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Food&Feed Grade L-Methionine Powder CAS 63-68-3

Name: Food&Feed Grade L-Methionine Powder CAS 63-68-3
Brand: TNJONE
SKU: pr2407191449
Price: 20 USD
Availability: InStock

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CAS No.:

63-68-3

Grade:

Food Grade

Content:

99%

Port:

china any port

Brand:

TNJONE

Packaging:

1kg ,25kg or according to customer's detail requirement.

Price valid (until):

2025-12-31

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Shaanxi TNJONE Pharmaceutical Co., Ltd

Company Type:

Manufactory

Location:

China

Qualification:

Main Products:

Semaglutide,Tirzepatide,API,Vitamins,Food Additive

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Product Description
Seller Information
Inquiry History

Description

Food&Feed Grade L-Methionine Powder CAS 63-68-3

What is L-Methionine?

L-Methionine is an essential amino acid, which means that it cannot be synthesized by the human body and must be obtained through diet. It plays a vital role in various physiological processes and is involved in the synthesis of proteins, methylation reactions, and the production of other important compounds in the body.

Items	Specifications
Product name	L-Methionine
CAS No.	63-68-3
MF	C5H11NO2S
MW	149.21
Melting Point	284 °C (dec.)(lit.)
Boiling Point	393.91°C (estimate)
EINECS.No	200-562-9
Density	1,34g/cm
Appearance	White crystal Powder
Shelf Life	2 Years When Properly Stored
Storage	Keep in a cool, dry, dark location in a tightly sealed container or cylinder.

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Certification

Items	Specifications
Appearance	White crystals or crystalline powder.
State of solution	≥98.0%
Chloride(Cl)	≤0.020%
Ammonium (NH4 )	≤0.02%
Sulfate(SO4)	≤0.020%
Iron(Fe)	≤ 10ppm
Heavy metals(Pb)	≤ 10ppm
Arsenic(As2O3)	≤ 1ppm
Other amino acids	Chromatographically not detectable
Loss on drying	≤0.30%
Residue on ignition	≤0.10%
Assay	99.0~100.5%
pH	5.6~6. 1

Function:

L-Methionine serves as a building block for proteins and is particularly important for the synthesis of the antioxidant compound glutathione. It is also a precursor for the formation of S-adenosylmethionine (SAMe), a critical molecule involved in numerous biochemical reactions, including the methylation of DNA and the synthesis of neurotransmitters.

Additionally, L-Methionine plays a role in the metabolism of fats and is involved in the production of important compounds such as cysteine, taurine, and carnitine. It is necessary for the proper function of various organs and systems, including the liver, immune system, and nervous system.

Application:

L-Methionine supplements are commonly utilized in the food and pharmaceutical industries. In the food industry, it is added as a nutrient supplement in animal feed to improve growth and overall health. It is also used as an ingredient in sports nutrition products due to its role in protein synthesis and muscle recovery.

In the pharmaceutical field, L-Methionine is utilized in the formulation of various drugs and supplements targeting liver health, detoxification, and mood disorders. It is often included in formulations aimed at supporting liver function and preventing the accumulation of fats in the liver.

Furthermore, the antioxidant properties of L-Methionine make it a valuable ingredient in skincare products, where it is used to combat free radicals and promote healthy skin.

Company Information

Shaanxi TNJONE Pharmaceutical Technology Co., LTD., located in the beautiful ancient capital of Xi 'an, is committed to pharmaceutical raw materials, kill varieties, food and feed additives, chemical reagents, plant extracts and other fields, the enterprise adhering to provide customers with quality service, supply high-quality products. Our company after careful planning, hard study, gradually formed a complete service system, based on the domestic and foreign raw materials market special development. Make the raw materials industry bigger and stronger, and serve the vast number of new and old customers. With "world peace and health" as its responsibility, the company adheres to the service concept of "meeting all requirements of customers for products", and guarantees the service principle of "providing qualified products", so that you can get the "God-like" noble shopping enjoyment. Our company has more than 500 kinds of raw materials inventory at any time to meet the various needs of customers for products. The company's products all comply with the relevant national regulations, from the smallest packaging to tons of goods are available. Is your choice of raw materials the best partner.

Shaanxi TNJONE Pharmaceutical Technology Co., Ltd. is willing to rely on the rapid development of e-commerce and national policy support of the good environment background, nesting, welcome people from all walks of life to visit our company, exchange, and seek common development, looking forward to sharing with you, win-win, to realize the dream.

