[1-hydroxy-2-(2-pyridinyl)ethylidene]bis(phosphonic acid)
Synonym(s):[1-Hydroxy-2-(2-pyridinyl)ethylidene]bis-phosphonic acid;[1-Hydroxy-2-(2-pyridinyl)ethylidene]bis-phosphonic acid sodium salt
- CAS NO.：105462-23-5
- Empirical Formula: C7H11NO7P2
- Molecular Weight: 283.11
- MDL number: MFCD26142885
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-28 02:36:27
![[1-hydroxy-2-(2-pyridinyl)ethylidene]bis(phosphonic acid) Structural](https://img.chemicalbook.in/CAS/GIF/105462-23-5.gif)
What is [1-hydroxy-2-(2-pyridinyl)ethylidene]bis(phosphonic acid)?
The Uses of [1-hydroxy-2-(2-pyridinyl)ethylidene]bis(phosphonic acid)
1-Hydroxy-2-(2-pyridinyl) Risedronate is an impurity in the synthesis of Risedronate (R521505), a pyridinyl biphosphonate bone resorption inhibitor.
Properties of [1-hydroxy-2-(2-pyridinyl)ethylidene]bis(phosphonic acid)
| solubility | Aqueous Base (Slightly), Methanol (Slightly) |
| form | neat |
| BRN | 8151626 |
| Stability: | Hygroscopic |
Safety information for [1-hydroxy-2-(2-pyridinyl)ethylidene]bis(phosphonic acid)
| Signal word | Danger |
| Pictogram(s) |
 Health Hazard GHS08 |
| GHS Hazard Statements |
H317:Sensitisation, Skin H334:Sensitisation, respiratory |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P280:Wear protective gloves/protective clothing/eye protection/face protection. P284:Wear respiratory protection. P304+P340:IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. P333+P313:IF SKIN irritation or rash occurs: Get medical advice/attention. P342+P311:IF experiencing respiratory symptoms: call a POISON CENTER or doctor/physician. |
Computed Descriptors for [1-hydroxy-2-(2-pyridinyl)ethylidene]bis(phosphonic acid)
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