The MSDS format adheres to the standards and regulatory requirements
of the United States and may not meet regulatory requirements
in other countries.
DuPont Page 1
Material Safety Data Sheet
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"DuPont" "THROTTLE" XP HERBICIDE
M0000682 Revised 30-JUN-2007
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CHEMICAL PRODUCT/COMPANY IDENTIFICATION
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Material Identification
"DuPont", "THROTTLE" are trademarks of DuPont.
Tradenames and Synonyms
THROTTLE 75
DPX-QY998
SULFENTRAZONE
SULFOMETURON METHYL
CHLORSULFURON
Company Identification
MANUFACTURER/DISTRIBUTOR
DuPont
1007 Market Street
Wilmington, DE 19898
PHONE NUMBERS
Product Information : 1-800-441-7515 (outside the U.S.
302-774-1000)
Transport Emergency : CHEMTREC 1-800-424-9300(outside U.S.
703-527-3887)
Medical Emergency : 1-800-441-3637 (outside the U.S.
302-774-1000)
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COMPOSITION/INFORMATION ON INGREDIENTS
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Components
Material CAS Number %
SULFENTRAZONE 122836-35-5 48
N-[2,4-dichloro-5-[4-(difluoromethyl)-4,5-
dihydro-3-methyl-5-oxo-1H- 1,2,4-triazol-1-yl]
phenyl]methanesulfonamide
SULFOMETURON METHYL 74222-97-2 18
(Methyl 2-[[[[(4,6-dimethyl-2-pyrimidinyl)-
amino]carbonyl]amino]sulfonyl]benzoate)
*CHLORSULFURON 64902-72-3 9
[2-Chloro-N[(4-methoxy-6-methyl-1,3,5,-triazin-
2yl)aminocarbonyl] benzenesulfonamide
INERT INGREDIENTS (Including percentages of the 25
following):
* TOLUENE 108-88-3 <2.4
M0000682 DuPont Page 2
Material Safety Data Sheet
(COMPOSITION/INFORMATION ON INGREDIENTS - Continued)
* Disclosure as a toxic chemical is required under Section 313 of
Title III of the Superfund Amendments and Reauthorization Act of 1986
and 40 CFR part 372.
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HAZARDS IDENTIFICATION
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Emergency Overview
CAUTION! Causes moderate eye irritation. Harmful if
inhaled, swallowed, or absorbed through skin. Avoid
breathing vapor or spray mist. Avoid contact with skin,
eyes or clothing.
Potential Health Effects
Based on data from components, eye contact with DuPont Throttle XP
Herbicide may cause eye irritation with discomfort, tearing, or
blurring of vision.
Based on data from components, skin contact with DuPont Throttle
XP Herbicide may cause defatting of the skin with itching, redness
or rash.
Based on data from components, ingestion DuPont Throttle XP may
lead to reversible decreases in red blood cell counts.
CHRONIC OVEREXPOSURE
TOLUENE
Toluene is a trace impurity in Throttle XP and exposures during
the handling and use of this product are estimated to be far below
acceptable exposure values (e.g., TLV).
Excessive, repeated and/or prolonged inhalation or ingestion
exposure to Toluene in far excess of the TLV may cause abnormal
liver or kidney function and central nervous system effects (which
may include dizziness, lightheadedness, headache). Gross
overexposures resulting from inhalant abuse of toluene may result
in more pronounced CNS effects progressing to loss of
consciousness and death.
The combined results from laboratory animal studies and
epidemiology studies of workers from the printing and other
industries where higher toluene exposures are likely, suggest that
it is not a carcinogen, does not cause heritable genetic damage
and is not a reproductive or developmental toxin.
Carcinogenicity Information
None of the components present in this material at concentrations
equal to or greater than 0.1% are listed by IARC, NTP, OSHA or ACGIH
as a carcinogen.
M0000682 DuPont Page 3
Material Safety Data Sheet
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FIRST AID MEASURES
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First Aid
IF INHALED: Move person to fresh air. If person is not
breathing, call 911 or an ambulance, then give artificial
respiration, preferably mouth-to-mouth, if possible. Call a
poison control center or doctor for further treatment
advice.
