MATERIAL SAFETY DATA SHEET
Emergency Phone: 800-992-5994
Dow AgroSciences LLC
Indianapolis, IN 46268
Effective Date: 5/25/00
DURSBAN* 50W INSECTICIDE IN WATER SOLUBLE PACKETS Product Code: 01638
MSDS: 002255
SKIN: Essentially nonirritating to skin. A single prolonged
1. PRODUCT AND COMPANY IDENTIFICATION:
exposure is not likely to result in the material being absorbed
PRODUCT: Dursban* 50W Insecticide in Water Soluble through the skin in harmful amounts. The LD50 for absorption
Packets in rabbits is >5000 mg/kg. It did not cause allergic skin
reactions when tested in guinea pigs.
COMPANY IDENTIFICATION:
Dow AgroSciences INGESTION: Single dose oral toxicity is moderate. The oral
9330 Zionsville Road LD50 for male rats is 457-494 mg/kg and for female rats is
Indianapolis, IN 46268-1189 382-457 mg/kg. Small amounts swallowed incidental to
normal handling operations are not likely to cause injury;
2. COMPOSITION/INFORMATION ON INGREDIENTS:
however, swallowing amounts larger than that may cause
serious injury, even death.
Chlorpyrifos: O,O-diethyl- CAS# 002921-88-2 50%
O-(3,5,6-trichloro-2-pyridinyl)
INHALATION: Single exposure to dust is not likely to be
phosphorothioate
hazardous. The LC50 for rats is >2.53 mg/l for 4 hours.
Other Ingredients, Total, Including: 50%
Calcium silicate CAS# 001344-95-2
SYSTEMIC (OTHER TARGET ORGAN) EFFECTS:
Kaolinite clay (crystalline silica) CAS# 001332-58-7
Excessive exposure may produce organophosphate type
The above ingredients are those contained in the wettable powder cholinesterase inhibition. Signs and symptoms of excessive
only and do not reflect the composition of the water-soluble exposure to chlorpyrifos may be headache, dizziness,
packaging, which is considered to be not hazardous according to incoordination, muscle twitching, tremors, nausea,
OSHA Hazard Communication Standard Definitions. abdominal cramps, diarrhea, sweating, pinpoint pupils,
blurred vision, salivation, tearing, tightness in chest,
This document is prepared pursuant to the OSHA Hazard excessive urination, and convulsions. Chlorpyrifos produced
Communication Standard (29 CFR 1910.1200). In addition, other mild adrenal effects when fed to rats, but only at doses that
substances not 'Hazardous' per this OSHA Standard may be listed.
greatly exceeded any exposures that would be received
Where proprietary ingredient shows, the identity may be made
during use of this product.
available as provided in this standard.
CANCER INFORMATION: Chlorpyrifos did not cause
3. HAZARDOUS IDENTIFICATIONS:
cancer in laboratory animals. This mixture contains a
EMERGENCY OVERVIEW component, which is listed as a carcinogen for hazard
Hazardous Chemical. Light gray powder with a communication purposes under OSHA Standard 29 CFR
mercaptan-type odor. May cause eye irritation and/or 1910.1200. Component listed by IARC and NTP: crystalline
corneal injury. LD50 for skin absorption in rabbits is >5000 silica. Crystalline silica has been shown to cause cancer in
mg/kg. Oral LD50 for rats is 457-494 mg/kg (males) and laboratory animals and humans.
382-457 mg/kg (females). Inhalation LC50 for rats is >2.53
mg/L for 4 hours. Cholinesterase inhibitor. Toxic to avian TERATOLOGY (BIRTH DEFECTS): Chlorpyrifos did not
and aquatic organisms. cause birth defects in laboratory animals.
EMERGENCY PHONE NUMBER: 800-992-5994
REPRODUCTIVE EFFECTS: Chlorpyrifos did not interfere
POTENTIAL HEALTH EFFECTS: This section includes with fertility in reproduction studies in laboratory animals.
possible adverse effects, which could occur if this material is Some evidence of toxicity to the offspring occurred, but only
not handled in the recommended manner. at a dose high enough to produce significant toxicity to the
parent animals.
