MATERIAL SAFETY DATA SHEET
In Case of Emergency, Call
Syngenta Crop Protection, Inc.
1-800-888-8372
Post Office Box 18300
Greensboro, NC 27419
1. PRODUCT IDENTIFICATION
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Product Name: Product No.: A9793B
EPA Signal Word: Caution
Active Ingredient(%): S-Metolachlor (83.7%) CAS No.: 87392-12-9
Chemical Name: Acetamide, 2-chloro-N-(2-ethyl-6-methylphenyl)-N-(2-methoxy-1-methylethyl]-,(S)
Chemical Class: Chloroacetanilide Herbicide
EPA Registration Number(s): 100-950 Section(s) Revised: All sections
2. COMPOSITION/INFORMATION ON INGREDIENTS
ACGIH
OSHA NTP/IARC/OSHA
Other
TLV
PEL Carcinogen
Material
1,2,4-Trimethylbenzene (not to 25 ppm (125 mg/m? TWA 25 ppm (123 mg/m? 25 ppm (125 mg/m? No
exceed 1%) TWA REL (Recommended
Exposure Limit)**
Naphthalene (not to exceed 1%) 10 ppm (50 mg/m? TWA 10 ppm (50 mg/m? TWA 10 ppm (50 mg/m? See "Toxicity", Sec. 11
(skin) TWA**
S-Metolachlor (83.7%) Not Established Not Established Not Established No
** recommended by NIOSH
Ingredients not precisely identified are proprietary or non-hazardous. Values are not product specifications.
3. HAZARDS IDENTIFICATION
Symptoms of Acute Exposure
Causes eye, skin and respiratory passage irritation. Allergic skin reactions are possible.
Exposure to high vapor levels may cause headache, dizziness, numbness, nausea, incoordination, or other central nervous
system effects.
Hazardous Decomposition Products
Can decompose at high temperatures forming toxic gases.
Physical Properties
Appearance: Golden brown liquid
Odor: Sweet
Unusual Fire, Explosion and Reactivity Hazards
During a fire, irritating and possibly toxic gases may be generated by thermal decomposition or combustion.
4. FIRST AID MEASURES
Have the product container, label or Material Safety Data Sheet with you when calling Syngenta (800-888-8372), a poison
contol center or doctor, or going for treatment.
If swallowed: Call Syngenta (800-888-8372), a poison control center or doctor immediately for treatment
Ingestion:
advice. Do not give any liquid to the person. Do not induce vomiting unless told to do so after calling 800-
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888-8372 or by a poison control center or doctor. Do not give anything by mouth to an unconscious person.
If in eyes: Hold eye open and rinse slowly and gently with water for 15-20 minutes. Remove contact lenses,
Eye Contact:
if present, after 5 minutes, then continue rinsing eye. Call Syngenta (800-888-8372), a poison control center
or doctor for treatment advice.
Skin Contact: If on skin or clothing: Take off contaminated clothing. Rinse skin immediately with plenty of water for 15-
20 minutes. Call Syngenta (800-888-8372), a poison control center or doctor for treatment advice.
If inhaled: Move person to fresh air. If person is not breathing, call 911 or an ambulance, then give artificial
Inhalation:
respiration, preferably mouth-to-mouth if possible. Call Syngenta (800-888-8372), a poison control center or
doctor for further treatment advice.
Notes to Physician
There is no specific antidote if this product is ingested.
Treat symptomatically.
Contains petroleum distillate - vomiting may cause aspiration pneumonia.
Medical Condition Likely to be Aggravated by Exposure
None known.
5. FIRE FIGHTING MEASURES
Fire and Explosion
Flash Point (Test Method): > 200癋 (Setaflash)
Flammable Limits (% in Air): Lower: % Not Applicable Upper: % Not Applicable
Autoignition Temperature: Not Available
Flammability: Not Applicable
Unusual Fire, Explosion and Reactivity Hazards
During a fire, irritating and possibly toxic gases may be generated by thermal decomposition or combustion.
In Case of Fire
Use dry chemical, foam or CO2 extinguishing media. Wear full protective clothing and self-contained breathing
apparatus. Evacuate nonessential 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. Water runoff can cause
environmental damage. If water is used to fight fire, dike and collect runoff.
