N-acetylneuraminic acid
Structural formula
| Business number | 03MX |
|---|---|
| Molecular formula | C11H19NO9 |
| Molecular weight | 309.27 |
| label |
sialic acid, Aceniuraic acid, N-acetylmannosaminepyruvate, N-acetyl sialic acid, 5-Acetamido-3,5-dideoxy-D-glycero-D-galactonulosonic acid, o-Sialic acid, galactononulosonic acid, Lactaminic acid, NANA, N-Acetylsialic acid, Heterocyclic compounds |
Numbering system
CAS number:131-48-6
MDL number:MFCD00006620
EINECS number:205-023-1
RTECS number:None
BRN number:1716283
PubChem number:24890457
Physical property data
1. Properties: Colorless crystals.
2. Density (g/mL, 25/4℃): Undetermined
3. Relative vapor density (g/mL, air=1): Undetermined
4. Melting point (ºC): 185-187 (decomposition)
5. Boiling point (ºC, normal pressure): Undetermined
6. Boiling point (ºC, 5.2 kPa): Not determined
7. Refractive index: Not determined
8. Flash point (ºC): Not determined
9. Specific rotation (º , C=2, in water): -32
10. Autoignition point or ignition temperature (ºC): Undetermined
11. Vapor pressure (kPa, 25ºC): Undetermined
12. Saturated vapor pressure (kPa, 60ºC): Undetermined
13. Heat of combustion (KJ/mol): Undetermined
14. Critical temperature (ºC): Undetermined
15. Critical pressure (KPa): Undetermined
16. Log value of oil-water (octanol/water) partition coefficient: Undetermined
17. Explosion upper limit (%, V/V): Undetermined
18. Explosion lower limit (%, V/V): Undetermined
19. Solubility : Soluble in water and methanol, slightly soluble in ethanol, insoluble in ether, acetone and chloroform.
Toxicological data
Acute toxicity:
Main irritant effects:
On skin: May cause irritation.
On eyes: May cause irritation.
Sensitization: No sensitizing effects.
Ecological data
General notes
Water hazard level 1 (German regulations) (self-assessment via list)��� Substances are slightly harmful to water.
Do not allow undiluted or large amounts of product to come into contact with groundwater, waterways or sewage systems.
Do not discharge materials into the surrounding environment without government permission.
Molecular structure data
1. Molar refractive index: 65.66
2. Molar volume (cm3/mol): 188.0
3. Isotonic specific volume (90.2K): 588.1
4. Surface tension (dyne/cm): 95.7
5. Polarizability (10-24cm3): 26.03
Compute chemical data
1. Hydrophobic parameter calculation reference value (XlogP): -3.5
2. Number of hydrogen bond donors: 7
3. Number of hydrogen bond acceptors: 9
p>
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. Isotopic atoms Quantity: 0
11. Determine the number of atomic stereocenters: 6
12. Uncertain number of atomic stereocenters: 0
13. Determine chemical bond positions Number of stereocenters: 0
14. Number of uncertain chemical bond stereocenters: 0
15. Number of covalent bond units: 1
Properties and stability
1. Avoid inhaling the dust of this product and avoid contact with eyes and skin.
Storage method
Sealed with argon and stored dry at -18℃.
Synthesis method
None yet
Purpose
1. For tissue culture. Biochemical research.