IF ON SKIN OR CLOTHING: Take off contaminated clothing.
Rinse skin immediately with plenty of water for 15-20
minutes. Call a poison control center or doctor
for treatment advice.
IF IN EYES: Hold eye open and rinse slowly and gently with
water for 15-20 minutes. Remove contact lenses, if present,
after the first 5 minutes, then continue rinsing eye. Call
a poison control center or doctor for treatment advice.
IF SWALLOWED: Call poison control center or doctor
immediately for treatment advice. Have person sip a glass
of water if able to swallow. Do not induce vomiting unless
told to do so by the poison control center or doctor. Do not
give anything by mouth to an unconscious person.
Have the product container or label with you when calling a
poison control center or doctor, or going for treatment. You
may also contact 1-800-441-3637 for emergency medical
treatment information.
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FIRE FIGHTING MEASURES
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Flammable Properties
Slightly combustible. May support combustion at elevated
temperatures. Thermal decomposition and burning may form
toxic by-products.
Like most organic powders or crystals, under severe dusting
conditions, this material may form explosive mixtures in air.
Extinguishing Media
Water Fog, Foam, Dry Chemical, CO2.
Fire Fighting Instructions
Isolate area. Evacuate personnel to a safe area. Wear
self-contained breathing apparatus. Wear full protective
equipment. Runoff from fire control may be a pollution hazard.
M0000682 DuPont Page 4
Material Safety Data Sheet
(FIRE FIGHTING MEASURES - Continued)
If area is exposed to fire and conditions permit, let fire burn
itself out. Burning chemicals may produce by-products more toxic
than the original material. If product is on fire, wear
self-contained breathing apparatus and full protective equipment.
Use water spray. Control runoff.
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ACCIDENTAL RELEASE MEASURES
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Safeguards (Personnel)
NOTE: Review FIRE FIGHTING MEASURES and HANDLING (PERSONNEL)
sections before proceeding with clean-up. Use appropriate
PERSONAL PROTECTIVE EQUIPMENT during clean-up.
Emergency Response - Chemical resistant coveralls, waterproof
gloves, waterproof boots and face/eye protection. If dusting
occurs, use NIOSH approved respirator protection.
Initial Containment
Dike spill. Prevent material from entering sewers, waterways, or
low areas.
Follow applicable Federal, State/Provincial and Local laws/
regulations.
Keep unprotected persons and animals out of the area.
Spill Clean Up
Avoid causing dust. Shovel, vacuum or scoop up to a metal
drum for disposal. If liquid, dike and allow to solidify or
soak up with sand. All flushing and clean-up residuals
should be collected for proper disposal to prevent soil and
surface, ground and sewer water contamination. Do not
allow to contaminate ground or surface water systems.
To clean and neutralize spill area, tools and equipment,
wash with a suitable solution of caustic/soda ash and an
appropriate alcohol (i.e., ethanol, methanol or
isopropanol). Follow this by washing with a strong soap and
water solution. Absorb (clay, sand or soil) any excess
liquid and add to the drums of waste already collected.
Repeat if necessary.
For minor spills, leaks, etc., follow all precautions
indicated on the product label and clean up immediately.
Take special care to avoid contamination of equipment and
facilities during cleanup procedures and disposal of wastes.
In the event of a major spill, fire or other emergency, call
1-800-441-3637 day or night.
M0000682 DuPont Page 5
Material Safety Data Sheet
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HANDLING AND STORAGE
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Handling (Personnel)
USERS SHOULD: Wash thoroughly with soap and water after
handling and before eating, drinking, chewing gum or using
tobacco. Remove and wash contaminated clothes before reuse.
Storage
Do not contaminate water, food or feed by storage or disposal.
Store product in original container only. Store in a cool, dry
place.
Keep out of reach of children and animals.
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EXPOSURE CONTROLS/PERSONAL PROTECTION
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Engineering Controls
Use only with adequate ventilation. Keep container tightly closed.
When handlers use closed systems, enclosed cabs, or aircraft
in a manner that meets the requirements listed in Worker
Protection Standard (WPS) for agricultural pesticides [40
CFR 170.240 (d) (4-6)], the handler PPE requirements may be
reduced or modified as specified in the WPS.
Personal Protective Equipment
Always follow the label instructions when handling this product.
Applicators and other handlers must wear:
- Long-sleeved shirt and long pants.
- Chemical-resistant gloves (such as Natural Rubber,
Section Category A).
- Shoes plus socks.
- Protective eyewear.
Discard clothing and other absorbent materials that have
been drenched or heavily contaminated with this product.
Do not reuse them. Follow manufacturer鈥檚 instructions for
cleaning/maintaining PPE. If no such instructions for
washables, use detergent and hot water. Keep and wash PPE
separately from other laundry.
# Exposure Guidelines
M0000682 DuPont Page 6
Material Safety Data Sheet
Applicable Exposure Limits
SULFENTRAZONE
AEL * (DuPont) : 2 mg/m3, 8 & 12 Hr. TWA, total dust
SULFOMETURON METHYL
PEL (OSHA) : None Established
TLV (ACGIH) : 5 mg/m3, 8 Hr. TWA, A4
AEL * (DuPont) : 10 mg/m3, 8 & 12 Hr. TWA
total dust
CHLORSULFURON
PEL (OSHA) : None Established
TLV (ACGIH) : None Established
AEL * (DuPont) : 10 mg/m3, 8 & 12 Hr. TWA
TOLUENE
PEL (OSHA) : 200 ppm, 8 Hr. TWA
300 ppm, Ceiling
500 ppm - 10 Min. Max.
TLV (ACGIH) : 20 ppm, 8 Hr. TWA, A4
AEL * (DuPont) : 50 ppm, 8 & 12 Hr. TWA
* AEL is DuPont鈥檚 Acceptable Exposure Limit. Where governmentally
imposed occupational exposure limits which are lower than the AEL
are in effect, such limits shall take precedence.
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PHYSICAL AND CHEMICAL PROPERTIES
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Physical Data
Form : Solid granules
Odor : Slight - sour
Color : Light brown granular blend
pH : 6.5 (1% aqueous solution)
Bulk Density : 0.683 g/mL (Tapped)
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STABILITY AND REACTIVITY
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Chemical Stability
Stable at normal temperatures and storage conditions.
Incompatibility with Other Materials
None reasonably foreseeable.
Decomposition
Decomposition will not occur.
Polymerization
Polymerization will not occur.
M0000682 DuPont Page 7
Material Safety Data Sheet
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TOXICOLOGICAL INFORMATION
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Animal Data
DuPont Throttle XP
Based on animal data from components, Throttle XP is a moderate
eye irritant, a slight skin irritant, but is not a skin sensitizer.
SULFENTRAZONE XP
Oral LD50: 2416 mg/kg in rats
Dermal LD50: > 5000 mg/kg in rabbits
Inhalation LC50: > 0.9 mg/L (ground state)
SULFENTRAZONE TECHNICAL
Inhalation 4 hour LC50: > 4.13 mg/L in rats
SULFOMETURON METHYL 75
Inhalation 4 hour LC50: > 5.3 mg/L in rats
Skin absorption LD50: > 5000 mg/kg in rabbits
Oral LD50: > 5000 mg/kg in rats
Chlorsulfuron 75DF
Oral LD50: > 5000 mg/kg in rats
Skin Absorption LD50: > 2000 mg/kg in rabbits
Chlorsufuron
Inhalation 4 hour LC50: > 5.5 mg/L in rats
SULFENTRAZONE
Repeated dosing with Sulfentrazone by ingestion produced altered
hematology, tremors, increased spleen and liver weights, and
microscopic liver changes.
Chronic ingestion of Sulfentrazone did not cause carcinogenicity.
Exposure of pregnant rats to Sulfentrazone produced developmental
effects including reduced fetal body weights, delayed skeletal
ossification, bone abnormalities, and increased resorptions in the
absence of maternal toxicity. Fetal effects occurred in the
absence of maternal toxicity.
Developmental effects were observed in rabbits administered
Sulfentrazone only at maternally toxic doses.
Reproductive tests show decreased litter size, decrease in growth
and survival of offspring, and decrease in male reproductive
organs in the presence of parental toxicity.
Sulfentrazone was nonmutagenic and nongenotoxic based on results
of a battery of tests in bacterial and mammalian cell cultures and
in animals.
SULFOMETURON METHYL
M0000682 DuPont Page 8
Material Safety Data Sheet
(TOXICOLOGICAL INFORMATION - Continued)
Repeated oral studies with the active ingredient, Sulfometuron
Methyl, caused decreased body weight gain, liver changes, red
blood cell hemolysis, and altered white blood cell counts.
Long-term exposure caused mild hemolytic effects, decreased body
weight, alteration of clinical chemical parameters, and changes in
the bile duct.
Animal testing indicates that the active ingredient, Sulfometuron
Methyl, does not have carcinogenic effects. In developmental
toxicity studies, no effects were observed on the offspring. In a
two generation rat reproduction study with the active ingredient,
Sulfometuron Methyl, decreased numbers of pups were observed at a
maternally toxic dose. There were no effects observed in the
absence of maternal toxicity.
Chlorsulfuron
The effects in animals from repeated exposures by inhalation to
Chlorsulfuron include decreased weight gain, reversible kidney and
spleen effects, and bone marrow changes.
Repeated oral dosing caused decreased weight gain, and
hematological and clinical chemical changes. Long-term dosing
resulted in decreased body weight gain and slight hematological
changes.
Animal testing indicates that Chlorsulfuron, the active
ingredient, did not show carcinogenic or reproductive effects.
Developmental toxicity has been observed but only at maternally
toxic dose levels.
Chlorsulfuron did not produce genetic damage in bacterial or
mammalian cell cultures. It did not produce heritable genetic
damage.
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ECOLOGICAL INFORMATION
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Ecotoxicological Information
AQUATIC TOXICITY:
CHLORSULFURON
96 hour LC50 - Sheepshead minnow: > 980 mg/L.
96 hour LC50 - Bluegill sunfish: > 128 ppm.
96 hour LC50 - Rainbow trout: > 122 ppm.
48 hour EC50 - Daphnia magna: > 112 ppm.
AVIAN TOXICITY:
CHLORSULFURON
Acute Oral LD50 - Mallard Duck: > 5000 mg/kg.
Acute Oral LD50 - Bobwhite Quail: > 5000 mg/kg > 112 ppm.
AQUATIC TOXICITY:
SULFOMETURON METHYL
48 hour NOEC - Daphnia magna: > 150 mg/L.
96 hour LC50 - Rainbow trout: > 148 mg/L.
96 hour LC50 - Bluegill sunfish: > 150 mg/L.
M0000682 DuPont Page 9
Material Safety Data Sheet
(ECOLOGICAL INFORMATION - Continued)
AVIAN TOXICITY:
SULFOMETURON METHYL
Acute Dietary LC50 - Mallard Duck: > 5000 ppm.
Acute Dietary LC50 - Bobwhite Quail: > 5620 ppm.
AQUATIC TOXICITY:
SULFENTRAZONE
96 hour LC50 - Bluegill sunfish: 93.8 mg/L.
96 hour LC50 - Rainbow trout: > 120 mg/L.
AVIAN TOXICITY:
SULFENTRAZONE
LD50 - Bobwhite Quail: > 2250 mg/kg.
LC50 - Bobwhite Quail: > 5620 ppm.
LC50 - Mallard Duck: > 5620 ppm.
AQUATIC TOXICITY:
TOLUENE
Moderately toxic.
96 hour LC50 - Fathead minnows: 31.7 mg/L
AQUATIC TOXICITY
CHLORSULFURON
120 hour EC50, Freshwater algae: 0.05 ppm.
AVIAN TOXICITY
CHLORSULFURON
Short term Dietary LC50 - Mallard Duck: > 5000 ppm
Short term Dietary LC50 - Bobwhite Quail: > 5620 ppm
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DISPOSAL CONSIDERATIONS
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Waste Disposal
Treatment, storage, transportation, and disposal must be in
accordance with applicable Federal, State/Provincial, and Local
regulations.
Do not contaminate water supply, food or feed by storage or
disposal.
Wastes resulting from the use of this product may be disposed of
on site or at an approved waste disposal facility.
