Jeneng Produk: |
Asam kayu manis |
Sinonim: |
kemurnian tinggi Cinnamicacid kf-wang (at) kf-chem.com; CitricAcidGr (Monohidrat); CinnamonAcid; Benzenepropenoicacid; 3-Phenylpropenoic; CINNAMIC ACID, TRANS- (SH); ZIMTSAEURE ERG .B.6; Phenylacrylicacid |
CAS: |
621-82-9 |
MF: |
C9H8O2 |
MW: |
148.16 |
EINECS: |
210-708-3 |
Kategori Produk: |
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File Mol: |
621-82-9.mol |
|
Titik lebur |
133 ° C (surem) |
Titik didih |
300 ° C (surem) |
kapadhetan |
1.2475 |
FEMA |
2288 | Asam CINNAMIC |
indeks bias |
1.5049 (ngira) |
Fp |
> 230 ° F |
pka |
pK (25 °) 4,46 |
Kelarutan Banyu |
511.2mg / L (25 ºC) |
Nomer JECFA |
657 |
Stabilitas: |
Mantep Kobong. Kompatibel karo agen oksidasi kuat. |
Referensi CAS DataBase |
621-82-9 (Referensi CAS DataBase) |
Referensi Kimia NIST |
2-asam Propenoat, 3-fenil- (621-82-9) |
Sistem Registrasi Bahan EPA |
Cinnamicacid (621-82-9) |
Kode Bahaya |
Xi |
Pernyataan Risiko |
36/37/38 |
Pernyataan Keamanan |
26-36 |
WGK Jerman |
1 |
RTECS |
GD7850000 |
Keracunan |
LD50 (g / kg): 3,57 tikus; > 5,0 dermally ing terwelu (Letizia) |
Analisis Konten |
Bobot 500mg sampel kanthi akurat sing sadurunge wis garing suwene 3 jam kanthi gel silika sing luwih garing; nambah hidrogen 0,1mol / L. |
Keracunan |
GRAS (FEMA). |
Panggunaan winates |
FEMA (mg / kg): Softdrinks 31; Ngombe adhem 40; Manisan 30; Bakery 36; Permen karet 10. |
Properti Kimia |
Katon minangka prisma whitemonoklinik kanthi aroma kayu manis sing sithik. Iki larut ing etanol, methanol, petrol eter lan kloroform; gampang larut ing benzena, eter, aseton, asam asetat, karbon disulfida lan minyak nanging ing jero banyu ora larut. |
Migunakake |
1. Bisa digunakake bahan asraw kanggo pabrik ester, rempah-rempah lan farmasi. |
Cara produksi |
1. Bisa ditemokake liwat reaksi co-pemanasan antarane benzyl klorida lan sodiumacetate. |
Properti Kimia |
kristal monoklinik |
Properti Kimia |
Asam kayu manis iku ora ana ambu ora enak kanthi rasa kobong, banjur malih dadi aprikot sing manis lan ngelingake. |
Preparasi |
Rong isomer, trans-lan cis- ana; trans-isomer iku kapentingan sing digunakake kanggo nggawe roso; minangka tambahan ekstraksi saka sumber alami (storax), bisa disiyapake kaya ing ngisor iki: (1) saka benzaldehyde, sodium acetate anhidrat lan aceticanhydride ing ngarsane pyridine (reaksi Perkin); (2) frombenzaldehyde lan etil asetat (kondensasi Claisen); (3) saka benzaldehydeand acetylene chloride; (4) kanthi oksidasi asetat benzylidene karo sodiumhypochlorite. |
Profil Keamanan |
Rute racun kanthi cepet lan intraperitoneal. Moderat beracun amarga asupan. Ahli kulit. Cairan sing bisa dibakar Yen digawe panas dadi dekomposisi, mula bakal nyebabake acridsmoke lan asap. |
Sintesis Kimia |
Rainer LudwigClaisen (1851â € "1930), ahli kimia Jerman, nerangake kaping pisanan ing taun 1890 tintesis sinnamat kanthi menehi reaksi aldehid aromatik karo ester. Ana tumindak dikenal minangka kondensasi Claisen. |
Metode Pemurnian |
Kristalisake asam saka * benzena, CCl4, banyu panas, banyu / EtOH (3: 1), utawa 20% etOH banyu. Garing itat 60o ing lowongan. Uap iki ora stabil. [Beilstein 9 IV 2002.] |
Bahan baku |
Benzyl chloride -> Sodium acetate trihydrate -> Potassium Acetate -> Calcium hypochlorite -> trans-Cinnamic acid -> Benzalacetone |
Produk Preparasi |
L-Phenylalanine -> 2- [3- [Bis (1-methylethyl) amino] -1-phenylpropyl] -4-methylphenol -> L-PHENYLALANINE |