L-Arabinose suppliers

L-Arabinose

CAS:: 87-72-9

MF:: C5H10O5

MW:: 150.13

SecurityInformation

Symbol(GHS) ：: GHS07

Signal word ：: Warning

Hazard statements ：: H302-H315-H319-H335

Precautionary statements ：: P261-P305+P351+P338

Hazard Codes ：: Xn

Risk Statements ：: 20/21/22-36/37/38

Safety Statements ：: 24/25-36-26

WGK Germany ：: 3

F ：: 3-10

TSCA ：: Yes

HS Code ：: 29400000

Use：: 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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Anhui Hegeng Biotech Engineering Co., Ltd.