Factory Directly Supply Feed Grade Threonine Acid 98.5% L-Threonine CAS No 72-19-5
38 Inquiries
72-19-5
Shanghai, China
Zhishang Chem
100g; 1kg; 25g
2022-12-31
Dichloromethane,Linocaine hydrochloride
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Product Description
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Seller Information
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Inquiry History
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Description
Melting point 256 °C (dec.)(lit.) alpha -28.4 º (c=6, H2O) Boiling point 222.38°C (rough estimate) density 1.3126 (rough estimate) FEMA 4710 | L-THREONINE refractive index -28 ° (C=6, H2O) storage temp. Store at RT. solubility H2O: 50 mg/mL form powder pka 2.09(at 25ºC) color Yellow 
Packing
· 1kg/aluminium foil bag, with two plastic bags inside.
· 25kg/fiber drum, with two plastic bags inside.
Size:ID 42cm*H52cm,0.08m3/drum;
Net Weight:25kgs Gross Weight:28kgs.
Delivery- ≤50kg, Express delivery recommended, usually called as DDU service;
- ≤500kg,Air shipping recommended, usually called as CIF service;
- >500kg, sea shipping recommended, usually called as FOB, CFR, or CIF service;
- For high value products, please select air shipping and express delivery for safety.
About us
Shandong Zhishang Chemical Co.,Ltd owned by Zhishang International Group,is a new chemical enterprise with R&D.
manufacture and sales department.
Our company mainly produce pharmaceutical raw materials and intermediate(expecially Carbohydrate derivatives series).
In recent years,we had made big breakthrough in feed additive,plant extraction,industrial chemicals line.
With our "Honest operation,Quality controlling,Clients first"theory,our company enjoy good repute both home and abroad.
The R&D center located in High-tech zone in Jinan,our production based is in Chemical park of Zhangqiu and Tai'an.Our production process strictly conform with ISO 9001 and ISO 2000 standard.Our lab and workshop also follows strictly with GMP standard.Our products are sold all over Europe,North&South America, Sino-East, Asia and pacific area as well as Africa,we establish long term and stable business relations.We have large scale liquid chemical terminal and professional chemical warehouse.
We will always adhere to expand business scope and provide the best quality products and service to the world.
- DO YOU ACCEPT SAMPLE ORDER?
We accept sample orders. We will make samples before mass production, and after sample approved, we'll begin mass production. Doing 100% inspection during production, then do random inspection before packing.
2.HOW TO CONFIRM THE PRODUCT QUALITY BEFORE PLACING ORDERS?
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.
3.WHAT'S YOUR MOQ?
Our MOQ is 1kg. But usually we accept less quantity such as 100g on the condition that sample charge is 100% paid.
4.DO YOU SUPPLY PRODUCT REPORT?
Yes. We'll give you product analysis report before shipping.
5.IS THERE A DISCOUNT?
Different quantity has different discount.
Our Advantage
10 Years Experience
Our products are sold all over Europe,North&South America, Sino-East, Asia and pacific area as well as Africa,we establish long term.
Quality service
Company cooperates with research institutes. We strictly control the process of raw materials up to finished product.
24 hour serviceQuick and clear response to customers questions. Warm after sale service, we will help to solve the problems in your usage.
High quality
Dedicated to serving customers first, we provide reasonable prices, high quality products.ECHEMI Editorial ReferenceL-Threonine is a natural amino acid, can be produced by microbial fermentation, and is used in food, medicine, or feed[1].
