Kode kas 3,4-Dimethyl-1,2-cyclopentanedione yaiku 13494-06-9.
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Jeneng Produk: |
3,4-Dimethyl-1,2-cyclopentanedione |
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Sinonim: |
3,4-Dimethyl-1,2-cyclopentanedione, 97%; DiMethyl-1,2-cyclopenta; 3,4-diMethyl-1,2-cyclopenadione; 3,4-DiMethyl cyclopentenolone Min 97%; 2-Hydroxy-3 , 4â € "dimethyl-2-cyclopenten-1-on3,4-Dimethylcyclo-pentane-1,2-dione; 2-Cyclopentanedione, 3,4-dimethyl-1; 3,4-dimethyl-2-cyclopentanedione; FEMA 3268 |
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CAS: |
13494-06-9 |
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MF: |
C7H10O2 |
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MW: |
126.15 |
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EINECS: |
236-810-8 |
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Kategori Produk: |
Dhaptar Abjad; C-D; Roso lan Wewangian; penengah API |
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File Mol: |
13494-06-9.mol |
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Titik lebur |
68-72 ° C (surem) |
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Titik didih |
194.28 ° C (paling angel) |
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kapadhetan |
1.0579 (paling kasar) |
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FEMA |
3268 | 3,4-DIMETHYL-1,2-CYCLOPENTADIONE |
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indeks bias |
1,4690 (ngira) |
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temp panyimpenan |
0-6 ° C |
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wujud |
Bubuk Kristal |
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warna |
Beige kuning sing rada kuning |
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Kelarutan Banyu |
rada larut |
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Nomer JECFA |
420 |
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Referensi CAS DataBase |
13494-06-9 (Referensi CAS DataBase) |
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Referensi Kimia NIST |
1,2-Cyclopentanedione, 3,4-dimethyl- (13494-06-9) |
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Sistem Registrasi Bahan EPA |
1,2-Cyclopentanedione, 3,4-dimethyl- (13494-06-9) |
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Pernyataan Keamanan |
24/25 |
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WGK Jerman |
3 |
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Kode HS |
29142990 |
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Properti Kimia |
wêdakakêna kuning kriting tolige kuning |
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Preparasi |
Kanthi alkilasi3,5-dicarbetoxy-4-methyl-cyclopentane-1,2-dione diikuti hidrolisis anddecarboxylation saka asil3,5-dicarbetoxy-3,4-dimethyl-cyclopentane-1,2-di-one |
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Nilai ambang ambu |
Deteksi: 17 nganti 20ppb |
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Nilai ambang rasa |
Karakteristik ing 10 ppm: coklat, manis, legi, maple lan karamellic. |
