MSDS Material Safety Data Sheet


File Name: prentiss_com---655__75.asp
Product: 655-75          Prentox(R) 20% Pyrethrum Extract

Material Safety Data Sheet
U.S. Department of Labor (OSHA 29 CFR 1910.1200)

Manufacturer's Name: Prentiss Incorporated
C. B. 2000
Floral Park, NY 11001
Telephone Number: (516) 326-1919

Section 1: Chemical Identification
Product: 655-75 Prentox(R) 20% Pyrethrum Extract
EPA Signal Word: CAUTION

Active Ingredient (%): Pyrethrins (20%) (CAS # 8003-34-7)
Chemical Class: Botanical Extract Insecticide

Section 2: Composition/Information on Ingredients
Material: PEL TLV Other Carcinogen
Pyrethrins Not Est. (TWA) 5 mg/m3 Not Est. No
Petroleum solvent (CAS # 64742-47-8) (TWA) 300 ppm*
*Supplier recommendation

Section 3: Hazards Identification
Symptoms of Acute Exposure
Ingestion: May cause gastrointestinal effects, such as nausea, cramps, vomiting and diarrhea. Ingestion
of large quantities can result in nervous system effects, such as dizziness, loss of coordination, tremors,
and loss of consciousness. Symptoms usually regress with no long lasting effects. At high oral doses,
the type of solvent in this product has caused irreversible damage to the liver and kidney (male only) in
rats. These effects are not relevant to humans at occupational levels of exposure.
Eyes: May cause temporary eye irritation.
Skin: May be irritating to skin. Repeated contact may cause dermatitis.
Inhalation: May cause nasal and respiratory irritation at high concentrations.
Medical Conditions Generally Aggravated by Exposure: None known.

Section 4: First Aid Measures
Ingestion: Do not induce vomiting. This product contains a petroleum solvent. Vomiting may cause
aspiration pneumonia. Call a physician or Poison Control Center immediately.
Inhalation: Remove victim to fresh air. Administer artificial respiration if necessary.
Eye Contact: Flush eyes with plenty of water for 15 minutes. Call a physician if irritation persists.
Skin Contact: Remove contaminated clothing and wash affected areas with soap and water. Contact a
physician if irritation persists.

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Product: 655-75 Prentox(R) 20% Pyrethrum Extract

Section 5: Fire Fighting Measures
Fire and Explosion
148o F. (Closed cup)
Flash Point (Method Used):
Flammable Limits: LEL: 0.6 UEL: 7.0 (solvent)

In case of fire: Use CO2, foam, dry chemical, or sand extinguishing media. Do not inhale smoke or
vapors. Use self-contained breathing apparatus and wear full protective clothing. Evacuate non-
essential personnel from the area to prevent human exposure to fire, smoke, fumes or products of
combustion. Prevent use of contaminated buildings, area and equipment until decontaminated. This
product is toxic to fish, birds and other wildlife, prevent spread of contaminated runoff.
Unusual Fire and Explosion Hazards: Combustible liquid. Keep containers cool to avoid explosive

Section 6: Accidental Release Measures
Wear chemical safety glasses with side shields or chemical goggles, chemical resistant gloves, such as
barrier laminate, nitrile rubber, neoprene rubber or viton庐, shoes and socks, long-sleeved shirt and long
pants to prevent contact with the product or its vapors. Cover the spilled area with generous amounts of
absorbent material, such as clay, diatomaceous earth, sand or sawdust. Sweep the contaminated
absorbent onto a shovel and put the sweepings into a salvage drum. Wash the spill area with water
containing a strong detergent, absorb the rinsate, sweep up and put into salvage drum. Dispose of
wastes as below.
Waste disposal method: Wastes resulting from the use of this product may be disposed of on site or at
an approved waste disposal facility. This product is toxic to fish, birds and other wildlife. Do not
contaminate the environment through improper disposal.

Section 7: Handling and Storage
Do not use or store near heat or open flame. Exposure to temperatures above 130o F. may cause
bursting of containers. Store in a well ventilated, secure area, out of reach of children, domestic
animals. Do not contaminate water, food or feed by storage or disposal. Periodically inspect stored
materials. Prevent eating, drinking, tobacco usage and cosmetic application in areas where there is a
potential for exposure to the material. Always wash thoroughly after handling.

Section 8: Exposure Controls/Personal Protection
Ingestion: Prevent eating, drinking, tobacco usage and cosmetic application in areas where there is a
potential for exposure to the material. Always wash thoroughly after handling.
Eye contact: To avoid eye contact, wear safety glasses with side shields or chemical goggles.
Skin Contact: To avoid skin contact, wear chemical resistant gloves, such as barrier laminate, nitrile
rubber, neoprene rubber or viton庐, shoes and socks, long-sleeved shirt and long pants.
Inhalation: To avoid breathing vapors or mist, wear a NIOSH approved chemical cartridge respirator
with organic vapor cartridges and a pesticide pre-filter, or a supplied air respirator.

