Mono(2- (2- hydroxyethyl) hexyl) Phthalate CAS 82975-94-8
| CAS No. | 82975-94-8 |
| Molecular Formula | C16H22O5 |
| Molecular Weight | 294.34 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.
Mono(2- (2- hydroxyethyl) hexyl) Phthalate (CAS 82975-94-8), molecular formula C16H22O5 and molecular weight 294.34 g/mol, is a CATO reference standard with documented purity and traceability.
Mono(2- (2- hydroxyethyl) hexyl) Phthalate (C16H22O5) contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. 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), Mono(2- (2- hydroxyethyl) hexyl) Phthalate 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 | C16H22O5 |
| Molecular Weight | 294.34 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1980 |
Related Mono Standards
- Mono(2- (1- hydroxyethyl) hexyl) Phthalate (CAS 88144-76-7)
- Mono(2-ethyl-6-hydroxyhexyl) Phthalate (CAS 82975-96-0)
- Mono(2-Ethyl-5-Hydroxyhexyl) Phthalate (CAS 40321-99-1)
- Mono(4- carboxy- 2- ethylbutyl) Phthalate (CAS 82975-92-6)
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- Mono-2-(1-oxoethyl)hexyl Phthalate (CAS 88144-82-5)
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