3-(2,4-dichlorophenoxy)propanoic acid CAS 3284-80-8
| CAS No. | 3284-80-8 |
| Molecular Formula | C9H8Cl2O3 |
| Molecular Weight | 235.06 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
3-(2,4-dichlorophenoxy)propanoic acid (CAS 3284-80-8), molecular formula C9H8Cl2O3 and molecular weight 235.06 g/mol, is a CATO reference standard with documented purity and traceability.
3-(2,4-dichlorophenoxy)propanoic acid (C9H8Cl2O3) contains 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).
As a certified reference material (CRM), 3-(2,4-dichlorophenoxy)propanoic acid 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.
Physical & Chemical Properties
| Molecular Formula | C9H8Cl2O3 |
| Molecular Weight | 235.06 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; 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.) | 1957 |
| Halogen Content | Cl-containing |
Related dichlorophenoxy Standards
- (S)-2-(2,4-dichlorophenoxy)propanoic acid (CAS 15165-69-2)
- 2-(2,3-Dichlorophenoxy)propanoic acid (CAS 55507-94-3)
- 2-(2,5-Dichlorophenoxy)propanoic acid (CAS 6965-71-5)
- 2-(3,4-Dichlorophenoxy)propanoic acid (CAS 3307-41-3)
- 2-(3,5-dichlorophenoxy)propanoic acid (CAS 68070-08-6)
- 3-(2,3-Dichlorophenoxy)propanoic acid (CAS 7170-58-3)
- 3-(2,5-dichlorophenoxy)propanoic acid (CAS 7170-68-5)
- 3-(3,4-Dichlorophenoxy)propanoic acid (CAS 3284-81-9)
Recommended Standards
- 3-(2,4-Dichlorophenyl)-2-hydroxypropanoic acid (CAS 68921-92-6)
- 2-Pyridinesulfenyl bromide, 3-nitro- (CAS 68118-07-0)
- 3-(2,4-Dichlorophenyl)-3-hydroxypropanoic acid (CAS 62547-75-5)
- 2,6-Dichloro-3,5-dimethoxybenzaldehyde (CAS 287175-08-0)
- Piperazine-1-sulfonamide hydrochloride (CAS 1403952-74-8)
- 4-Benzyl 1-(tert-butyl) L-aspartate (CAS 94347-11-2)
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- N-(p-Tolyl)-1H-imidazole-4-sulfonamide (CAS 58768-25-5)
- 3-(1-(2,4-Dichlorobenzyl)-1H-benzo[d]imidazol-2-yl)pyridin-2(1H)-one (CAS 860784-64-1)
- 2-(4-(Aminomethyl)-6-bromo-2-(difluoromethyl)pyridin-3-yl)acetonitrile (CAS 1806969-95-8)
- 4-Methyl-1,2-oxathiolane 2,2-Dioxide (CAS 15606-89-0)
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- (D-Ala2)-Gastric Inhibitory Polypeptide (human) trifluoroacetate salt (CAS 444073-04-5)
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