L-Leucine amino acid
GMP HALAL KOSHER ISO COA 8 Inquiries
61-90-5
Pharmaceutical Grade/ Nutrition/ nutraceutical
tianjin
25kg/drum; 25kg/bag
2026-04-21
Aspirin,Salicylic Acid
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Product Description
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Seller Information
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Inquiry History
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DescriptionCertificatesBasic Info
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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:
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 Ų [M+H]+ [CCS Type: DT, Method: stepped-field]|138.71 Ų [M-H]- [CCS Type: DT, Method: stepped-field]|128 Ų [M+H]+ [CCS Type: TW, Method: calibrated with polyalanine]|134.8 Ų [M+H]+ [CCS Type: DT, Method: single field calibrated with ESI Low Concentration Tuning Mix (Agilent)]|130.6 Ų [M-H]- [CCS Type: DT, Method: single field calibrated with ESI Low Concentration Tuning Mix (Agilent)]|132.51 Ų [M-H]- [CCS Type: DT, Method: stepped-field]|135.56 Ų [M+H]+ [CCS Type: DT, Method: stepped-field]|131.8 Ų [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)
Hazard IdentificationClassification of the substance or mixture
Not classified.
GHS label elements, including precautionary statements
Pictogram(s) No symbol. Signal word No signal word
Hazard statement(s) none
Precautionary statement(s) Prevention none
Response none
Storage none
Disposal none
Other hazards which do not result in classification
no data available
Handling and StoragePrecautions 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.
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Seller Information
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Business Type:
Manufactory
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Main Products:
Aspirin,Salicylic Acid
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Location:
No. 0006, Donghua street, North New District, hi tech Zone, Hengshui, Hebei Province
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Payment Terms:
TT against copy of documents,D/P,L/C,D/A
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Average lead Time:
60
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Total Annual Revenue:
$5 million-$10 million
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Total Employees:
201-300
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Year of Establishment:
2019
Hebei Jingye Pharmaceutical Technology Co., Ltd. is a pharmaceutical high-tech enterprise based in China and facing the world. The company is committed to growing into a manufacturer of high-quality salicylic acid and aspirin, focusing on the manufacture, development and service of cardio-cerebrovascular preparations and APIs . There are 4 existing product varieties and 6 reserve varieties, all of which have broad development prospects in the field of cardiovascular and cerebrovascular preparations and APIs.
Hebei Jingye Pharmaceutical Technology Co., Ltd.
Jingye Group is a large-scale group company with steel as its main business and concurrently engaged in deep processing of steel, international trade, powder metallurgy 3D printing, tourism and hotels. It has 23,500 employees and total assets of 39 billion yuan. In 2018, the Group achieved sales revenue of RMB 90.1 billion and tax revenue of RMB 3.35 billion. The Dedicated Group ranks 217 among the top 500 enterprises in the country, and 95 among the top 500 Chinese manufacturing enterprises. The group is a large-scale rebar production base in the world. It was selected as the first batch of green factories in 2017 by the Ministry of Industry and Information Technology, and was rated as the "2017 Beijing-Tianjin-Hebei Most Influential Responsible Brand. The "dedication" trademark is a well-known trademark in China, with a dedicated brand value of 20.668 billion yuan.
The company was founded in 1989 with advanced technological equipment and strong technical force. The main products are the dedicated brand sublimation salicylic acid, medicinal salicylic acid, and aspirin. The company has self-support import and export rights, and its products are sold at home and abroad, and its foreign exports are all over the United States, Russia, Britain, Germany, France and other European and American countries and a large number of Asian countries and regions.
In order to make the pharmaceutical industry bigger and stronger, the new plant is located in the National Technology Development Zone-Beijing·Cangzhou Bohai New Area Biomedical Industrial Park. The new plant covers an area of 100 acres and was heavily built by Tianjin Medical Design Institute with a total investment of 350 million yuan.
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Inquiry History8 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 
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
