MATERIAL SAFETY DATA SHEET
MONTEREY MKP Page 1 of 4 Issue Date: 11/07
SECTION 1. PRODUCT AND COMPANY IDENTIFICATION
Chemical Product
MONTEREY MKP
Chemical Description: Monopotassium phosphate.
TSCA/CAS No.: 7778-77-0.
Manufactured For
Monterey AgResources
P. O. Box 35000
Fresno, CA 93745-5000
Emergency Phone Numbers
Emergency Telephone: DAYS: (559) 499-2100 EVES.: (559) 994-9144
CHEMTREC (24-Hour Emergency Number): (800) 424-9300
EPA National Response Center: (800) 424-8802
SECTION 2. HAZARDOUS INGREDIENTS
CHEMICAL CAS NO. % TLV OR PEL RQ (lbs)
None.
SECTION 3. EMERGENCY/HAZARDS OVERVIEW
Odorless, white crystals or powder. No immediate health hazard except nuisance dust. Oxides of both
carbon and phosphorus will form upon heating to decomposing temperature. Stay upwind of smoke.
Contain any liquid runoff. Not D.O.T. regulated.
HEALTH: 1 REACTIVITY: 0 FLAMMABILITY: 0 ENVIRONMENT: 1
(0=Insignificant 1=Slight 2=Moderate 3=High 4=Extreme)
SECTION 4. FIRST AID
Eyes: Flush immediately with water for 2 to 3 minutes. Remove contact lenses if present and
continue flushing for 15 minutes. Call a physician if eye irritation persists.
Skin: Wash thoroughly with soap and water. Remove contaminated clothing and wash before
reuse. See a physician if skin becomes irritated.
Ingestion: If conscious and alert, drink water or milk to dilute. Call a physician or Poison Control
immediately and induce vomiting if instructed.
Inhalation: Move to fresh air. Blow nose to remove dust. If breathing becomes difficult, give oxygen
and call a physician.
MONTEREY MKP Page 2 of 4 Issue Date: 11/07
SECTION 5. FIRE AND EXPLOSION HAZARDS
Flash Point: Not pertinent.
Test Method: Not pertinent.
LEL Flammable Limits: Not pertinent.
UEL Flammable Limits: Not pertinent.
Autoignition Temperature: Not pertinent.
Flammability Classification: Noncombustible.
Known Hazardous Products of Combustion: Oxides of both carbon and phosphorus.
Properties that Initiate/Contribute to Intensity of Fire: None.
Potential For Dust Explosion: None known.
Reactions that Release Flammable Gases or Vapors: None known.
Potential For Release of Flammable Vapors: None.
Unusual Fire & Explosion Hazards: None.
Extinguishing Media: Chemical type foam, CO2, dry chemical or water fog.
Special Firefighting Procedures: Stay upwind of smoke. Wear positive pressure, self-
contained breathing apparatus and goggles. Cool
exposed containers with water spray to prevent
overheating. Contain any liquid runoff.
SECTION 6. SPILLS AND LEAKS
Containment: Prevent product spillage from entering drinking water supplies or streams.
Clean Up: Sweep up and use according to labeling or package for disposal. Flush area with water and
ensure that contaminated water is handled according to applicable laws.
Evacuation: Not necessary.
SECTION 7. STORAGE AND HANDLING
Storage: Store in a cool, dry place. Do not store near food or feeds. Do not stack pallets
more than two (2) high.
Transfer Equipment: Transfer solutions of product using chemical-resistant plastic or stainless steel
tanks, pumps, valves, etc.
Work/Hygienic Practices: Keep out of reach of children. Harmful if swallowed or inhaled. Avoid
breathing vapors or spray mist. Avoid contact with eyes, skin and clothing.
Wash thoroughly with soap and water after handling. Remove contaminated
clothing and wash before reuse.
SECTION 8. PERSONAL PROTECTIVE EQUIPMENT
Eyes: Chemical dust/splash goggles to keep dust out of eyes. For solutions of product, use
chemical/dust splash goggles or full-face shield. As a general rule, do not wear contact
lenses when handling.
