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2-Oxohexamethylenimine Manufacturer/High quality/Best price/In stock
Cas No: 105-60-2
USD $ 3.0-3.0 / Kilogram 1 Kilogram 1-100 Metric Ton/Month Hangzhou Dayangchem Co., Ltd. Contact Supplier
Caprolactam 105-60-2
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USD $ 1.0-3.0 / Metric Ton 1 Metric Ton 10 Metric Ton/Day Hebei yanxi chemical co.,LTD. Contact Supplier
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2-Oxohexamethylenimine CAS: 105-60-2
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USD $ 1.0-2.0 / Metric Ton 5 Metric Ton 1000 Metric Ton/Year Henan Sinotech Import&Export Corporation Contact Supplier
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USD $ 1000.0-1500.0 / Kilogram 1 Kilogram 100 Metric Ton/Month Crovell Biotech (Hebei) Co., Ltd. Contact Supplier
2-Oxohexamethylenimine
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2-Oxohexamethylenimine Manufacturer/High quality/Best price/In stock CAS NO.105-60-2
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Caprolactam
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2H-Azepin-2-one,hexahydro- CAS105-60-2
Cas No: 105-60-2
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105-60-2 Usage

Purification Methods

The lactam is distilled under reduced pressure, recrystallised from acetone or pet ether and redistilled. It can be pur

Definition

ChEBI: A member of the class of caprolactams that is azepane substituted by an oxo group at position 2.

Health Hazard

Inhalation causes coughing or mild irritation. Contact with hot liquid will burn eyes and skin.

Chemical Properties

white crystals or flakes

Uses

(1) The majority of caprolactam is used in the production of polycaprolactam, of which about 90% is used for the production of synthetic fibers, that is, Kaplon, 10% used as plastic for the manufacture of gears, bearings, pipe, medical equipment and electrical, insulating materials. Also used in coatings, plastics and for the synthesis of lysine in a small amount and so on.
(2) Caprolactam is mainly used for the preparation of caprolactam resin, fiber and leather, also used as pharmaceutical raw materials.
(3) It can be used as polymer solvent, for the manufacture of polyamide-based synthetic fiber and the fixing phase of gas chromatography.

Uses

manufacture of synthetic fibers of the polyamide type (Perlon); solvent for high mol wt polymers; precursor of nylon-6, q.v.

Production method

In 1943, the I.G. Farben AG Company, through the cyclohexanone-hydroxylamine synthesis (now referred to as the oxime), had first realized the industrial production of caprolactam. With the development of synthetic fiber industry, there have been successively toluene (ANIA), photo nitrosation (PNC), caprolactone (UCC), cyclohexane nitration and cyclohexanone nitration. The newly developed ammoxidation of cyclohexanone has attracted much attention because of its simplicity in the production of cyclohexanone oximation without the use of hydroxylamine.
1. Oxime method: first apply the high-purity cyclohexanone and hydroxylamine sulfate for condensation reaction at 80-110 °C to generate cyclohexanone oxime. The isolated cyclohexanone oxime is converted into crude caprolactam at 80-110°C via Beckmann Rearrangement reaction using sulfuric acid as catalyst, followed by extraction, distillation and crystallization to obtain high purity caprolactam.
The raw material cyclohexanone used in oxime method can be obtained from the hydrogenation of phenol to cyclohexanol, followed by dehydrogenation; alternatively by cyclohexane air oxidation into cyclohexanol and cyclohexanone with the separated cyclohexanol catalytic dehydrogenation generating ring Pentanone.
2. Toluene; toluene, under the effect of the cobalt oxide catalyst, can be subject to oxidation to generate benzoic acid which with liquid hydrogenation using the palladium catalyst on the activated carbon carrier to generate hexahydrobenzoic acid, which, in fuming sulfuric acid, reacts with nitrosyl sulfuric acid to generate caprolactam. Toluene method, due to that toluene is rich in resources with low production cost, has a certain development prospects.
3. Photo nitrosation method: cyclohexane, under the irradiation of the mercury vapor lamp can have photochemical reaction with chlorinated nitrosyl, further being direct converted into cyclohexanone oxime hydrochloride, which can be further converted into caprolactam by the Beckman rearrangement in the presence of fuming sulfuric acid.
4. Phenol method: phenol, in the presence of nickel catalyst, is subject to hydrogenation to obtain cyclohexanol with purification and dehydrogenation to generate crude cyclohexanone. Cyclohexanone, after being purified, can react with hydroxylamine to cyclohexanone oxime, followed by Beckmann shift to generate caprolactam. The sulfuric acid in the reaction product can neutralized with ammonia to generate by-product of thiamine. Crude caprolactam can be purified by a series of chemical and physical treatments to obtain pure caprolactam.

