Agent Name

Cyanazine

CAS Number

21725-46-2

Formula

C9-H13-Cl-N6

Major Category

Pesticides

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]

Restricted

Cancelled--no longer registered as a pesticide for use in the US; [HSDB] Banned in the EU for use as pesticide for plant protection and other pesticides including biocides; [eChemPortal: ESIS]

Exposure Assessment
Vapor Pressure

1.38E-7 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." See "2017 Notice of Intended Changes." [TLVs and BEIs]

Adverse Effects
Reproductive Toxin

Yes

Links to Other NLM Databases
Health Studies

Human Health Effects from Hazardous Substances Data Bank:

Toxicity Information

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Chemical Information

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Biomedical References

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Related Information in HazMap
Processes

Industrial Processes with risk of exposure: