Teflubenzuron manufacturers and suppliers

Teflubenzuron suppliers

Properties

Melting point:: 221-224°

Density: 1.646±0.06 g/cm3(Predicted)

vapor pressure: 8 x 10 -7 mPa (20 °C)

storage temp.: 0-6°C

solubility: DMSO (Slightly), Methanol (Slightly, Heated, Sonicated)

pka: 8.16±0.46(Predicted)

form: Solid

Water Solubility: 0.019 mg l^-1 (23 °C)

color: White to Off-White

Merck: 13,9190

BRN: 8229925

Henry's Law Constant: 6.2×10⁴ mol/(m³Pa) at 25℃, Duchowicz et al. (2020)

Major Application: agriculture
environmental

InChI: 1S/C14H6Cl2F4N2O2/c15-5-4-8(12(20)10(16)11(5)19)21-14(24)22-13(23)9-6(17)2-1-3-7(9)18/h1-4H,(H2,21,22,23,24)

InChIKey: CJDWRQLODFKPEL-UHFFFAOYSA-N

SMILES: Fc1cccc(F)c1C(=O)NC(=O)Nc2cc(Cl)c(F)c(Cl)c2F

LogP: 4.98 at 20℃ and pH4.7

CAS DataBase Reference: 83121-18-0(CAS DataBase Reference)

EPA Substance Registry System: Teflubenzuron (83121-18-0)

Safety Information

Symbol(GHS): GHS08,GHS09

Signal word: Warning

Hazard statements: H373-H410

Precautionary statements: P260-P273-P314-P391-P501

target organs: Liver

PPE: Eyeshields, Gloves, type N95 (US)

RIDADR: 3077

WGK Germany: 2

RTECS: CV3459590

HazardClass: 9

PackingGroup: III

Storage Class: 11 - Combustible Solids

Hazard Classifications: Aquatic Acute 1
Aquatic Chronic 1
STOT RE 2

Toxicity: LD50 orally in rats: >5000 mg/kg (Becher)

REACH Registrations: Active

Use

Method 1 The addition reaction of 2,6-Difluorobenzamide and 2,4-difluoro-3,5-dichlorophenyl isocyanate Method 2 preparation of 2,4-Difluoro-3,5-dichlorophenylamine 2,3,4,5-tetrachloronitrobenzene and Potassium fluoride react in DMF solvent at 140℃ for 15h to obtain 2,4-Difluoro-3,5-dichloronitrobenzene，which is then reduced to 2,4-Difluoro-3,5-dichlorophenylamine Preparation of Teflubenzuron As for the preparation of 2,6-difluorobenzoyl isocyanate, see details in the preparation of Teflubenzuron. 2,6-difluorobenzoyl isocyanate and 2,4-Difluoro-3,5-dichlorophenylamine react at room temperature for 15h to obtain Teflubenzuron As for the nitrification, chlorination, reduction, fluorization and condensation of 1,2,4-Trichlorobenzene to prepare Teflubenzuron, see details in bibliography.

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