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674-82-8

Basic Information
CAS No.: 674-82-8
Name: 2-Oxetanone,4-methylene-
Molecular Structure:
Molecular Structure of 674-82-8 (2-Oxetanone,4-methylene-)
Formula: C4H4O2
Molecular Weight: 84.07
Synonyms: 3-Butenoicacid, 3-hydroxy-, b-lactone (6CI,7CI);4-Methylene-2-oxetanone;Diketene;Ethenone, dimer;Ketene dimer;NSC 93783;
EINECS: 211-617-1
Density: 1.10 g/cm3
Melting Point: -7.5 °C
Boiling Point: 127.4 °C at 760 mmHg
Flash Point: 97.9 °C
Solubility: soluble in water and organic solvents
Appearance: colorless liquid
Hazard Symbols: HarmfulXn
Risk Codes: 10-20-40
Safety: 3-36/37-33-24/25-23-16
Transport Information: UN 2929 6.1/PG 2
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    Changsha EASCHEM is a leading company in marketing ang distributing chemicals and new materials with establishment in 2013 by reregistering from Easchem International from China. We, EASCHEM, are the brand with the aim for erecting up Big Chemica

    Changsha EASCHEM is a leading company in marketing ang distributing chemicals and new materials with establishment in 2013 by reregistering from Easchem International from China.

  •  Changsha Easchem Co.,Limited

     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:+86-731-89722861 89722891

    Address:2/F-4/Bld Colorful Palace, No.605 Changsha Ave, Yuhua Area Changsha Hunan China.

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  • 2-Oxetanone,4-methylene-

  • Casno:

    674-82-8

    2-Oxetanone,4-methylene-

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0/

    we a state-level key high-tech enterprises in Yixing Environmental Science and Technology High-tech Development Zone. The company, China Agricultural University, Chinese Academy of Agricultural Sciences, Institute of Ecological Science Park, Beijing

    we a state-level key high-tech enterprises in Yixing Environmental Science and Technology High-tech Development Zone. The company, China Agricultural University, Chinese Academy of

  •  wuxi leji biology technology co., LTD

     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:13771368689

    Address:The Nanyue Road No. 2, Yixing City, Jiangsu Province

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  • Diketene 674-82-8 supplier

  • Casno:

    674-82-8

    Diketene 674-82-8 supplier

    Min.Order: 1 Milligram

    FOB Price:  USD $ 0.0-0.0/Milligram

    Nanjing Sunsure Chemical Technology Co., Ltd., established in 2009, has expanded a compositive entity from initially only as a small manufacturer. The company dedicated to the development, production and marketing of chemicals. Sunsure covers whole

    Nanjing Sunsure Chemical Technology Co., Ltd., established in 2009, has expanded a compositive entity from initially only as a small manufacturer. The company dedicated to the deve

  •  Nanjing Sunsure Chemical Technology Co., Ltd

     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:+86-025-58535435

    Address:Southeast University Science Park(SEUSP) Gaoxin, Nanjing, Jiangsu 210032, China

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  • Acetyl ketene

  • Casno:

    674-82-8

    Acetyl ketene

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0/

    Yinghao Pharm products include: leader molecule, heterocyclic compounds,chiral compounds, photoelectric materials, biochemical reagents etc. For example:benzene, pyrimidine, boricacid,pyridine, pyrazole, imidazole, pyrrole, fluorine and other derivat

    Yinghao Pharm is located in Changzhou Science and Education City, we customize synthetic pharmaceutical intermediates and organic compounds. The products are mainly used in pharmac

  •  Yinghao Pharm Co.,Ltd.

     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:+86-519-85390519

    Address:NO4,R&D Port,Changzhou Science&Education Town,18-50 Changwuzhong Road,Wujin Disctrict,Changhzou,Jiangsu

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  • Acetyl ketene

  • Casno:

    674-82-8

    Acetyl ketene

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0/

    Appearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea

    Hunan chemfish Pharmaceutical co.,Ltd.located in Lugu High-tech industral park ,Hunan province . with its own R&D center and more than 10000㎡manufacture plant . Chemfish owns

  •  Hunan chemfish Pharmaceutical co.,Ltd

     China (Mainland)  |  Contact Details

    Business Type:Manufacturers

    Tel:0731-85567275

    Address:No.10048, xiangjiang centry bulding ,kaifu district ,changsha city ,Hunan

       Inquiry Now

  • Diketene

  • Casno:

    674-82-8

    Diketene

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0/

    sub/micron to mesh powders (near/spheres, whiskers, flake, fiber, porous) and grain/ball, thin/ thick metal / alloys pieces / parts, thin and thick (particle) film materials /target, and custom-made crystals, substrates/parts. In the industries and a

    Cerametek Materials (CMT) is your industrial and R&D supplier: 1. Semiconductor materials: Compounds of II, III, IV, V, VI groups such as Metal Sulfides, Selenides, Tellu

  •  Beijing Cerametek Materials Co. Ltd.

    China (Mainland)  |  Contact Details

    Business Type:Other

    Tel:+86-755-2324.2554

    Address:ShenZhen Branch: No.11 GaoXin Road, Suite2515,

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