112-96-9 Usage
Description
Octadecyl isocyanate, also known as n-octadecyl isocyanate, is an organic compound with the chemical formula C19H39NCO. It is a versatile reagent used for surface modification and synthesis of various materials.
Uses
Used in Surface Modification:
Octadecyl isocyanate is used as a reagent for the surface modification of poly(Me methacrylate) (PMMA) to form PMMA surfaces terminated with well-ordered and highly crystalline octadecane chains.
Used in Nanocomposites:
Octadecyl isocyanate is used as a modifier for cellulose nanocrystals in the synthesis of poly(butylene adipate-co-terephthalate) (PBAT) based nanocomposites. This modification improves the mechanical and rheological properties of the nanocomposites.
Used in Polyurethane Composites:
Octadecyl isocyanate is used as a modifier for lignin to effectively incorporate the lignin fillers in the polyurethane matrix to prepare composites.
Used in Synthesis of Unsymmetrical Urea Derivatives:
Octadecyl isocyanate can be reacted with various amines to synthesize a variety of unsymmetrical urea derivatives.
Used in Chemical Modification of Cellulose Nanocrystals:
Octadecyl isocyanate is used for the chemical modification of the surface of cellulose nanocrystals to promote interfacial filler/matrix interactions.
Used in Hemocompatibility Assay:
Octadecyl isocyanate is used for the chemical modification of poly (2-hydroxyethyl methacrylate) (pHEMA) films to investigate in vitro hemocompatibility assays using freshly drawn human whole blood.
Used in Modification of Cellulose Nanocrystals and Microfibrillated Cellulose (MFC):
Octadecyl isocyanate is used for the chemical modification of cellulose nanocrystals (or whiskers) and microfibrillated cellulose (MFC) to improve their properties and applications in various industries.
Safety Profile
Poison by intravenous
route. A flammable liquid. When heated to
decomposition it emits toxic fumes of NOx.
See also ISOCYANATES.
Check Digit Verification of cas no
The CAS Registry Mumber 112-96-9 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 1,1 and 2 respectively; the second part has 2 digits, 9 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 112-96:
(5*1)+(4*1)+(3*2)+(2*9)+(1*6)=39
39 % 10 = 9
So 112-96-9 is a valid CAS Registry Number.
InChI:InChI=1/C19H37NO/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-20-19-21/h2-18H2,1H3
112-96-9Relevant articles and documents
Sensitized photolysis of stearic acid azide
Budruev,Oleinik
, p. 521 - 524 (2011)
In an IR-spectroscopic study of the sensitized photolysis of stearic acid azide in a solution of benzene, it was found that the introduction of Michler's ketone into the system decreased the efficiency of isocyanate formation by a factor of about 10. It was hypothesized that the azide photolysis in the presence of Michler's ketone can be explained by the formation of a complex of the acyl azide with the ketone in a triplet excited state, a displacement of electron density from the acyl azide group, and its degradation with the formation of a triplet acylnitrene, which is incapable of rearranging into isocyanate.
WATER-SOLUBLE POLYSACCHARIDE ETHERS AND THEIR USE
-
, (2012/09/25)
The invention relates to modified polysaccharide ethers having a weight-averaged molecular weight of 40000 to 50000 g/mole, zero shear viscosity of more than 10 Pas, and pseudoplasticity of more than 20, obtainable by reacting cellulose-based polysaccharide ether(s) with at least one mesogenic modification agent or modified polysaccharide ethers, obtainable by reacting polysaccharide ether(s) selected from the group consisting of hydroxypropylmethyl cellulose (HPMC), hydroxyethylmethyl cellulose (HEMC), methyl cellulose, and cellulose ethers with methyl and/or ethyl and/or propyl groups and mixtures thereof, with at least one mesogenic modification agent. Said substances can be used to produce gel-like to stable aqueous preparations having viscoelastic flow properties, which are suited for use in the human body, particularly within the scope of ophthalmologic procedures.
Phase change ink formulation
-
, (2008/06/13)
Colored waxes are made by reacting selected nucleophiles, including alcohol containing colorants with an isocyanate are disclosed. A phase change ink is made by blending the colored wax with a clear ink carrier composition. The clear ink carrier composition can be a fatty amide-based material and/or a combination of isocyanate-derived resins in which the order ofaddition of the isocyanate and the different nucleophiles can tailor the distribution of di-urethane, mixed urethane/urea, and/or diurea molecules in the final resin product. The colored wax materials are useful as ingredients with phase change ink carrier compositions to make phase change ink jet inks.