Cyanazine

Agent Name
Cyanazine
CAS Number
21725-46-2
Formula
C9-H13-Cl-N6
Major Category
Pesticides
Cyanazine formula graphical representation
Synonyms
2-((4-Chloro-6-(ethylamino)-1,3,5-triazin-2-yl)amino)-2-methylpropanenitrile; 2-((4-Chloro-6-(ethylamino)-s-triazin-2-yl)amino)-2-methylpropionitrile; 2-(4-Chloro-6-ethylamino-1,3,5-triazin-2-ylamino)-2-methylpropionitrile; 2-(4-Chloro-6-ethylamino-s-triazine-2-ylamino)-2-methyl-propionitrile; 2-Chloro-4-(1-cyano-1-methylethylamino)-6-ethylamine-1,3,5-triazine; 2-Chloro-4-(1-cyano-1-methylethylamino)-6-ethylamino-s-triazine; Bladex; Bladex 80WP; Blanchol; Cyanazin; DW3418; Fortrol; Payze; SD 15418; WL 19805; s-Triazine, 2-chloro-4-ethylamino-6-(1-cyano-1-methyl)ethylamino-; [ChemIDplus] UN2763
Category
Herbicides, Triazine
Description
White solid; [Merck Index] Colorless solid; [CAMEO]
Sources/Uses
Used as pre- and post-emergence herbicide for control of annual grasses and broadleaf weeds; [HSDB]
Comments
Can be absorbed through skin; "Animal tests show that this substance possibly causes malformations in human babies." [ICSC] No effect levels in a 2-year feeding study were 12 mg/kg diet for rats and 25 mg/kg diet for dogs; Eliminated within 4 days in animal experiments; [HSDB] Increased eye abnormalities in pups after pregnant rats exposed to 75 mg/kg/day; [REPROTOX] For the triazine herbicides, systemic toxicity unlikely unless large amounts are ingested; May cause irritation; [EPA Pesticides, p. 121] "Cyanazine is a developmental toxin in rodent studies." [ACGIH]
Restricted
Product registrations voluntarily cancelled in 1999; [ACGIH] Banned in the EU for use as pesticide for plant protection and other pesticides including biocides; [eChemPortal: ESIS]
Biomedical References

Exposure Assessment

TLV (ACGIH)
0.1 mg/m3, inhalable particulate matter
Vapor Pressure
1.38E-07 mm Hg
Lethal Concentration
LCLo (rat) > 4,900 mg/m3
Explanatory Notes
The Guide in the Emergency Response Guidebook is for "Triazine pesticide, solid, toxic."

Adverse Effects

Reproductive Toxin
Yes
ACGIH Carcinogen
Confirmed Animal

Diseases, Processes, and Activities Linked to This Agent

Processes

Industrial Processes with risk of exposure: