|
Jeneng Produk: |
2,6-Dimethylpyrazine |
|
Sinonim: |
Sel HSC-T6; 2,6-dimethyl-pyrazin; 2,6-dimethylpyrazine, keseimbangan2,5-isomer; 3,5-Dimethylpyrazine; FEMA NOMOR 3273; FEMA 3273; 2,6-DIMETHYLPYRAZINE; 2,6-DIMETHYL PARADIAZINE |
|
CAS: |
108-50-9 |
|
MF: |
C6H8N2 |
|
MW: |
108.14 |
|
EINECS: |
203-589-4 |
|
File Mol: |
108-50-9.mol |
|
|
|
|
Titik lebur |
35-40 ° C (surem) |
|
Titik didih |
154 ° C (surem) |
|
kapadhetan |
0.965 (50.0000â „ƒ) |
|
FEMA |
3273 | 2,6-DIMETHYLPYRAZINE |
|
indeks bias |
1.5000 |
|
Fp |
127 ° F |
|
temp panyimpenan |
Area murub |
|
pka |
2,49 ± 0,10 (Ramalan) |
|
wujud |
Kristal Lebur Sithik Padhet |
|
warna |
Kuning pucet |
|
PH |
7 (H2O, 20â „ƒ) |
|
Kelarutan Banyu |
Larut ing banyu. |
|
Nomer JECFA |
767 |
|
BRN |
1726 |
|
Referensi CAS DataBase |
108-50-9 (Referensi CAS DataBase) |
|
Referensi Kimia NIST |
Pyrazine, 2,6-dimethyl- (108-50-9) |
|
Sistem Registrasi Bahan EPA |
Pyrazine, 2,6-dimethyl- (108-50-9) |
|
Kode Bahaya |
Xn, F |
|
Pernyataan Risiko |
10-22-37 / 38-41-11 |
|
Pernyataan Keamanan |
16-26-39 |
|
RIDADR |
UN 1325 4.1 / PG 2 |
|
WGK Jerman |
3 |
|
RTECS |
UQ2975000 |
|
TSCA |
Nggih |
|
HazardClass |
4.1 |
|
PackingGroup |
III |
|
Kode HS |
29339990 |
|
Properti Kimia |
PALE KUNING KECIL MELTING CRYSTALLINE |
|
Properti Kimia |
2,6-Dimethylpyrazine duwe aroma kaya kopi kaya bau. |
|
Preparasi |
Kanthi kondensasi 1,2-diaminopropane, banjur kromatografi kolom kanggo misahake 2,6-methylpyrazine saka 2,5-dimethylpyrazine. |
|
Nilai ambang ambu |
Deteksi: 400 nganti 1500 ppb. Karakteristik aroma ing 1,0%: kemis, bubuk coklat, tembakau, teh godhong garing, tutup jamur bumi lan kaya kentang, daging, cangkang kacang panggang, lan kopi. |
|
Nilai ambang rasa |
Karakteristik rasa ing jam 5.0 ppm: kacang apus lan lemah, cangkang kacang nutty, bubuk coklat, kopi bumi, ragi, kayu, kacang panggang susu. |
|
Produk Preparasi |
2,6-Dimethylpiperazine -> 3,5-DIMETHYL-2-ETHYLPYRAZINE |
|
Bahan baku |
1,2-Diaminopropane -> 2,5-Dimethyl pyrazine |
