Merlex Stucco
MATERIAL SAFETY DATA SHEET
1. PRODUCT AND COMPANY IDENTIFICATION
PRODUCT NAME: MerleSeal Clear Water Repellant
MANUFACTURER: Merlex Stucco, Inc.
ADDRESS: 2911 Orange-Olive Rd.
Orange, CA 92665
Phone: 1-714-637-1700 Fax: 1-714-637-4865
Website: www.merlex.com
MSDS Date of Preparation: 11/29/04
2. COMPOSITION/INFORMATION ON INGREDIENTS
Component CAS No. Conc in %
Silane Siloxane Resin Proprietary 1-5
Water 7732-18-5 >90
(See Section 8 for Exposure Limits)
3. HAZARDS IDENTIFICATION
Clear liquid with a slight odor.
EMERGENCY OVERVIEW
Warning! May cause eye and skin irritation. Inhalation of mists may cause irritation of the nose, throat and
respiratory tract.
See Section 11 for detailed information
4. FIRST AID MEASURES
Ingestion: Wash mouth with water. Do not induce vomiting. Seek immediate medical attention.
Skin Contact: Remove contaminated clothing and wash immediately with plenty of soap and water. Get medical
attention if irritation or other symptoms develop. Launder contaminated clothing before reuse.
Eye Contact: Rinse immediately with plenty of water for 15 minutes, while lifting the eyelids. Get immediate
medical attention.
Inhalation: Remove affected person from source of exposure. If symptoms of exposure persist, get medical
attention.
5. FIRE FIGHTING MEASURES
Flash Point: Not applicable
Autoignition Temperature: Not applicable
Flammable Limits In Air (% BY VOL.) Not applicable
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Basic Firefighting Procedures: This product is not combustible. Use any extinguishing media that is
appropriate for the surrounding fire. Firefighters should always wear positive pressure self-contained breathing
apparatus and protective clothing when fighting fires involving chemicals.
Unusual Fire And Explosion Hazards: None.
Hazardous Decomposition Products: None known.
6. ACCIDENTAL RELEASE MEASURES
Spill:. Wear appropriate protective clothing to avoid eye and skin contact including impervious gloves and safety
goggles. Carefully collect using an inert absorbent. Place into an appropriate container for disposal. Report spills
and releases as required to appropriate authorities.
7. HANDLING AND STORAGE
Handling: Avoid contact with the eyes, skin and clothing. Avoid breathing vapors or mists. Use with adequate
ventilation. Wear appropriate protective clothing and equipment handling this material. Wash thoroughly after
handling. Remove contaminated clothing and launder before re-use. Do not eat, drink or smoke in the work area.
Storage: Store in cool, dry area away from incompatible materials.
Empty Containers: Empty containers may contain product residue and may be hazardous. Follow all MSDS
precautions in handling empty containers.
8. EXPOSURE CONTROLS/PERSONAL PROTECTION INFORMATION
Exposure Limits
Chemical Name Exposure Limits
Silane Siloxane Resin None Established
Engineering Controls: Use with adequate general or local exhaust ventilation to minimize exposures levels.
Eye Protection: Chemical safety glasses or goggles recommended.
Skin Protection: Avoid skin contact. Wear impervious gloves if needed to avoid contact.
Respiratory PROTECTION: If needed, a NIOSH approved respirator with dust/mist cartridges (N95/P95 or
N100/P100) may be used. Respirator selection and use should be based on contaminant type, form and
concentration. Follow OSHA 1910.134, ANSI Z88.2, CSA Standard Z94.4-02 and good Industrial Hygiene practice.
9. PHYSICAL AND CHEMICAL PROPERTIES
Boiling Point: Not Applicable
Specific Gravity: 1.3 g/mL
Melting Point: Not Determined
% Volatile: >90%
Vapor Pressure: Same as water
Evaporation Rate: Same as water
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Vapor Density (Air = 1): Same as water
Solubility In Water: Complete
pH: Approximately 7-9
Appearance/Odor: Clear liquid with a slight odor.
10. STABILITY AND REACTIVITY DATA
Stability: Stable under normal conditions of use and storage.
Incompatibility: Acids.
Conditions To Avoid: None known.
Hazardous Decomposition Products: None known.
11. TOXICOLOGICAL INFORMATION
PRODUCT HEALTH HAZARD INFORMATION
Skin: Contact may cause irritation.
Eye: May cause irritation.
Inhalation: May cause irritation of the nose, throat and upper respiratory tract.
Ingestion: May cause irritation of the mouth and gastrointestinal tract.
Chronic Heath Effects: None currently known.
Acute Toxicity Values
Silicone Resin: LD50 oral rat >2000 mg/kg.
12. ECOLOGICAL INFORMATION
Silicone Resin: EC50 Daphnia Magna >100 mg/L/48 hr. Not expected to be toxic to aquatic organisms.
13. DISPOSAL CONSIDERATIONS
Dispose in accordance with all local, state and federal regulations.
14. TRANSPORT INFORMATION
DOT Proper Shipping Name: Not Regulated
DOT Hazard Class: NA
UN Number: NA
DOT Labels Required: None
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15. REGULATORY INFORMATION
SARA TITLE III INFORMATION:
Section 311/312 (40 CFR 370)Hazard Categories: Acute Health
Section 313 (40 CFR 372): This product contains the following chemicals subject to SARA Title III Section 313
Reporting requirement: None
Section 302 (40 CFR 355): This product does not contain chemicals listed as extremely hazardous chemicals
under SUPERFUND Amendments and Reauthorization Act (SARA).
CERCLA 103 Reportable Quantity: This product is not subject to CERCLA spill reporting requirements. Many
states have more stringent release reporting requirements. Report spills required under federal, state and local
regulations.
EPA TSCA: All of the components of this product are listed on the EPA TSCA Inventory.
California Proposition 65: This product does not contain chemicals regulated under California Proposition 65.
16. OTHER INFORMATION
NFPA Hazard Rating: Health: 1 Fire: 0 Reactivity: 0
HMIS Hazard Rating: Health: 2 Fire: 0 Reactivity: 0
REVISION DATE: 11/29/04
__________________________________________________________________________________
NOTICE: The information presented herein is based on data considered to be accurate as of the date of preparation of
this Material Safety Data Sheet. However, no warranty or representation, express or implied, is made as to the accuracy
or completeness of the foregoing data and safety information. It is the responsibility of the user to determine the
applicability of this information for his use.
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