|
Jeneng Produk: |
2,6-dimethylpyrazine |
|
Padhanane: |
Sèl HSC-T6; 2,6-dimethyl-pyrazin; 2,6-dimechylpyrazine, seimbang2,5-isomer; nomer 3273; 2,6-dimethylpyrazine; 2,6-dimethethyl paradizine |
|
CAS: |
108-50-9 |
|
Mf: |
C6H8N2 |
|
Mw: |
108.14 |
|
EineCs: |
203-589-4 |
|
File mol: |
108-50-9.mol |
|
|
|
|
Titik lebur |
35-40 ° C (lit.) |
|
Titik Giling |
154 ° C (lit.) |
|
Kapadhetan |
0.965 (50.0000 ℃) |
|
FEMA |
3273 | 2,6-dimethylpyrazine |
|
Indeks Refleksi |
1.5000 |
|
FP |
127 ° F |
|
Temp panyimpenan. |
Wilayah flammables |
|
PKA |
2.49 ± 0.10 (diprediksi) |
|
Formulir |
Kristal leleh murah padhet |
|
Werna |
Pucatan kuning |
|
PH |
7 (H2O, 20 ℃) |
|
Kelarutan banyu |
Larut ing banyu. |
|
Jecfa Nomer |
767 |
|
Brn |
1726 |
|
Rujukan Database CAS |
108-50-9 (Rujukan Database CAS) |
|
Cathetan Kimia NIST |
Pyrazine, 2,6-dimethyl- (108-50-9) |
|
Sistem Registri EPA |
Pyrazine, 2,6-dimethyl- (108-50-9) |
|
Kode Hazard |
Xn, f |
|
Pernyataan Resiko |
10-22-37 / 38S1-11 |
|
Pratelan safety |
16-26-39 |
|
Ridadr |
PBB 1325 4.1 / pg 2 |
|
WGK Jerman |
3 |
|
RTEK |
UQ2975000 |
|
Tsca |
Ya |
|
Hazardclass |
4.1 |
|
Packinggroup |
III |
|
Kode hs |
29339990 |
|
Properties Kimia |
Pucat kuning lebur kristal sithik |
|
Properties Kimia |
2,6-dimethylpyrazine duwe nutty, kopi kaya kopi. |
|
Preparation |
Kanthi kondensasi 1,2-diaminopropane, diikuti karo kromatografi kolom kanggo misahake 2,6-methylpyrazine saka 2,5-dimethylpyrazine. |
|
Nilai ambang Aroma |
Deteksi: 400 nganti 1500 ppb. Karakteristik Aroma ing 1.0%: Musty, powdery, rokok, teh godhong garing, tutup jamur bumi lan daging kentang, panganan kentang, lan kopi. |
|
Nilai ambang rasa |
Karakteristik rasa ing 5.0 ppm: musty lan kadonyan, cangkang kacang butty, kopa polong, kopi bumi, bengok, Woody, susu, susu panggang kacang buncis. |
|
Produk Preparation |
2,6-Dimethylpiperazine -> 3,5-dimethyl-2-etylpyrazine |
|
Bahan mentah |
1,2-diaminopropane ->> 2,5-dimethyly Pyrazine |
