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DL-methionine CAS 59-51-8 powder granular

DL-methionine is a widely used essential amino acid, widely applied in feed, food, pharmaceutical and cosmetic industries. As a key product for global import purchasers, it meets international quality standards and has completed REACH registration, with MSDS download available for safe use and import customs clearance.

Product Synonyms

DL-methionine has multiple industry synonyms, including DL-2-amino-4-(methyl thio)butanoic acid, DL-Methionine, race methionine, α-amino-γ-methyl mercapto butyric acid, Aci Metion, Banthionine, Cynaron, and 2-amino-4-(methyl mercapto)butyric acid.

roduct Properties & Physical Characteristics

Physical characteristics of DL-methionine are as follows: it appears as white or off-white crystalline powder or granular solid, with a slight special odor and a faint sweet taste; it is slippery to the touch, easily soluble in water, soluble in dilute acids and dilute alkalis, and slightly soluble in 95% ethanol; it is practically insoluble in most organic solvents; its melting point is around 281°C; the pH value of its 10% aqueous solution ranges from 5.5 to 7.0; it is stable under normal storage conditions and not easy to decompose.

Typical Product Specifications (Most Common Grade)

Product Applications

DL-methionine is an essential amino acid that cannot be synthesized by humans and animals themselves, so it must be obtained through external intake. It is widely used in multiple fields, with the largest demand in the feed industry:

Feed Additive: As the most important amino acid feed additive, it is suitable for all animals, effectively making up for the lack of methionine in plant-based feeds, improving feed protein utilization, promoting animal growth and development, enhancing immunity, improving meat quality, and preventing liver and kidney disorders caused by methionine deficiency. The general addition amount in compound feeds is 0.05% ~ 0.2%, and 0.06% ~ 0.16% in poultry compound feeds. Adding 1kg of methionine is equivalent to the nutritional value of 50kg of fish meal.

Food Industry: Used as a nutritional supplement to improve the amino acid balance of plant-based foods such as oats, rye, rice, corn, and soybeans. It can also be used to prepare seasonings and is allowed to be used as a spice in accordance with relevant standards. Due to its special odor, it is mainly used in surimi products.

Pharmaceutical Industry: As the main component of amino acid infusions and compound amino acid preparations, it can be used to synthesize pharmaceutical vitamins and liver-protecting preparations, helping to treat malnutrition caused by protein deficiency after chronic infectious diseases, and assisting in the treatment of arsenic or benzene poisoning and dysentery.

Cosmetic Industry: Used as a nutritional additive to promote hair and nail growth, and enhance skin health.

Product Compliance & Safety

DL-methionine has completedREACH registration, complying with EU chemical regulations and meeting the requirements of international trade and import customs clearance. For safe use, storage and transportation, MSDS download is available to provide detailed safety information, including hazard identification, first-aid measures, and protective measures.

FAQ

Q1: What is the shelf life of DL-methionine under proper storage conditions?

A1: When stored in a cool, dry, well-ventilated warehouse, away from moisture, heat and toxic and harmful substances, the shelf life of DL-methionine is 24 months from the date of production. It should be sealed immediately after opening to prevent moisture absorption and caking.

Q2: Is DL-methionine compatible with other feed additives?

A2: Yes, DL-methionine has good compatibility with most common feed additives such as lysine, vitamins, and mineral additives. It can be mixed evenly with various feeds without chemical reactions that affect product quality or animal absorption.

Q3: What packaging specifications are available for DL-methionine for import and transportation?

A3: Common packaging specifications are 25kg or 50kg food-grade polyethylene plastic bags with outer corrugated cartons or iron drums, which are sealed and moisture-proof, meeting international transportation standards and facilitating loading, unloading and storage during import and export.

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