- Product Details
Keywords
- L-Threonine
- high quality L-Threonine
- High purityL-Threonine
Quick Details
- ProName: L-Threonine
- CasNo: 72-19-5
- Molecular Formula: C4H9NO3
- Appearance: Yellow powder
- Application: Pharmaceuticals, pesticides, synthetic...
- DeliveryTime: 3-10 days
- PackAge: 1kg/Alu bag, 25kgs/Drum
- Port: Wuhan
- ProductionCapacity: 100 Metric Ton/Month
- Purity: 99%
- Storage: Dry and Cool Place and Keep Away From ...
- Transportation: *small quantity: By Fedex, DHL, HKPOST...
- LimitNum: 10 Kilogram
Superiority
Our Advantage:
- high quality with competitive price
- High quality standard: BP/USP/EP Enterprise standard
- All purity customized
- Fast and safe delivery
- We have reliable forwarder who can help us deliver our goods more fast and safe.
- We have stock and can deliver small quantity at once.
Details
Product Description:
Molecular Formula | C4H9NO3 |
Molar Mass | 119.12 |
Density | 1.3126 (rough estimate) |
Melting Point | 256 °C (dec.) (lit.) |
Boling Point | 222.38°C (rough estimate) |
Specific Rotation(α) | -28.4 º (c=6, H2O) |
Flash Point | 162.936°C |
JECFA Number | 2119 |
Water Solubility | 90 g/L (20 ºC) |
Solubility | Soluble in water, insoluble in most organic solvents such as absolute ethanol, ether and chloroform |
Vapor Presure | 0mmHg at 25°C |
Appearance | Crystalline powder |
Color | Yellow |
Merck | 14,9380 |
BRN | 1721646 |
pKa | 2.09(at 25℃) |
PH | 5-6 (100g/l, H2O, 20℃) |
Storage Condition | 2-8°C |
Stability | Stable. Incompatible with strong oxidizing agents. |
Refractive Index | -28 ° (C=6, H2O) |
MDL | MFCD00064270 |
Physical and Chemical Properties |
white orthorhombic or crystalline powder. Odorless and slightly sweet. It melts and decomposes at 253 °c. Soluble in water at high temperature, 25°C solubility of 20.5g/100ml. The isoelectric point was PH 6.16. Insoluble in ethanol, ether and chloroform. yellow-white crystalline powder |
Use | Threonine is an important nutritional fortifier, can strengthen grains, cakes, dairy products, and tryptophan as to restore human fatigue, promote the effect of growth and development. In medicine, because the structure of threonine contains hydroxyl groups, it has a water-holding effect on human skin, and combines with oligosaccharide chains, which plays an important role in protecting cell membranes, in vivo can promote the synthesis of phospholipids and fatty acid oxidation. |
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Company Profile:
Wuhan Han Sheng New Material Technology Co. Ltd is a professional company which specialized in manufacturing and selling chemical raw materials, chemical products, pharmaceutical intermediates, veterinary medicine intermediates, dye intermediates, pigments, cosmetics raw materials and chemical reagents.
We have long term cooperation pharmaceutical raw material production plant and a reagent research and development center, with a rich professional background and strong competitive advantage. We have a professional and experienced team and we promise clients to provide the best quality, price and service. During the business cooperation with clients, we always adhere principle of Honesty, Trustworthiness and win-win policy. We guarantee 100% qualification of our products pass through the standard of USA, Mexico, UK, Australia, Canada, Brazil, France, Germany, Spain, Belgium, Sweden, the Netherlands and so on.
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Exhibitions:
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Products & Packaging:
Our products are used for pharmaceuticals, pesticides, synthetic dyes, organic chemicals, inorganic chemicals, coatings, spices and essence, cosmetics and toilet products, soaps and synthetic detergents, surfactants, printing inks and their auxiliaries, adhesives, photosensitive materials, magnetic materials, catalysts, reagents, water treatment agents and polymer flocculants, papermaking auxiliaries, leather auxiliaries, synthetic materials auxiliaries, textile printing and dyeing agents and finishing agents, food additives Feed additives, animal drugs, etc.
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About Us
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Shipment & Payment:
*small quantity: By Fedex, DHL, HKPOST, UPS, TNT or As customers’ requirement
*Bulk order: By air or sea
*Delivery: within 3 days for samples and 10 days for bulk order
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Our Markets:
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FAQ
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Are you a trade company or factory
We are a factory with our own trading company.
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How do you control the quality
Our factory is equipped with professional technicians to inspect the quality around production lines. The inspection test would be made every 2 hours to ensure the production conform to quality standard. We also accept BV, SGS, or any third pary inspection.
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How long is lead time
We deliver goods within 3 days for small order, 7-10 days for bulk order.
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Where is your factory located How can I visit the factory
Our factory located in Hebei, China
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Can I get some samples
Yes, we can supply sample with free, but the shipping cost be paid by our customers.
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How to start orders or make payments
Proforma Invoice will be issued first after confirmation of order, enclosed our bank information. Payment could be done by T/T or .
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How to confirm the product quality before placing order
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.
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How do you treat quality complaint