Best price L-Leucine for food industry with high quality

Product Name:

L-Leucine

Synonyms:

(s)-2-amino-4-methylvalericacid;1-Leucine;2-Amino-4-methylpentanoic acid;2-amino-4-methylpentanoicacid;2-amino-4-methyl-valericaci;4-methyl-l-norvalin;4-methyl-norvalin;alpha-Amino-gamma-methylvaleric acid

CAS:

61-90-5

MF:

C6H13NO2

MW:

131.17

Product Categories:

Food and Feed Additive;Amino Acid Derivatives;Leucine [Leu, L];Amino Acids;Amino Acids and Derivatives;alpha-Amino Acids;Biochemistry;Nutritional Supplements;L-Amino Acids;Amino Acids;amino

Mol File:

61-90-5.mol

FCC4

Item

Limit

Result

Assay

≥98.5%

99.0%

pH

5.5～7.0

6.03

Specific rotation[a]D20

+14.9°～+16.5°

+15.13°

Iron

≤50ppm

<50ppm

Heavy metals

≤30ppm

<30ppm

Lead(Pb)

≤10ppm

<10ppm

Arsenic(As)

≤ 3ppm

<3ppm

Loss on drying

≤0.10%

0.06%

Residue on ignition

≤0.10%

0.04%

AJI92

Item

Limit

Result

Assay

99.0～100.5%

99.9%

pH

5.5～6.5

5.6

Specific rotation[a]D20

+14.9°～+16.0°

+15.6°

State of solution

clear & colorless

clear & colorless

(Transmittance T430)

≥98.0%

98.8%

Chloride(Cl)

≤0.020%

<0.020%

Ammonium(NH4)

≤0.02%

<0.02%

Sulfate(SO4)

≤0.020%

<0.020%

Iron(Fe)

≤10ppm

<10ppm

Heavy metals(as Pb)

≤10ppm

<10ppm

Arsenic(As2O3)

≤1ppm

<1ppm

Other amino acids

conform

conform

Loss on drying

≤0.20%

0.11%

Residue on ignition

≤0.10%

0.07%

USP24

Item

Limit

Result

Assay

98.5～101.5%

99.8%

pH

5.5～7.0

6.0

Specific rotation[a]D20

+14.9°～+17.3°

+15.7°

Chloride

≤0.05%

<0.05%

Sulfate

≤0.03%

<0.03%

Iron

≤30ppm

<30ppm

Heavy metals

≤15ppm

<15ppm

Arsenic(AS)

≤1.5ppm

<1.5ppm

Loss on drying

≤0.20%

0.12%

Residue on ignition

≤0.40%

0.01%

Organic volatile impurities

conform

conform