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ManualsBrandsSpectracide ManualsGarden CenterWeed Stop for Lawns 32 oz. Concentrate Lawn Weed Killer
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Safety Data Sheet
Spectracide ® Weed Stop ® for Lawns Concentrate
2
Page 5 of 8
May 17, 2019
Eye contact:
Acute Toxicity Values:
Chronic Effects-
Carcinogenicity:
Reproductive Toxicity:
Germ Cell Mutagenicity:
STOT-single exposure:
STOT-repeated exposure:
Aspiration hazard:
Chronic Toxicity:
Target Organ Effects:
Mild eye irritation.
Chemical Name
Oral LD50
Dermal LD50
Inhalation LD50
Sulfentrazone
122836-35-5
>2600 mg/kg (Rat) - -
Calculated overall Chemical Acute Toxicity Values (ATE)
LD50 (Oral)
LD50 (Dermal)
LC50 (inhalation)
2,4-D, dimethylamine
salt 2008-39-1
=625 mg/kg (Rat) =2115 mg/kg (Rabbit) -
Skin Contact:
Based on available data, the classification criteria are not met.
Sensitization:
Based on available data, the classification criteria are not met.
Chemical Listed as a Carcinogen or Potential Carcinogen (NTP, IARC, OSHA):
The International Agency for Research on Cancer (IARC) lists chlorophenoxy herbicides in its Group 2B
(limited evidence for Carcinogenicity in humans.) The US EPA has given the chlorophenoxy Herbicides
2,4-D, 2,4-DP, MCPP, and MCPA a Class D classification (not classifiable as to human carcinogenicity.)
More current 2,4-D lifetime feeding studies in rats and mice did not show carcinogenic effects and a
recent World Health Organization (WHO) review of 2,4-D toxicology has concluded that 2,4-D is not a
carcinogen. The table below indicates whether each agency has listed any ingredient as a carcinogen.
>5000 mg/kg (rat)
>5000 mg/kg (rat)
>2.03 mg/L (rat)
Eye Contact:
This product is an eye irritant.
Chemical Name
ACGIH
IARC
NTP
OSHA
2,4-D, dimethylamine
salt 2008-39-1
Group 2B
No information available.
Avoid repeated exposure. May cause adverse liver effects.
Central nervous system, Eyes, Kidney, Liver, Respiratory system, Skin.
Section 12 - ECOLOGICAL INFORMATION
IARC (International Agency for Research on Cancer)
Group 2B - possibly Carcinogenic to Humans
No information available.
No information available.
No information available.
No information available.
MCPP-p
Dimethylamine salt
66423-09-4
Group 2B