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Pendimethalin

Pendimethalin structure

CAS No:
40487-42-1
Formula:
C13H19N3O4
Chemical Name:
Pendimethalin
Synonyms:
Benzenamine,N-(1-ethylpropyl)-3,4-dimethyl-2,6-dinitro-;N-(1-Ethylpropyl)-3,4-dimethyl-2,6-dinitrobenzenamine;Prowl;AC 92553;Stomp;Penoxalin;N-(1-Ethylpropyl)-2,6-dinitro-3,4-xylidine;Penoxaline;Pendimethalin;3,4-Dimethyl-2,6-dinitro-N-(1-ethylpropyl)aniline;Phenoxalin;Stomp 330E;Stomp 330D;Stomp 330;N-(1-Ethylpropyl)-3,4-dimethyl-2,6-dinitroaniline;Accotab;Pendimethaline;SWGC;Southern Weed Grass Control;Herbadox;Pendulum;3,4-Dimethyl-2,6-dinitro-N-(1′-ethylpropyl)aniline;Prowl 3.3;Acumen;Pendimax;Most Micro;Ornamental Weedgrass Control;OWC;Panida;Panida 330EC;Prowl 400;Stomp 330EC;Activus EC;Gogosan;3,4-Dimethyl-2,6-dinitro-N-(3-pentanyl)aniline;3,4-Dimethyl-2,6-dinitro-N-(pentan-3-yl)aniline;Prowl H2O;Stomp Aqua;39336-60-2;64667-17-0;64719-41-1;155421-40-2
Categories:
Agrochemicals > Herbicides

Description

Pendimethalin(PM) is a dinitroaniline herbicide, commonly used for the pre-emergence control of seedling grass and broad-leaved weeds in several broad-leaved crops and in corn, sugar cane and spring wheat. The primary mode of action of all herbicides from this group is by inhibition of cell mitosis that represses development of roots and shoots. PM selectivity is based on avoiding contact between the herbicide and the roots of the desired plants. As all dinitroaniline herbicides, it is highly v

Pendimethalin Basic Attributes

Molecular Weight：

281.30800

Exact Mass：

281.31

EC Number：

254-938-2

HScode：

2921499013

Characteristics

PSA：

103.67000

XLogP3：

4.83970

Appearance：

Pendimethalin appears as orange-yellow crystals. Non corrosive. Used as an herbicide.

Density：

1.19 g/cm³ @ Temp: 25 °C

Melting Point：

56-57 °C

Boiling Point：

330 °C

Flash Point：

208.4ºC

Refractive Index：

1.551

Water Solubility：

In water, 0.33 mg/L at 20 deg C

Storage Conditions：

APPROX 4ºC

Vapor Pressure：

9.4X10-6 mm Hg at 25 deg C

Toxicity：

LC50 (96-hour) for rainbow trout 138 μg/L and bluegill sunfish 199 μg/L; acute oral LD50 of the technical product for male and female rats 1,250 and 1,050 mg/kg, respectively (Ashton and Monaco, 1991)

Odor：

Faint, nutty odor

Safety Information

Packing level：

Hazard category：

6.1

Transport codes：

UN3077 9/PG 3

wgk germany：

hazard class code：

R43; R50/53

safety instructions：

S2; S24; S29; S37; S60; S61; S45; S16; S7

RTECS Number：

GB2958300

Marks：

Stability/Shelf Life：

Very stable in storage. Stable to acids and alkalis. Slowly decomposed by light.

Precautionary statement(s)：

P273-P280-P501

Hazard Statements：

H317-H410

Pendimethalin Use and Manufacturing

Selective herbicide. Preemergence or postemergence in field corn, preemergence or postemergence incorporated use in potatoes, early postemergence use in rice, postemergence incorporated use in sorghum and preplant incorporated use in cotton, soybeans, tobacco, peanuts and sunflowers, controls most annual grasses and certain broadleaf weeds.

Computed Properties

Molecular Weight:281.31
XLogP3:5.2
Hydrogen Bond Donor Count:1
Hydrogen Bond Acceptor Count:5
Rotatable Bond Count:4
Exact Mass:281.13755610
Monoisotopic Mass:281.13755610
Topological Polar Surface Area:104
Heavy Atom Count:20
Complexity:349
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

Material

Chlorobenzene

Ethyl ketone

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