Propham manufacturers and suppliers

Propham suppliers

Properties

Melting point:: 90°C

Boiling point:: 311.75°C (rough estimate)

Density: 1.0900

refractive index: 1.4989 (estimate)

Flash point:: 11 °C

storage temp.: APPROX 4°C

pka: 13.74±0.70(Predicted)

form: Solid

color: Dark brown, blue-black

Water Solubility: 0.1g/L(25 ºC)

Merck: 13,7908

BRN: 2209666

Safety Information

Symbol(GHS): GHS07

Signal word: Warning

Hazard statements: H302

Precautionary statements: P301+P312+P330

Hazard Codes: F,T,Xn

Risk Statements: 36/37/38-39/23/24/25-23/24/25-11-22

Safety Statements: 26-36-45-16-7-36/37

RIDADR: UN 1230 3/PG 2

WGK Germany: 3

RTECS: FD9100000

TSCA: Yes

HS Code: 29242990

Toxicity: LD50 in male, female rats (mg/kg): 3724, 4315 orally (Gaines, Linder)

Use

Biological. Rajagopal et al. (1989) reported that Achromobacter sp. and an Arthrobacter sp. utilized propham as a sole carbon source. Metabolites identified were Nphenylcarbamic acid, aniline, catechol, monoisopropyl carbonate, 2-propanol and carbon dioxide (Rajagopal et al., 1989). Soil. Readily degraded by soil microorganisms forming aniline and carbon dioxide (Humburg et al., 1989). The reported half-life in soil is approximately 15 and 5 days at 16 and 29°C, respectively (Hartley and Kidd, 1987). Groundwater. According to the U.S. EPA (1986) propham has a high potential to leach to groundwater. Plant. The major plant metabolite which was identified from soybean plants is isopropyl N-2-hydroxycarbanilate (Hartley and Kidd, 1987; Humburg et al., 1989). Chemical/Physical. Hydrolysis of propham yields N-phenylcarbamic acid and 2-propanol. The acid is very unstable and is spontaneously decomposed to form aniline and carbon dioxide (Still and Herrett, 1976). Emits toxic fumes of nitrogen oxides when heated to decomposition (Sax and Lewis, 1987).

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