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8.18461

Sigma-Aldrich

5-Hydroxy-2-hydroxymethyl-4H-pyran-4-one

for synthesis

Synonym(s):

5-Hydroxy-2-hydroxymethyl-4H-pyran-4-one, Kojic acid

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About This Item

Empirical Formula (Hill Notation):
C6H6O4
CAS Number:
Molecular Weight:
142.11
MDL number:
UNSPSC Code:
12352115
EC Index Number:
207-922-4
NACRES:
NA.22

Quality Level

Assay

≥98.0% (HPLC)

form

powder

mp

150-154 °C

storage temp.

2-30°C

InChI

1S/C6H6O4/c7-2-4-1-5(8)6(9)3-10-4/h1,3,7,9H,2H2

InChI key

BEJNERDRQOWKJM-UHFFFAOYSA-N

Analysis Note

Assay (HPLC, area%): ≥ 98.0 % (a/a)
Melting range (lower value): ≥ 150 °C
Melting range (upper value): ≤ 154 °C
Identity (IR): passes test

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

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