EYE: May cause moderate eye irritation, which may be slow
to heal. May cause slight corneal injury.
*Trademark of Dow AgroSciences
1
MATERIAL SAFETY DATA SHEET
Emergency Phone: 800-992-5994
Dow AgroSciences LLC
Indianapolis, IN 46268
Effective Date: 5/25/00
DURSBAN* 50W INSECTICIDE IN WATER SOLUBLE PACKETS Product Code: 01638
MSDS: 002255
FIREFIGHTING INSTRUCTIONS: Keep people away.
4. FIRST AID:
Isolate fire area and deny unnecessary entry. Consider
EYES: Irrigate with flowing water immediately and feasibility of a controlled burn to minimize environmental
continuously for 15 minutes. Consult medical personnel. damage. Foam fire extinguishing system is preferred
because uncontrolled water can spread possible
SKIN: Wash off in flowing water or shower. contamination. Cool surroundings with water to localize fire
zone. Soak thoroughly with water to cool and prevent re-
INGESTION: If swallowed, induce vomiting immediately as ignition. Contain firewater run-off if possible. Firewater run-
directed by medical personnel. Never give anything by off, if not contained may cause environmental damage.
mouth to an unconscious person. Consult medical Review the "Accidental Release Measures" and "Ecological
personnel. Information" sections of this MSDS.
INHALATION: Remove to fresh air if effects occur. Consult PROTECTIVE EQUIPMENT FOR FIREFIGHTERS: Wear
a physician. positive-pressure self-contained breathing apparatus (SCBA)
and protective fire fighting clothing (includes fire fighting
NOTE TO PHYSICIAN: Atropine, only by injection, is the helmet, coat, pants, boots, and gloves).
preferable antidote. Oximes, such a 2-PAM/protopam, may
6. ACCIDENTAL RELEASE MEASURES
be therapeutic if used early; however, use only in
conjunction with atropine. If exposed, plasma and red blood
ACTION TO TAKE FOR SPILLS/LEAKS: For small spills,
cell cholinesterase tests may indicate significance of
sweep up and place into suitable containers for disposal.
exposure (baseline data are useful). Supportive care.
Report large spills to Dow AgroSciences at 800-992-5994.
Treatment based on judgment of the physician in response
to reactions of the patient. 7. HANDLING AND STORAGE:
5. FIRE FIGHTING MEASURES: PRECAUTIONS TO BE TAKEN IN HANDLING AND
STORAGE: Consult label for end-use directions. Keep out of
FLASH POINT: Not applicable
reach of children. No smoking, open flames or sources of
METHOD USED: Not applicable
ignition in handling and storage area. This product may form
a potentially explosive dust cloud if suspended in air. Do not
FLAMMABLE LIMITS
remove product from the water-soluble package. Store in
LFL: Not applicable
original package in a secured dry area at temperatures
UFL: Not applicable o o
below 100 F (38 C). Handle carefully to avoid breakage;
o o
packets may become brittle when stored <32 F (0 C).
HAZARDOUS COMBUSTION PRODUCTS: During a fire,
Prevent cross-contamination with other pesticides and
smoke may contain the original material in addition to
fertilizers.
unidentified toxic and/or irritating compounds. Hazardous
combustion products may include and are not limited to
sulfur oxides, phosphorus compounds, nitrogen oxides,
hydrogen chloride, carbon monoxide, and carbon dioxide.
FLAMMABILITY INFORMATION: Container may vent
and/or rupture due to fire.
EXTINGUISHING MEDIA: Water, carbon dioxide, dry
chemical.
