(1S)-(-)-Camphanic acid
Synonym(s):(−)-Camphanic acid;(1S)-3-Oxo-4,7,7-trimethyl-2-oxabicyclo[2.2.1]heptane-1-carboxylic acid
- CAS NO.：13429-83-9
- Empirical Formula: C10H14O4
- Molecular Weight: 198.22
- MDL number: MFCD00044948
- EINECS: 236-552-6
- SAFETY DATA SHEET (SDS)
- Update Date: 2023-05-04 17:34:33
What is (1S)-(-)-Camphanic acid?
Chemical properties
WHITE TO SLIGHTLY BEIGE CRYSTALLINE POWDER
The Uses of (1S)-(-)-Camphanic acid
(1S)-(-)-Camphanic acid may be used in the preparation of (-)-(1S,4R)-camphanoyl chloride by reacting with thionyl chloride.
What are the applications of Application
(1S)-(?)-Camphanic acid is a chiral reagent
Definition
ChEBI: (-)-camphanic acid is a delta-lactone.
General Description
(1S)-(-)-Camphanic acid is commonly used as a chiral auxiliary for the separation of racemates.
Purification Methods
Dissolve it in CH2Cl2, dry (MgSO4), filter, evaporate and the residue is sublimed at 120o/0.5mm or 140o/1mm. [Gerlach Helv Chim Acta 61 2773 1978, Beilstein 18/8 V 101.]
Properties of (1S)-(-)-Camphanic acid
| Melting point: | 201-205 °C |
| Boiling point: | 255.53°C (rough estimate) |
| alpha | -18.5 º (c=1, dioxane) |
| Density | 1.0143 (rough estimate) |
| refractive index | 1.4500 (estimate) |
| storage temp. | Sealed in dry,Room Temperature |
| form | powder to crystaline |
| pka | 3.36±0.60(Predicted) |
| color | White to Almost white |
| optical activity | [α]20/D 18°, c = 1 in dioxane |
| BRN | 84570 |
| CAS DataBase Reference | 13429-83-9(CAS DataBase Reference) |
Safety information for (1S)-(-)-Camphanic 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. P280:Wear protective gloves/protective clothing/eye protection/face protection. P304+P340:IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P405:Store locked up. |
Computed Descriptors for (1S)-(-)-Camphanic acid
| InChIKey | RKFCLVFAFZYVCG-WDEREUQCSA-N |
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