1,2-Phenylenebis(phosphonic acid) CAS 28255-47-2
| CAS No. | 28255-47-2 |
| Molecular Formula | C6H8O6P2 |
| Molecular Weight | 238.07 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 1,2-Phenylenebis(phosphonic acid) (C6H8O6P2) contains a carbohydrate-derived structure, a phosphate ester group. The molecule exhibits a degree of unsaturation (DBE) of 3.0, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 238.07 g/mol, it falls into the medium-molecular-weight range. 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).
CATO supplies 1,2-Phenylenebis(phosphonic acid) (CAS 28255-47-2), a certified reference material (molecular formula C6H8O6P2, MW 238.07 g/mol) for analytical method development and quality control.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 1,2-Phenylenebis(phosphonic acid) 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.
Physical & Chemical Properties
| Molecular Formula | C6H8O6P2 |
| Molecular Weight | 238.07 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1965 |
Related Phenylenebis Standards
- 1,3-Phenylenebis(phosphonic acid) (CAS 78271-46-2)
- 1,4-Phenylenebis(phosphonic acid) (CAS 880-68-2)
- 1,3-Phenylenebis((2-methylaziridin-1-yl)methanone) (CAS 7652-64-4)
- 2,2'-(1,4-Phenylenebis(methaneylylidene))dimalononitrile (CAS 17239-69-9)
- 1,4-Phenylenebis(dimethylsilanol) (CAS 2754-32-7)
- 1,4-Phenylenebis(thiourea) (CAS 1519-70-6)
- 2,2-(1,2-Phenylenebis(oxy))diacetic acid (CAS 5411-14-3)
- 2,2'-(1,4-Phenylenebis(oxy))diacetic acid (CAS 2245-53-6)
Recommended Standards
- 1-(iodomethyl)-7-oxabicyclo[2.2.1]heptane (CAS 946402-76-2)
- 1-(iodomethyl)-4-methyl-2-oxabicyclo[2.1.1]hexane (CAS 2167041-68-9)
- 1,4-Dichloro-5H-pyridazino[4,5-b]indole (CAS 80985-56-4)
- 1-(iodomethyl)-2-oxabicyclo[3.1.1]heptane (CAS 2387221-08-9)
- cis-4-[2-(3-Fluorophenyl)-2-oxoethyl]-cyclohexane-1-carboxylic acid (CAS 735275-60-2)
- 4-(3-(2-(Difluoromethoxy)phenyl)-1,2,4-oxadiazol-5-yl)aniline (CAS 1708168-49-3)
- 4-Chloro-7,8-dihydro-6H-pyrrolo[2,1-f]purine (CAS 150012-97-8)
- (7-Bromo-9,9-dimethyl-9H-fluoren-2-yl)boronic Acid(contains varying amounts of Anhydride) (CAS 1213768-48-9)
- (4-Bromo-6-chloropyridin-3-yl)boronic acid (CAS 957062-85-0)
- 2-Ethynyl-5-nitrothiophene (CAS 74610-87-0)
- 5-Propylthiophene-2-carbothioamide (CAS 24662-25-7)
- 2-Isopropyl-4-methylthiazole-5-carboxylic acid (CAS 137267-29-9)
- O-Terphenyl (CAS 84-15-1)
- Semaglutide Impurity 149 (CAS CATO-C4X-2226149)
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