Chemical Detail

Chemical NameMetribuzin
Synonym(s)1,2,4-Triazin-5(4h)-one, 4-amino-6-(1,1-dimethylethyl)-3-(methylthio)- | 1,2,4-Triazin-5-one, 4-amino-6-tert-butyl-3-(methylthio)- | 4-Amino-6-(1,1-dimethylethyl)-3-(methylthio)-1,2,4-triazin-5(4H)-one | 4-Amino-6-tert-butyl-3-(methylthio)-1,2,4-triazin-5-one | 4-Amino-6-tert-butyl-3-(methylthio)-as-triazin-5(4H)-one | 4-Amino-6-tert-butyl-3-methylthio-1,2,4-triazin-5(4H)-one | 4-Amino-6-tert-butyl-3-methylthio-as-triazin-5-one | 4-Amino-6-tert-butyl-4,5-dihydro-3-methylthio-1,2,4-triazin-5-one | Bay 61597 | Bay 94337 | Bay DIC 1468 | Bayer 6159H | Bayer 6443H | Bayer 94337 | Caswell No. 033D | EPA Pesticide Chemical Code 101101 | Lexone | Sencor | Zenkor | as-Triazin-5(4h)-one, 4-amino-6-tert-butyl-3-(methylthio)-
CASRN21087-64-9
De minimis Limit %1
M,P/OU Threshould (lb)25,000/10,000
Listing TypeIndividually listed chemical
Effective Date1995-01-01
Chemical QualifierNo
MetalNo
Chemical of Special ConcernNo
Per- or Polyfluoroalkyl SubstanceNo
Structural image
Structural representation of Metribuzin

Rulemaking Changes Affecting This Chemical

StatusEffective Reporting YearFR Proposed RuleFR Final Rule
Added199559 FR 1788 (1/12/1994)59 FR 61432 (11/30/1994)