6. ACCIDENTAL RELEASE MEASURES
In Case of Spill or Leak
Control the spill at its source. Contain the spill to prevent it from spreading, contaminating soil, or entering sewage and
drainage systems or any body of water. Clean up spills immediately, observing precautions outlined in Section 8. If a
solid, sweep up material and place in a compatible disposal container. If a liquid, cover entire spill with absorbing
material and place into compatible disposal container. Scrub area with hard water detergent (e.g. commercial products
such as Tide, Joy, Spic and Span). Pick up wash liquid with additional absorbent and place into compatible disposal
container. Once all material is cleaned up and placed in a disposal container, seal container and arrange for disposition.
7. HANDLING AND STORAGE
Store the material in a well-ventilated, secure area out of reach of children and domestic animals. Do not store food, beverages
or tobacco products in the storage area. Prevent eating, drinking, tobacco use, and cosmetic application in areas where there is
a potential for exposure to the material. Wash thoroughly with soap and water after handling.
8. EXPOSURE CONTROLS/PERSONAL PROTECTION
THE FOLLOWING RECOMMENDATIONS FOR EXPOSURE CONTROLS/PERSONAL PROTECTION ARE INTENDED FOR
THE MANUFACTURE, FORMULATION, PACKAGING AND USE OF THIS PRODUCT.
FOR COMMERCIAL APPLICATIONS AND/OR ON-FARM APPLICATIONS CONSULT THE PRODUCT LABEL.
Prevent eating, drinking, tobacco usage and cosmetic application in areas where there is a potential for
Ingestion:
exposure to the material. Wash thoroughly with soap and water after handling.
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Eye Contact: Where eye contact is likely, use chemical splash goggles. Facilities storing or utilizing this material should
be equipped with an eyewash facility and a safety shower.
Skin Contact: Where contact is likely, wear chemical-resistant (such as nitrile or butyl) gloves, coveralls, socks and
chemical-resistant footwear. For overhead exposure, wear chemical-resistant headgear.
Inhalation: Use process enclosures, local exhaust ventilation, or other engineering controls to keep airborne levels
below exposure limits. A NIOSH-certified combination air-purifying respirator with an N, P or R 95 or HE
class filter and an organic vapor cartridge may be permissible under certain circumstances where airborne
concentrations are expected to exceed exposure limits. Protection provided by air-purifying respirators is
limited. Use a pressure demand atmosphere-supplying respirator if there is any potential for uncontrolled
release, exposure levels are not known, or under any other circumstances where air-purifying respirators
may not provide adequate protection.
9. PHYSICAL AND CHEMICAL PROPERTIES
Appearance: Golden brown liquid
Odor: Sweet
Melting Point: Not Applicable
Boiling Point: Not Available
Specific Gravity/Density: 1.09 g/cc @ 68癋 (20癈)
5.5 (1% solution in H2O @ 77癋
pH:
(25癈))
Solubility in H2O
S-Metolachlor: 0.48 g/l @ 77癋 (25癈)
Vapor Pressure
S-Metolachlor: 2.48 x 10(-5) mmHg @ 77癋 (25癈)
10. STABILITY AND REACTIVITY
Stability: Stable under normal use and storage conditions.
Hazardous Polymerization: Will not occur.
Conditions to Avoid: None known.
Materials to Avoid: None known.
Hazardous Decomposition Products: Can decompose at high temperatures forming toxic gases.
11. TOXICOLOGICAL INFORMATION
Acute Toxicity/Irritation Studies (Finished Product)
Ingestion: Slightly Toxic
Oral (LD50 Rat) : 3,425 mg/kg body weight
Dermal: Slightly Toxic
Dermal (LD50 Rabbit) : > 2,000 mg/kg body weight
Inhalation: Slightly Toxic
Inhalation (LC50 Rat) : > 2.61 mg/l air - 4 hours
Eye Contact: Moderately Irritating (Rabbit)
Skin Contact: Slightly Irritating (Rabbit)
Skin Sensitization: Sensitizing (Guinea Pig)
Reproductive/Developmental Effects
S-Metolachlor: None observed.
Chronic/Subchronic Toxicity Studies
None observed.
S-Metolachlor:
Carcinogenicity
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S-Metolachlor: Benign liver tumors at high dose levels (female rats).
