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Jeneng Produk: |
Ethylcyclopentenolone |
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CAS: |
21835-01-8 |
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MF: |
C7H10O2 |
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MW: |
126.15 |
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EINECS: |
244-606-5 |
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File Mol: |
21835-01-8.mol |
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Titik lebur |
39,0 nganti 43,0 ° C |
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Titik didih |
75 ° C / 0.3mmHg (lit.) |
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kapadhetan |
1,067 g / mL ing suhu 25 ° C |
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FEMA |
3152 | 3-ETHYL-2-HYDROXY-2-CYCLOPENTEN-1-ONE |
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indeks bias |
n20 / D 1.476 |
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Fp |
225 ° F |
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temp panyimpenan |
2-8 ° C |
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pka |
9,17 ± 0,20 (Ramalan) |
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Nomer JECFA |
419 |
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InChIKey |
JHWFWLUAUPZUCP-UHFFFAOYSA-N |
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Referensi CAS DataBase |
21835-01-8 (Referensi CAS DataBase) |
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Referensi Kimia NIST |
2-Cyclopenten-1-siji, 3-etil-2-hidroksi- (21835-01-8) |
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Sistem Registrasi Bahan EPA |
2-Cyclopenten-1-siji, 3-etil-2-hidroksi- (21835-01-8) |
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Kode Bahaya |
Xn, Xi |
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Pernyataan Risiko |
20 / 22-43 |
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Pernyataan Keamanan |
26-36-36 / 37 |
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WGK Jerman |
3 |
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Kode HS |
29144000 |
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Properti Kimia |
3-Etil-2-hidroksi-2-siklopenten-1-onehas rasane kaya karamel. Senyawa iki asring digunakake kanggo menehi cara [1] rasa roso utawa kelapa ing panganan. Senyawa kasebut nuduhake ciri-ciri sing nambah rasa. |
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Preparasi |
Saka5-metil-3,5-dicarbethoxy-2-cyclopen-ten-2-ol-siji lan asam fosforik; kanthi proses apatis; uga saka dimethyl adipate. |
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Nilai ambang ambu |
Karakteristik ing 0,5%: manis, coklat, karamellik, maple, gula coklat, rum, wiski, furanone. |
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Nilai ambang rasa |
Nilai ambang 5 ppm, padha karo analog 3-metil, wis ditemtokake dening evaluasi komparatif. Karakteristik rasa ing 12 ppm: manis, jamy, fruity, coklat, panggang, maple, nutty |
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Bahan baku |
Cyclopentene -> Dimethyl adipate |
