1.04350

L-ヒスチジン 一塩酸塩 一水和物

for biochemistry

• 別名: L-α-アミノ-β-(4-イミダゾリル)プロピオン酸 一塩酸塩
• 実験式（ヒル表記法）: C₆H₉N₃O₂ · HCl · H₂O
• CAS番号: 5934-29-2
• 分子量: 209.63
• Beilstein: 4168261
• MDL番号: MFCD00151027
• UNSPSCコード: 12352209
• EC Index Number: 211-438-9
• NACRES: NA.21

特性

• 蒸気圧: <1 hPa ( 20 °C)
• 品質水準: 100
• 形状: crystalline powder
• pH: 3.5-4.5 (20 °C, 100 g/L in H₂O)
• mp: 254 °C (dec.) (lit.)
• 溶解性: 149.55 g/L
• 密度: 1.49 g/cm³ at 20 °C
• かさ密度: 770 kg/m³
• 保管温度: 2-30°C
• SMILES記法: O.Cl.N[C@@H](Cc1c[nH]cn1)C(O)=O
• InChI: 1S/C6H9N3O2.ClH.H2O/c7-5(6(10)11)1-4-2-8-3-9-4;;/h2-3,5H,1,7H2,(H,8,9)(H,10,11);1H;1H2/t5-;;/m0../s1
• InChI Key: CMXXUDSWGMGYLZ-XRIGFGBMSA-N

詳細

アナリシスノート

Assay (alkalimetric, calculated on dried substance): ≥ 99.0 %
Identity (IR-spectrum): passes test
Appearance: white to almost white crystalline powder or colorless crystals
Appearance of solution (50 g/l CO₂-free water): clear and colorless
Spec. rotation (α 20/D, 110 g/l, hydrochloric acid 120 g/l, calc. on dried substance): +9.2 to +10.6
Sulfate (SO₄): ≤ 0.02 %
Heavy metals (as Pb): ≤ 0.001 %
As (Arsenic): ≤ 0.0005 %
Ca (Calcium): ≤ 0.001 %
Co (Cobalt): ≤ 0.0005 %
Fe (Iron): ≤ 0.0005 %
K (Potassium): ≤ 0.0005 %
Mg (Magnesium): ≤ 0.0005 %
Na (Sodium): ≤ 0.005 %
NH₄ (Ammonium): ≤ 0.01 %
Zn (Zinc): ≤ 0.0005 %
Foreign amino acids: ≤ 0.3 %
Other ninhydrine positive substances: ≤ 0.1 %
Loss on drying (150 °C): 7.0 - 10.0 %

安全性情報

• 保管分類コード: 11 - Combustible Solids
• WGK: WGK 1
• 引火点(°F): Not applicable
• 引火点(℃): Not applicable