Agrochemical herbicide Ametryn 95-98%TC 80%WP 500G/L SC 40%WP 834-12-8 CAS NO.834-12-8

Product name

Ametryn 95-98%TC 80%WP 500G/L SC 40%WP

 General info

Common name: ametryn; ametryne
IUPAC name: N2-ethyl-N4-isopropyl-6-methylthio-1,3,5-triazine-2,4-diamine
Chemical Abstracts name: N-ethyl-N'-(1-methylethyl)-6-(methylthio)-1,3,5-triazine-2,4-diamine
CAS RN: [834-12-8]

 Properties

Mol. wt.: 227.3;M.f.: C9H17N5S;

Form: White powder.

M.p.: 86.3-87.0C; B.p.: 337C/98.6 kPa;

V.p.: 0.365 mPa (25C) (OECD 104).

KOW: logP = 2.63 (25C).

Henry: 4.1x10-4 Pa m3 mol-1 (calc.)

S.g./density: 1.18 (22C). Solubility: In water 200 mg/l (20C). In acetone 610, methanol 510, toluene 470, n-octanol 220, hexane 12 (all in g/l, 25C). Stability: Stable in neutral, weakly acidic, weakly alkaline media. Hydrolysed by strong acids (pH 1) alkalis (pH 13) to the herbicidally-inactive 6-hydroxy derivative. Slowly decomposed by u.v. light. pKa: 4.1, weak base.

TOXICOLOGY

Oral: Acuteal LD50 frats 1160 mg tech./kg.
Skin eye: Acute percutaneous LD50 frabbits >2020, rats >3100 mg/kg. Not a skin eye irritant (rabbits). Not a skin sensitiser (guinea pigs).
Inhalation: LC50 (4 h) frats >5170 mg/m3 air.
NOEL: (2 y) frats 50, fmice 10 ppm; (1 y) fdogs 200 ppm.
ADI: 0.015 mg/kg daily.
Toxicity class: WHO (a.i.) III; EPA (formulation) III
EC hazard: Xn; R22| N; R50, R53

Application

Biochemistry: Photosynthetic electron transport inhibitat the photosystem II receptsite.
Mode of action:ive systemic herbicide, absorbed by the leaves roots, with translocation acropetally in the xylem, accumulation in the apical meristems.
Uses: Pre- post-emergence control of most annual grasses broad-leaved weeds in pineapples, sugar cane, bananas, citrus fruit, maize, cassava, coffee, tea, sisal, cocoa, oil palms, on non-crop land. Application rates are in the range 2-4 kg/ha, except when used as a directed spray on maize. Also used as a potato haulm desiccant.
Phytotoxicity: Some sugar cane varieties show temporary chlorosis scorching of lower leaves.
Formulation types: EC; FW; SC; WG; WP.

  Specifications         

Acetochlor 92% TC

AMETRYN 80%WP

  Others