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High Quality L-Leucine Powder CAS 61-90-5 Food Grade White Powder

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CAS No.:

61-90-5

Grade:

Food Grade

Content:

99%

Port:

shanghai

Brand:

HNB

Packaging:

25kg Cardboard Drum

Price valid (until):

2026-04-18

Contact Supplier

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HNB Biotech

Company Type:

Manufactory

Location:

China

Qualification:

Main Products:

Ivermectin,Active pharmaceutical ingredients,Cosmetics material,Chemical intermediate,Nootropic,Food additive

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Product Description
Seller Information
Inquiry History

Description

Product Description

L-Leucine (CAS 61-90-5) is a high-purity food-grade essential branched-chain amino acid (BCAA), appearing as white crystalline powder with stable chemical properties and a slight characteristic odor. As a widely used food additive and nutritional fortifier, it cannot be synthesized by the human body and must be supplemented via diet or functional products. With a purity of ≥99%, this product is factory-direct supplied at a competitive price, featuring good solubility in dilute acids and alkalis and stable performance during processing. It is widely recognized by global buyers in food processing, dietary supplements and sports nutrition sectors, and can effectively improve the nutritional value and application effects of end products.

Dietary Supplements & Sports Nutrition: Promotes muscle synthesis and recovery, reduces muscle breakdown, widely used in bodybuilding supplements.

🔹 Food Additives: Added to nutritional foods, infant formula to supplement essential amino acids and improve nutritional balance.

🔹 Pharmaceutical: Applied in amino acid infusion and nutritional preparations for malnutrition and postoperative patients.

🔹 Feed Additives: Improves animal growth rate, enhances immunity and feed conversion efficiency.

Items	Specifications
Name	L-Leucine
CAS	61-90-5
Molecular formula	C6H13NO2
Density	131.17

About Us

Xian Harmonious Natural Bio- Technology Co., Ltd was founded in 2017, and located in Xian International Logistics Industrial Zone, Xian City. Shaanxi Province, China. Now it is the leading researcher and one of the biggest manufacturer in high technology APl area.

There are 8 experts in our research team. We insistin innovation and produce high quality products. And GMP standard workshop and complete stainless extraction equipment.

We have 2 sales deparments over 20 people and sell our products allover the word. We also have strong professional research and development team talented personnel and completely equipped laboratoy for the quality controlling. Various Detection Device is equipped in HNB company, such as HPLCGC, Spectrophotometer, AAS, Polarimeter, Auto titrators, BOD Incubators, COD Incubators, Melting point apparatus and so on.
HNB mainly engaged in export of products incuding,without limitation., pharmaceutical raw materials both for vet and human, also Vitamins, Amino Acids minerals, peptides, plant extract, feed and food additives. Our company's business is based on Honest, Trustwortly, Constanty to Go Beyond and Achieve Mutual Win. Sincerely hope to strengthen exchanges and cooperation with friends from both home and abroad.
Passion to innovate, Power to deliver !

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FAQ

Q1 Can i get some samples?

A1 Yes, we can supply the free sample, but the shipping cost be paid by our customers.

Q2 How to start orders or make payments?

A2 Proforma invoice will be sent first after confirmation of order, enclosed our bank information.

Payment by T/T,or Paypal or Escrow(Alibaba).

Q3 How to confirm the Product Quality before placing orders?

A3 You can get free samples for some products,you only need to pay the shipping cost or arrange a courier

to us and take the samples. You can send us your product specifications and requests,we will manufacture

the products according to your requests.

Q4 What’s your MOQ?

A4 Our MOQ is 1kg. But usually we accept less quantity such as 100g on the condition that sample charge

is 100% paid.

Q5 How about delivery leadtime?

A5 Delivery lead time: About 3-5 days after payment confirmed. (Chinese holiday not included)

Q6 Is there a discount?

A6 Different quantity has different discount.

Q7 How do you treat quality complaint?

A7 First of all, our quality control will reduce the quality problem to near zero. If there is a real quality problem

caused by us, we will send you free goods for replacement or refund your loss.

Q8 How to contact us ?

A8 You can choose your interested products and send inquiry to us.

Certificates

Basic Info

Product Name:

L-Leucine

Other Name:

L-Leucine;Leucine,L-;Leucine;Pentanoic acid,2-amino-4-methyl-,(S)-;Leu;(S)-2-Amino-4-methylvaleric acid;(S)-(+)-Leucine;(S)-2-Amino-4-methylpentanoic acid;(S)-Leucine;L-α-Aminoisocaproic acid;L-(+)-Leucine;L-Norvaline,4-methyl-;NSC 46709;(2S)-2-Amino-4-methylpentanoic acid;L-2-Amino-4-methylpentanoic acid;(2S)-2-Amino-4-methylpentanoic acid;1: PN: WO2020097235 SEQID: 238 claimed sequence;17: PN: WO2021055880 SEQID: 18 claimed protein;7005-03-0

CAS No.:

61-90-5

Molecular Formula:

C6H13NO2

InChIKeys:

InChIKey=ROHFNLRQFUQHCH-YFKPBYRVSA-N

Molecular Weight:

131.17300

Exact Mass:

131.17

EC Number:

200-522-0

UNII:

GMW67QNF9C

NSC Number:

760100

DSSTox ID:

DTXSID9023203

NCI Thesaurus Code:

C29599

Color/Form:

White glistening hexagonal plates from aqueous alcohol|White crystals

HScode:

29224995

Categories:

Nutrition Supplements

Characteristics

PSA:

63.32000

XLogP3:

-1.5

Appearance:

Solid

Density:

1.14 g/cm³

Melting Point:

293 °C

Boiling Point:

122-134 °C @ Press: 2-3 Torr

Flash Point:

90.3ºC

Refractive Index:

1.463

Water Solubility:

H2O: 22.4 g/L (20 C)

Storage Conditions:

Store at RT.

Vapor Pressure:

<1 hPa (20 °C)

Specific rotation:

Specific optical rotation: -10.8 at 25 °C/D (c = 2.2); +15.1 deg at 26 °C/D in 6N HCl (38 mols HCl per mol leucine); +7.6 deg at 20 °C/D in 3N NaOH (30 mols NaOH per mol leucine). Molecular rotation: +21.0 deg at /D (5NHCl); +29.5 deg /D (glacial acetic acid)

PKA:

2.35(at 13 °C)

Henrys Law Constant:

Henry's Law constant = 3.49X10-9 atm-cu m/mol at 25 °C (est)

Dissociation Constants:

2.35 (at 13 °C)|pKa = 2.35|pKa1 = 2.36 (carboxylic acid); pKa2 = 9.63 (amine) (est)

Collision Cross Section:

135.16 Å² [M+H]+ [CCS Type: DT, Method: stepped-field]|138.71 Å² [M-H]- [CCS Type: DT, Method: stepped-field]|128 Å² [M+H]+ [CCS Type: TW, Method: calibrated with polyalanine]|134.8 Å² [M+H]+ [CCS Type: DT, Method: single field calibrated with ESI Low Concentration Tuning Mix (Agilent)]|130.6 Å² [M-H]- [CCS Type: DT, Method: single field calibrated with ESI Low Concentration Tuning Mix (Agilent)]|132.51 Å² [M-H]- [CCS Type: DT, Method: stepped-field]|135.56 Å² [M+H]+ [CCS Type: DT, Method: stepped-field]|131.8 Å² [M-H]-

Experimental Properties:

Crystals. Freely soluble in water. /Leucine hydrochloride/|Hydroxyl radical reaction rate constant = 4.23X10-11 cu cm/molec-sec at 25 °C (est)

See More L-Leucine Properties 

Hazard Identification

Classification of the substance or mixture

Not classified.

GHS label elements, including precautionary statements

Precautionary statement(s)
Pictogram(s)	No symbol.
Signal word	No signal word
Hazard statement(s)	none
Prevention	none
Response	none
Storage	none
Disposal	none

Other hazards which do not result in classification

no data available

Handling and Storage

Precautions for safe handling

Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.

Conditions for safe storage, including any incompatibilities

Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials.

See More L-Leucine Safety Data Sheet 

Seller Information

Business Type:
Manufactory

Main Products:
Ivermectin,Active pharmaceutical ingredients,Cosmetics material,Chemical intermediate,Nootropic,Food additive

Location:
6 floor Baoyilongji Building B Weiyang Area, Fengcheng 8 Road, Xi'an city, Shaanxi, 710000, China

Payment Terms:
L/C,TT against B/L draft before shipment,100% TT in advance

Average lead Time:
7

Total Annual Revenue:
$5 million-$10 million

Total Employees:
51-100

Year of Establishment:
2017

Certifications:
ISO,ISO

Xi'an Harmonious Natural Bio-Technology Co., Ltd. was founded in 2010, and located in Xian

International Logistics Industrial Zone, Xi'an City, Shaanxi Province, China. Now it is the

leading researcher and one of the biggest manufacturer in high technology API area.

There are 8 experts in our research team. We insist in innovation and produce high quality

products. And GMP standard workshop and complete stainless extraction equipment.

We have 2 sales departments over 20 people and sell our products all over the world.

We also have strong professional research and development team, talented personnel and

completely equipped laboratory for the quality controlling. Various Detection Device is

equipped in HNB company, such as HPLC, GC, Spectrophotometer, AAS, Polarimeter, Auto

titrators, BOD Incubators, COD Incubators, Melting point apparatus and so on.

HNB mainly engaged in export of products including, without limitation, pharmaceutical raw

materials both for vet and human, also Vitamins, Amino Acids, minerals, peptides, plant

extract, feed and food additives.

Our company's business is based on Honest, Trustworthy, Constantly to Go Beyond and

Achieve Mutual Win. Sincerely hope to strengthen exchanges and cooperation with friends

from both home and abroad.

Passion to innovate, Power to deliver !

Inquiry History

9 Inquiries

Country	Product	Purchase Quantity	Date Posted
United States	L-leucine	10 MT	Jun 10, 2025
India	L-Leusine	25 KG	Apr 21, 2025
Switzerland	L- Leucine instant water soluble	2 MT	Jan 25, 2024
India	L-Leucine	17952 KG	Jul 8, 2026
Greece	LEUCINE (Leu,L)	1000.00 KG	Sep 25, 2025
India	L-Leucine	1 MT	Apr 23, 2025
India	L Leucine	30.00 TON	Aug 30, 2024
India	Leucine	50 G	Jun 10, 2024
India	L-Leucine	500 KG	Aug 22, 2023

Post an enquiry for this product

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