1,4-Dibromo-2,5-dinitrobenzene CAS 18908-08-2
| CAS No. | 18908-08-2 |
| Molecular Formula | C6H2Br2N2O4 |
| Molecular Weight | 325.90 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 1,4-Dibromo-2,5-dinitrobenzene meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
CATO supplies 1,4-Dibromo-2,5-dinitrobenzene (CAS 18908-08-2), a certified reference material (molecular formula C6H2Br2N2O4, MW 325.90 g/mol) for analytical method development and quality control.
Based on its molecular formula C6H2Br2N2O4, 1,4-Dibromo-2,5-dinitrobenzene contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 325.90 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C6H2Br2N2O4 |
| Molecular Weight | 325.90 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
Related Dibromo Standards
- 1,5-DIBROMO-2,4-DINITROBENZENE (CAS 24239-82-5)
- Ethyl 3,3-dibromo-2-(trifluoromethyl)acrylate (CAS 149597-17-1)
- 2-(3,5-Dibromo-4-hydroxyphenoxy)acetic acid (CAS 13012-94-7)
- 2-(2,4-Dibromo-5-(difluoromethyl)pyridin-3-yl)acetonitrile (CAS 1805048-51-4)
- 2-(4,6-Dibromo-5-(difluoromethyl)pyridin-2-yl)acetonitrile (CAS 1805242-94-7)
- 2-(4,5-Dibromo-3-(difluoromethyl)pyridin-2-yl)acetonitrile (CAS 1805243-44-0)
- 2-(2,5-Dibromo-4-(difluoromethyl)pyridin-3-yl)acetonitrile (CAS 1805318-88-0)
- 2-(2,6-Dibromo-4-(difluoromethyl)pyridin-3-yl)acetonitrile (CAS 1805319-01-0)
Recommended Standards
- 3-Bromo-2-fluoro-5-iodobenzonitrile (CAS 1160574-12-8)
- N-(Butan-2-yl)-4-(5-chloro-2-methylphenyl)piperazine-1-carbothioamide (CAS 1048915-80-5)
- 3,6-Dibromopyrazine-2,5-dicarboxylic acid (CAS 960510-32-1)
- 3-(4-Chlorophenyl)-N-isopropyl-5-(methylthio)thiophene-2-carboxamide (CAS 477857-94-6)
- 4-[2-(4-Chlorophenyl)acetyl]-1-(2-methylbenzyl)-1H-pyrrole-2-carbonitrile (CAS 439108-40-4)
- Methyl isothiazole-4-carboxylate (CAS 56133-37-0)
- (3aS,6aS)-tert-Butyl 5-(2,2,2-trifluoroacetyl)hexahydropyrrolo[3,4-b]pyrrole-1(2H)-carboxylate (CAS 370880-15-2)
- 5-Bromo-2-formylthiophene-3-carboxylic acid (CAS 1397285-28-7)
- 5-(3,4-Dichlorophenyl)-1H,3H-pyrrolo[1,2-c]thiazole-6,7-dicarboxylic acid (CAS 860609-41-2)
- 4-Chloro-5H-pyrido[4',3':4,5]pyrrolo[3,2-d]pyrimidine (CAS 1263285-23-9)
- Ethyl 6-bromobenzofuran-2-carboxylate (CAS 907945-62-4)
- N'-((Dimethylamino)methylene)-N,N-dimethylformohydrazonamide hydrochloride (CAS 124355-27-7)
- (R)-tert-Butyl 2-ethynylmorpholine-4-carboxylate (CAS 1621165-20-5)
- MOTS-c Peptide (CAS 1627580-64-6)
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