Other Toxicity Information
None
Toxicity of Other Components
1,2,4-Trimethylbenzene (not to exceed 1%)
Inhalation of 1,2,4-trimethylbenzene at high concentrations can cause central nervous system depression,
respiratory tract irritation, asphyxiation, cardiac stress and coma. Effects of chronic exposure to this solvent can
include blood disorders (anemia, leukopenia) and kidney or liver damage.
Naphthalene (not to exceed 1%)
Exposure to naphthalene can cause cataracts, liver damage, kidney failure, respiratory failure, hematuria, anemia,
damage to red blood cells, leukocytosis, or coma.
Carcinogen Status:
NTP: Anticipated Carcinogen
IARC: Group 2B Possible Human Carcinogen
Target Organs
Active Ingredients
S-Metolachlor: Liver
Inert Ingredients
1,2,4-Trimethylbenzene: CNS, liver, kidney, blood, respiratory tract, skin, eye
Naphthalene: Eye, liver, kidney, respiratory tract, blood, CNS
12. ECOLOGICAL INFORMATION
Summary of Effects
S-Metolachlor:
Slightly to moderately toxic to fish. Slightly toxic to invertebrates. Practically non-toxic to birds and bees.
Eco-Acute Toxicity
S-Metolachlor: Bees LC50/EC50 > 200 ug/bee
Invertebrates (Water Flea) LC50/EC50 26 ppm
Fish (Trout) LC50/EC50 12 ppm
Fish (Bluegill) LC50/EC50 3.16 ppm
Birds (8-day dietary - Bobwhite Quail) LC50/EC50 > 5,620 ppm
Birds (8-day dietary - Mallard Duck) LC50/EC50 > 5,620 ppm
Eco-Chronic Toxicity
S-Metolachlor: Not Available
Environmental Fate
S-Metolachlor:
No data available for the formulation. The information presented here is for the active ingredient, s-metolachlor. A
thorough review of environmental information is not possible in this document.
Low bioaccumulation potential. Not persistent in soil. Stable in water. Sinks in water (after 24 h).
13. DISPOSAL CONSIDERATIONS
Disposal
Do not reuse product containers. Dispose of product containers, waste containers, and residues according to local, state,
and federal health and environmental regulations.
Characteristic Waste: Under certain circumstances, discarded product may exhibit TCLP hazardous characteristics. A
hazardous waste determination should be done on a case by case basis.
Listed Waste: Not Applicable
14. TRANSPORT INFORMATION
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DOT Classification
Non-Bulk Containers (
Bulk Containers (> 119 gal. cap.): RQ Other Regulated Substances, Liquid, N.O.S. (contains naphthalene), 9, NA3082
PGIII
Air Transportation:
Domestic and International: Not regulated under IATA.
B/L Freight Classification
Herbicides, NOI
Comments
None
15. REGULATORY INFORMATION
EPCRA SARA Title III Classification
Acute Health Hazard
Section 311/312 Hazard Classes:
Chronic Health Hazard
Section 313 Toxic Chemicals: 1,2,4-Trimethylbenzene (not to exceed 1%) (CAS No. 95-63-6)
Naphthalene (not to exceed 1%) (CAS No. 91-20-3)
California Proposition 65
Not Applicable
CERCLA/SARA 302 Reportable Quantity (RQ)
Report product spills > 1,700 gal. (based on naphthalene [RQ = 100 lbs.] content in the formulation)
RCRA Hazardous Waste Classification (40 CFR 261)
Under certain circumstances, discarded product may exhibit TCLP hazardous characteristics. A hazardous waste
determination should be done on a case by case basis.
TSCA Status
Exempt from TSCA, subject to FIFRA
16. OTHER INFORMATION
HMIS Hazard Ratings 0 Minimal
NFPA Hazard Ratings
1 Slight
Health: 2
Health: 2
2 Moderate
Flammability: 1
Flammability: 1
3 Serious
Instability: 0 Reactivity: 0
4 Extreme
For non-emergency questions about this product call:
1-800-334-9481
Original Issued Date: 03/30/1998
Revision Date: 04/15/2003 Replaces: 06/28/2000
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.
RSVP# : SCP-955-00225C
End of MSDS
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