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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

form: Solid

pka: 13.74±0.70(Predicted)

color: Dark brown, blue-black

Water Solubility: 0.1g/L(25 ºC)

Merck: 13,7908

BRN: 2209666

Henry's Law Constant: 5.4×10¹ mol/(m³Pa) at 25℃, Duchowicz et al. (2020)

Major Application: agriculture

InChI: 1S/C10H13NO2/c1-8(2)13-10(12)11-9-6-4-3-5-7-9/h3-8H,1-2H3,(H,11,12)

InChIKey: VXPLXMJHHKHSOA-UHFFFAOYSA-N

SMILES: CC(C)OC(=O)Nc1ccccc1

CAS DataBase Reference: 122-42-9(CAS DataBase Reference)

IARC: 3 (Vol. 12, Sup 7) 1987

NIST Chemistry Reference: Carbamic acid, phenyl-, 1-methylethyl ester(122-42-9)

EPA Substance Registry System: Propham (122-42-9)

Safety Information

Symbol(GHS): GHS07

Signal word: Warning

Hazard statements: H302

Precautionary statements: P301+P312+P330

target organs: Eyes

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: TSCA listed

HS Code: 29242990

Storage Class: 3 - Flammable liquids

Hazard Classifications: Acute Tox. 3 Dermal
Acute Tox. 3 Inhalation
Acute Tox. 3 Oral
Flam. Liq. 2
STOT SE 1

Hazardous Substances Data: 122-42-9(Hazardous Substances Data)

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).