Epoxy curing agent Knowledge 5-Nitro-2-benzimidazolinone 5-Nitro-2-benzimidazolinone

5-Nitro-2-benzimidazolinone 5-Nitro-2-benzimidazolinone

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5-Nitro-2-Benzimidazolone Structural Formula

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. Polarizability10-24cm3):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

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