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Diaminohexane

Making nylon

Requirements * 5cm 3 beaker * decanedioyl dichloride, 5% solution in cyclohexane (1 c m 3) * 1,6-diaminohexane, 5% solution in 0.5mol dm-3 sodium carbonate solution (1cm 3) * glass rod or test-tube * tweezers * access to fume cupboard * protective gloves decanedioyl dichloride cyclohexane CORROSIVE IRRITANT 1,6-diaminohexane ...

Experiment 16: Polymers

The properties of the resulting co - polymer will be different from those of Cl C (CH 2 ) 8 O C O Cl H 2 N (CH 2 ) 6 NH 2 + C (CH 2 ) 8 O C O H N (CH 2 ) 6 NH n + HCl sebacoyl chloride 1,6-diaminohexane Nylon 6.10 OH H C H O OH CH 2 n + H 2 O +

#9 Condensation Polymerization: Preparation of Nylon 6/10

• hexamethylenediamine (HMDA; 1,6-diaminohexane) [H 2 N(CH 2) 6 NH 2] • sodium hydroxide • ethanol • (optional) oven • (optional) melting point apparatus

Isomerism and chirality [4.8.1a, b]

98 UNIT 4 General principles of chemistry I - Rates, equilibria and further organic chemistry UNIT 4 General principles of chemistry I - Rates, equilibria and further organic chemistry 99 Isomerism and chirality [4.8.1a, b] Isomerism was introduced in chapter 1.7 of Edexcel AS Chemistry .

Preparation of Aspirin, Methyl Salicylate and Nylon

Carefully pour the adipoyl chloride solution down the inside of the beaker containing the diaminohexane, but avoid mixing the 2 solutions. 5. There will be 2 layers of liquid in the beaker.

Schiff Bases of

Abstract The condensation of aliphatic diamines [1,2-diaminoethane, 1,3-diaminopropane and 1,6-diaminohexane] with 3-[2-(1,3-benzothiazol-2-yl) hydrazinylidene]pentane-2,4-dione under specified conditions yielded a new series of polydentate Schiff base ligands.

Playing with Polymers

Materials and Supplies: • 50 ml 0.50 M hexamethylenediamine (1,6-diaminohexane), H 2 N(CH 2) 6 NH 2, in 0.5 M sodium hydroxide, NaOH (To prepare: dissolve 3.0 g of H 2 N(CH 2) 6 NH 2 plus 1.0 g NaOH in 50 ml distilled water.

Preparation of Aspirin, Methyl Salicylate and Nylon

Add about 15 mL of adipoyl chloride solution to a graduated cylinder and carefully pour the adipoyl chloride solution in the beaker containing the diaminohexane, but avoid mixing the 2 solutions.

www.clinchem.org

Materials and Methods Standards and Reagents We obtained DAP, Pu, acPu, Cad, Sd, N1acS#{231}l, N8acSd, Sp, N’acSp, Putr, and 1,6-diaminohexane from Sigma Chemical Co., St. Louis, MO 63178; Isoga (the y-lactam form of isoputreanine) from Aldrich Europe, Beerse, Belgium.

IV. Organic Chemistry: Compounds with Interesting Properties

Materials: Solution A: 30 mL 0.5 M hexamethylenediamine [H 2 N(CH 2) 6 NH 2 (1,6-diaminohexane) in 0.5 M NaOH] Solution B: 1.0±0.2 mL sebacoyl chloride, Cl CO (CH 2) 8 COCl, in 30 mL hexane [30 mL 0.2 M sebacoyl chloride in hexane] 250 mL beaker 150 mL beaker Glass stir rod Forceps Safety: Hexanes are very ...