Toluene diisocyanate manufacturer Knowledge n,n’-dicarbamoylhydrazine n,n’-dicarbamoylhydrazine

n,n’-dicarbamoylhydrazine n,n’-dicarbamoylhydrazine

n,n'-diacarbamoyl hydrazide structural formula

structural formula

business number 030u
molecular formula c2h6n4o2
molecular weight 118.09
label

1,2-hydrazinedicarboxamide,

diurea,

hydrazodiformamide,

1,1’-hydrazobis-formamid,

1,2-bis(aminocarbonyl)-hydrazin,

1,2-hydrazinedicarboxamine,

foaming agent

numbering system

cas number:110-21-4

mdl number:mfcd00025398

einecs number:203-747-2

rtecs number:none

brn number:none

pubchem id:none

physical property data

1. characteristics: powder

2. density (g/ml,20): undetermined

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

4. melting point (ºc): 239-241

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

6. boiling point (ºc,kpa): 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 (mmhg,25ºc): undetermined

12. saturated vapor pressure (kpa, ºc): 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 the partition coefficient for water: undetermined

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

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

19. solubility: undetermined

toxicological data

1, acute toxicity: rat oral ld5o: >2gm/kg

ecological data

this substance is slightly harmful to water bodies.

molecular structure data

5. molecular property data:

1. molar refractive index: 25.63

2. molar volume (m3/mol):80.7

3. isotonic specific volume (90.2k):235.8

4. surface tension (dyne/cm):72.6

5. polarizability10-24cm3):10.16

compute chemical data

1. reference value for calculation of hydrophobic parameters (xlogp): -2.1

2. number of hydrogen bond donors: 4

3. number of hydrogen bond acceptors: 2

p>

4. number of rotatable chemical bonds: 0

5. number of tautomers: 6

6. topological molecule polar surface area 110

7. number of heavy atoms: 8

8. surface charge: 0

9. complexity: 96.6

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

does not decompose under normal temperature and pressure. avoid contact with oxides.

storage method

store in a cool, dry place. keep away from sources of fire and ensure good ventilation in the workspace. store away from oxidizing agents.

synthesis method

none yet

purpose

uses: used in the production of adc foaming agent.

>3. isotonic specific volume (90.2k):235.8

4. surface tension (dyne/cm):72.6

5. polarizability10-24cm3):10.16

compute chemical data

1. reference value for calculation of hydrophobic parameters (xlogp): -2.1

2. number of hydrogen bond donors: 4

3. number of hydrogen bond acceptors: 2

p>

4. number of rotatable chemical bonds: 0

5. number of tautomers: 6

6. topological molecule polar surface area 110

7. number of heavy atoms: 8

8. surface charge: 0

9. complexity: 96.6

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

does not decompose under normal temperature and pressure. avoid contact with oxides.

storage method

store in a cool, dry place. keep away from sources of fire and ensure good ventilation in the workspace. store away from oxidizing agents.

synthesis method

none yet

purpose

uses: used in the production of adc foaming agent.

This article is from the Internet, does not represent the position of Toluene diisocyanate reproduced please specify the source.https://www.chemicalchem.com/archives/24681

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