Toluene diisocyanate manufacturer Knowledge propanal-2,4-dinitrophenylhydrazine

propanal-2,4-dinitrophenylhydrazine

propionaldehyde-2,4-dinitrophenylhydrazine structural formula

structural formula

business number 07fm
molecular formula c9h10n4o4
molecular weight 238.20
label

propionaldehyde 2,4-dinitrophenylhydrazone,

propanal 2,4-dinitrophenylhydrazine,

propionaldehyde-dnph,

propionaldehyde-dnph,

c2h5ch=nnhc6h3(no2)2,

aromatic compounds

numbering system

cas number:725-00-8

mdl number:mfcd00191484

einecs number:none

rtecs number:none

brn number:none

pubchem number:24866868

physical property data

1. character: undetermined

2. density (g/ml,25/4): undetermined

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

4. melting point (ºc):152 -155

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

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

7. refractive index: undetermined

8. flashpoint (ºc): 2

9. specific optical rotation (º): undetermined

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. oil and water (octanol/log value of partition coefficient (water): undetermined

17. explosion limit (%,v/v): undetermined

18. lower explosion limit (%,v/v): undetermined

19. solubility: undetermined

toxicological data

none yet

ecological data

none yet

molecular structure data

1. molar refractive index: 58.71

2. molar volumem3/ mol168.3

3. etc.��specific volume 90.2k)469.9

4. surface tension(dyne/cm)60.7

5. dielectric constant:

6. dipole moment10 -24cm3)

7. polarizability: 23.27

compute chemical data

1, hydrophobic parameter calculation reference value (xlogp):1.3

2. hydrogen bonding number of donors: 1

3. hydrogen bonding number of receptors: 6

4. rotatable number of chemical bonds: 3

5. topological molecules polar surface area (tpsa):111

6. heavy atoms quantity: 17

7, surface charge:0

8. complexity :309

9. isotope atomic number:0

10. determine the number of atomic stereocenters:0

11. uncertain number of atomic stereocenters:0

12. determine the number of stereocenters of chemical bonds:0

13. uncertain number of chemical bond stereocenters:0

14, number of covalent bond units:1

properties and stability

none yet

storage method

0-6°csealed storage

synthesis method

none yet

purpose

none yet

resource:allhdi.com

This article is from the Internet, does not represent the position of Toluene diisocyanate reproduced please specify the source.https://www.chemicalchem.com/archives/31047

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