Referensi Katrangan
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Jeneng Produk: |
2-Asetilthiazole |
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Sinonim: |
Ketone, Methyl 2-thiazolyl (7CI, 8CI); 1- (1,3-Thiazol-2-yl) etan-1-siji, 2-Ethanoyl-1,3-thiazole; THIAZOLE-2-ACETYL; 1- ( 3-thiazol-3-iumyl) etanone; 2- acetylthiazoliuM; 2-acetylthiazone; 1- (1,3-Thiazol-2-yl) etanone; 1- (2-thiazolyl) -ethanon |
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CAS: |
24295-03-2 |
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MF: |
C5H5NOS |
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MW: |
127.16 |
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EINECS: |
246-134-5 |
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Kategori Produk: |
A-B; Dhaptar Abjad; ACETYLGROUP; Asale Sulfur; Thiazoles; Roso lan Wewangian; Rasa thiazole; Blok Bangunan; Blok Bangunan Heterosiklik |
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File Mol: |
24295-03-2.mol |
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Titik lebur |
65,5 ° C |
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Titik didih |
89-91 ° C12 mm Hg (lit.) |
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kapadhetan |
1,227 g / mL ing 25 ° C (lit.) |
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FEMA |
3328 | 2-ACETYLTHIAZOLE |
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indeks bias |
n20 / D 1.548 (lit.) |
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Fp |
173 ° F |
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temp panyimpenan |
Simpen ing ngisor + 30 ° C. |
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pka |
0,05 ± 0,10 (Ramalan) |
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wujud |
Bubuk utawa Kristal |
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warna |
Putih nganti rada kuning |
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Gravitasi Khusus |
1.23 |
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Sensitif |
Bau |
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Nomer JECFA |
1041 |
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BRN |
109803 |
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Referensi CAS DataBase |
24295-03-2 (Referensi CAS DataBase) |
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Referensi Kimia NIST |
2-Acetylthiazole (24295-03-2) |
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Sistem Registrasi Bahan EPA |
Ethanone, 1- (2-thiazolyl) - (24295-03-2) |
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Kode Bahaya |
Xn, Xi |
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Pernyataan Risiko |
22-36-43-36 / 37/38 |
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Pernyataan Keamanan |
26-36 / 37-24 / 25-36 |
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RIDADR |
3334 |
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WGK Jerman |
3 |
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F |
13 |
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Cathetan Bahaya |
Iritasi / Bau |
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TSCA |
T |
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HazardClass |
STENCH |
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Kode HS |
29341000 |
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Properti Kimia |
Cairan tanpa warna kanthi bawang ijo, jamu, ambu ora enak. Iki digunakake minangka panambah rasa lan agen rasa |
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Preparasi |
Kanthi oksidasi karbinol sing cocog nggunakake dichromate |
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Nilai ambang ambu |
Deteksi ing 4 ppb |
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Nilai ambang rasa |
Karakteristik rasa ing 30 ppm: chip jagung kanthi latar mburi apak |
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Metode Pemurnian |
Priksa spektrum NMR; yen ora angel banget, susun nganggo kolom sing efisien ing vakum. Sublimime oksime ing 140-145o, m 159o, lan nalika kristalisasi saka H2O duwe m 163-165.5o. [Erlenmeyer dkk. Helv Chim Acta 31 1142 1948, Waisvisz dkk. J Am Chem Soc 79 4524 1957, Menasseé dkk. Helv Chim Acta 40 554 1957, Beilstein 27 IV 2617.] |
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Bahan baku |
Etil asetat -> Dietil eter -> Dichromate, solusi standar kromatografi ion, Spekpure, Cr2O7Ë ‰ 2 1000μg / ml |
