Chlorsulfuron

The IUPAC name of Chlorsulfuron is 1-(2-chlorophenyl)sulfonyl-3-(4-methoxy-6-methyl-1,3,5-triazin-2-yl)urea. With the CAS registry number 64902-72-3, it is also named as Benzenesulfonamide, 2-chloro-N-(((4-methoxy-6-methyl-1,3,5-triazin-2-yl)amino)carbonyl)-. The classification codes are Agricultural Chemical; Herbicide; Herbicides; Pesticides. It is colorless crystal that the solubility is as follows: methylene chloride 102g / L, acetone 57g / L, methanol 4g / L, toluene 3g / L, hexane 10mg / L, water 100～125mg/L (pH=4.1), 27.9g/L (pH=7) at 25 °C. Additioanlly, this chemical should be sealed in the container and stored in the cool and dry place.

The other characteristics of this product can be summarized as: (1)ACD/LogP: 2.14; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 0.35; (4)ACD/LogD (pH 7.4): 0.14; (5)ACD/BCF (pH 5.5): 1; (6)ACD/BCF (pH 7.4): 1; (7)ACD/KOC (pH 5.5): 5.64; (8)ACD/KOC (pH 7.4): 3.5; (9)#H bond acceptors: 9; (10)#H bond donors: 2; (11)#Freely Rotating Bonds: 2; (12)Index of Refraction: 1.617; (13)Molar Refractivity: 81.54 cm³; (14)Molar Volume: 232.8 cm³; (15)Polarizability: 32.32×10^-24 cm³; (16)Surface Tension: 72.4 dyne/cm; (17)Rotatable Bond Count: 4; (18)Tautomer Count: 9; (19)Exact Mass: 357.029852; (20)MonoIsotopic Mass: 357.029852; (21)Topological Polar Surface Area: 132; (22)Heavy Atom Count: 23; (23)Complexity: 514.

Preparation of Chlorsulfuron: It can be obtained by the addition reaction of 2-Chlorobenzenesulfonyl isocyanate and 2-amino-4-methoxy-6-methyl-1,3,5-triazine.

Uses of Chlorsulfuron: It is used to control most broadleaf weeds, such as Cardamine, shepherd's purse, Stellaria alsine, Vetch, nest dishes, Polygonum in wheat, barley, rye, oats and flax field. It also can control barnyard grass, bluegrass, crabgrass, Setaria, and other grass weeds.

When you are using this chemical, please be cautious about it as the following:
It is very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. If you want to contact this product, you must wear suitable protective clothing. This material and its container must be disposed of as hazardous waste. Avoid release to the environment. Refer to special instructions / safety data sheets.

People can use the following data to convert to the molecule structure.
1. SMILES:Clc1ccccc1S(=O)(=O)NC(=O)Nc2nc(nc(OC)n2)C
2. InChI:InChI=1/C12H12ClN5O4S/c1-7-14-10(17-12(15-7)22-2)16-11(19)18-23(20,21)9-6-4-3-5-8(9)13/h3-6H,1-2H3,(H2,14,15,16,17,18,19)

The following are the toxicity data which has been tested.