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FAQ

1.How to get in touch with us?

You can chat with us by Trademanager,WhatsApp or simply giving us an email, a phone call. All our contacts information can be found from our website.

2.Are you a manufacturer or trade company?

We are a professional manufacturer.

3.Can I get a sample?

Yes, free sample can be provided, but shipping cost is covered by your side.

4.What's your MOQ?

It is based on the different product. Some are 1g while some are 1 kg. Please be free to consult our salesman.

5.When can I get the quotation?
We usually quote within 1 hours after we get your inquiry. If it's a urgent order you can call us or mention it in your email subject, and we can take it as priority.

6.Is there any discount?
Yes, some products are applied for discount, but it depends on the quantity.

7.Can you do OEM for me?
Yes,we accept OEM orders, just contact us and give us your requirement. We will offer you a reasonable price and make samples ASAP.

Basic Info

Product Name:

l-Methionine

Other Name:

L-Methionine;Methionine,L-;Cymethion;Methionine;Butanoic acid,2-amino-4-(methylthio)-,(S)-;2-Amino-4-(methylthio)butyric acid;S-Methionine;α-Amino-γ-methylmercaptobutyric acid;γ-Methylthio-α-aminobutyric acid;(S)-2-Amino-4-(methylthio)butanoic acid;l-Methionine;L-α-Amino-γ-methylthiobutyric acid;L-Homocysteine,S-methyl-;h-Met-oh;Acimethin;NSC 22946;S-Methyl-L-homocysteine;Secretory peptide (human clone HTXDU73);Methiorep;Meth-o-Tas;(2S)-2-Azaniumyl-4-methylsulfanylbutanoate;(2S)-2-Amino-4-(methylsulfanyl)butanoic acid;7005-18-7;24425-78-3;1437749-32-0;1437749-60-4;1437749-65-9;1437749-75-1;1437749-80-8;1437769-00-0;1437870-94-4;1437870-95-5;1437870-97-7;1437870-98-8;1437871-20-9;1463481-01-7;1463481-06-2;1463481-15-3;1463481-19-7;1463481-23-3;1463481-27-7;1463481-31-3;1463481-37-9;1463481-41-5;1463481-46-0;1463481-51-7;1463481-58-4;1463481-73-3;1463481-80-2;1463481-89-1;1463610-75-4;1463610-76-5;1466415-57-5

CAS No.:

63-68-3

Molecular Formula:

C5H11NO2S

InChIKeys:

InChIKey=FFEARJCKVFRZRR-BYPYZUCNSA-N

Molecular Weight:

149.21100

Exact Mass:

149.21

EC Number:

200-562-9

UNII:

AE28F7PNPL

NSC Number:

760117

DSSTox ID:

DTXSID5040548

NCI Thesaurus Code:

C29600

Color/Form:

Minute hexagonal plates from dilute alcohol|Colorless or white, lustrous plates or as white, crystalline powder

ATC Code:

V - Various

HScode:

2930400000

Categories:

Other Chemical Drugs

Characteristics

PSA:

88.62000

XLogP3:

-1.9

Appearance:

Minute hexagonal plates from dilute alcohol. (NTP, 1992)

Density:

1.206 g/cm3

Melting Point:

280-282 °C (decomp)

Boiling Point:

123-126 °C @ Press: 15 Torr

Flash Point:

139.4ºC

Refractive Index:

1.531

Water Solubility:

H2O: soluble

Storage Conditions:

Store at RT.

Vapor Pressure:

8.14X10-8 mm Hg at 25 deg C (est)

Toxicity:

LD50 oral in rat: 36gm/kg

Specific rotation:

Specific optical rotation: 22.5 deg at 25 °C/D (1 N HCl)

Odor:

Faint

Taste:

Sulfurous

PH:

pH (1% aqueous solution) = 5.6-6.1

PKA:

2.28(at 25 °C)

Henrys Law Constant:

Henry's Law constant = 2.11X10-11 atm-cu m/mol at 25 °C (est)

Dissociation Constants:

2.28 (at 25 °C)|pKa = 2.28; pK2 = 9.21

Collision Cross Section:

133.65 Å² [M+H]+ [CCS Type: DT, Method: stepped-field]|152.05 Å² [M-H]- [CCS Type: DT, Method: stepped-field]|127 Å² [M+H]+ [CCS Type: TW, Method: calibrated with polyalanine]|133.1 Å² [M+H]+ [CCS Type: DT, Method: single field calibrated with ESI Low Concentration Tuning Mix (Agilent)]|132 Å² [M-H]- [CCS Type: DT, Method: single field calibrated with ESI Low Concentration Tuning Mix (Agilent)]|134.08 Å² [M+H]+ [CCS Type: DT, Method: stepped-field]|140.5 Å² [M-H]-