*Trademark of Dow AgroSciences
2
MATERIAL SAFETY DATA SHEET
Emergency Phone: 800-992-5994
Dow AgroSciences LLC
Indianapolis, IN 46268
Effective Date: 5/25/00
DURSBAN* 50W INSECTICIDE IN WATER SOLUBLE PACKETS Product Code: 01638
MSDS: 002255
8. EXPOSURE CONTROLS/PERSONAL PROTECTION: 9. PHYSICAL AND CHEMICAL PROPERTIES:
These precautions are suggested for conditions where a BOILING POINT: Not applicable
potential for exposure exists. Emergency conditions may VAPOR PRESSURE: Very low
require additional precautions. VAPOR DENSITY: Not applicable
SOLUBILITY IN WATER: Wettable powder
EXPOSURE GUIDELINES: SPECIFIC GRAVITY: See bulk density
Chlorpyrifos: ACGIH TLV and OSHA PEL are 0.2 mg/M3, BULK DENSITY: 13.0 lb/cu. ft.
Skin. ACGIH classification is A4. APPEARANCE: Light gray powder
ODOR: Mercaptan-type
Crystalline Silica: ACGIH TLV is 0.1 mg/M3 (respirable) for
quartz, tripoli, and fused silica; 0.05 mg/M3 (respirable) for 10. STABILITY AND REACTIVITY:
cristobalite and tridymite. OSHA PEL is 10/%SiO2 + 2
STABILITY: Stable under recommended storage conditions.
mg/M3 (respirable) for quartz, tripoli, and fused silica; 1/2 the
Store below 100oF (38oC). Unstable at elevated
value calculated from the respirable dust formula for quartz
temperatures.
for cristobalite and tridymite.
CONDITIONS TO AVOID: Avoid temperatures above 158oF
PELs are in accord with those recommended by OSHA, as
(70oC). Chlorpyrifos decomposes at elevated temperatures.
in the 1989 revision of PELs.
HAZARDOUS DECOMPOSITION PRODUCTS: Hazardous
A 'skin' notation following the exposure guideline refers to
decomposition products depend upon temperature, air
the potential for dermal absorption of the material. It is
supply and the presence of other materials. Hazardous
intended to alert the reader that inhalation may not be the
decomposition products may include and are not limited to
only route of exposure and that measures to minimize
hydrogen chloride, organic sulfides, and sulfur oxide.
dermal exposures should be considered.
INCOMPATIBLE MATERIALS: Avoid contact with oxidizing
ENGINEERING CONTROLS: Provide general and/or local
materials and bases.
exhaust ventilation to control airborne levels below the
exposure guidelines.
HAZARDOUS POLYMERIZATION: Not known to occur.
RECOMMENDATIONS FOR MANUFACTURING,
11. TOXICOLOGICAL INFORMATION:
COMMERCIAL BLENDING, AND PACKAGING
WORKERS: MUTAGENICITY: Based on a majority of negative data and
some equivocal or marginally positive results, chlorpyrifos is
RESPIRATORY PROTECTION: Atmospheric levels should considered to have minimal mutagenic potential.
be maintained below the exposure guidelines. In dusty
12. ECOLOGICAL INFORMATION:
atmospheres, use a NIOSH approved dust respirator.
ENVIRONMENTAL FATE:
SKIN PROTECTION: Use gloves impervious to this
material. MOVEMENT & PARTITIONING:
Based largely or completely on information for chlorpyrifos.
EYE/FACE PROTECTION: Use chemical goggles. Bioconcentration potential is moderate (BCF between 100
and 3000 or Log Pow between 3 and 5).
APPLICATORS AND ALL OTHER HANDLERS: Refer to Expected to be relatively immobile in soil (Koc greater than
the product label for personal protective clothing and 5000).
equipment.
*Trademark of Dow AgroSciences
3
MATERIAL SAFETY DATA SHEET
Emergency Phone: 800-992-5994
Dow AgroSciences LLC
Indianapolis, IN 46268
Effective Date: 5/25/00
DURSBAN* 50W INSECTICIDE IN WATER SOLUBLE PACKETS Product Code: 01638
MSDS: 002255
DEGRADATION & PERSISTENCE: U.S. REGULATIONS
Based largely or completely on information for chlorpyrifos.
The photolysis for half-life in water is 3-4 weeks. SARA 313 INFORMATION: To the best of our knowledge,
In the atmospheric environment, material is estimated to this product contains no chemical subject to SARA Title III
have a tropospheric half-life is estimated to be 1.4 hours. Section 313 supplier notification requirements.
