oryzalin
Common Name:


oryzalin


 

CAS RN:

19044-88-3

IUPAC Name:

3,5-二硝基-N',N'-二丙基磺胺;3,5-二硝基-N4,N4-丙基磺胺;N,N-二丙基-4-氨基磺酰基-2,6-硝基苯胺。

M.f.:

C12H18N4O6S

Chemical Structural Formula:


Mol. Wt.: 346.35952
Form:
Tech. forms yellow-orange crystals
Properties:
M.p. 141°C, B.p. Decomp. at 265 °C, V.p. 0.013mPa (25 °C). Kow logP = 3.73 (pH 7), Henry <1.73 × 10-4 Pa m3 mol-1 (25 °C, calc.) S.g./density 1.2 g/cm3 (25 °C), Solubility in water 2.6 mg/l (25 °C). Solubility in water 2.6 mg/l (25 °C). In acetone >500, methyl cellosolve 500, acetonitrile >150, methanol 50, dichloromethane >30, benzene 4, xylene 2 (all in g/l, 25 °C). Insoluble in hexane. Stability: Stable under normal storage conditions. Does not hydrolyse in aqueous solution at pH 5, 7 or 9. Decomposed by uv irradiation; aqueous photolysis DT50 1.4 h in natural sunlight. pKa 9.4, weak acid.
Composition:
98%
Packaging Specification: 25kg fiber drum
Preparation Products: 480g/L, 360g/L EC