Page - 2
Product: 655-75 Prentox(R) 20% Pyrethrum Extract

Section 9: Physical and Chemical Properties
Appearance: Yellow to amber liquid.
Odor: Pleasant woody odor.
Melting Point: Not applicable.
Boiling Point: Not determined.
Specific Gravity (H2O = 1): 0.8492
pH: Not applicable.
Solubility in Water: Virtually insoluble.
Vapor Pressure: Not determined.

Section 10: Stability and Reactivity
Stability Stable.
Hazardous Polymerization: Will not occur.
Conditions to avoid: Flame, heat, ignition sources, strong acids
and alkalies.
Hazardous Decomposition Products: None known.

Section 11: Toxicological Information
Acute toxicity/irritation studies:
Ingestion: Slightly toxic
Oral LD50 (Rat) 2,370 mg/kg (58% pyrethrins)
Dermal: Slightly toxic
Dermal LD50 (Rabbit) >2,000 mg/kg (58% pyrethrins)
Inhalation: Slightly toxic
Inhalation LC50 3.4 mg/L (58% pyrethrins)
Eye Contact: Minimally irritating (Rabbit)
Skin Contact: Minimally irritating (Rabbit)
Skin Sensitization: Not a sensitizer (Guinea Pig)
Mutagenic Potential: Pyrethrins 鈥? none observed.
Reproductive Hazard Potential: Pyrethrins 鈥? none observed.
Chronic/Subchronic Toxicity: Pyrethrins 鈥? none observed.
Carcinogenicity/Oncogenicity 鈥? Pyrethrum has been tested in chronic feeding studies in mice and rats.
Slightly elevated incidences of benign tumors of the thyroid and liver were seen in rats following high
doses of Pyrethrum. Further detailed scientific studies into the mechanism causing these responses
indicate that these effects in animals only occur at doses greatly exceeding the likely human exposure
levels. Thus, the effects seen in animals are of little relevance to humans.

Other toxicity information: Not available.

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Product: 655-75 Prentox(R) 20% Pyrethrum Extract

Toxicity of other components:
Petroleum solvent: The supplier reports that overexposure to this solvent may cause kidney
damage. Exposure to the liquid may cause eye irritation and mild skin irritation. Breathing can
cause nasal and respiratory irritation, central nervous system effects including dizziness,
weakness, fatigue, nausea, headache, possible unconsciousness and even death. Swallowing can
cause gastrointestinal irritation, nausea, vomiting and diarrhea. Aspiration into the lungs can
cause aspiration pneumonia, which can be fatal.
Target Organs:
Active Ingredients:
Pyrethrins Central nervous system.
Inert Ingredients:
Petroleum Solvent Respiratory tract, central nervous system and skin.

Section 12: Ecological information
Summary of Effects: Pyrethrins are highly toxic to fish and aquatic organisms.
Eco-Acute Toxicity:
Pyrethrins Rainbow trout 96-hour LC50 5.2 碌g/L
Bluegill sunfish 96-hour LC50 10 碌g/L
Honeybee Acute 0.022 碌g/bee
Daphnia magna 48-hour LC50 12 碌g/L
Bobwhite Quail Oral LD50 >2,000 mg/kg
Bobwhite 5 day dietary LC50 >5,620 ppm
Mallard 5 day dietary LC50 >5,620 ppm
Eco-Chronic Toxicity:
Pyrethrins Fish (Fathead Minnow) Early life stage MATC >1.9 碌g total pyrethrins/L
Invertebrate (Daphnia Magna) Life cycle MATC 1.3 碌g total pyrethrins/L
Environmental Fate:
Pyrethrins Not available.

Section 13: Disposal Considerations
Disposal: do not reuse product containers. Dispose of product containers, waste containers, and
residues according to Federal, State and local health and environmental regulations.
Characteristic Waste: Ignitable.
Listed Waste: None.

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Product: 655-75 Prentox(R) 20% Pyrethrum Extract

Section 14: Transport Information
International Transportation: Not available.

Section 15: Regulatory Information
SARA Title III Classification:
Section 311/312: Acute health hazard
Fire hazard
Section 313 Chemicals: None.
Proposition 65: Not applicable.
CERCLA Reportable Quantity (RQ): 5 lb.
RCRA Classification: Ignitable
TSCA Status: Exempt from TSCA.

Section 16: Other Information
NFPA Hazard Ratings:
Health: 1 0 Least
Flammability: 2 1 Slight
Reactivity: 0 2 Moderate
3 High
4 Severe

Date Prepared: May 23, 2003
Supersedes: February 3, 2003
Reason: Revision of Section 11
The information and recommendations contained herein are based upon data believed to be
correct. However, no guarantee or warranty of any kind, expressed or implied, is made with
respect to the information contained herein.
Prentox庐 is a registered trademark of Prentiss Incorporated
Viton庐 is a registered trademark of Du Pont Dow Elastomers

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