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Chemical Name:

IUPAC: 8-tert-butyl-1,4-dioxaspiro[4.5]decan-2-ylmethyl(ethyl)(propyl)amine

CAS: 8-(1,1-dimethylethyl)-N-ethyl-N-propyl-1,4-dioxaspiro[4.5]decane-2-methanamine

Formula: C18H35NO2

Molecular Weight: 297.5

CAS No.: 118134-30-8



Appearance: light brown oily liquid.

Density/Specific gravity: 0.930g/ml

Melting Point: <-170°C.

Boiling point: decomposition above 120°C.

Flash point: 147°C

Vapour Pressure: 1.7×10-2 Pa (20°C)

Stability: stable for 8 weeks at 54°C

Stable for 52 weeks at 30°C

Stable for 24 months at ambient temperatures

Water solubility: PH 3: >200g/L (20°C)

Isomer A: PH 7: 470mg/L

PH 9: 14mg/L

Isomer B: PH 7:340mg/L

PH9: 10mg/L

Solubility in organic solvents: >200g/l in common organic solvents.

Flammability: not flammable

Specification: 97%TC 250EC 500EC 800EC 75%WDG

Uses: Control of powdery mildew in cereals (Erysiphe graminis), at 500-750 g/ha, and in grapes (Uncinula necator), at 400 g/ha. Also gives good control of rusts (Rhynchosporium and Pyrenophora teres), together with certain side-effects against Septoria diseases. Penetration studies have shown that tank mixes of spiroxamine and triazoles can positively influence the uptake of triazoles in plants.


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