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Merck
CN

8.18461

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
UNSPSC Code:
12352115
EC Index Number:
207-922-4
NACRES:
NA.22
MDL number:
Assay:
≥98.0% (HPLC)
Form:
powder
Quality level:
Technical Service
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Quality Level

assay

≥98.0% (HPLC)

form

powder

mp

150-154 °C

storage temp.

2-30°C

SMILES string

[o]1c(c[c](c(c1)O)=O)CO

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

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable



Certificates of Analysis (COA)

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Global Trade Item Number

SKUGTIN
818461001004022536436692