Production of polyamide fibers and resins

Caprolactam is the main raw material for the production of polyamide fiber and resin. Polyamide fiber, in the United States, is called nylon; in China, is called Chinlon because it was first commercialized in Jinzhou Petrochemical. Chinlon 66 is a polycondensation product of adipic acid and hexamethylene diamine. Polyamide 6 obtained from the ring-opening polymerization of caprolactam.
At present, the master of caprolactam production technology is mainly Sinopec Baling Petrochemical Design Institute and Yueyang Petrochemical Design Institute.
Cyclohexanone and phenol are the main raw materials for the production of caprolactam:
Cyclohexanone is a kind of important chemical raw material with wide range of application fields. It is colorless and odorless transparent liquid with mint and acetone odor. It is slightly soluble in water and soluble in ether, alcohol and other organic solvents. It is mainly used as the intermediates of caprolactam and others diacids and their salts. Because of its strong solubility, low toxicity and relatively low price, it is widely used as solvent and thinner for various paints, paints, inks and resins, polishes and thinners for leather processing, photographic and magnetic recording material and coating solvent, and so on. At the same time, it can also be used for preparation of some downstream derivatives, such as cyclohexanone-formaldehyde resin, peroxy cyclohexanone, o-methyl phenol, antioxidant 4010 and so on.
Phenol is also called phenolic acid, is one of the simplest phenolic organic matter with weak acidity. Pure phenol is a colorless crystal which exhibits pink color in the air due to being oxidized in a small part. It is toxic, corrosive, being slightly soluble in water at room temperature, easily soluble in alcohol and other organic solvents; when the temperature is higher than 65 ℃, it is miscible with water in any proportion. Concentrated solution has strong corrosiveness on the skin. Mistakenly contact with skin can be treated through rinsing with alcohol.
Addition of bromine water into the phenol solution will generate white precipitate immediately (2, 4, 6-Tribromophenol); being capable of having substitution reaction in the benzene ring with halogen, nitric acid, sulfuric acid, etc.; being able to have reaction with ferric chloride so that the solution is turned into a purple color; addition of bromine water into the solution will immediately generate white precipitate (2, 4, 6-Tribrominephenol); It is mainly used in the manufacture of phenolic resin, bisphenol A and caprolactam. The production of phenolic resin is its biggest use, accounting for more than half of phenol production.

Air & Water Reactions

Water soluble.

Fire Hazard

Special Hazards of Combustion Products: Toxic oxides of nitrogen

Hazards & Safety Information

Category Toxic substances:Toxic classification poisoning
Acute toxicity Oral-Rat LD50: 1210 mg/kg; Oral-mouse LD50: 930 mg/kg
Stimulation Data Skin-Rabbit 500 mg/24hours Mild; Eyes-Rabbit 20 mg/24hours Moderate
Explosives and Hazardous Characteristics: Mixture with acetic acid and nitrogen trioxide can be explosive
Flammability Hazardous characteristics: Thermal decomposition releases toxic nitrogen oxides
Storage and transport characteristics Treasury: low temperature, ventilated and drying
Extinguishing agent water, carbon dioxide, foam, dry powder
Occupational Standard TWA 1 mg/m3; STEL 3 mg/m3 (Dust, Steam)

General Description

Clear to milky white-colored solution with a mild, disagreeable odor. Contact may cause slight irritation to skin, eyes, and mucous membranes. May be mildly toxic by ingestion. The primary hazard is the threat to the environment. Immediate steps should be taken to limit its spread to the environment. As a liquid 2-Oxohexamethylenimine can easily penetrate the soil and contaminate groundwater and nearby streams. Used to make other chemicals.

Reactivity Profile

2-Oxohexamethylenimine is hygroscopic. 2-Oxohexamethylenimine can react with strong oxidizing agents and strong bases. 2-Oxohexamethylenimine can also react with chlorinated hydrocarbons and nitro compounds. A potentially explosive reaction occurs with acetic acid + dinitrogen trioxide.

Chemical properties

It appears as white sheet or molten substance. It is soluble in water, chlorinated solvents, petroleum hydrocarbons, cyclohexene, benzene, methanol, ethanol and ether.
InChI:InChI=1/C6H11NO/c8-6-4-2-1-3-5-7-6/h1-5H2,(H,7,8)

105-60-2 Well-known Company Product Price

Brand (Code)Product description CAS number Packaging Price Detail
Aldrich (C2204)  ε-Caprolactam  99% 105-60-2 C2204-1KG 437.58CNY Detail
Aldrich (C2204)  ε-Caprolactam  99% 105-60-2 C2204-250G 322.92CNY Detail
Aldrich (C2204)  ε-Caprolactam  99% 105-60-2 C2204-5G 269.10CNY Detail
Alfa Aesar (L06999)  epsilon-Caprolactam, 99%    105-60-2 2500g 550.0CNY Detail
Alfa Aesar (L06999)  epsilon-Caprolactam, 99%    105-60-2 500g 173.0CNY Detail
Alfa Aesar (L06999)  epsilon-Caprolactam, 99%    105-60-2 100g 116.0CNY Detail

105-60-2SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 10, 2017

Revision Date: Aug 10, 2017

1.Identification

1.1 GHS Product identifier

Product name ε-caprolactam

1.2 Other means of identification

Product number -
Other names PA 6

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:105-60-2 SDS

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