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Iodocyanoacetylene, also known as ICN-C≡CH, is an organoiodine compound characterized by the presence of an iodine atom and a cyano group attached to an acetylene backbone. This colorless, volatile liquid is a valuable reagent in organic synthesis, particularly for the preparation of various heterocyclic compounds and pharmaceuticals. Iodocyanoacetylene is synthesized through the reaction of acetylene with iodine monochloride and potassium cyanide. It is sensitive to light and moisture, necessitating storage under an inert atmosphere. Due to its reactivity, it is used in the formation of various functional groups and has applications in the synthesis of agrochemicals and materials science.

2003-32-9

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2003-32-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 2003-32-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,0,0 and 3 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 2003-32:
(6*2)+(5*0)+(4*0)+(3*3)+(2*3)+(1*2)=29
29 % 10 = 9
So 2003-32-9 is a valid CAS Registry Number.
InChI:InChI=1/C3IN/c4-2-1-3-5

2003-32-9SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 18, 2017

Revision Date: Aug 18, 2017

1.Identification

1.1 GHS Product identifier

Product name 3-iodoprop-2-ynenitrile

1.2 Other means of identification

Product number -
Other names 1-Cyano-2-iodoethyne

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:2003-32-9 SDS

2003-32-9Relevant academic research and scientific papers

1-Iodoacetylenes. Part 2. Formation Constants of their Complexes with Lewis Bases

Laurence, Christian,Queignec-Cabanetos, Michele,Wojtkowiak, Bruno

, p. 1605 - 1610 (2007/10/02)

Formation constants of the complexes of 1-iodoacetylenes (1)-(8) with Lewis bases (9)-(15) have been measured in solution by i.r. spectrophotometry.The stoichiometry of the complexes, the influence of the solvent on the equilibrium position, the existence of linear free energy relationships in the series of iodinated Lewis acids RI, where R=I, Br, Cl, CN, and CCX, and the relation between i.r. frequency shifts and stability constants are discussed.With any electron donor, 1-iodoacetylenes form less stable complexes than those formed by iodine cyanide.With hard bases, iodocyanoacetylene (8) and ethyliodopropiolate (7) give complexes wich are, respectively, more stable than and as stable as those with iodine; however, iodine complexes with soft bases are more stable.This is rationalized, in terms of empirical acidity scales, by the necessity to correlate the thermodynamic and spectroscopic properties of the RI complexes by a double scale equation.

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