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حمض الكرباميك (Info)


حمض الكرباميك هو مركب كيميائي عضوي له الصيغة NH2COOH؛ ويكون عند درجات حرارة منخفضة جداً على شكل صلب عديم اللون.

إن اتصال مجموعة الكربوكسيل بشكل مباشر مع ذرة النتروجين في مجموعة الأمين يجعل من المركب مختلفاً عن الأحماض الكربوكسيلية وعن الأميدات. يطلق على القاعدة المرافقة للحمض اسم الكربامات.

التحضير

ينشأ حمض الكرباميك كمركب وسطي في عملية إنتاج اليوريا، وذلك من تفاعل ثنائي أكسيد الكربون مع الأمونيا:

الخواص

إن مركب حمض الكرباميك غير مستقر ولا ثابت فهو يتفكك هو ومشتقاته إلى الأمونيا وثنائي أكسيد الكربون.

للمركب بنية مستوية؛ وتعد أملاحه واستراته أكثر ثباتية من الحمض نفسه

مشتقات حمض الكرباميك

لحمض الكرباميك العديد من المشتقات، منها الإسترات مثل كربامات الميثيل وكربامات الإيثيل، كما يشكل بعض أملاح الكربامات مثل كربامات الأمونيوم.

  • مجموعة حمض الكرباميك

  • مجموعة الكربامات

  • مجموعة الكربامويل

  • مجموعة كلوريد الكربامويل

Source: wikipedia.org
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Mustafa Mahmoud The Words Of God Almighty Ibrahim AlFiqi Muhammad Bin Saleh AlUthaymeen Ibn Qayyim Al-Jawziyya Ahmed Khaled Tawfiq Fahad Amer AlAhmadi Muhammad Metwally AlShaarawi Ali Bin Jaber AlFifi Dale Carnegie Islam Gamal Sayed Qutb Muhammad AlGhazali Omar AlHourani Agatha Christie Muhammad Bin Ismail AlBukhari Abbas AlAkkad Abu Hamid AlGhazali Najib Mahfouz Fyodor Dostoevsky Jalal AlDin AlSuyuti Bin Taymiyyah Ismail Bin Omar Bin Katheer AlQurashi Aldamashqiu Ibrahim Al-Sukran Mustafa AlAdawi More of Authors of books