1.08411

L-Threonine

for biochemistry

• 别名: L-Threonine, Thr, 2-Amino-3-hydroxybutanoic acid
• 经验公式（希尔记法）: C₄H₉NO₃
• CAS号: 72-19-5
• 分子量: 119.12
• MDL號碼: MFCD00064270
• 分類程式碼代碼: 12352209
• 酶委員會索引編號: 200-774-1
• NACRES: NA.21

属性

• 品質等級: 200
• 形狀: solid
• pH值: 5-6 (20 °C, 100 g/L in H₂O)
• mp: 265-270 °C
• 溶解度: 90 g/L
• 體積密度: 370 kg/m³
• 儲存溫度: 2-30°C
• SMILES 字串: [N+H3]C(C(O)C)C(=O)[O-]
• InChI: 1S/C4H9NO3/c1-2(6)3(5)4(7)8/h2-3,6H,5H2,1H3,(H,7,8)
• InChI 密鑰: AYFVYJQAPQTCCC-UHFFFAOYSA-N

说明

分析報告

Assay (perchloric acid titration): ≥ 99.0 %
Identity (IR-spectrum): passes test
Appearance: white to almost white, fine powder
Appearance of solution (1 mol/l, water): clear and colorless
Spec. rotation (α 20/D, 50 g/l, hydrochloric acid 1 mol/l): -15.4 to -16.4
Heavy metals (as Pb): ≤ 0.001 %
NH₄ (Ammonium): ≤ 0.01 %
Foreign amino acids: ≤ 0.3 %
Other ninhydrine positive substances: ≤ 0.1 %

安全信息

• 儲存類別代碼: 13 - Non Combustible Solids
• 水污染物質分類（WGK）: WGK 1
• 閃點（°F）: Not applicable
• 閃點（°C）: Not applicable