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1.04350

L-组氨酸单盐酸盐一水合物

Name: <SC>L</SC>-组氨酸 单盐酸盐 一水合物
Brand: MM

for biochemistry

别名:

L-α-氨基-β-（4-咪唑基）丙酸单盐酸盐

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关于此项目

经验公式（希尔记法）:

C₆H₉N₃O₂ · HCl · H₂O

化学文摘社编号:

5934-29-2

分子量:

209.63

UNSPSC Code:

12352209

NACRES:

NA.21

EC Index Number:

211-438-9

MDL number:

MFCD00151027

Beilstein/REAXYS Number:

4168261

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属性

vapor pressure

<1 hPa ( 20 °C)

Quality Level

100

form

crystalline powder

pH

3.5-4.5 (20 °C, 100 g/L in H₂O)

mp

254 °C (dec.) (lit.)

solubility

149.55 g/L

density

1.49 g/cm³ at 20 °C

bulk density

770 kg/m³

storage temp.

2-30°C

SMILES string

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

说明

Analysis Note

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 %

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存储类别

11 - Combustible Solids

flash_point_f

Not applicable

flash_point_c