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Products center-->> Herbicide >> atrazine

atrazine

 

97%tech, 80% 50%wp, 50%sc,

Herbicide

HRAC  C1 WSSA  5; 1,3,5-triazine

 

NOMENCLATURE

Common name atrazine (BSI, E-ISO, (f) F-ISO, ANSI, WSSA, JMAF)

IUPAC name 6-chloro-N2-ethyl-N4-isopropyl-1,3,5-triazine-2,4-diamine 

Chemical Abstracts name 6-chloro-N-ethyl-N'-(1-methylethyl)-1,3,5-triazine-2,4-diamine 

CAS RN [1912-24-9]  EEC no. 217-617-8  Development codes G 30 027 (Geigy) 

 

PHYSICAL CHEMISTRY

Composition Tech. is ³96% pure.  Mol. wt. 215.7  M.f. C8H14ClN5  Form Colourless powder.  M.p. 175.8 ºC  B.p. 205.0 C/101 kPa  V.p. 3.85 ´ 10-2 mPa (25 ºC) (OECD 104)  KOW logP = 2.5 (25 ºC)  Henry 1.5 ´ 10-4 Pa m3 mol-1 (calc.)  S.g./density 1.23 (22 C)  Solubility In water 33 mg/l (pH 7, 22 ºC). In ethyl acetate 24, acetone 31, dichloromethane 28, ethanol 15, toluene 4.0, n-hexane 0.11, n-octanol 8.7 (all in g/l, 25 ºC).  Stability Relatively stable in neutral, weakly acidic and weakly alkaline media. Rapidly hydrolysed to the hydroxy derivative in strong acids and alkalis, and at 70 ºC in neutral media; DT50 (pH 1) 9.5, (pH 5) 86, (pH 13) 5.0 d.  pKa 1.7, v. weak base 

 

APPLICATIONS

Biochemistry Photosynthetic electron transport inhibitor at the photosystem II receptor site. Maize tolerance is attributed to rapid detoxification by glutathione transferases.  Mode of action Selective systemic herbicide, absorbed principally through the roots, but also through the foliage, with translocation acropetally in the xylem and accumulation in the apical meristems and leaves.  Uses Pre- and post-emergence control of annual broad-leaved weeds and annual grasses in maize, sorghum, sugar cane, pineapples, chemical fallow, grassland, macadamia nuts, conifers, industrial weed control. In Europe, use is concentrated in maize and sorghum. Used also in combinations with many other herbicides.  Phytotoxicity Phytotoxic to many crops, including most vegetables, potatoes, soya beans, and peanuts.  Formulation types FW; GR; SC; WG; WP. 

 

CERTIFICATE OF ANALYS:

product name

atrazine 97% tc

atrazine 80%wp

atrazine 50%wp

atrazine 50% sc

Appearance

Loosen powder

Loosen powder

Loosen powder

white-grey milk flow liquid,without deposition and delamination

a.i.content

97.2%

      80.5%

    50.5%

50.6%

reduced quantity by heating

0.46%

 

 

 

content of sodium chloride

0.24%

 

 

 

susupensibility

 

     80%

    60%

98.1%

ph value

 

     7.5

    7.6

7.90

FINENESS

 

     95%

     95%

 

WETTING TIME

 

     60(S)

    120(S)

 

WATER

 

      1.6%

 

 

 

 

 

 

 

 

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