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url url url url
  2. Weltenzyklopädie
  3. بنزیلیک اسید - ویکی‌پدیا، دانشنامهٔ آزاد
بنزیلیک اسید - ویکی‌پدیا، دانشنامهٔ آزاد
از ویکی‌پدیا، دانشنامهٔ آزاد
بنزیلیک اسید
Skeletal formula of benzilic acid
Ball-and-stick model of the benzilic acid molecule
نام‌گذاری آیوپاک

Hydroxy(diphenyl)acetic acid

دیگر نام‌ها

αα-Diphenyl-α-hydroxyacetic acid αα-Diphenylglycolic acid α-Hydroxydiphenyl acetic acid 22-Diphenyl-2-hydroxyacetic acid 2-Hydroxy-22-diphenylacetic acid Diphenyl glycolic acid Hydroxydiphenyl acetic acid

شناساگرها
شماره ثبت سی‌ای‌اس ۷۶-۹۳-۷ ✔Y
پاب‌کم ۶۴۶۳
کم‌اسپایدر ۶۲۲۰ ✔Y
ChEBI CHEBI:39414 ✔Y
ChEMBL CHEMBL۵۷۸۱۷۱ ✔Y
جی‌مول-تصاویر سه بعدی Image 1

  • O=C(O)C(O)(c1ccccc1)c2ccccc2

  • InChI=1S/C14H12O3/c15-13(16)14(17,11-7-3-1-4-8-11)12-9-5-2-6-10-12/h1-10,17H,(H,۱۵٬۱۶) ✔Y
    Key: UKXSKSHDVLQNKG-UHFFFAOYSA-N ✔Y

    InChI=1/C14H12O3/c15-13(16)14(17,11-7-3-1-4-8-11)12-9-5-2-6-10-12/h1-10,17H,(H,۱۵٬۱۶)
    Key: UKXSKSHDVLQNKG-UHFFFAOYAV

خصوصیات
فرمول مولکولی C14H12O۳
جرم مولی ۲۲۸٫۲۴ g mol−1
شکل ظاهری white solid
چگالی 1.08 g/cm3
دمای ذوب ۱۵۰ تا ۱۵۲ درجه سلسیوس (۳۰۲ تا ۳۰۶ درجه فارنهایت؛ ۴۲۳ تا ۴۲۵ کلوین)
دمای جوش ۱۸۰ درجه سلسیوس (۳۵۶ درجه فارنهایت؛ ۴۵۳ کلوین) (17.3 hPa)
انحلال‌پذیری در آب 2 g/l (20 °C)
خطرات
کدهای ایمنی R۲۲
شماره‌های نگهداری S۲۳, S۲۴, S۲۵, S۲۸, S۳۶, S۳۷, S45
لوزی آتش
NFPA 704 four-colored diamondSpecial hazards (white): no code
به استثنای جایی که اشاره شده‌است در غیر این صورت، داده‌ها برای مواد به وضعیت استانداردشان داده شده‌اند (در 25 °C (۷۷ °F)، ۱۰۰ kPa)
 N (بررسی) (چیست: ✔Y/N؟)
Infobox references


بنزیلیک اسید یک ترکیب آلی با فرمول C14H12O3 یک جامد سفید رنگی است با نقطه ذوب ۱۵۱ درجه سانتی گراد و جرم مولکولی ۲۲۸ می‌باشد. در محیط اسیدی H2O و در محیط بازی OH به عنوان نوکلئوفیل با مولکول آلی وارد واکنش می‌گردد. بنزیل در محیط قلیایی به بنزیلیک اسید تبدیل می گرد. از هیدرولیز دی کتون‌ها کربوکسیلیک اسیدها حاصل می‌شوند.

تهیه

بنزیلیک اسید را می‌توان با حرارت دادن مخلوط بنزیل با اتانول و پتاسیم هیدروکسید تهیه کرد.

منابع

مشارکت‌کنندگان ویکی‌پدیا. «Benzilic acid». در دانشنامهٔ ویکی‌پدیای انگلیسی.

پیوند به بیرون

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