Trinexapac-ethyl
Action/Use:
- Plant Growth Regulator
Use:
Used for prevention of lodging in cereals and in winter oilseed rape. Also used in turf to reduce mowing, and as a maturation promoter in sugarcane.
Identification
Common Name(s): Trinexapac (BSI, ISOE, ISOF)
Chemistry
Formula: C13H16O5.
Properties: Yellowish brown liquid (30°C), solid liquid melt (20°C); slight sweet odor. Melting point 36°C. Boiling point <270°C. Vapor pressure 1.6 mPa (20°C), 2.16 mPa (25°C) (OECD 104). Kow logP=1.60 (pH 5.3, 25°C). Solubility at 25°C: in ethanol, acetone, toluene, n-octanol 100%, n-hexane 5%.
Environmental Guidelines
Hazards: Fish: LC50 (96 h) 35-180 mg/l (trout, bluegill sunfish), 142 mg/l (Daphnia). Bird: LD50 >2000 mg/kg (duck, quail); (8 day) LC50 >5000 ppm (duck, quail). Bee: LD50 >293 µg/bee (oral), >115 µg/bee (contact); nontoxic
Water Solubility: At 25°C: 2.8 g/l (pH 4.9), 10.2 g/l (pH 5.5), 21.1 g/l (pH 8.2)
Safety Guidelines
Signal Word: CAUTION
Toxicity Class: III
Toxicity: (Rat): Oral LD50 4460 mg/kg; Dermal LD50 >4000 mg/kg; Inhalation LC50 (48 h) >5.3 mg/l. (Rabbit): Non-irritant to skin, eyes
Protective Clothing: Long-sleeved shirt and long pants. Chemical-resistant gloves. Shoes plus socks. Protective eyewear.
Suppliers and Branded Products
Basic Producers:
Cheminova A/S (Clipless*)
Syngenta (Lesmow*, Moddus*, Palisade*, Podium*, Primo*, Primo* MAXX*, Shortcut*, Spatio*)
Formulators' Trade Names:
Loveland Products, Inc. (Game Up*)
SipcamAdvan (Groom*)
Premix Products:
+ Flurprimidol
- Edgeless* — SePRO Corp.
- Legacy* — SePRO Corp.
