purpuric acid

structural formula

• numbering system
• physical property data
• toxicological data
• ecological data
• molecular structure data
• computing chemical data
• more
  • properties and stability
  • storage method
  • synthesis method
  • purpose

numbering system

cas number:87-39-8

mdl number:mfcd00006032

einecs number:201-741-4

rtecs number:ba4225000

brn number:162342

pubchem number:24890094

physical property data

1. character: colorless orthorhombic crystal

2. density (g/ml,25/4℃): undetermined

3. relative vapor density (g/ml,air=1): undetermined

4. melting point (ºc):240-250 °c

5. boiling point (ºc,normal pressure): undetermined

6. boiling point (ºc,5.2kpa): undetermined

7. refractive index: undetermined

8. flash point (ºc): undetermined

9. specific optical rotation (º): undetermined

10. autoignition point or ignition temperature (ºc): undetermined

11. vapor pressure (kpa,25ºc): undetermined

12.

1. molar refractive index: 30.99

2. molar volume (m³/mol）：71.6

3. isotonic specific volume (90.2k):235.9

4. surface tension (dyne/cm):117.8

5. polarizability（10^-24cm³):12.28

compute chemical data

1. reference value for calculation of hydrophobic parameters (xlogp): -0.2

2. number of hydrogen bond donors: 3

3. number of hydrogen bond acceptors: 5

4. number of rotatable chemical bonds: 0

5. number of tautomers: 15

6. topological molecule polar surface area 108

7. number of heavy atoms: 11

8. surface charge: 0

9. complexity: 247

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

none yet

storage method

this product should be sealed and stored in a cool, dry place away from light.

synthesis method

none yet

purpose

check ammonium, barium, calcium, copper, lead, magnesium, mercury, potassium, sodium and strontium. copper complex indicator.

��108

7. number of heavy atoms: 11

8. surface charge: 0

9. complexity: 247

10. number of isotope atoms: 0

11. number of determined atomic stereocenters: 0

12. number of uncertain atomic stereocenters: 0

13 .determined number of stereocenters of chemical bonds: 0

14. uncertain number of stereocenters of chemical bonds: 0

15. number of covalent bond units: 1

properties and stability

none yet

storage method

this product should be sealed and stored in a cool, dry place away from light.

synthesis method

none yet

purpose

check ammonium, barium, calcium, copper, lead, magnesium, mercury, potassium, sodium and strontium. copper complex indicator.