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1 Kilogram |
FOB Price:USD 7.0000 -10.0000 |
Hot Sale 7440-20-2 7440-20-2 In Bulk Supply Chemical
1. Product advantages
♦ High purity, all above 98.5%, no impurities after the dissolution
♦ We will test each batch to ensure quality
♦ OEM and private brand services designed for free
♦ Various cap colors available
♦ We can also provide MT1 peptide powder
2. Factory advantages
♦ Professional research team
♦ More than 5 doctors in high-tech R&D laboratories
♦ More than 1000 m2 of the factory production line to ensure stable supply
♦ More than 1200 factories to manufacture products and control quality
3. Service advantages
♦ 24-hour online service
♦ Track package information and update it for customers
♦ Professional sales team
♦ Accept small order service
♦ Redelivery service if detained by customs
Density 2.99 g/mL at 25 ° C (lit.)
Boiling point 2836 ° C (lit.)
Melting point 1540 ° C (lit.)
Molecular formula Sc
Molecular weight 44.956
Accurate quality 44.955910
Appearance: Gray powder
Storage conditions
Store in a cool and dry place. Keep away from sources of fire, air, water, and oxidants. Ensure that the workplace has good ventilation and exhaust devices.
Stability
Oxidize in the air to become light yellow or pink, easy to burn, react with water to produce hydrogen gas, and react with acid to produce salt. In other chemical properties, it is almost identical to yttrium and other rare earth metal elements. If used and stored according to specifications, it will not decompose. Avoid contact with air, oxides, halogens, and moist moisture.
Crystal structure:<950 ℃ α Type (hcp),>950 ℃ for β Type (bcc). α Type, a=3.3085 (1A=0.1nm), c=5.2680 × 10-10m, flammable, reacts with water to release H2, and the aqueous solution is colorless.
Computational chemistry
1. Reference value for hydrophobic parameter calculation (XlogP): None
2. Number of hydrogen bond donors: 0
3. Number of hydrogen bond receptors: 0
4. Number of rotatable Chemical bond: 0
5. Number of Tautomer: none
6. Topological molecule Polar surface area 0
7. Number of heavy atoms: 1
8. Surface charge: 0
9. Complexity: 0
10. Number of Isotope Atoms: 0
11. Determine the number of atomic structure centers: 0
12. Number of uncertain atomic structure centers: 0
13. Determine the number of Chemical bond stereo centers: 0
14. Number of uncertain Chemical bond stereostructural centers: 0
15. Number of Covalent bond units: 1
Delivery
By Express |
By air |
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Suitable for under 50kg |
Suitable for more than 50kg |
Suitable for more than 500kg |
Our advantages:
Hebei Sankai Chemical Technology Co. LTD is located in xingtai City, Hebei Province, China. It is a biotechnology enterprise engaged in the research, development, production and sales of animal and plant extracts, cosmetics, pharmaceutical raw materials and intermediates. The company has complete experimental facilities. And advanced testing instruments ensure the stability of product quality from all aspects. The company has a complete sales service system, the products are exported to countries all over the world, and have won a good international reputation with excellent quality and excellent service.
The company has been adhering to the basic principles of "integrity, quality, service, and win-win" to serve customers, constantly strict requirements, set goals, and implement win-win development.
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