: None
Marine pollutant: None
Item No. : 24243 Product name: Loctite(R) 242(R) Threadlocker Medium Strength
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15. REGULATORY INFORMATION
United States Regulatory Information
TSCA 8 (b) Inventory Status: All components are listed or are exempt from listing on the Toxic Substances Control Act Inventory.
TSCA 12 (b) Export Notification: None.
CERCLA/SARA Section 302 EHS: None above reporting de minimus.
CERCLA/SARA Section 311/312: Immediate Health Hazard, Delayed Health Hazard
CERCLA/SARA 313: This product contains the following toxic chemicals subject to the reporting requirements of section 313
of the Emergency Planning and Community Right-To-Know Act of 1986 (40 CFR 372). Cumene
hydroperoxide (CAS# 80-15-9) .
California Proposition 65: This product contains a chemical known to the State of California to cause cancer and birth defects or
other reproductive harm.
Canada Regulatory Information
CEPA DSL/NDSL Status: All components are listed on or are exempt from listing on the Domestic Substances List.
WHMIS hazard class: D.2.B
16. OTHER INFORMATION
This material safety data sheet contains changes from the previous version in sections: Expanded chemical information in Section 2 and
related sections.
Prepared by: Kyra Kozak Woods, Health and Regulatory Affairs Specialist
DISCLAIMER: The data contained herein are furnished for information only and are believed to be reliable. However, Henkel Corporation
does not assume responsibility for any results obtained by persons over whose methods Henkel Corporation has no control. It is the
user's responsibility to determine the suitability of Henkel's products or any production methods mentioned herein for a particular
purpose, and to adopt such precautions as may be advisable for the protection of property and persons against any hazards that may be
involved in the handling and use of any of Henkel Corporation's products. In light of the foregoing, Henkel Corporation specifically
disclaims all warranties, express or implied, including warranties of merchantability and fitness for a particular purpose, arising from sale
or use of Henkel Corporation's products. Henkel Corporation further disclaims any liability for consequential or incidental damages of
any kind, including lost profits.
Item No. : 24243 Product name: Loctite(R) 242(R) Threadlocker Medium Strength
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