ENDOTHAL manufacturers and suppliers

ENDOTHAL suppliers

Properties

Melting point:: 179-180℃

Boiling point:: 447.8±40.0 °C(Predicted)

Density: 1.431 g/cm³

storage temp.: +2C to +8C

solubility: DMF: 15 mg/ml,DMSO: 15 mg/ml,Ethanol: 15 mg/ml,PBS (pH 7.2): 0.2 mg/ml

form: White solid

pka: 3.62±0.40(Predicted)

color: White to off-white

Water Solubility: Soluble in water (>25 mg/ml), methanol, acetone, and DMSO. Insoluble in benzene.

Henry's Law Constant: 2.6×10¹⁰ mol/(m³Pa) at 25℃, Duchowicz et al. (2020)

Stability:: Hygroscopic

CAS DataBase Reference: 145-73-3(CAS DataBase Reference)

EPA Substance Registry System: Endothall (145-73-3)

Safety Information

Symbol(GHS): GHS06

Signal word: Warning

Hazard statements: H301-H312-H315-H319-H335

Precautionary statements: P261-P280-P301+P310a-P305+P351+P338-P405-P501a

Hazard Codes: T

Risk Statements: 21-25-36/37/38

Safety Statements: 36/37/39-45

RIDADR: UN 2811 6.1/PG 2

WGK Germany: 1

RTECS: RN7875000

HazardClass: 6.1(a)

PackingGroup: II

Hazardous Substances Data: 145-73-3(Hazardous Substances Data)

Toxicity: LD50 in adult male, female rats (mg/kg): 57, 46 orally (Gaines, Linder)

Use

Biological. Incubation of 14C-ring labeled endothall (10 mg/mL) by Arthrobacter sp., which was isolated from pond water and a hydrosol, in aerobic sediment-water suspensions revealed that after 30 days, 40% evolved as 14CO2. Glutamic acid was the major transformation product. Minor products were alanine, citric and aspartic acids and unidentified products, some of which were tentatively identified as phosphate esters (Sikka and Saxena, 1973). In pond water treated with endothall (2 and 4 ppm), detectable levels were found after 7 days (Sikka and Rice, 1973). Biodegradation was rapid in an Ontario soil sample. After 1 week, 70% of endothall added was converted to carbon dioxide (Simsiman et al., 1976). Chemical/Physical. Reacts with bases forming water-soluble salts. Above 90°C, endothall is slowly converted to the anhydride (Windholz et al., 1983; Hartley and Kidd, 1987) and water (Humburg et al., 1989). Endothall is stable to light (Hartley and Kidd, 1987).

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