Solid|White crystalline powder; slight savoury aroma
L-threonine is an optically active form of threonine having L-configuration. It has a role as a nutraceutical, a micronutrient, a Saccharomyces cerevisiae metabolite, a plant metabolite, an Escherichia coli metabolite, a human metabolite, an algal metabolite and a mouse metabolite. It is an aspartate family amino acid, a proteinogenic amino acid, a threonine and a L-alpha-amino acid. It is a conjugate base of a L-threoninium. It is a conjugate acid of a L-threoninate. It is an enantiomer of a D-threonine. It is a tautomer of a L-threonine zwitterion.|An essential amino acid occurring naturally in the L-form, which is the active form. It is found in eggs, milk, gelatin, and other proteins.|Threonine is an essential amino acid in humans (provided by food), Threonine is an important residue of many proteins, such as tooth enamel, collagen, and elastin. An important amino acid for the nervous system, threonine also plays an important role in porphyrin and fat metabolism and prevents fat buildup in the liver. Useful with intestinal disorders and indigestion, threonine has also been used to alleviate anxiety and mild depression. (NCI04)Basic Info-
Product Name:
L-Threonine
Other Name:L-Threonine;Threonine,L-;Butanoic acid,2-amino-3-hydroxy-,[R-(R*,S*)]-;Threonine;Threonin;[R-(R*,S*)]-2-Amino-3-hydroxybutanoic acid;(S)-Threonine;L-(-)-Threonine;2-Amino-3-hydroxybutyric acid;NSC 16589;NSC 46701;48: PN: WO2004076659 FIGURE: 7 claimed protein;46: PN: WO2005016244 PAGE: 70 claimed protein;49: PN: WO2005016244 PAGE: 70 claimed protein;3046: PN: WO2004111636 SEQID: 516 unclaimed protein;2: PN: US20090069547 PAGE: 10 claimed protein;17: PN: WO2011044089 SEQID: 18 claimed protein;4: PN: WO2012076822 PAGE: 51 claimed sequence;(2S,3R)-2-Amino-3-hydroxybutanoic acid;13095-55-1;25275-17-6;36676-50-3;154605-64-8;154605-68-2;1043597-96-1;1370710-06-7;1644578-86-8
CAS No.:72-19-5
Molecular Formula:C4H9NO3
InChIKeys:InChIKey=AYFVYJQAPQTCCC-GBXIJSLDSA-N
Molecular Weight:119.11900
Exact Mass:119.12
EC Number:200-774-1
UNII:2ZD004190S
NSC Number:760118
DSSTox ID:DTXSID2046412
NCI Thesaurus Code:C29602
Color/Form:Colorless crystals|Crystals
HScode:29225000
Categories:
Characteristics-
PSA:
83.55000
XLogP3:-2.9
Appearance:Solid
Density:1.307g/cm3
Melting Point:256 °C (decomp)
Boiling Point:345.803ºC at 760 mmHg
Flash Point:162.936ºC
Refractive Index:1.507
Water Solubility:H2O: 97.0 mg/mL
Storage Conditions:Store at RT.
Vapor Pressure:1.32X10-8 mm Hg at 25 deg C (est)
PKA:5.6None
Henrys Law Constant:Henry's Law constant = 7.24X10-14 atm-cu m/mol at 25 °C (est)
Dissociation Constants:5.60|pKa1' = 2.63 (SRC: carboxylic acid); pKa2' = 10.43 (SRC: amine)
Collision Cross Section:141.36 Ų [M-H]- [CCS Type: DT, Method: stepped-field]|122 Ų [M+H]+ [CCS Type: TW, Method: calibrated with polyalanine]|126.7 Ų [M+H]+ [CCS Type: DT, Method: single field calibrated with ESI Low Concentration Tuning Mix (Agilent)]|120.2 Ų [M-H]- [CCS Type: DT, Method: single field calibrated with ESI Low Concentration Tuning Mix (Agilent)]|129.2 Ų [M-H]-
Experimental Properties:Orthorhombic crystals, decomposes at 229-230 °C /Threonine, DL-form hemihydrate/|UV: 1-34 (Organic Electronic Spectral Data, Phillips et al, John Wiley & Sons, New York) /Threonine (DL)/
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:
Dichloromethane,Linocaine hydrochloride
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Location:
BUILDING 1,HISENSE INTELLIGENCE VALLEY,NO.2116,OF PHOEIX ROAD, HIGH-TECH ZONE ,JINAN CITY ,SHANDONG PROVINCE,CHINA
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Payment Terms:
D/P,L/C,D/A
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Average lead Time:
15
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Total Annual Revenue:
$10 million-$25 million
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Total Employees:
11-50
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Year of Establishment:
2016
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Inquiry History38 Inquiries
Country Product Purchase Quantity Date Posted 
India
L-Threonine
1.00 KG May 20, 2025 
Egypt
L-Threonine
100.00 KG Aug 20, 2026
India
L-Threonine
1.00 MT Apr 2, 2026 
Russia
L-Threonine
100 MT Apr 1, 2026
India
L-Threonine
10.00 MT Feb 25, 2026
India
L Threonine
1.00 MT Jan 4, 2026
India
L-Threonine
500.00 KG Dec 15, 2025 
Greece
THREONINE (Thr, T)
700.00 KG Sep 25, 2025 
Ecuador
L-Threonine
1000 KG Aug 13, 2025
India
L-Threonine
5.00 MT Jul 17, 2025
India
L-Threonine
1 MT Apr 23, 2025
India
L-THREONINE
100.00 KG Mar 25, 2025 
Thailand
L-Threonine
1 KG Mar 17, 2025 
Pakistan
L-THREONINE
27000 KG Mar 4, 2025
India
L-Threonine pharma grade
25.00 KG Feb 8, 2025 
Czech
Threonine
2780000 KG Dec 16, 2024 
Canada
L-Threonine
1 20' Fcl Nov 26, 2024
Russia
L-threonine
1 MT Jul 2, 2024
India
L-Threonine
2.00 MT May 14, 2024 
Romania
L-THREONINE
500 KG Mar 12, 2024 Post an enquiry for this product
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