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N-(6-aminohexyl)-6-oxoheptanamide

Nylon 6|6

CAS: 32131-17-2

Molecular Formula: C36H66N6O6

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N-(6-aminohexyl)-6-oxoheptanamide - Names and Identifiers

Name Nylon 6|6
Synonyms PA-66
PA-66
Poly(hexamethylene adipamide)
N-(6-aminohexyl)-6-oxoheptanamide
Poly(hexamethylene dodecanediamide)
CAS 32131-17-2
InChI InChI=1/C13H26N2O2/c1-12(16)8-4-5-9-13(17)15-11-7-3-2-6-10-14/h2-11,14H2,1H3,(H,15,17)

N-(6-aminohexyl)-6-oxoheptanamide - Physico-chemical Properties

Molecular FormulaC36H66N6O6
Molar Mass678.946
Density0.969g/cm3
Melting Point250-260℃
Boling Point452.1°C at 760 mmHg
Flash Point227.2°C
Vapor Presure2.31E-08mmHg at 25°C
Storage ConditionRoom Temprature
Refractive Index1.468
Physical and Chemical Properties
mp (°C):
254
density:
1.09
nd:
1.565 - 0
UseUsed in the manufacture of machinery, automotive, chemical and electrical equipment parts, wear-resistant, high-strength parts, can also be made of packaging film materials

N-(6-aminohexyl)-6-oxoheptanamide - Risk and Safety

Safety DescriptionS24/25 - Avoid contact with skin and eyes.
WGK Germany3

N-(6-aminohexyl)-6-oxoheptanamide - Upstream Downstream Industry

Raw MaterialsAdipic acid
N,N'-di-sec-butyl-1,4-phenylenediamine

N-(6-aminohexyl)-6-oxoheptanamide - Nature

Open Data Verified Data

polyhexamethylene adipamide, also known as polyamide 66(PA66) or nylon 66, is prepared from adipic acid and hexamethylene diamine by polycondensation. Nylon 66 is a translucent or opaque milky white crystalline polymer, which will be purple-white or blue-white light when irradiated by ultraviolet light. It has high mechanical strength and good stress cracking resistance, excellent self-lubricating, second only to Polytetrafluoroethylene and polyoxymethylene, heat resistance is also good (Nylon 66 thermal decomposition temperature higher than 350 ℃, embrittlement temperature -30 ℃), is a self-extinguishing material, good chemical stability, especially excellent oil resistance, but soluble in phenol, formic acid and other polar solvents, adding carbon black can improve the weather resistance; Water absorption (the balance of water absorption in the atmosphere is 2.5%), and thus poor dimensional stability, good molding processability, can be used for injection molding, extrusion, blow molding, spraying, casting molding, machining, welding, bonding.

Last Update：2024-01-02 23:10:35

N-(6-aminohexyl)-6-oxoheptanamide - Preparation Method

Open Data Verified Data
  1. monomer preparation (1) phenol method phenol is hydrogenated to form cyclohexanol, and then oxidized with nitric acid to form adipic acid. Ammoniation and dehydration of adipic acid to give hexanedicyanide, and hydrogenation to give hexamethylene diamine. (2) cyclohexane oxidation method cyclohexane is oxidized by air to form a mixture of cyclohexanol and cyclohexanone, and then oxidized by nitric acid to form adipic acid (there are also methods for generating adipic acid by one-step oxidation of cyclohexane). The same procedure used for the phenol process was to make hexamethylenediamine from adipic acid. (3) butadiene butadiene chlorination to generate dichlorobutene, cyanobutene by cyanation, and Cyanogen to generate hexandicyanide. Hexamethylene diamine is formed by the oxidation of hexamethylene dicyanide. Adipic acid can be prepared by the first two methods. (4) acrylonitrile electrolysis acrylonitrile electrolytic reduction dimerization to generate adiponitrile, and hydrogenation to generate hexamethylene diamine. (5) hexanediol method cyclohexane is oxidized to give cyclohexanol and cyclohexanone. After separation, cyclohexanol is dehydrogenated to give cyclohexanone, which is oxidized with peracetic acid to give caprolactone, and then hydrogenated to give hexanediol. Hexanediol is aminated to hexamethylene diamine.
  2. condensation polymerization adipic acid and hexamethylene diamine in ethanol at 60 ° C. And nylon 66 salt in an equal amount ratio. The nylon 66 salt was polycondensed at 280 ° C. Under a pressure of 1.76-1.96MPA to obtain a nylon 66 resin. It is also possible to directly polycondense adipic acid and hexamethylene diamine in an aqueous solution in an equal amount to form nylon 66 resin.
Last Update：2022-01-01 11:09:15

