1.01007

L-Alanine

for biochemistry

• 别名: L-Alanine, 2-Aminopropionic acid, Ala
• 经验公式（希尔记法）: C₃H₇NO₂
• CAS号: 56-41-7
• 分子量: 89.09
• 分類程式碼代碼: 12352209
• 酶委員會索引編號: 200-273-8
• NACRES: NA.21

属性

• 品質等級: 100
• 形狀: solid
• pH值: 5.5-6.5 (20 °C, 100 g/L in H₂O)
• mp: 295-297 °C (decomposition)
• 溶解度: 166.5 g/L
• 密度: 1.40 g/cm³ at 20 °C
• 體積密度: 660 kg/m³
• 儲存溫度: 2-30°C
• InChI: 1S/C3H7NO2/c1-2(4)3(5)6/h2H,4H2,1H3,(H,5,6)
• InChI 密鑰: QNAYBMKLOCPYGJ-UHFFFAOYSA-N

说明

一般說明

for biochemistry

應用

L-Alanine for biochemistry. CAS 56-41-7, pH 5.5 - 6.5 (100 g/l, H₂O, 20 °C).

分析報告

Assay (perchloric acid titration, calculated on dried substance)99.0 - 101.0 %Identity (IR-spectrum)passes testIdentity (specific rotation)passes testAppearancewhite to almost white crystalline powder or colorless crystalsAppearance of solution (25 g/l, water)clear and not more intense in color than reference solution BY₆Spec. rotation (α 20/D, 100 g/l, hydrochloric acid 250 g/l, calc. on dried substance)+13.5 to +15.5Chloride (Cl)≤ 200 ppmSulfate (SO₄)≤ 100 ppmAs (Arsenic)≤ 5 ppmCa (Calcium)≤ 50 ppmCo (Cobalt)≤ 5 ppmFe (Iron)≤ 5 ppmK (Potassium)≤ 5 ppmMg (Magnesium)≤ 5 ppmNa (Sodium)≤ 50 ppmPb (Lead)≤ 10 ppmZn (Zinc)≤ 5 ppmNinhydrin-positive substances (LC)(any ninhydrin-positive impurity)≤ 0.1 %Ninhydrin-positive substances (LC) (ammonium (570 nm))≤ 0.02 %Ninhydrin-positive substances (LC)(total impurities)≤ 0.5 %Loss on drying (105 °C; 3 h)
≤ 0.2 %≤ 0.2 %

安全信息

• 儲存類別代碼: 11 - Combustible Solids
• 水污染物質分類（WGK）: WGK 1
• 閃點（°F）: Not applicable
• 閃點（°C）: Not applicable