L-Proline minangka salah sawijining asam amino sing paling penting ing sintesis protein awak. Iki uga minangka salah sawijining bahan baku penting kanggo infus asam amino lan sintesis captopril lan antihipertensi garis pertama kayata penengah utama. Wis akeh digunakake ing industri panganan.
L-Prolin
L-Prolin CAS: 147-85-3
Properti Kimia L-Prolin
MF: C5H9NO2
MW: 115.13
EINECS: 205-702-2
Titik lebur: 228 ° C (dec.) (Surem)
alpha: -85.5 º (c = 4, H2O)
Titik didih: 215,41 ° C (perkiraan kasar)
Kapadhetan: 1.35
Indeks refraktif: -85 ° (c = 4, h2o)
Kelarutanh2o: 50 mg / ml
Pka: 1,95, 10.64 (at 25â „ƒ)
Ph: 6.0-7.0 (25â „ƒ, 1m ing h2o)
Aktivitas optik: [Î ±] 20 / D 85.0 ± 1.0 °, c = 5% ing H2O
Kelarutan Banyu: larut
L-Prolin CAS: 147-85-3 Specification:
L-Prolin |
AJI92 |
Indeks Eropa |
Kelas siji |
Indeks USA |
Assay |
99.0-101.0% |
98.5-101.0% |
â ‰ ¥ 99,0% |
98,5-101.5% |
PH |
5.9-6.9 |
/ |
5.9-6.9 |
/ |
Rotasi khusus [a] D20 |
-84.5 ° --86.0 ° |
-84.0 ° --86.0 ° |
-84.5 ° --86.0 ° |
/ |
Rotasi khusus [a] D25 |
/ |
/ |
/ |
-84,3 ° --86,3 ° |
Transmisi (T430) |
â ‰ ¥ 98,0% |
jelas & tanpa warna |
â ‰ ¥ 98,0% |
/ |
Klorida (Cl) |
â ‰ ¤0.02% |
â ‰ ¤0.02% |
â ‰ ¤0.02% |
â ‰ ¤0,05% |
Amonium (NH4) |
â ‰ ¤0.02% |
â ‰ ¤0.02% |
â ‰ ¤0.02% |
|
Sulfat (SO4) |
â ‰ ¤0.02% |
â ‰ ¤0,03% |
â ‰ ¤0.02% |
â ‰ ¤0,03% |
Wesi (Fe) |
â ‰ ¤10PPM |
â ‰ ¤10PPM |
â ‰ ¤10PPM |
/ |
Logam abot (Pb) |
â ‰ ¤10PPM |
â ‰ ¤10PPM |
â ‰ ¤10PPM |
â ‰ ¤15PPM |
Arsenik |
â ‰ ¤1PPM |
/ |
â ‰ ¤1PPM |
|
Asam amino liyane |
impurities individuâ ‰ ¤0.5% total impuritiesâ ‰ ¤2.0% |
impurities individuâ ‰ ¤0.20% total impuritiesâ ‰ ¤0.5% |
â ‰ ¤0,5% |
impurities individuâ ‰ ¤0.5% total impuritiesâ ‰ ¤2.0% |
Bahan kimia positif Ninhydrin |
/ |
selaras |
/ |
|
Rusak ing pangatusan |
â ‰ ¤0,30% |
â ‰ ¤0,50% |
â ‰ ¤0,30% |
â ‰ ¤0,4% |
Residu ing kontak |
â ‰ ¤0,10% |
â ‰ ¤0,10% |
â ‰ ¤0,10% |
â ‰ ¤0,4% |
Kotor organik sing ora stabil |
/ |
/ |
/ |
/ |
Endotoxin |
/ |
/ |
<10EU / g |
/ |