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Trifluralin

Trifluralin structure

CAS No:
1582-09-8
Formula:
C13H16F3N3O4
Chemical Name:
Trifluralin
Synonyms:
Benzenamine,2,6-dinitro-N,N-dipropyl-4-(trifluoromethyl)-;p-Toluidine,α,α,α-trifluoro-2,6-dinitro-N,N-dipropyl-;2,6-Dinitro-N,N-dipropyl-4-(trifluoromethyl)benzenamine;L 36352;Lilly 36,352;2,6-Dinitro-N,N-di-n-propyl-α,α,α-trifluoro-p-toluidine;4-(Di-n-propylamino)-3,5-dinitro-1-(trifluoromethyl)benzene;N,N-Di-n-propyl-2,6-dinitro-4-trifluoromethylaniline;N,N-Dipropyl-4-trifluoromethyl-2,6-dinitroaniline;Treflan;α,α,α-Trifluoro-2,6-dinitro-N,N-di-n-propyl-p-toluidine;α,α,α-Trifluoro-2,6-dinitro-N,N-dipropyl-p-toluidine;Trifluralin;Trifluraline;2,6-Dinitro-4-(trifluoromethyl)-N,N-dipropylaniline;4-(Trifluoromethyl)-2,6-dinitro-N,N-dipropylaniline;2,6-Dinitro-N,N-dipropyl-4-(trifluoromethyl)aniline;Agriflan 24;Olitref;Nitran;Elancolan;Trikepin;Agriflan;Trefanocide;Trifloran;N,N-Dipropyl-2,6-dinitro-4-(trifluoromethyl)aniline;Synfloran;Nitran K;Tristar;Super-Treflan;Biobarrier;Triflurom;Triflurotox;Brassix;Treflan 4E;Trifsan;Premerlin;Zeltoxone;Tefralin;Trilan;Trilan (fungicide);Bayonet;Trilin;Triflurex;(2,6-Dinitro-4-trifluoromethyl-phenyl)-dipropyl-amine;39300-53-3;52627-52-8;61373-95-3;71281-30-6;75635-23-3
Categories:
Organic Chemistry > Amides

Description

Yellowish-orange solid. Insoluble in water; soluble in xylene, acetone, and ethanol. For its use on fruit trees, the plant must not be bearing fruit at the time of application. It may also be used to protect residential ornamental plants, such as trees, herbaceous plants, woody shrubs, and vines.

Trifluralin Basic Attributes

Molecular Weight：

335.27900

Exact Mass：

335.28

EC Number：

216-428-8

HScode：

2921430010

Characteristics

PSA：

94.88000

XLogP3：

5.19460

Appearance：

Trifluralin is a yellow-orange crystalline solid. Denser than water and not soluble in water. Hence sinks in water. Melting point 48.5-49°C. Used as a selective pre-emergence herbicide.

Density：

1.36 g/cm³ @ Temp: 22 °C

Melting Point：

46-47 °C

Boiling Point：

139-140 °C @ Press: 4.2 Torr

Flash Point：

177ºC

Refractive Index：

1.527

Water Solubility：

Freely soluble in Stoddard solvent (Windholz et al., 1983), chloroform, methanol;Solubility in water, mg/l at 20°C: 0.2 (very poor)

Storage Conditions：

APPROX 4ºC

Vapor Pressure：

1.21E-05mmHg at 25°C

Toxicity：

LD50 orally in rats: 500 mg/kg (Goldenthal)

Odor：

No appreciable odor

Safety Information

Packing level：

III

Hazard category：

Transport codes：

UN 2588

wgk germany：

hazard class code：

R36; R43; R50/53

safety instructions：

S2-S24-S37-S60-S61

RTECS Number：

XU9275000

Marks：

Storage features：

Provision to contain effluent from fire extinguishing. Separated from food and feedstuffs. Store only in original packaging. Store in an area without drain or sewer access.

Stability/Shelf Life：

Stable though susceptible to decomposition by ultraviolet radiation.

Precautionary statement(s)：

P261-P273-P280-P304 + P340 + P312-P333 + P313-P403 + P233

Hazard Statements：

H302-H317-H331-H351-H410

Trifluralin Use and Manufacturing

Trifluralin is a selective, pre-emergence herbicide used to control many annual grasses and broadleaf weeds in a large variety of tree fruit, nut, vegetable, and grain crops, including soybeans, sunflowers, cotton, and alfalfa. It is also used on rights-of-way, on set-aside land (i.e., arable land temporarily taken out of use). A general use pesticide (GUP). Not approved for use in EU countries . Registered for use in the U.S.

Computed Properties

Molecular Weight:335.28
XLogP3:5.3
Hydrogen Bond Acceptor Count:8
Rotatable Bond Count:5
Exact Mass:335.10929049
Monoisotopic Mass:335.10929049
Topological Polar Surface Area:94.9
Heavy Atom Count:23
Complexity:392
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

Material

Nitric acid

Sulfuric acid

Hydrofluoric acid

1-Chloro-2,4-dinitrobenzene

1-Chloro-4-(trifluoromethyl)benzene

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