Experimental Properties:

Platelets from alcohol. mp 281 °C (decomposes), density 1.340; pKa1 = 2.28, pKa2 = 9.21; pH of 1% aqueous solution 5.6-6.1; Rf value 0.77. Solubility in water (g/L) at 0 °C: 18.18; at 25 °C: 33.81; at 50 °C: 60/.70; at 75 °C: 15.2 °C. Soluble in dilute acids, alkalies. Very slightly soluble in 95% alcohol. Insoluble in ether. /Methionine, DL-form/|UV: 1-65 (Organic Electronic Spectral Data, Phillips et al, John Wiley & Sons, New York) /Methionine (DL)/|Hydroxyl radical reaction rate constant = 5.13X10-11 cu cm/molec-sec at 25 °C (est)

Air and Water Reactions:

Reacts with water, steam, and/or acids to produce toxic and flammable vapors of hydrogen sulfide (NTP, 1992). Water soluble (NTP, 1992). pH of 1% aqueous solution is 5.6-6.0.

Reactive Group:

Sulfides, Organic

Reactivity Profile:

An organosulfide and amine derivative, carboxylic acid. Look at Reactive Groups 20 (organosulfides), 7 (amines), and 3 (carboxylic acids) may give indications about reactive tendencies. It is an amino acid essential in human nutrition.

See More l-Methionine 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

Separated from strong oxidants. Well closed.

See More l-Methionine Safety Data Sheet 

Seller Information

Business Type:
Manufactory

Main Products:
Semaglutide,Tirzepatide,API,Vitamins,Food Additive

Location:
No. 4C-11-A392, Financial Port, Northwest corner of Fengjing Avenue and Fengxin Road, Fengdong New City, Xi 'an, Shaanxi Province

Payment Terms:
TT against copy of documents,D/P,L/C,D/A,O/A,TT against B/L draft before shipment,100% TT in advance

Average lead Time:
5

Total Annual Revenue:
$5 million-$10 million

Total Employees:
11-50

Year of Establishment:
2019

Shaanxi TNJONE Pharmaceutical Technology Co., LTD., located in the beautiful ancient capital Xi 'an, is committed to the peptide industry, pharmaceutical raw materials, food and feed additives, veterinary drugs and other fields, the enterprise adhering to provide customers with quality service, supply high-quality products, "world peace and health" as its responsibility, the company adhering to the "meet all customer requirements for products" as the service concept, Guarantee "provide qualified products" as the service principle, so that you get "God-like" noble shopping enjoyment. Our company has more than 1000 kinds of polypeptides, raw materials inventory, at any time to meet the various needs of customers for products. Is your best partner.

Inquiry History

33 Inquiries

Country	Product	Purchase Quantity	Date Posted
India	L-Methionine	100.00 KG	Jun 6, 2025
Malaysia	L-Methionine	20.00 MT	Apr 1, 2026
India	Methionine	1.00 20' Fcl	May 25, 2026
India	L-Methionine	1.00 20' Fcl	Apr 27, 2026
India	L-Methionine	200.00 KG	Nov 10, 2025
India	L-Methionine	5.00 MT	Jul 16, 2025
India	L-Methionine	10.00 TON	Jul 9, 2025
India	L-Methionine	7.00 KG	Jul 9, 2025
Bangladesh	L-methionine	1 MT	Feb 5, 2025
Singapore	L-Methionine	1 MT	Feb 7, 2024
Guatemala	dl-methionine dl methionine 99% feed grade for poultry feedPopular 1 buyer	25 MT	Oct 31, 2023
India	methionine	100.00 KG	Sep 5, 2023
India	L-Methionine	100 G	May 28, 2026
India	L-Methionine	5000 KG	Apr 5, 2026
India	L-Methionine	1.00 KG	Nov 10, 2025
India	L-Methionine	20.00 TON	May 17, 2025
Thailand	Methionine	1 KG	Mar 17, 2025
Ecuador	METIONINA	1 MT	Feb 25, 2025
Romania	L-METHIONINE	200 KG	Mar 12, 2024
Serbia	methionine	20.00 TON	Dec 20, 2023

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Food&Feed Grade L-Methionine Powder CAS 63-68-3

Product Description

Seller Information