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1.08411

L-Threonine

Name: L-Threonine
Brand: MM

for biochemistry

别名:

L-Threonine, Thr, 2-Amino-3-hydroxybutanoic acid

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关于此项目

经验公式（希尔记法）:

C₄H₉NO₃

化学文摘社编号:

72-19-5

分子量:

119.12

UNSPSC Code:

12352209

EC Index Number:

200-774-1

NACRES:

NA.21

MDL number:

MFCD00064270

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属性

Quality Level

200

form

solid

pH

5-6 (20 °C, 100 g/L in H₂O)

mp

265-270 °C

solubility

90 g/L

bulk density

370 kg/m³

storage temp.

2-30°C

SMILES string

[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 key

AYFVYJQAPQTCCC-UHFFFAOYSA-N

说明

Analysis Note

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 %

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存储类别

13 - Non Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c