ENVIRONMENTAL HAZARDS
This herbicide is toxic to marine/estuarine invertebrates.
Do not apply directly to water, to areas where surface water
is present or to intertidal areas below the mean high water
mark. Drift and runoff may be hazardous to terrestrial and
aquatic plants in neighboring areas. Do not contaminate
water when disposing of equipment washwaters or rinsate.
Ground Water Advisory: See product label for application
instructions relating to environmental precautions.
Surface Water Advisory: See product label for application
instructions relating to environmental precautions.
M0000682 DuPont Page 10
Material Safety Data Sheet
(DISPOSAL CONSIDERATIONS - Continued)
Container Disposal
For Plastic Containers: Triple rinse (or equivalent). Then
offer for recycling or reconditioning, or puncture and
dispose of in a sanitary landfill, or incineration, or, if
allowed by State and local authorities, by burning. If
burned, stay out of smoke.
For Fiber Sacks: Completely empty fiber sack by shaking and
tapping sides and bottom to loosen clinging particles.
Empty residue into manufacturing or application equipment.
Then dispose of sack in a sanitary landfill or by
incineration if allowed by State and local authorities.
For Fiber Drums With Liners: Completely empty liner by
shaking and tapping sides and bottom to loosen clinging
particles. Empty residue into application equipment. Then
dispose of liner in a sanitary landfill or by incineration
if allowed by State and local authorities. If drum is
contaminated and cannot be reused, dispose of in the same
manner.
For Paper and Plastic Bags: Completely empty bag into
application equipment. Then dispose of empty bag in a
sanitary landfill or by incineration, or, if allowed by
State and local authorities, by burning. If burned, stay
out of smoke.
Container Refilling and Disposal (For Containers up
to 250 gal): This is a refillable container. If the
container is to be refilled, do not rinse with any material
or introduce any pesticide other than this product.
If the container is not to be refilled, triple rinse (or
equivalent) and offer for recycling or reconditioning, or
puncture and dispose of in a sanitary landfill, or by
incineration, or by open burning, if allowed by State and
local authorities. If burned, keep out of smoke.
Refer to the product label for additional instructions.
Container Disposal for Bulk Containers: The container must
only be refilled with this pesticide product. DO NO REUSE
THE CONTAINER FOR ANY OTHER PURPOSE. Do not transport if
the container is damaged or leaking. Disposal of the
container must be in compliance with State and local
regulations. Refer to the product label for additional
instructions.
M0000682 DuPont Page 11
Material Safety Data Sheet
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TRANSPORTATION INFORMATION
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Shipping Information
DOT/IMO
Proper Shipping Name : NOT REGULATED
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REGULATORY INFORMATION
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U.S. Federal Regulations
TITLE III HAZARD CLASSIFICATIONS SECTIONS 311, 312
Acute : Yes
Chronic : Yes
Fire : No
Reactivity : No
In the United States this product is regulated by the US
Environmental Protection Agency under the Federal Insecticide,
Fungicide and Rodenticide Act. It is a violation of federal law
to use this product in a manner inconsistent with its labeling.
EPA Reg. No. 352-725
SARA/CERLA Reportable Quantity (RQ):
Toluene (1000 lbs.)
State Regulations (U.S.)
******ATTENTION******
CALIFORNIA PROPOSITION 65
THIS PRODUCT CONTAINS CHLORSULFURON, A CHEMICAL KNOWN TO
THE STATE OF CALIFORNIA TO CAUSE BIRTH DEFECTS OR OTHER
REPRODUCTIVE HARM.
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OTHER INFORMATION
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NFPA, NPCA-HMIS
NFPA Rating
Health :2
Flammability :1
Reactivity :0
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The data in this Material Safety Data Sheet relates only to the
specific material designated herein and does not relate to use in
combination with any other material or in any process.
M0000682 DuPont Page 12
Material Safety Data Sheet
(Continued)
Responsibility for MSDS: DuPont Crop Protection
Address : Wilmington, DE 19898
Telephone : 1-888-638-7668
# Indicates updated section.
This information is based upon technical information believed to be
reliable. It is subject to revision as additional knowledge and
experience is gained.
End of MSDS
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