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Home Products Manufacturers Ingredients Health Effects
Product Information
Product Name: Monsanto Lasso Herbicide (agricultural)
EPA Registration Code: 524-314
Form: liquid
Product Category: Pesticides » grass, weed control/corn » Herbicide
Customer Service: 180-033-2311
Date Entered: 2004-01-20
Related Items: Products with similar usage in this database
Manufacturer
Manufacturer: Monsanto Company
Roundup is marketed by Scotts Co.
Address: P.O. Box 5008
City: San Ramon
State: CA
Zip Code: 94583
Telephone Number: 937-644-0011
Toll Free Number: 800-225-2883
Date Info Verified: 2007-02-07
Related Items: Products by this manufacturer
The following information (Health Effects, Handling/Disposal, and Ingredients) is taken from the product label and/or the Material Safety Data Sheet (MSDS) prepared by the manufacturer. The National Library of Medicine does not test products nor does it evaluate information from the product label or the MSDS. (What is an MSDS?)
Health Effects
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Warnings: Warning:
PRECAUTIONARY STATEMENTS
Hazards to Humans and Domestic Animals
Keep out of reach of children.
Acute Health Effects: From MSDS

Potential Health Affects:
Likely routes of exposure - Skin contact, eye contact, inhalation
Eye contact, short term - risk of serious damage to eyes. Eye injury may be permanent.
Skin contact, short term - Irritating to skin. May cause allergic skin reaction.
Inhalation, short term - Irritating to respiratory system.
Single ingestion - Harmful if swallowed.
Chronic Health Effects: From MSDS
MONOCHLOROBENZENE:
INHALATION, EXCESSIVE, NON OCCUPATIONAL, OCCUPATIONAL:
Gastro-intestinal effects: liver damage
Urological/renal effects: kidney damage
General/systemic effects: fatigue
INGESTION: May cause effects similar to those described above.

NAPHTHALENE:
SKIN EFFECTS: sensitization
EYE CONTACT, REPEATED, OCCUPATIONAL: Clouding of eye (opacity of cornea)
INHALATION, EXCESSIVE, OCCUPATIONAL, NON OCCUPATIONAL: Eye nerve inflammation (retrobulbar and/or optic neuritis; skin yellowing (jaundice); urinary bladder inflammation (cystitis); destruction of red cells (hemolysis), methemoglobinemia; blood in urine (hematuria)
INGESTION: May cause effects similar to those described under Inhalation.
Carcinogenicity: From MSDS
May cause cancer.
IARC Classification: Naphthalene Category 2B.

The state of California's Safe Drinking Water and Toxic Enforcement Act of 1986 requires the following label on this product. WARNING! This product contains chemicals known to the state of California to cause cancer.
First Aid: From MSDS
Eye contact - Immediately flush with plenty of water. Continue for at least 15 minutes. If easy to do, remove contact lenses. Obtain medical attention from an eye specialist.
Skin contact - Immediately wash affected skin with plenty of water. Continue for at least 15 minutes. Take off contaminated clothing, wristwatch, jewelry. If spilled into boots, remove immediately. Wash clothes before re-use. Get medical attention.
Inhalation - Remove to fresh air.
Ingestion - Immediately offer water to drink. Never give anything by mouth to an unconscious person. Do NOT induce vomiting unless directed by medical personnel. A physician or poison Control center can be contacted for advice.
Advice to doctors- Probable mucosal damage may contra-indicate gastric lavage.
Health Rating: 3
Flammability Rating: 2
Reactivity Rating: 1
HMIS Rating Scale: 0 = Minimal; 1 = Slight; 2 = Moderate; 3 = Serious; 4 = Severe; 
N = No information provided by manufacturer; * = Chronic Health Hazard
MSDS Date: 2002-07-22
Handling/Disposal
Handling: From MSDS
Avoid contact with eyes, skin and clothing.
Avoid breathing vapor or mist.
Do NOT taste or swallow.
Ensure adequate ventilation.
When using do not eat, drink or smoke.
Wash hands thoroughly after handling or contact.
Wash contaminated clothing before re-use.
Thoroughly clean equipment after use.
Do not contaminate drains, sewers and water ways when disposing of equipment rinse water.

Emptied containers retain vapor and product residue.
Follow labeled warnings even after container is emptied.
Do not cut, drill, grind or weld on or near this container.
Disposal: From Label
DISPOSAL: Wastes of this pesticide may cause eye burns and skin
irritation and may be dangerous. Improper disposal of excess pesticide, spray mixtures or rinsate is a violation of Federal law. If these wastes cannot be disposed of according to label use instructions, contact your State Pesticide or Environmental Control Agency, or the Hazardous Waste representative at the nearest EPA Regional Office for guidance.

Emptied container retains vapor and product residue. Observe all labeled
safeguards until container is cleaned, reconditioned or destroyed.
(See the individual container label for disposal information.)
Ingredients from MSDS/Label
ChemicalCAS No / Unique IDPercent
Naphthalene000091-20-3>0.09-<0.15
Chlorobenzene000108-90-7>26-<30
Alachlor015972-60-845.1
Emulsifier(s) (unspecified)999999-58-8>4.5-<6
Hydrocarbon solvent (unspecified)999999-90-6>19-<24
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