Kode cas 3,4-Dimethyl-1,2-cyclopentanedione adalah 13494-06-9.
Nama Produk: |
3,4-Dimethyl-1,2-cyclopentanedione |
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 |
CAS: |
13494-06-9 |
MF: |
C7H10O2 |
MW: |
126.15 |
EINECS: |
236-810-8 |
Kategori Produk: |
Daftar Abjad; C-D; Rasa dan Wewangian; Perantara API |
File Mol: |
13494-06-9.mol |
|
Titik lebur |
68-72 ° C (menyala.) |
Titik didih |
194,28 ° C (kasar) |
massa jenis |
1.0579 (perkiraan kasar) |
FEMA |
3268 | 3,4-DIMETHYL-1,2-CYCLOPENTADIONE |
Indeks bias |
1.4690 (perkiraan) |
suhu penyimpanan. |
0-6 ° C |
bentuk |
Bubuk Kristal |
warna |
Sedikit kuning tolight beige |
Kelarutan air |
sedikit larut |
Nomor JECFA |
420 |
Referensi CAS DataBase |
13494-06-9 (Referensi CAS DataBase) |
Referensi Kimia NIST |
1,2-Cyclopentanedione, 3,4-dimetil- (13494-06-9) |
Sistem Registri Zat EPA |
1,2-Cyclopentanedione, 3,4-dimethyl- (13494-06-9) |
Pernyataan Keamanan |
24/25 |
WGK Jerman |
3 |
Kode HS |
29142990 |
Sifat Kimia |
sedikit kuning tolight beige crystalline powder |
Persiapan |
Dengan alkilasi3,5-dicarbetoxy-4-methyl-cyclopentane-1,2-dione diikuti oleh hidrolisis dan dekarboksilasi yang dihasilkan3,5-dicarbetoxy-3,4-dimethyl-cyclopentane-1,2-di-one |
Nilai ambang aroma |
Deteksi: 17 hingga 20ppb |
Nilai ambang rasa |
Karakteristik rasa pada 10 ppm: coklat, manis, manis, maple dan karamel. |