557-09-5

Basic information

• Product Name: ZINC CAPRYLATE
• Synonyms: zincoctylate;ZINC CAPRYLATE;ZINC OCTOATE;Zinkdioctanoat;ZINC OCTOATE: 9% IN POLYDIMETHYLSILOXANE;9% IN POLYDIMETHYLSILOXANE;Caprylic acid zinc salt;Dioctanoic acid zinc salt
• CAS NO: 557-09-5
• Molecular Formula: 2C₈H₁₅O₂*Zn
• Molecular Weight: 351.8
• EINECS: 209-156-6
• Product Categories: Organic-metal salt
• Mol File: 557-09-5.mol
• Article Data: 7

Chemical Properties

• Melting Point: 136°
• Boiling Point: 239.3 °C at 760 mmHg
• Flash Point: 107.4 °C
• Appearance: /white hygroscopic crystals
• Density: 1.19 g/cm3
• Vapor Pressure: 0.022mmHg at 25°C
• Water Solubility: slightly soluble boiling H2O; soluble boiling alcohol [HAW93]
• Stability: Stable. Avoid moisture.
• CAS DataBase Reference: ZINC CAPRYLATE(CAS DataBase Reference)
• NIST Chemistry Reference: ZINC CAPRYLATE(557-09-5)
• EPA Substance Registry System: ZINC CAPRYLATE(557-09-5)

Safety Data

• Statements: 36/37/38
• Safety Statements: 26-36/37/39
• Hazardous Substances Data: 557-09-5(Hazardous Substances Data)

Usage

Chemical Properties

Lustrous scales. Decomposes in moist atmosphere giving off caprylic acid. Slightly soluble in boiling water; fairly soluble in boiling alcohol.

Uses

As fungicide like zinc propionate.

Flammability and Explosibility

Notclassified

Clinical Use

Zinc caprylate is a fine white powder that is insoluble inwater or alcohol. The compound is used as a topical fungicide.The salt is highly unstable to moisture.

Purification Methods

It crystallises from EtOH in plates. [Howarth J Chem Soc 1406 1929, Beilstein 2 H 284.]

InChI:InChI=1/2C8H16O2.Zn/c2*1-2-3-4-5-6-7-8(9)10;/h2*2-7H2,1H3,(H,9,10);/q;;+2/p-2

Upstream product

• 557-34-6 zinc diacetate 
• 764-71-6 potassium octanoate 
• 124-07-2 Octanoic acid 
• 10196-18-6 zinc(II) nitrate 
• 743369-26-8 zinc(II) carbonate 
• 137-30-4 bis(dimethylcarbamodithioato-κS,κS')zinc(II) 
• 53202-59-8 tetramethylammonium octanoate 
• 1984-06-1 sodium caprylate 

Relevant articles and documents

Anhydrous polymeric zinc(II) octanoate

The structure of the title compound, poly[zinc(II)-bis(μ-octanoato-O:O′)], [Zn(C8H15O2)2]n, consists of polymeric sheets parallel to (100) in which tetrahedrally coordinated Zn2+ cations are connected by carboxylate bridges in a synanti arrangement.

Phase diagrams and optical properties of binary liquid-crystal systems of cobalt(II) caprylate with a divalent metal caprylate

Phase equilibria in the binary systems of cobalt(II) caprylate with a divalent metal (lead, cad- mium, or zinc) caprylate were studied by differential thermal analysis and polarization microscopy, and the concentration and temperature ranges of the existence of liquid crystals and glasses were determined. Con- tinuous or boundary smectic liquid-crystal solutions were found to form in all the systems. The temperature and concentration dependences of the electronic absorption spectra of liquid crystals and glasses in binary systems based on cobalt caprylate were investigated. Pleiades Publishing, Ltd., 2012.

Influence of the spatial structure of the alkyl chain on the composition of the product of the direct neutralization reaction between aliphatic carboxylic acids and zinc hydroxide

A study was launched to clarify the influence of the spatial structure of the alkyl chain on the products of the direct neutralization reactions between zinc hydroxide and several non-cyclic saturated carboxylic acids in the presence of an excess of either the carboxylic acid or zinc hydroxide. The species formed were identified on the basis of their FT-IR spectra in the mid-IR region. Straight-chain acids produced the corresponding zinc bis-carboxylates with polymeric sheet structure under all circumstances. The species present in the products of the branched-chain carboxylic acids depended strongly on the nature of the component in excess and the bulk of the alkyl group. Besides the starting materials the reaction mixtures contained two carboxylate species in various ratios. One of them was the zinc bis-carboxylate of the branched-chain carboxylic acid, characterized by an additional νC=O band at around 1630 cm-1, above the usual two strong carboxylate stretching bands. The other species was the corresponding complex Zn4O(RCOO)6. The conditions of formation of these three forms of zinc carboxylates were formulated on the basis of the decreasing possibility of interaction between the neighbouring alkyl chains to form a polyethylene subcell in the sequence of: Zn(RCOO)2 (polymeric sheet) > Zn(RCOO)2 (intermediate form) > Zn4O(RCOO)6 (tetranuclear complex).