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MSDS Material Safety Data Sheet
CAS

65733-16-6
64742-47-8

File Name: researchfumigation_com---diaconmsds.asp
                                                                        Date Issued:      September, 2001
Supersedes: New

MATERIAL SAFETY DATA SHEET
DIACON 螜螜铮?.

Wellmark International
Manufacturer:
1100 East Woodfield Road, Suite 500 Schaumburg, IL 60173
Address:
1(800)-248-7763
Emergency Phone:
CHEMTREC: 1-800-424-9300
Transportation Emergency Phone:


1. CHEMICAL PRODUCT INFORMATION

Diacon 螜螜铮?
Product Name:
(S)-Methoprene: Isopropyl (2E,4E,7S)-11-methoxy-3,7,11-trimethyl-2,4-
Chemical Name/Synonym:
dodecadienoate
Terpenoid
Chemical Family:
C19 H34 O3
Formula:
2724-427
EPA Registration No.:
9811
RF Number:

2. COMPOSITION / INFORMATION ON INGREDIENTS

Component (chemical, common name) CAS Weight Tolerance
Number
(S)- Methoprene: Isopropyl (2E,4E,7S)-11-Methoxy-3,7,11-trimethyl- 65733-16-6 33.6% Not established
2,4-dodecadienoate
66.4% Not established
Other ingredients: (nonhazardous and/or trade secret):
Hydrotreated light petroleum distillate 64742-47-8 Not established


3. HAZARD INFORMATION

PRECAUTIONARY STATEMENT
Caution: Keep out of the reach of children. Causes moderate eye irritation. Harmful if
absorbed through skin. Avoid contact with eyes, skin, or clothing. Wash thoroughly with
soap and water after handling. Remove contaminated clothing and wash clothing before
reuse.

SIGNS AND SYMPTOMS OF OVEREXPOSURE

No adverse reactions have resulted from normal human exposure during research and testing.

Dermal/Eye: Yes Oral: No Yes
PRIMARY ROUTE OF ENTRY Inhalation:

LD50 (rat): >34,000 mg/kg (HDT) (Based on (S)-Methoprene)
ACUTE TOXICITY Oral:
LD50 (rabbit): >2,000 mg/kg (HDT) (Based on (S)-Methoprene)
Dermal:
LC50 (rat)> 210mg/l air (Based on RS-Methoprene)
Inhalation:




Page 1 of 4
OTHER TOXICOLOGICAL INFORMATION
Non-irritating (rabbit) (Based on (S) Methoprene)
Skin Irritation:
Practically non-irritating (rabbit) (Based on (S) Methoprene)
Eye Irritation:
Not a sensitizer (guinea pig) (Based on (RS) Methoprene)
Sensitizer:

4. FIRST AID MEASURES

Hold eye open and rinse slowly and gently with water for 15-20 minutes.
Eye:
Remove contact lenses, if present, after the first 5 minutes, then continue
rinsing eyes. Call a poison control center or doctor for treatment advice.
Take off contaminated clothing. Rinse skin immediately with plenty of water for
Skin:
15-20 minutes. Call a poison control center or doctor for treatment advice.
Immediately call a poison control center or doctor. Do not induce vomiting
Ingestion:
unless told to do so by a poison control center or doctor. Do not give any
liquid to the person. Do not give anything by mouth to an unconscious person.
Move to well ventilated area. Clear airway and support respiration if
Inhalation:
necessary. Seek medical attention.
Contains petroleum distillate 鈥? vomiting may cause aspiration
Note to Physician:
pneumonia.

5. FIRE FIGHTING MEASURES

NFPA Rating: Health: 0 Fire: 2 Reactivity: 0
Combustible liquid
Flammability Class:
191掳F, 88.3掳C
Flash Point:
Upper: Unknown; Lower: Unknown
Explosive Limits (% of Volume):
Foam, CO2, dry chemical, water, fog
Extinguishing Media:
Wear protective clothing, eye protection, and self-contained breathing
Special Protective Equipment:
apparatus.
Normal procedures. Do not allow product to enter drainage system or
Fire Fighting Procedures:
waterways.
Carbon monoxide and carbon dioxide
Combustion Products:
Explosive hazards are moderate when vapors are exposed to heat or flame.
Unusual Fire/Explosion Hazards:

6. ACCIDENTAL RELEASE MEASURES

Cover with inert absorbent. Avoid contact with heat or open flame. Avoid
Steps to be taken:
breathing vapors. Provide ventilation and avoid skin contact. Place all material
in metal drum that can be effectively sealed. Do not contaminate surface or
domestic water supply.
Clay granules, sawdust, dirt or equivalent.
Absorbents:
Oxidizers
Incompatibles:

