L-Prolin
L-Prolin CAS: 147-85-3
Sifat Kimia L-Prolin
MF:C5H9NO2
MW: 115,13
EINECS:205-702-2
Titik lebur:228 °C (Desember)(menyala)
alfa:-85,5 (c=4, H2O)
Titik didih: 215,41°C (perkiraan kasar)
Kepadatan: 1.35
Indeks bias:-85 ° (c=4, h2o)
Kelarutanh2o: 50 mg/ml
Pka:1,95, 10,64(pada 25â)
Ph:6.0-7.0 (25℃, 1m di h2o)
Aktivitas optik:[α]20/D 85.0±1.0°, c = 5% dalam H2O
Kelarutan air: larut
L-Prolin CAS: 147-85-3 Specification:
L-Prolin |
AJI92 |
indeks Eropa |
Kelas satu |
indeks AS |
Pengujian kadar logam |
99,0-101,0% |
98.5-101.0% |
≥99,0% |
98,5-101,5% |
PH |
5.9-6.9 |
/ |
5.9-6.9 |
/ |
Rotasi spesifik[a]D20 |
-84.5°--86.0° |
-84.0°--86.0° |
-84.5°--86.0° |
/ |
Rotasi spesifik[a]D25 |
/ |
/ |
/ |
-84,3°--86,3° |
Transmisi (T430) |
≥98,0% |
bening & tidak berwarna |
≥98,0% |
/ |
Klorida (Cl) |
≤0,02% |
≤0,02% |
≤0,02% |
≤0,05% |
Amonium(NH4) |
≤0,02% |
≤0,02% |
≤0,02% |
|
Sulfat (SO4) |
≤0,02% |
≤0,03% |
≤0,02% |
≤0,03% |
Besi (Fe) |
≤10PPM |
≤10PPM |
≤10PPM |
/ |
Logam berat (Pb) |
≤10PPM |
≤10PPM |
≤10PPM |
â15PPM |
Arsenik |
â1PPM |
/ |
â1PPM |
|
Asam amino lainnya |
kotoran individuâ0,5% total kotoranâ2,0% |
kotoran individuâ0,20% total kotoranâ0,5% |
≤0,5% |
kotoran individuâ0,5% total kotoranâ2,0% |
Zat positif ninhidrin |
/ |
sesuai |
/ |
|
Kehilangan pengeringan |
≤0,30% |
≤0,50% |
≤0,30% |
≤0,4% |
Residu saat pembakaran |
≤0,10% |
≤0,10% |
≤0,10% |
≤0,4% |
Kotoran volatil organik |
/ |
/ |
/ |
/ |
Endotoksin |
/ |
/ |
<10EU/g |
/ |