SPECIFICATION OF CYHALOFOP-BUTYL

Common name of active ingredient: Cyhalofop-butyl
Chemical name : butyl (2R)-2-[4-(4-cyano-2-fluorophenoxy)phenoxy]propanoate
Empirical formula :C20H20FNO4
Structural:




CAS number : 122008-85-9
Molecular weight: 357.37
Physical and chemical properties of technical Material
Colour: off-white solid
Odor : Faint almond odor
Physical state: Solid
Melting point: 50°C
Boiling point: 363 °C
Vapour pressure: 5.3 X 10-8 Kpa
Density or specific gravity: 1.24 kg/m³
Solubility in water : water 07/LpH7.0
Solubility in Other Solvents: 20 °C :
xylene 437, partition coefficient 25,octanol/water Log Pow=331
Partition co-efficient    : log Kow = 3.3158 at 25 °C (99.3 % purity)
Hydrolytic stability (DT50): N/A
pH range at which it is stable: 4 to 7.
Stability (Oxidation and thermal):
    : pH 5 (>99 % purity)
DT50 sunlight = 80.3-89.3 days
DT50 dark = 105.0-128.0 days
pH5 (>99 % purity)
DT50 xenon arc lamp = 190-212 days
DT50 dark = 190-212 days
. 
Information about patent status    : No patent status
Purity (%): 95% min (398/TK/M/2, CIPAC)
Impurities over 0.1%,methods of determination and  identification, chromotograms of the analyses  made by both domestic and foreign reference laboratories
Please contact us for detailed information
Analysis method: liquid chromatography with UV detection
(We clarify that the above mentioned impurities are non-toxic.)
Name and address manufacturing company:                                                                        
Shenzhen Longshine Chemicalco.,Ltd.

氰氟草酯

详细介绍

中文名：氰氟草酯

 英文名： Cyhalofop-Butyl

 化学名：(R)-2-[4-(4-腈基-2-氟苯氧基)苯氧基]丙酸丁酯

 分子式：C20H20FNO4

 分子结构式：

分子量：357.4

 CAS号：122008-85-9

性质：原药为白色无味固体，熔点50℃，沸点363℃。20℃时，比重1.24。溶解度：水中0.7毫克/升（pH7.0），二甲苯中43.7％，辛醇/水分配系数（25℃）LogPo/w=3.31。 

毒性：低毒除草剂。原药大鼠急性经口LD50＞5000毫克/公斤，大鼠急性经皮LD50＞2000mg/kg,雄、雌＞2000㎎/㎏ 。对皮肤无刺激作用，对眼睛有轻微刺激。无致癌、致畸、致突变作用。

用途：水稻田选择性二苯醚类除草剂，只能作茎叶处理，芽前处理无效。

 规格：95%原药；10％乳油；18％乳油