7. HANDLING AND STORAGE

Wash hands before eating, drinking, chewing gum, using tobacco, or using
Handling:
the toilet. Remove clothing immediately if pesticide gets inside. Then wash
thoroughly and put on clean clothing. Remove PPE immediately after
handling this product. Wash the outside of the gloves before removing. Then
wash thoroughly and change into clean clothing.
Do not contaminate water, food, or feed by storage. Store in a cool dry place.
Storage:



Page 2 of 4
8. EXPOSURE CONTROL / PERSONAL MEASURES

Not Applicable
Exposure Limits:
Use with adequate ventilation.
Ventilation:
Under normal use, special protective equipment is not needed. If extended
Personal Protective Equipment:
exposure is anticipated, it is recommended to wear a MSHA/NIOSH approved
respirator with organic vapor cartridge, impervious gloves and chemical
goggles or safety glasses with side shields.

9. PHYSICAL AND CHEMICAL PROPERTIES

Amber liquid, aromatic solvent odor.
Appearance and Odor:
greater than 218掳C
Boiling Point:
Not applicable
Melting Point:
< 0.1 mm Hg
Vapor Pressure (mm Hg):
< 5.9
Vapor Density (Air = 1):
0.858
Specific Gravity:
7.1 lbs/gal
Bulk Density:
Forms emulsion in water
Solubility:
< 0.01 (n-Butyl acetate = 1.0)
Evaporation Rate:
6.69
pH:

10. STABILITY AND REACTIVITY

Stable
Stability:
Non-reactive
Reactivity:
Oxidizers
Incompatibility w/ Other
Materials:
Carbon monoxide, carbon dioxide
Decomposition Products:
Will not occur
Hazardous Polymerization:

11. TOXICOLOGICAL INFORMATION

CHRONIC TOXICITY [ Based on (RS) Methoprene]
Methoprene is not considered as an oncogenic compound. The NOEL for non-carcinogen effects in an 18-month mouse
study was 250ppm.
DEVELOPMENTAL/REPRODUCTIVE TOXICITY [ Based on (RS) Methoprene]
Methoprene is not a teratogenic compound. The NOEL for maternal and embryo toxicity in rabbits was 200/mg/kg/day.
The NOEL for reproductive effects in rats was 500 ppm.
MUTAGENICITY [ Based on (RS) Methoprene]
Methoprene is not a mutagenic compound.




Page 3 of 4
12. ECOLOGICAL INFORMATION

ENVIRONMENTAL FATE [ Based on (RS) Methoprene]
Hydrolysis: T1/2 > 4 weeks)
T1/2 < 10 hours)
Photolysis:
~ 10 days)
Soil half life:
< 2 ppm)
Water solubility:

ECOTOXICITY [ Based on (S) Methoprene]
Acute Toxicity: fish:LC50 (trout): 760 ppb, (bluegill): > 370 ppb ;
aquatic invertebrates:LC50 (Daphnia): 360 ppb


13. DISPOSAL CONSIDERATIONS

Do not contaminate water, food, or feed by disposal. Pesticide Disposal 鈥揥asts resulting from use of this product may
be disposed of on site or at an approved waste disposal facility. Container Disposal 鈥? [Metal Containers] Triple rinse
(or equivalent). Then offer for recycling or reconditioning, or puncture and dispose of in a sanitary landfill, or by other
procedures approved by state and local authorities. [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. [Glass Containers]: Triple rinse (or equivalent). Then
dispose of in a sanitary landfill or by other approved state and local procedures


14. TRANSPORT INFORMATION

Not Applicable
DOT49CFR Description:
Insecticides N.O.I O/T Poison NMCF 1-102120 CL 60
Freight Classification:

15. REGULATORY INFORMATION

Ninate 401-A (dodecylbenzene sulfonic acid, calcium salt) 鈥? RQ = 10 lbs.
CERCLA (Superfund):
Cas#26264-06-2
Regulated due to ignitability (D001)
RCRA:

SARA 311/312 HAZARD CATEGORIES
Immediate Health: Yes (irritation)
No
Delayed Health:
Yes (combustible liquid)
Fire:
No
Sudden Pressure:
No
Reactivity:

The information presented herein, while not guaranteed, was prepared by technically knowledgeable personnel and to
the best of our knowledge is true and accurate. It is not intended to be all inclusive and the manner and conditions of
use and handling may involve other or additional considerations.




22 24 012




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