(R)-1,4-Benzodioxane-2-carboxylic acid
Synonym(s):(R)-2,3-Dihydro-1,4-benzodioxin-2-carboxylic acid
- CAS NO.：70918-53-5
- Empirical Formula: C9H8O4
- Molecular Weight: 180.16
- MDL number: MFCD00239407
- SAFETY DATA SHEET (SDS)
- Update Date: 2023-04-23 13:52:06
What is (R)-1,4-Benzodioxane-2-carboxylic acid?
Chemical properties
White crystalline powder
The Uses of (R)-1,4-Benzodioxane-2-carboxylic acid
(R)-1,4-Benzodioxane-2-carboxylic acid is a chiral synthon mostly used in the preparation of doxazosin mesylate, a drug treating benign prostatic hyperplasia.
Properties of (R)-1,4-Benzodioxane-2-carboxylic acid
| Melting point: | 96-99 °C |
| Boiling point: | 347.2±41.0 °C(Predicted) |
| alpha | 83 º (c=1.5% in chloroform) |
| Density | 1.379±0.06 g/cm3(Predicted) |
| storage temp. | 2-8°C |
| pka | 2.69±0.20(Predicted) |
| color | Pale yellow |
| optical activity | [α]20/D +83±2°, c = 1.5% in chloroform |
| BRN | 5742837 |
| CAS DataBase Reference | 70918-53-5(CAS DataBase Reference) |
Safety information for (R)-1,4-Benzodioxane-2-carboxylic acid
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for (R)-1,4-Benzodioxane-2-carboxylic acid
| InChIKey | HMBHAQMOBKLWRX-MRVPVSSYSA-N |
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