NITRON
Synonym(s):1,4-Diphenyl-3-phenylamino-1,2,4-triazolium hydroxide inner salt;3,5,6-Triphenyl-2,3,5,6-tetraazabicyclo[2.1.1]hex-1-ene;4,5-Dihydro-2,4-diphenyl-5-(phenylimino)-1H-1,2,4-triazolium hydroxide inner salt
- CAS NO.：2218-94-2
- Empirical Formula: C20H16N4
- Molecular Weight: 312.37
- MDL number: MFCD00005174
- EINECS: 218-724-2
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-07-04 15:15:24
What is NITRON?
Chemical properties
lemon yellow crystalline powder
The Uses of NITRON
Determination of boron, nitrate, perchlorate, rhenium, tungsten, molybdenum.
What are the applications of Application
Nitron is a reagent for the spectrophotometric determination of nitrate and perchlorate
Purification Methods
Crystallise it from EtOH, chloroform or EtOH/*C6H6. [Beilstein 25 III/IV 1075.]
Properties of NITRON
| Melting point: | 189-190 °C (dec.)(lit.) |
| Boiling point: | 442.29°C (rough estimate) |
| Density | 1.1872 (rough estimate) |
| refractive index | 1.6400 (estimate) |
| solubility | almost transparency in Acetic acid |
| form | powder to crystal |
| pka | 10.34 ± 0.02(at 25℃) |
| color | Light yellow to Brown to Dark green |
| Merck | 14,6612 |
| BRN | 3913543 |
| Stability: | Stable. Incompatible with strong oxidizing agents. |
| EPA Substance Registry System | 1,4-Diphenyl-3-(phenylamino)-1H-1,2,4-triazolium inner salt (2218-94-2) |
Safety information for NITRON
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H302:Acute toxicity,oral |
| Precautionary Statement Codes |
P280:Wear protective gloves/protective clothing/eye protection/face protection. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for NITRON
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