Structural formula
Business number | 026U |
---|---|
Molecular formula | C7H5N3O3 |
Molecular weight | 179.13 |
label |
5-nitro-2-benzimidazolones, 2-Hydroxy-5-nitrobenzimidazole, 5-Nitro-2(3H)-benzimidazolone, 5-Nitro-1,3-dihydro-benzimidazol-2-one |
Numbering system
CAS number:93-84-5
MDL number:MFCD00220274
EINECS number:202-282-2
RTECS number:None
BRN number:171386
PubChem number:24879745
Physical property data
None yet
Toxicological data
None yet
Ecological data
None yet
Molecular structure data
1. Molar refractive index:42.57
2. Molar volume (m3/ mol):118.9
3. Isotonic specific volume (90.2K ):331.1
4. Surface tension (dyne/cm): 60.0
5. Polarizability(10-24cm3):16.87
Compute chemical data
1. Reference value for hydrophobic parameter calculation (XlogP): 0.4
2. Number of hydrogen bond donors: 2
3. Number of hydrogen bond acceptors: 3
4. Number of rotatable chemical bonds: 0
5. Number of tautomers: 3
6. Topological molecule polar surface area 87
7. Number of heavy atoms: 13
8. Surface charge: 0
9. Complexity: 250
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 away from light.
Synthesis method
O-methoxy p-nitroaniline is diazotized, coupled with 3-hydroxy-N(2-oxy-5-benzimidazolinyl)-2-naphthylamide, and then pigmented.
Purpose
Mainly used for the coloring of synthetic fiber pulp, high-end coatings and plastics