Skip to Content
MilliporeSigma
All Photos(1)

Key Documents

1.05362

Millipore

L-Isoleucine

for biochemistry

Synonym(s):

L-Isoleucine, iso-Leucine, Ile

Sign Into View Organizational & Contract Pricing


About This Item

Empirical Formula (Hill Notation):
C6H13NO2
CAS Number:
Molecular Weight:
131.17
MDL number:
UNSPSC Code:
12352209
EC Index Number:
200-798-2
NACRES:
NA.21

Pricing and availability is not currently available.

Quality Level

form

solid

pH

5.5-6.5 (20 °C, 40 g/L in H2O)

mp

279-280 °C (decomposition)

solubility

40 g/L

bulk density

470 kg/m3

storage temp.

2-30°C

SMILES string

[N+H3][C@@H]([C@H](CC)C)C(=O)[O-]

InChI

1S/C6H13NO2/c1-3-4(2)5(7)6(8)9/h4-5H,3,7H2,1-2H3,(H,8,9)/t4-,5-/m0/s1

InChI key

AGPKZVBTJJNPAG-WHFBIAKZSA-N

Compare Similar Items

View Full Comparison

Show Differences

1 of 4

This Item
8.216271.946051.94505
Quality Level

300

Quality Level

200

Quality Level

-

Quality Level

-

grade

ACS reagent

grade

-

grade

ACS reagent

grade

-

form

liquid

form

liquid

form

-

form

-

mp

−107 °C (lit.)

mp

−107 °C (lit.)

mp

−107 °C (lit.)

mp

−107 °C (lit.)

cation traces

Al: ≤0.00005%, Ba: ≤0.00001%, Cd: ≤0.000005%, Cr: ≤0.000002%, Fe: ≤0.00001%, Mn: ≤0.000002%, Pb: ≤0.00001%, Zn: ≤0.00001%, B: ≤0.000002%, Co: ≤0.000002%, Mg: ≤0.00001%, Sn: ≤0.00001%, Ca: ≤0.00005%, Ni: ≤0.000002%, Cu: ≤0.000002%

cation traces

-

cation traces

-

cation traces

-

Analysis Note

Assay (perchloric acid titration, calculated on dried substance): ≥ 99.0 %
Identity (IR-spectrum): passes test
Appearance: white to almost white, crystalline powder or flakes
Appearance of solution (1 mol/l, hydrochloric acid 1 mol/l): clear and colorless
Spec. rotation (α 20/D, 50 g/l, hydrochloric acid 1 mol/l, calc. on dried substance): +36.2 to +37.2
UV-Absorption (260 nm, 1 mol/l, 1 cm, hydrochloric acid 1 mol/l): ≤ 0.10
UV-Absorption (280 nm, 1 mol/l, 1 cm, hydrochloric acid 1 mol/l): ≤ 0.10
Chloride (Cl): ≤ 0.02 %
Sulfate (SO₄): ≤ 0.01 %
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: ≤ 0.5 %
Other ninhydrine positive substances: ≤ 0.1 %
Loss on drying (105 °C; 3 h): ≤ 0.3 %

Storage Class

13 - Non Combustible Solids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable


  • Certificates of Analysis (COA)

    Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

    Need A Sample COA?

    This is a sample Certificate of Analysis (COA) and may not represent a recently manufactured lot of this specific product.

    Already Own This Product?

    Find documentation for the products that you have recently purchased in the Document Library.

    Visit the Document Library

    Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

    Contact Technical Service