Toluene diisocyanate manufacturer Knowledge 5-Hydroxyindole-3-acetic Acid 5-Hydroxyindole-3-acetic Acid

5-Hydroxyindole-3-acetic Acid 5-Hydroxyindole-3-acetic Acid

5-hydroxyindole-3-acetic acid structural formula

Structural formula

Business number 0168
Molecular formula C10H9NO3
Molecular weight 191.18
label

5-HIAA

Numbering system

CAS number:54-16-0

MDL number:MFCD00005639

EINECS number:200-195-4

RTECS number:NL3650000

BRN number:168797

PubChem number:24278130

Physical property data

1. Character:Light yellow crystal. Sensitive to light and air.


2. Density (g/mL,25/4): Undetermined


3. Relative vapor density (g/mL, Air=1): Undetermined


4. Melting point (ºC):160~166 -font-kerning: 0pt”>


5. Boiling point (ºC,Normal pressure): Undetermined


6. Boiling point (ºC,5.2kPa): Undetermined


7. Refractive index: undetermined


8. Flashpoint (ºC): Undetermined


9. Specific optical rotation (º): Undetermined


10. Autoignition point or ignition temperature (ºC): Undetermined


11. Vapor pressure (kPa,25ºC): Undetermined


2. Molar volume (m3/mol): 127.7


3. isotonic ratio(90.2K)384.1


4. Surface Tension(dyne/cm)81.7


5. Polarizability(10-24cm3)20.42

Compute chemical data

1. Reference value for hydrophobic parameter calculation (XlogP): None

2. Number of hydrogen bond donors: 3

3. Number of hydrogen bond acceptors: 3

4. Number of rotatable chemical bonds: 2

5. Number of tautomers: 9

6. Topological molecule polar surface area 73.3

7. Number of heavy atoms: 14

8. Surface charge: 0

9. Complexity: 231

10. Number of isotope atoms: 0

11. Determine the number of atomic stereocenters: 0

12. Uncertain number of atomic stereocenters: 0

13. Determine the number of chemical bond stereocenters: 0

14. Number of uncertain chemical bond stereocenters: 0

15. Number of covalent bond units: 1

Properties and stability

Sensitive to light and air, maximum absorption wavelength (in methanol)277 , 300nm (ε 5200, 7200) SPAN>

Storage method

This product should be sealed in4Dry Keep away from light.

Synthesis method

None

Purpose

For biochemical research.

cii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial”>Store dry and protected from light.

Synthesis method

None

Purpose

For biochemical research.

This article is from the Internet, does not represent the position of Toluene diisocyanate reproduced please specify the source.https://www.chemicalchem.com/archives/21513

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