High purity L-Isoleucine for food additives

Product Name:

(2S,3S)-2-Amino-3-methylpentanoic acid

Synonyms:

(2S,3S)-2-Amino-3-methylpentansαure;(2s,3s)-alpha-amino-beta-merthylvalericacid;(2s,3s)-alpha-amino-beta-methyl-n-valericacid;(s-(r*,r*))-2-amino-3-methylpentanoicaci;(s-(r*,r*))-2-amino-3-methylpentanoicacid;(S,S)-2-amino-3-methyl-pentanoicacid;(s,s)-isoleucine;[S-(R*,R*)]-2-Amino-3-methylpentanoic acid

CAS:

73-32-5

MF:

C6H13NO2

MW:

131.17

Product Categories:

Amino Acids;Isoleucine [Ile, I];Amino Acids and Derivatives;alpha-Amino Acids;Biochemistry;Nutritional Supplements;Amino Acids;GEODON;amino;Inhibitors

Mol File:

73-32-5.mol

Chemical Properties

AJI92

Item

Limit

Result

Assay

98.5～101.0%

99.8%

pH

5.5～6.5

5.8

Specific rotation[a]D20

+39.5°～+41.5°

+40.2°

State of solution

clear & colorless

clear & colorless

(Transmittance T430)

≥98.0%

99.5%

Chloride(Cl)

≤0.02%

<0.02%

Ammonium(NH4)

≤0.02%

<0.02%

Sulfate(SO4)

≤0.02%

<0.02%

Iron(Fe)

≤10ppm

<10ppm

Heavy metals(as Pb)

≤10ppm

<10ppm

Arsenic(As2O3)

≤1ppm

<1ppm

Other amino acids

≤0.5%

conforms

Loss on drying

≤0.20%

0.15%

Residue on ignition

≤0.10%

0.03%

USP24

Item

Limit

Result

Assay

98.5～101.5%

99.7%

pH

5.5～7.0

5.9

Specific rotation[a]D20

+38.9°～+41.8°

+41.1°

Chloride(Cl)

≤0.05

<0.05%

Sulfate(SO4)

≤0.03%

<0.03%

Iron(Fe)

≤30ppm

<30ppm

Heavy metals(Pb)

≤15ppm

<15ppm

Arsenic(AS)

≤1.5ppm

<1.5ppm

Loss on drying

≤0.3%

0.06%

Residue on ignition

≤0.3%

0.01%

Organic volatile impurities

conform

conform