59 -51-8 nutritional supplement Feed Grade Amino Acids DL Methionine for cosmetics

59 -51-8 nutritional supplement Feed Grade Amino Acids DL Methionine for cosmetics

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Shanghai Xintai Chemicals Co.,Ltd

Free Member  (2012)

[ Shanghai, SG, China ]

Business Type:  Manufacturer

Supplier has 50 products

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59 -51-8

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Product Description

Detail: 59 -51-8 nutritional supplement Feed Grade Amino Acids DL Methionine for cosmetics

Product name: methionine
Chemical name: DL-methionine,
CAS No. :59 -51-8

M Weight: 149.21
Physicochemical properties: White flaky crystal or crystalline powder. There is special smell, taste sweet. Optical rotation, melting point 280 ~ 281 C (decomposition), soluble in water (3.3g/100ml, 25 C), 10% aqueous solution PH value 5.6 ~ 6.1, stable for the thermal and air, acid unstable in dense acid . Soluble in dilute acids and alkalis, and is extremely difficult to dissolve in ethanol, almost insoluble in ether. Can lead to demethylation.

Methionine is a "framework" amino acid of biosynthesis protein, is one of the essential amino acids in the growth of livestock animals, has a strong role in regulating animal metabolism, is widely used in feed, pharmaceutical, food and cosmetics fields.
In the feed industry, the amount of methionine ranks first in amount, as a nutrition fortifier of the feed, an additive to make up the amino acid balance. Add 1kg methionine in feed, is equivalent to the nutritional value of fish meal 50kg. Normally0.05% to 0.2% Methionine is added in the feed.
In medicine, methionine can be used as the main ingredient of the amino acid infusion and compound amino acid, can also be used for synthetic medicinal vitamins, it lipotropic effect can be used for the production of hepatoprotective agents.
In the food industry, the methionine is used for healthcare food, as a nutritional supplement.
Packing: in bags, bags divided into three layers, the outer layer of polyethylene composite fabric, the middle layer is kraft paper, and the inner layer is low density polyethylene film, each package net weight 25kg. Also be based on the user contract requirements in accordance with relevant safety requirements for packaging.
Storage: This product should be stored in a cool, dry, ventilated place, the storage of a large number of goods, should be installed conductive balance equipment to prevent the aggregation of the electrostatic charge. During transport please prevent rain, moisture and sun, it is strictly prohibited to transport mixed with poisonous goods.
Shelf life: in the original packaging, the provisions of storage conditions, the retention period of five years from the date of production.


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ItemsChloride | Qualityindex |
GradeExcellent | GradeA |
Apperarance | WhiteorGraypowder |
DL-Methionine% | 99.0 | 98.5 |
Lossondrying% | 0.3 | 0.5 |
Chloride(NaCl)% | 0.2 | 0.2 |
Heavymetal(Pb)mg/kg | 20 | 20 |
Arsenic(As)(As)mg/kg | 2 | 2 |
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About Us

Shanghai Xintai Chemicals Co., Ltd. was founded in Shanghai in 1995,We are specialized in Amino acid series, amino acid powder, Fertilizers,feed grade amino acid, Food additives, Feed additives, pharmaceutical raw material, alanine amino acid and so on.

We have our own plant and R&D center, and combined with efficient processing technology, advanced equipment, our products sell well all over the world. We are committed to providing high-quality products at competitive prices with superior services for our customers.

If you are interested in any of our products or would like to discuss a custom order, please feel free to contact us. We are looking forward to forming successful business relationships with new clients around the world in the near future.

We insist on "Sincere Cooperation, Hard Development" for aim. We were received" Advanced Business Enterprise", " Advanced Unit for Ratepaying " and "Enterprise Of Observing Contract And Valuing Credit" for successive years.
With all sincerity, we hope we can build mutual benefit co operational partners base of your support and create a bright future together.

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