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Octylic acid catalyst stannous related introduction
Edit: Taizhou New Material Co., Ltd.Date: 2016-06-24

Octylic acid catalyst stannous (stannous octoate) is a kind of basic catalyst used in the production of polyurethane foam, room temperature curing silicone rubber, polyurethane rubber, polyurethane coating of catalysts. Chemical properties of unstable and vulnerable to oxidation.

Chinese name: chemicals stannous caprylate

English name: chemicals Stannous octoate

Molecular Formula (Formula) : C16H30O4Sn

Molecular Weight, Molecular Weight) : 405.10

CAS No. : 301-10-0

Density: 1.251

Stannous main content: 28 + / - 0.50%


Quality indicators:

Light yellow transparent liquid or paste tan appearance

Chroma (platinum - cobalt color number) 6 or less

The total tin mass fraction of 28.0% or higher

Stannous content of 27.25% or higher

29 (Germany), foreign brands have a Kosmos Nuocure (USA).

Main ingredients:

The content ofAbout stannous 22%, total Tin of 23% emulsifiable concentrate
Appearance and characterWhite or yellow paste
Relative density(Water-=1): 1.251
Flash point (℃)>110
Freezing point-20 ℃
Viscosity (25 ℃)≤380MPa·s
Refractive index1.492
SolubilityInsoluble in water, soluble in petroleum ether, polyol
CorrosiveNo corrosion
ToxicityToxic, have strong neurotoxic, maximum allowable concentration in the air 0.1mg/M3.

Use: used as catalysts for polyurethane synthesis and RTV. Also used as a curing agent for epoxy resin catalyst, stannous octoate than in February when the curing activity of cinnamate catalyzed by di-n-butyltin, if equipped to use them, the effect is better than alone will be able to rate and cure rate. Because of the vulnerability of the bivalent tin compounds in the air of oxygen and water vapor oxidation and decomposition, so the storage to use for nitrogen protection, it must be sealed, avoid high temperature and humidity to prevent decline in activity or failure.

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