45889-43-8 Usage
Description
1-(2-Hydroxyethyl)-eta-caprolactam, also known as hydroxyethyl caprolactam or HECPL, is an organic chemical compound with the molecular formula C8H15NO2 and a molecular weight of 157.21 g/mol. It is a clear to yellowish liquid with a characteristic odor and is considered a low hazard chemical in terms of health and safety.
Uses
Used in Polymer Production:
1-(2-Hydroxyethyl)-eta-caprolactam is used as a monomer for the production of biodegradable polymers, particularly polyamide-6. This polymer is utilized in various industrial and commercial applications due to its properties such as strength, durability, and resistance to heat and chemicals.
Used in Cross-Linking Agents:
In the chemical industry, 1-(2-Hydroxyethyl)-eta-caprolactam is used as a cross-linking agent for the production of resins, adhesives, and coatings. Its ability to form cross-links between polymer chains enhances the mechanical properties and performance of these materials in their respective applications.
Check Digit Verification of cas no
The CAS Registry Mumber 45889-43-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,5,8,8 and 9 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 45889-43:
(7*4)+(6*5)+(5*8)+(4*8)+(3*9)+(2*4)+(1*3)=168
168 % 10 = 8
So 45889-43-8 is a valid CAS Registry Number.
InChI:InChI=1/C8H15NO2/c10-7-6-9-5-3-1-2-4-8(9)11/h10H,1-7H2
45889-43-8Relevant articles and documents
Efficient nitrogen ring-expansion process facilitated by in situ hemiketal formation. An asymmetric schmidt reaction
Gracias, Vijaya,Milligan, Gregory L.,Aubé, Jeffrey
, p. 8047 - 8048 (1995)
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Ring expansion by in situ tethering of hydroxy azides to ketones: The boyer reaction
Gracias, Vijaya,Frank, Kristine E.,Milligan, Gregory L.,Aube, Jeffrey
, p. 16241 - 16252 (2007/10/03)
Although alkyl azides can react with ketones to form ring- expanded lactams, the reaction suffers from poor generality and the need to use powerful Lewis acid promotion. The reactions of 1,2- and 1,3-hydroxyalkyl azides with ketones yield N-hydroxyalkyl lactams in high yields under the action of protic or Lewis acids such as BF3·OEt2. The reaction appears to succeed due to the initial formation of a hemiketal, which then renders the attack of azide on an oxonium ion intramolecular. The scope of this reaction vis a vis ketone and hydroxyalkyl azide structure is discussed.
