DL-methionine 99% white powder
36 Inquiries
59-51-8
Feed Grade
99%
qingdao
25kg bag
2023-10-31
peptide
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Product Details
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Seller Information
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Inquiry History
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DescriptionECHEMI Editorial ReferenceWhite crystalline powder White, crystalline platelets or powder having a characteristic odor.One g dissolves in about 30 mL of water. It is soluble in dilute acids and in solutions of alkali hydroxides. It is very slightly soluble in alcohol, and practically insoluble in ether. It is optically inactive. The pH of a 1 in 100 solution is between 5.6 and 6.1. This substance may be prepared by addition of methanethiol to acrolein; by chemical conversion of methylthiopropionic aldehyde. d,l-
Solid|COLOURLESS CRYSTALS OR WHITE POWDER.|White crystalline platelets or powder; Characteristic aroma
Methionine is a sulfur-containing amino acid that is butyric acid bearing an amino substituent at position 2 and a methylthio substituent at position 4. It has a role as an Escherichia coli metabolite, a Saccharomyces cerevisiae metabolite, a plant metabolite, a Daphnia magna metabolite and an algal metabolite. It is an alpha-amino acid and a sulfur-containing amino acid. It derives from a butyric acid. It is a conjugate base of a methioninium. It is a conjugate acid of a methioninate. It is a tautomer of a methionine zwitterion.|A preparation of methionine that includes a mixture of D-methionine and L-methionine isomers.|A sulfur-containing essential L-amino acid that is important in many body functions.Basic Info-
Product Name:
(±)-Methionine
Other Name:Methionine;Methionine,DL-;DL-Methionine;α-Amino-γ-methylmercaptobutyric acid;DL-2-Amino-4-(methylthio)butyric acid;Banthionine;Cynaron;Dyprin;Lobamine;Meonine;Methilanin;Metione;Neston;(±)-Methionine;Racemethionine;Lactet;Pedameth;Urimeth;Amurex;NSC 9241;Meprom M 85;Rhodimet NP 99;Smartamine M;Smartamine;Timet;MetAMINO;MetiPEARL;Acimetion;2-Amino-4-(methylthio)butanoic acid;2-Amino-4-(methylsulfanyl)butanoic acid;2-Azaniumyl-4-methylsulfanylbutanoate;DL-Methionine;1105707-18-3;192948-75-7
CAS No.:59-51-8
Molecular Formula:C5H11NO2S
InChIKeys:InChIKey=FFEARJCKVFRZRR-UHFFFAOYSA-N
Molecular Weight:149.21
Exact Mass:149.21
BRN:636185
EC Number:200-432-1
ICSC Number:0919
NSC Number:522406|118113|45689|22946|9241
DSSTox ID:DTXSID9020821
ATC Code:V - Various
HScode:29304090
Categories:
Characteristics-
PSA:
88.6
XLogP3:-1.9
Appearance:White Crystals or Crystalline Powder
Density:1.3 g/cm3
Melting Point:281 °C (decomp)
Boiling Point:181 deg C (decomposes)
Flash Point:139.4±26.5 °C
Refractive Index:1.531
Water Solubility:H2O: 2.9 g/100 mL (20 ºC);1 M HCl: 0.5 M at 20 °C, clear, colorless
Storage Conditions:0-6°C
Vapor Pressure:8.14X10-8 mm Hg at 25 deg 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
Separated from strong oxidants. Well closed.
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Seller Information
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Business Type:
Manufactory
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Main Products:
peptide
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Location:
south road and north road
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Payment Terms:
TT against copy of documents,L/C,TT against B/L draft before shipment,100% TT in advance
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Average lead Time:
15 days
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Total Annual Revenue:
$1 million-$2.5 million
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Total Employees:
11-50
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Year of Establishment:
2022
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Inquiry History36 Inquiries
Country Product Purchase Quantity Date Posted 
United Kingdom
Dl-Methionine
200 TON Jun 27, 2025 
India
DL-Methionine
1.00 KG May 8, 2026 
Indonesia
dl methionine food grade 5 MT
5 MT Apr 13, 2026
Indonesia
DL Methionine Food Grade
5 MT Apr 13, 2026
India
DL Methionine
10.00 MT Mar 17, 2026 
United Arab Emirates
DL-METHIONINE
54 TON Jun 17, 2025 
China
DL-Methionine
2 KG Dec 24, 2024 
Czech
DL-Methionine
50000 KG Dec 16, 2024
United Arab Emirates
DL-Methionine
1 MT Aug 21, 2024 
United States
DL-Methionine
1000 KG May 29, 2024 
Russia
DL-Methionine
40 MT Apr 7, 2024
China
methionine
1 KG Mar 11, 2024 
South Africa
Methionine
1000 KG Mar 11, 2024 
Malaysia
Dl Methionine
1.00 20' Fcl Feb 20, 2024 
Germany
Methionine
0.005 KG Jan 30, 2024 
Bangladesh
DL Methionine
1 KG Jul 27, 2026
India
DL Methionine
1 KG Mar 17, 2026
India
DL methionine
1 KG Mar 16, 2026 
Canada
DL methionine
10 KG Jul 22, 2025 
Egypt
Dl-Methionine
1 KG Feb 12, 2026 Post an enquiry for this product
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