Degradation is expected in the soil environment within days
to weeks. SARA HAZARD CATEGORY: This product has been
Under aerobic soil conditions the half-life is generally 30-60 reviewed according to the EPA "Hazard Categories"
days. promulgated under Sections 311 and 312 of the Superfund
Amendment and Reauthorization Act of 1986 (SARA Title
ECOTOXICOLOGY: III) and is considered, under applicable definitions, to meet
Based largely or completely on information for chlorpyrifos. the following categories:
Material is very highly toxic to aquatic organisms on an
acute basis (LC50/EC50 <0.1 mg/L in most sensitive species). An immediate health hazard
Material is highly toxic to birds on a dietary basis (LC50 A delayed health hazard
between 50 and 500 ppm).
Material is moderately toxic to birds on an acute basis (LD50 TOXIC SUBSTANCES CONTROL ACT (TSCA): All
between 51 and 500 mg/kg). ingredients are on the TSCA inventory or are not required to
be listed on the TSCA inventory.
13. DISPOSAL CONSIDERATIONS:
STATE RIGHT-TO-KNOW: The following product
DISPOSAL METHOD: Do not contaminate food, feed, or
components are cited on certain state lists as mentioned.
water by storage or disposal. Wastes resulting from the use
Non-listed components may be shown in the composition
of this product may be disposed of on site or at an approved
section of the MSDS.
waste disposal facility. Follow all local, state, and federal
requirements for disposal.
CHEMICAL NAME CAS NUMBER LIST
14. TRANSPORT INFORMATION: KAOLIN 001332-58-7 PA1
SILICIC ACID, 001344-95-2 PA1
For DOT regulatory information, if required, consult
CALCIUM SALT
transportation regulations, product-shipping papers, or
CHLORPYRIFOS 002921-88-2 PA3 NJ3 PA1
consult your Dow AgroSciences representative.
NJ3=New Jersey Workplace Hazardous Substance (present
15. REGULATORY INFORMATION:
at greater than or equal to 1.0%).
NOTICE: The information herein is presented in good faith PA1=Pennsylvania Hazardous Substance (present at greater
and believed to be accurate as of the effective date shown than or equal to 1.0%).
above. However, no warranty, express or implied, is given. PA3=Pennsylvania Environmental Hazardous Substance
Regulatory requirements are subject to change and may (present at greater than or equal to 1.0%).
differ from one location to another; it is the buyer鈥檚
responsibility to ensure that its activities comply with federal, OSHA HAZARD COMMUNICATION STANDARD: This
state or provincial, and local laws. The following specific product is a "Hazardous Chemical" as defined by the OSHA
information is made for the purpose of complying with Hazard Communication Standard, 29 CFR 1910.1200.
numerous federal, state or provincial, and local laws and
regulations.
*Trademark of Dow AgroSciences
4
MATERIAL SAFETY DATA SHEET
Emergency Phone: 800-992-5994
Dow AgroSciences LLC
Indianapolis, IN 46268
Effective Date: 5/25/00
DURSBAN* 50W INSECTICIDE IN WATER SOLUBLE PACKETS Product Code: 01638
MSDS: 002255
NATIONAL FIRE PROTECTION ASSOCIATION (NFPA)
RATINGS:
Health 2
Flammability 2
Reactivity 1
COMPREHENSIVE ENVIRONMENTAL RESPONSE
COMPENSATION AND LIABILITY ACT (CERCLA, or
SUPERFUND): This product contains the following
substance(s) listed as "Hazardous Substances" under
CERCLA which may require reporting of releases:
Chemical Name CAS# RQ % in Product
Chlorpyrifos 002921-88-2 1 50%
16. OTHER INFORMATION:
MSDS STATUS: Revised Sections 3,5,6,7,8, & 10
Reference: DR-0226-8420
Replaces MSDS dated: 3/11/99
Document Code: D03-091-505
Replaces Document Code: D03-091-504
The Information Herein Is Given In Good Faith, But No
Warranty, Express or Implied, Is Made. Consult Dow
AgroSciences for Further Information.
*Trademark of Dow AgroSciences
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