alpha-L-Rhamnose
Synonym(s):6-Deoxy-L -mannose;6-Deoxyhexopyranose;6-Deoxymannose;L-Rhamnose
- CAS NO.:3615-41-6
- Empirical Formula: C6H12O5
- Molecular Weight: 164.16
- MDL number: MFCD00136036
- EINECS: 222-793-4
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-11-19 15:53:33
What is alpha-L-Rhamnose ?
Chemical properties
White crystals. For equilibrium mixture optical rotation is +9.18 degrees. Very soluble in water and in methanol; soluble in absolute alcohol.
Chemical properties
L-Rhamnose has no odor, but has a very sweet taste.
The Uses of alpha-L-Rhamnose
Synthetic sweetener research.
What are the applications of Application
L-(+)-Rhamnose is a naturally occurring 6-deoxyhexose
Definition
ChEBI: The acyclic form of L-rhamnose.
Flammability and Explosibility
Not classified
Purification Methods
Crystallise the rhamnose from H2O or EtOH. It crystallises easily as the monohydrate by evaporating a solution in MeOH (90%) and H2O (10%). It is also purified by dissolving in a small volume of EtOH, adding a few drops of H2O and cooling. 1H NMR in D2O at 44o contains 60% -pyranose and 40% -pyranose forms [Angyal Adv Carbohydr Chem 42 15 1984.] [Smith J Chem Soc 1035 1940, McGeachin & Beevers Acta Cryst 10 227,230 197, Beilstein 1 IV 4261.]
Properties of alpha-L-Rhamnose
Melting point: | 91-95°C |
Boiling point: | 251.61°C (rough estimate) |
Density | 1.3058 (rough estimate) |
refractive index | 1.6400 (estimate) |
FEMA | 3730 | L-RHAMNOSE |
storage temp. | 2-8°C |
pka | 12.50±0.20(Predicted) |
form | Solid |
color | White to off-white |
Odor | at 100.00 %. odorless |
Water Solubility | 521.5g/L(40 ºC) |
Merck | 8172 |
CAS DataBase Reference | 3615-41-6(CAS DataBase Reference) |
NIST Chemistry Reference | L-Mannose, 6-deoxy-(3615-41-6) |
EPA Substance Registry System | L-Mannose, 6-deoxy- (3615-41-6) |
Safety information for alpha-L-Rhamnose
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. 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 alpha-L-Rhamnose
New Products
4-AMINO-TETRAHYDRO-PYRAN-4-CARBOXYLIC ACID HCL 4-(Dimethylamino)tetrahydro-2H-pyran-4-carbonitrile 4-Aminotetrahydropyran-4-carbonitrile Hydrochloride (R)-3-Aminobutanenitrile Hydrochloride 3-((Dimethylamino)methyl)-5-methylhexan-2-one oxalate 1,4-Dioxa-8-azaspiro[4.5]decane 5-Bromo-2-nitropyridine Nimesulide BP Aceclofenac IP/BP/EP Diclofenac Sodium IP/BP/EP/USP Mefenamic Acid IP/BP/EP/USP Ornidazole IP Diclofenac Potassium THOMAIND PAPER PH 2.0 TO 4.5 1 BOX BUFFER CAPSULE PH 9.2 - 10 CAP SODIUM CHLORIDE 0.1N CVS ALLOXAN MONOHYDRATE 98% PLATINUM 0.5% ON 3 MM ALUMINA PELLETS (TYPE 73) LITHIUM AAS SOLUTION 2-Bromo-1-(bromomethyl)-3-chloro-5-nitrobenzene 2-Bromo-3-nitroaniline N-(3-Hydroxypropyl)-N-methylacetamide 3-Bromo-6-chloropyridazine 4-ethyl-3-nitrobenzoic acidRelated products of tetrahydrofuran
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