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Merck

8.20664

3-Hydroxy-2-butanone

for synthesis

Synonym(s):

3-Hydroxy-2-butanone, Acetyl methyl carbinol, Acetoin

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100 G

₩120,481

250 G

₩268,569

₩120,481


Estimated to ship onDecember 24, 2025Details


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About This Item

Linear Formula:
(CH3CH(OH)COCH3)2
CAS Number:
Molecular Weight:
176.21
MDL number:
UNSPSC Code:
12352115
NACRES:
NA.22

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Quality Level

Assay

≥97.0% (GC)

form

liquid

potency

>5000 mg/kg LD50, oral (Rat)
>5000 mg/kg LD50, skin (Rabbit)

bp

147-148 °C/1013 hPa

mp

20 °C (Above 20°C conversion of dimer to monomer 15°C)

transition temp

flash point 45 °C

density

1.012 g/cm3 at 20 °C

SMILES string

OC(C)C(=O)C

InChI

1S/C4H8O2/c1-3(5)4(2)6/h3,5H,1-2H3

InChI key

ROWKJAVDOGWPAT-UHFFFAOYSA-N

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Show Differences

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This Item
40127-U277487A17951
assay

≥97.0% (GC)

assay

-

assay

98%

assay

≥98.0% (GC)

Quality Level

200

Quality Level

300

Quality Level

100

Quality Level

100

density

1.012 g/cm3 at 20 °C

density

1.013 g/mL at 25 °C (lit.)

density

1.034 g/mL at 25 °C (lit.)

density

1.013 g/mL at 25 °C (lit.)

form

liquid

form

-

form

liquid

form

crystals

bp

147-148 °C/1013 hPa

bp

148 °C (lit.)

bp

139 °C (lit.)

bp

148 °C (lit.)

mp

20 °C (Above 20°C conversion of dimer to monomer 15°C)

mp

15 °C (monomer), 90 °C (dimer) (lit.)

mp

-

mp

15 °C (monomer), 90 °C (dimer) (lit.)

Analysis Note

Assay (GC, area%): ≥ 97.0 % (a/a)
Identity (IR): passes test

Pictograms

Flame

Signal Word

Warning

Hazard Statements

Hazard Classifications

Flam. Liq. 3

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

113.0 °F

Flash Point(C)

45 °C


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