butylnaphthalenesulfonic-acid-sodium-salt

Alpha Arbutin with cas 84380-01-8 - Image 2

Alpha Arbutin with cas 84380-01-8

CAS No.:84380-01-8
Other Names:alpha-Arbutin
MF:C12H16O7, C12H16O7
EINECS No.:617-561-8
Synonyms:AlphaArbutinPowder; 4-hydroquinone-alpha-d-glucopyranoside; alpha-arbutin; a-Arbutin; HydroquinoneO-α-D-Glucopyranoside; 4-Hydroxyphenyla-D-glucopyranoside; (2R,3S,4S,5R,6S)-2-(HYDROXYMETHYL)-6-(4-HYDROXYPHENOXY)TETRAHYDROPYRAN-3,4,5-TRIOL; 4-hydroxyphenylalpha-D-glucopyranoside

What is Alpha-Arbutin?

α-Arbutin is a glycosylated hydroquinone and an anomer of naturally occurring arbutin. It is a potent inhibitor of tyrosinase, a vital enzyme involved in epidermal melanin biosynthesis. α-Arbutin finds extensive application as a powerful skin-lightening agent in cosmetic industries.

Specification

Test items

Detection Indicator

Test data

Appearance

White crystals or crystalline powder

White crystals powder

Loss on drying

<0.5%

0.1%

pH

5.0~ 7.0

6.50

Residue on ignition

<0.5%

0.03%

Specific rotation

+174.0°~ +186.0°

+179.40°

Melting point

202.0 °C ~ 212.0 °C

204.5 °C~ 205.5°C

Transmittance

≥95.0%

98.4%

As

≤2ppm

<2 ppm

Pb

≤10 ppm

<10 ppm

Assay

≥99.5%

100.0%

Hydroquinone

Negative

Application

α-Arbutin may be used as an analytical reference standard for the determination of the analyte in cosmetics by high-performance liquid chromatography with UV detection (HPLC-UV) method.

Package

25kgs/drum, 9tons/20’containerPacking

Fe carbonate CAS563-71-3

Related Keywords

AlphaArbutinPowder; 4-hydroquinone-alpha-d-glucopyranoside; alpha-arbutin; a-Arbutin; HydroquinoneO-α-D-Glucopyranoside; 4-Hydroxyphenyla-D-glucopyranoside; (2R,3S,4S,5R,6S)-2-(HYDROXYMETHYL)-6-(4-HYDROXYPHENOXY)TETRAHYDROPYRAN-3,4,5-TRIOL; 4-hydroxyphenylalpha-D-glucopyranoside

COA alpha-arbutin