Fluomethuron , Analysis standard , 2164-17-2

Synonym(s):
1,1-Dimethyl-3-[3-(trifluoromethyl)phenyl]urea;Fluomethuron

CAS NO.：2164-17-2

Empirical Formula: C10H11F3N2O

Molecular Weight: 232.2

MDL number: MFCD00018012

EINECS: 218-500-4

PRODUCT Properties

• Melting point: 163°C
• Boiling point: 280 °C
• Density: 1.39
• vapor pressure: 0Pa at 25℃
• storage temp.: 0-6°C
• solubility: Chloroform (Sparingly, Heated), Methanol (Slightly)
• form: Powder
• pka: 14.55±0.70(Predicted)
• color: White
• Water Solubility: Slightly soluble. <0.1 g/100 mL at 21.5 ºC
• Merck: 14,4154
• BRN: 2217354
• LogP: 2.28 at 23.5℃
• CAS DataBase Reference: 2164-17-2(CAS DataBase Reference)
• IARC: 3 (Vol. 30, Sup 7) 1987
• NIST Chemistry Reference: Urea, N,N-dimethyl-N'-[3-(trifluoromethyl)phenyl]-(2164-17-2)
• EPA Substance Registry System: Fluometuron (2164-17-2)

Description and Uses

Fluometuron is a white crystalline solid oftenused in liquid solution that may be flammable. Molecularweight=232.23; Freezing/Melting point=163-165C;Vapor pressure=9.4 3 1027 mmHg at 20C. HazardIdentification (based on NFPA-704 M Rating System):Health 1, Flammability 1, Reactivity 0. Slightly soluble inwater.

Herbicide used to control many annual broad-leaved weeds in sugarcane and cotton

Safety

• Symbol(GHS): GHS07
• Signal word: Warning
• Hazard statements: H302
• Precautionary statements: P301+P312+P330
• Hazard Codes: Xn
• Risk Statements: 22
• RIDADR: UN2767 (Phenyl urea pesti- cides, solid, toxic)
• WGK Germany: 3
• RTECS: YT1575000
• HS Code: 2924.21.0800
• Hazardous Substances Data: 2164-17-2(Hazardous Substances Data)
• Toxicity: LD50 in rats (mg/kg): 8900 orally; in rabbits (mg/kg): >10,000 dermally (Ben-Dyke)