4,5-Dichloro-2-nitrophenol CAS 39224-65-2
| CAS No. | 39224-65-2 |
| Molecular Formula | C6H3Cl2NO3 |
| Molecular Weight | 208.00 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 4,5-Dichloro-2-nitrophenol under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
CATO supplies 4,5-Dichloro-2-nitrophenol (CAS 39224-65-2), a certified reference material (molecular formula C6H3Cl2NO3, MW 208.00 g/mol) for analytical method development and quality control.
4,5-Dichloro-2-nitrophenol (C6H3Cl2NO3) contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system. It is notably hygroscopic, halogen substitution raises its density and boiling point, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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 | C6H3Cl2NO3 |
| Molecular Weight | 208.00 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, keep tightly closed to prevent evaporation |
| 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1968 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Dichloro Standards
- 3,5-Dichloro-6-hydroxypicolinic acid (CAS 103997-22-4)
- 2,4-Dichloro-6-methyl-5-nitropyrimidine (CAS 13162-26-0)
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- 2,3-Dichloro-5-nitrophenol (CAS 1806356-80-8)
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Recommended Standards
- 3-Iodocyclopent-2-en-1-one (CAS 61765-46-6)
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- 3-Iodo-5-methylpyrazole (CAS 93233-21-7)
- 4-Bromo-3,5-difluoroaniline (CAS 203302-95-8)
- 3-FLUOROBENZALDEHYDE OXIME (CAS 458-02-6)
- (R)-2-allylpyrrolidine (CAS 749830-59-9)
- (1R,3R)-Cyclohexane-1,3-diol (CAS 1062626-08-7)
- N-[3-(2,1,3-Benzothiadiazol-5-ylamino)-2-quinoxalinyl]-4-methylbenzenesulfonamide, (CAS 956958-53-5)
- 3-(Furan-2-yl)-2-methoxybenzoic acid (CAS 1261937-86-3)
- 2-(Difluoromethyl)-3-iodo-4-methoxypyridine-6-acetic acid (CAS 1805416-62-9)
- RVG-9R trifluoroacetate salt (CAS 1678417-57-6)
- 2,5,7-trihydroxy-2-phenylchroman-4-one (CAS 40489-17-6)
- 5-Bromo-6-(1H-pyrrol-1-yl)pyridin-3-amine (CAS 1490858-90-6)
- Tirzepatide Impurity 26 X TFA Salt (CAS CATO-C4X-324026)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com