Toluene diisocyanate manufacturer Knowledge 5-Aminobenzimidazolinone 5-Amino-2-benzimidazolinone

5-Aminobenzimidazolinone 5-Amino-2-benzimidazolinone

5-aminobenzimidazolones structural formula

Structural formula

Business number 028T
Molecular formula C7H7N3O
Molecular weight 149.15
label

5-amino-1,3-dihydro-2H-benzimidazol-2-one,

5-Aminobenzimidazolones,

5-amino-1,3-dihydro-2H-Benzimidazol-2-one

Numbering system

CAS number:95-23-8

MDL number:MFCD00053555

EINECS number:202-401-8

RTECS number:None

BRN number:None

PubChem ID:None

Physical property data

1. Character: light yellow or white crystal.

2. Density (g/mL, 20℃): Undetermined

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

4. Melting point (ºC): 239-244

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

6. Boiling point (ºC, KPa): Undetermined

7. Refractive index: Undetermined

8. Flash point (ºC): Undetermined

9. Specific rotation (º): Undetermined

p>

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

11. Vapor pressure (mmHg, ºC): 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. Log value of oil-water (octanol/water) distribution coefficient: Undetermined

17. Explosion upper limit (%, V /V): Undetermined

18. Lower explosion limit (%, V/V): Undetermined

19. Solubility: Undetermined

Toxicological data

None

Ecological data

None

Molecular structure data

1. Molar refractive index: 40.26

2. Molar volume (cm3/mol): 109.3

3. Isotonic specific volume (90.2K ): 302.0

4. Surface tension (dyne/cm): 58.1

5. Polarizability (10-24cm3): 15.96

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: 2

4. Number of rotatable chemical bonds: 0

5. Number of tautomers: 3

6. Topological molecule polar surface area 67.2

7. Number of heavy atoms: 11

8. Surface charge: 0

9. Complexity: 183

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

Storage method

None

Synthesis method

Benzimidazolone is produced by solid-phase reaction between o-phenylenediamine and urea at 150-250°C to deaminate the hydrogen ring, and then it can be obtained through nitration and reduction.

Purpose

Mainly used to prepare yellow to orange organic pigments.

This article is from the Internet, does not represent the position of Toluene diisocyanate reproduced please specify the source.https://www.allhdi.com/archives/39582

author:

Previous article
Next article
Contact Us

Contact us

+86 - 152 2121 6908

Online consultation: QQ交谈

E-mail: sales@newtopchem.com

Working hours: Monday to Friday, 9:00-17:30, closed on holidays
Follow wechat
Scan wechat and follow us

Scan wechat and follow us

Back to top
Home
E-mail
Products
Search