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Ammonium chromate Chemical Ammonium chromate
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 1.91 g/mL at 25 ° C (lit.)
Melting point 180 ° C (dec.)
Molecular formula CrH8N2O4
Molecular weight 152.07100
Accurate quality 151.98900
PSA 81.08000
LogP 0.05660
Appearance: Yellow crystal
Storage conditions
This product should be sealed and stored dry
Stability
Soluble in cold water, slightly soluble in ammonia and acetone, insoluble in alcohol. After long-term storage, ammonia can be decomposed and released, and part of it will be converted to Ammonium dichromate. The solubility in water at 30 ℃ is 40.5g/100mL H2O, which decomposes in hot water. Insoluble in ethanol, slightly soluble in ammonia and acetone.
Water solubility H2O: 1 M at 20 ° C, clear, yellow | Dissolved grams per 100 milliliters of water at different temperatures (℃): 25g/0 ℃; 29.2g/10 ℃; 34g/20 ℃; 39.3g/30 ℃; 45.3g/40 ℃ 59g/60 ℃; 76.1g/80 ℃
Computational chemistry
1. Reference value for hydrophobic parameter calculation (XlogP): None
2. Number of hydrogen bond donors: 2
3. Number of hydrogen bond receptors: 4
4. Number of rotatable Chemical bond: 0
5. Number of Tautomer: none
6. Topological molecule Polar surface area 82.3
7. Number of heavy atoms: 7
8. Surface charge: 0
9. Complexity: 62.2
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 structure centers: 0
15. Number of Covalent bond units: 3
Delivery
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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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