| Identification | More | [Name]
L(+)-Arabinose | [CAS]
87-72-9 | [Synonyms]
BETA-L-ARABINOPYRANOSE
BETA-L-(+)-ARABINOSE
L-(+)-ARABINOSE
Arabinose(L)
L-(+)-ARABINOSE CRYSTALLINE
pectinose, pure
L(+)-ARABINOSE, FOR BIOTECHNOLOGICAL PUR POSES
ausGummiarbicum
ARABITOL, L-(-)-(RG)
L-Arabinopyranose
L-ARABINOSE extrapure
(2R,3R,4S,5S)-oxane-2,3,4,5-tetrol | [EINECS(EC#)]
226-214-6 | [Molecular Formula]
C5H10O5 | [MDL Number]
MFCD00067709 | [Molecular Weight]
150.13 | [MOL File]
87-72-9.mol |
| Chemical Properties | Back Directory | [Appearance]
White to off white crystalline powder | [Melting point ]
160-163 °C(lit.)
| [alpha ]
103 º (c=5, H2O) | [Boiling point ]
191.65°C (rough estimate) | [density ]
1.1897 (rough estimate) | [refractive index ]
1.3920 (estimate) | [storage temp. ]
Store at RT. | [form ]
Fine Crystalline Powder | [pka]
12.26±0.70(Predicted) | [color ]
White | [Water Solubility ]
soluble | [Merck ]
14,761 | [BRN ]
1723085 | [CAS DataBase Reference]
87-72-9(CAS DataBase Reference) | [NIST Chemistry Reference]
Arabinose(L)(87-72-9) | [EPA Substance Registry System]
87-72-9(EPA Substance) |
| Safety Data | Back Directory | [Hazard Codes ]
Xn | [Risk Statements ]
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed .
R36/37/38:Irritating to eyes, respiratory system and skin . | [Safety Statements ]
S24/25:Avoid contact with skin and eyes .
S36:Wear suitable protective clothing .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice . | [WGK Germany ]
3
| [F ]
3-10 | [TSCA ]
Yes | [HS Code ]
29400090 |
| Hazard Information | Back Directory | [Chemical Properties]
White to off white crystalline powder | [Uses]
A base component of hemicellulose and pectin, critical biopolymers. | [Purification Methods]
beta-L-(+)-Arabinose is recrystallised slowly, twice, from 80% aqueous EtOH, then dried under vacuum over P2O5. It can also be purified by heating the arabinose (200g) with glacial acetic acid (300mL) on a boiling water bath for 45minutes, cooling, filtering, washing with 95% EtOH (500mL) in four portions and drying at 56-60o over P2O5. It has been recrystallised from 5times its weight of 76% EtOH using charcoal (10g) to yield 127g, m 155-157o, [] 20D +190.6o and mutarotating to +104o (c 4, H2O). [Anderson & Sands Org Synth Coll Vol I 67 1941, Wolfrom & Christian J Am Chem Soc 48 3172 1926, Beilstein 1 IV 4217.] |
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