N-(6-aminohexyl)-6-oxoheptanamide - Use

Open Data Verified Data

Industrial nylon 66 is widely used to make a variety of mechanical, automotive, chemical, electronic and electrical components, particularly suitable for high-strength or wear-resistant parts, such as a variety of gears, rollers, pulleys, roller shaft, bearing, impeller in pump body, fan blade, high pressure sealing ring, valve seat, gasket, Bushing, various shells, tool handle, support frame, cable cover, car lamp cover, etc. In the electronic equipment, relay and other electrical equipment in the production of parts, elevator guide rail, building decoration with the armrest. In the medical equipment, sports goods and daily necessities are also widely used, such as baseball bat, ski and so on. It can also be made into a film and aluminum foil to form a composite film for food packaging, such as soft packaging cans, beverages and so on.

Last Update：2022-01-01 11:09:16

N-(6-aminohexyl)-6-oxoheptanamide - Safety

Open Data Verified Data

three-layer packaging with two layers of PVC bag and one layer of woven bag. 25kg net weight per bag. Storage in a dry place.

Last Update：2022-01-01 11:09:16

N-(6-aminohexyl)-6-oxoheptanamide - Molding Process

Open Data Verified Data

can be injection, extrusion molding, but also flow bed spraying, flame spraying, various mechanical cutting and other methods for processing. Before processing must be at 80 deg C vacuum drying 24~48H. The extrusion molding adopts graded screws of unequal distance and depth, with a compression ratio of 34:1. The rear part of the barrel is 245~255 ℃, the middle part is 258~275 ℃, the front part is 260~280 ℃, and the head is 255~280 ℃, die 255~260 ℃, material 260~275 ℃. The injection molding temperature is 240~300 ℃, and the injection pressure is 70~120 MPa.

Last Update：2022-01-01 11:09:15

N-(6-aminohexyl)-6-oxoheptanamide - Reference Information

дёӯж–ҮеҗҚз§°:иҒҡе·ұдәҢй…°е·ұдәҢиғә
дёӯж–ҮеҗҢд№үиҜҚ:иҒҡе…ӯдәһз”Іе·ұдәҢйҶҜиғә;иҖҗз¶ё-66;е°јйҫҷ-66;е°јйҫҷ66;е°јйҫҷ66ж‘и„Ӯ;иҒҡй…°иғә-66;иҒҡе·ІдәҢй…°е·ұдәҢиғә;й”Ұзә¶-66
иӢұж–ҮеҗҚз§°:NYLON 6/6
иӢұж–ҮеҗҢд№үиҜҚ:Poly[imino(1,6-dioxo-1,6-hexanediyl)imino-1,6-hexanediyl];[-CO(CH2)4CONH(CH2)6NH-]n;Nylon 6/6,Poly(N,NвҖІ-hexamethyleneadipinediamide, Poly(hexamethylene adipamide);Nylon 6/6 pellets;N-Hexyladipamide Powder;Nylon 66 powder;Nylon-66 powder;HEXAMETHYLENE ADIPAMIDE POLYMER
CASеҸ·:32131-17-2
еҲҶеӯҗејҸ:C36H66N6O6X2
еҲҶеӯҗйҮҸ:678.95
зӣёе…ізұ»еҲ«:жңүжңәеҢ–е·ҘеҺҹж–ҷ;еҢ–е·ҘеҺҹж–ҷ;е…¶д»–еҺҹж–ҷ;Amides and Imides;Hydrophobic Polymers;Materials Science;Polymer Science;Polymers
Molж–Ү件:32131-17-2.mol
зҶ”зӮ№250-260°C(lit.)
еҜҶеәҰ1.47g/mLat 25°C
жҠҳе°„зҺҮn20/D 1.565
жә¶и§ЈеәҰstrong proton donor solvents, acetic acid and phenols: soluble
еҪўжҖҒpellets
зЁіе®ҡжҖ§Stable. Incompatible with strong oxidizing agents, strong bases.
EPAеҢ-еӯҰзү©и/td> Information provided by: ofmpub.epa.gov (external link)
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е®үе…ЁиҜҙжҳҺ24/25
иҮӘзҮғжё©еәҰ752 В°F
дёҠжёёеҺҹж–ҷе·ұдәҢй…ё-->жҠ—ж°§еүӮ-->еҲҶеӯҗйҮҸи°ғиҠӮеүӮ
Last Update：2024-04-09 21:32:05
N-(6-aminohexyl)-6-oxoheptanamide
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View History
N-(6-aminohexyl)-6-oxoheptanamide
Raw Materials for N-(6-aminohexyl)-6-oxoheptanamide
Adipic acid
N,N'-di-sec-butyl-1,4-phenylenediamine
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