Molluscicide Metaldehyde 5% G

Detailed Product Description

Molluscicide:Metaldehyde 5% G

Composition Metaldehyde is a tetramer of acetaldehyde; it is sometimes, incorrectly, referred to as a homopolymer of acetaldehyde. 

Mol. wt. 176.2 (tetramer) 

M.f. C8H16O4 (tetramer); (C2H4O)x (homopolymer) 

Form Crystalline powder. 

M.p. 246 (sealed tube) 

B.p. Sublimes at 112-115 (atmospheric pressure), with partial depolymerisation 

V.p. 6.6 ?103 mPa (25 ) 

KOW logP = 0.12  Henry 3.5 Pa m3 mol-1 (calc.) 

S.g./density 1.27 (20 ) 

Solubility In water 222 mg/l (20 ). In toluene 530, methanol 1730 (both in mg/l, 20 ). 

Stability Depolymerises and sublimes above 112 .  F.p. 50-55 (Abel-Pensky closed cup) 

Mode of action

Molluscicide with contact and stomach action. Metaldehyde-poisoned slugs secrete large quantities of slime, desiccate and die. Their mucus cells are irreversibly destroyed. 

Uses

Control of slugs and snails in agriculture and horticulture. 

Phytotoxicity Non-phytotoxic when used as recommended.