Skin: Impervious gloves and clothes.
Respiratory: Not normally needed but recommend NIOSH-approved respirator (such as 3M #8500) for
nontoxic nuisance dust. If use in solutions generates an aerosol mist or respiratory
irritation, use NIOSH-approved dust/mist respirator (such as 3M #8710).
Ventilation: Recommended but no specific TLV established.
MONTEREY MKP Page 3 of 4 Issue Date: 11/07
SECTION 9. PHYSICAL AND CHEMICAL DATA
Appearance: White crystals or powder.
Odor: None.
pH: Not available.
Vapor Pressure: Not pertinent.
Vapor Density (Air=1): Not pertinent.
Boiling Point: Not pertinent.
Freezing Point: Not pertinent.
Water Solubility: ~0.271 at 20掳C (68掳F).
Density: 1.893 g/cc at 20掳C (68掳F).
Evaporation Rate (butyl acetate = 1): Not pertinent.
Viscosity: Not pertinent.
% Volatile: Not pertinent.
Octanol/Water Partition Coefficient: Not available.
Saturated Vapor Concentration: Not pertinent.
SECTION 10. STABILITY AND REACTIVITY
Stability: Stable.
Conditions To Avoid: Heat.
Incompatibility: None known.
Hazardous Decomposition Products: During extremely high temperature fire conditions, the product
may reach melting point and decompose to release oxides and
acids of phosphorus.
Hazardous Polymerization: Will not occur.
SECTION 11. POTENTIAL HEALTH EFFECTS
Acute Effects:
Eyes: Not expected to cause significant irritation to the eyes. Overexposure may lead to
redness and possible itching and/or tearing of eyes.
Skin: Not expected to cause significant irritation to the skin. Overexposure may lead to
redness and/or itching of skin.
Ingestion: Not expected to cause significant irritation of the digestive tract. Overexposure may
lead to nausea and/or vomiting.
Inhalation: Not expected to cause significant irritation of the lungs, upper respiratory tract or
nose. Overexposure may lead to coughing, burning, tightness of chest and/or
shortness of breath.
Subchronic Effects: None known.
Chronic Effects: None known.
SECTION 12. ECOLOGICAL INFORMATION
Algal/Lemna Growth Inhibition: Not known.
Toxicity to Fish and Invertebrates: Not known.
Toxicity to Plants: Not known.
Toxicity in Birds: Not known.
MONTEREY MKP Page 4 of 4 Issue Date: 11/07
SECTION 13. DISPOSAL
Do not contaminate lakes, streams, ponds, estuaries, oceans or other waters by discharge of waste effluents
or equipment washwaters. Dispose of waste effluents according to state and local regulations. Also,
chemical additions or other alterations of this product may invalidate any disposal information in this
MSDS. Therefore, consult local waste regulators for proper disposal. Do not discharge.
SECTION 14. TRANSPORTATION
D.O.T.: Not D.O.T. Regulated.
Other Shipping Description: Fertilizing Compounds (Manufactured), Dry.
NMFC Item 68140 Sub 4, LTL Class 60
SECTION 15. REGULATORY INFORMATION
CERCLA: None.
SARA TITLE III, Section 313 Toxic Chemicals: None.
PROPOSITION 65 (CA): WARNING: This product contains chemicals known to the State of California to
cause cancer and birth defects or other reproductive harm.
SECTION 16. OTHER
While the information contained herein is based on data considered accurate and was compiled to comply
with the Federal Hazard Communication Standard and the California Hazardous Substances Information
and Training Act, it is provided for guidance only. Monterey AgResources does not guarantee its accuracy
or completeness. Health and safety precautions in this data sheet may not be adequate for all individuals
and/or situations. It is the user鈥檚 obligation to evaluate and use this product safely and to comply with all
applicable laws and regulations; in so doing, user assumes all risk in use of the material. The information
contained herein is not to be taken as a warranty or representation for which Monterey AgResources
assumes legal responsibility.
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