Beta Arbutin β-Arbutin

Arbutin

β-D-Glucopyranoside,4-hydroxyphenyl;Arbutin;Glucopyranoside,p-hydroxyphenyl,β-D-;4-Hydroxyphenyl β-D-glucopyranoside;Ursin;p-Hydroxyphenyl β-D-glucoside;p-Hydroxyphenyl β-D-glucopyranoside;Hydroquinone β-D-glucopyranoside;Arbutine;Uvasol;β-Arbutin;Hydroquinone glucose;Arbutoside;NSC 4036;Arbutyne;p-Arbutin;30373-96-7;39464-18-1;1779499-53-4

497-76-7

C12H16O7

InChIKey=BJRNKVDFDLYUGJ-RMPHRYRLSA-N

272.25100

272.25

207-850-3

C5INA23HXF

DTXSID7040152

Colorless elongated prisms from moist ethyl acetate|White powder (pure synthetic)|Needles (water + 1)

29389090

Bulk Drug Intermediates

119.61000

-0.7

white powder

1.556g/cm3

199.5 °C

561.6ºC at 760 mmHg

293.4ºC

1.65

H2O: 10-15 g/100 mL at 20 ºC

1.9E-13mmHg at 25°C

Specific optical rotation: -60.3 deg at 20 °C/D (in water)

Henry's Law constant = 1.20X10-19 atm-cu m/mol at 25 °C (est)

166.6 Ų [M+Na]+ [CCS Type: DT, Method: single field calibrated with Agilent tune mix (Agilent)]|159.52 Ų [M+Na-2H]- [CCS Type: DT, Method: single field calibrated with Agilent tune mix (Agilent)]|164.4 Ų [M+Na]+ [CCS Type: TW, Method: calibrated with polyalanine and drug standards]

MP 199 °C after sintering at 163-164 °C ... Also reported as unstable form, mp 165 °C; stable form, mp 199.5-200 °C|Hydroxyl radical reaction rate constant = 9.10X10-11 cu cm/molec-sec at 25 °C (est)