Acetylneuramic Acid Sialic Acid CAS 131-48-6 99% White Powder Factory Supply

• Customization: Available
• Powder: Yes
• Customized: Non-Customized
• Model NO.: 131-48-6
• Suitable for: Adult
• State: Solid
• Purity: >98%
• Einecs 205-023-1: Einecs 205-023-1
• Mfcd00006620: Mfcd00006620
• Nana Type IV-S: Nana Type IV-S
• Psa: 176.78000
• Logp: -3.98
• Transport Package: 25 Kg/Drum
• Specification: 25 KG/DRUM
• Trademark: ECHEMI
• Origin: China

Product Description

1. 1. appearance : white crystalline powder 
   2. packing 25kg/drum
   3. 20 grams free samples offered
   4. delivery time : 6 days after payment 
2. 5. shelf life: 3 years 
3. 6. Payment method T/T  L/C
4. 7. Stock available 

Please enter the product introduction information...

Items	Specifications
Appearance	White or of- white powder or crystlline power,odorless
Solubility	Very soluble in N,N-Dimethylformamide,Soluble in methanol,Sparingly soluble inglacial acetic acid, Very slightly soluble inchloroform, Practically insoluble in water.
Melting Point	184°C~186°C

Physicochemical properties of N-acetylneuramic acid
Density 1.6± 0.1g /cm3
Boiling point 762.3±60.0 °C at 760 mmHg
Melting point 184-186 °C (dec.)(lit.)
Molecular formula C11H19NO9
Molecular weight 309.270
Flash point 414.8±32.9 °C
Accurate mass 309.105988
PSA 176.78000
LogP minus 3.98
Appearance crystal
Vapor pressure 0.0±5.8 mmHg at 25°C
Refractive index 1.581
Storage condition
Sealed with argon and stored at -18ºC.

stability
1. Avoid inhaling the dust of this product and avoid contact with eyes and skin.

Water solubility 50 g/L (20 ºC)
Molecular structure
1, molar refractive index: 65.66

2, molar volume (cm3/mol) : 188.0

3. Isotropic specific volume (90.2K) : 588.1

4, surface tension (dyne/cm) : 95.7

5. Polarizability (10-24cm3) : 26.03

Computational chemistry
1. Reference value of hydrophobic parameter calculation (XlogP) : -3.5

2. Number of hydrogen bond donors: 7

3. Number of hydrogen bond receptors: 9

4. Number of rotatable chemical bonds: 5

5. Number of tautomers: 2

6. Topological molecular polar surface area (TPSA) : 177

7. Number of heavy atoms: 21

8, surface charge: 0

9. Complexity: 403

10. Number of isotope atoms: 0

11. Determine the number of atomic stereocenter: 6

12. Number of uncertain atomic stereocentes: 0

13. Determine the number of chemical bond structure centers: 0

14. Number of uncertain chemical bond structure centers: 0

15. Number of covalent bond units: 1

more
1. Properties: colorless crystal.

2. Density (g/mL,25/4 ° C) : not determined

3. Relative vapor density (g/mL, air =1) : not determined

4. Melting point (ºC) : 185-187 (decomposition)

5. Boiling point (ºC, atmospheric pressure) : not determined

6. Boiling point (ºC, 5.2kPa) : not determined

7. Refractive index: not determined

8. Flash point (ºC) : Undetermined

9. Specific rotation (º, C=2, in water) : -32

10. Spontaneous ignition point or ignition temperature (ºC) : not determined

11. Vapor pressure (kPa,25ºC) : not determined

12. Saturated vapor pressure (kPa,60ºC) : not determined

13. Heat of combustion (KJ/mol) : not determined

14. Critical temperature (ºC) : not determined

15. Critical pressure (KPa) : not determined

16. Value of oil-water (octanol/water) distribution coefficient: not determined

17. Upper explosion limit (%,V/V) : not determined

18. Lower explosive limit (%,V/V) : not determined

19. Solubility: soluble in water and methanol, slightly soluble in ethanol, insoluble in ether, acetone and chloroform.