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Merck

B85307

2,3-Butanedione

97%

Synonym(s):

Biacetyl, Diacetyl

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About This Item

Linear Formula:
CH3COCOCH3
CAS Number:
431-03-8
Molecular Weight:
86.09
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
24892076
EC Number:
207-069-8
Beilstein/REAXYS Number:
605398
MDL number:
MFCD00008756
Assay:
97%
Form:
liquid

Key Documents

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form

liquid

InChI key

QSJXEFYPDANLFS-UHFFFAOYSA-N

InChI

1S/C4H6O2/c1-3(5)4(2)6/h1-2H3

SMILES string

CC(=O)C(C)=O

vapor density

3 (vs air)

vapor pressure

52.2 mmHg ( 20 °C)

assay

97%

autoignition temp.

345 °C

Quality Level

100

Gene Information

human ... ACHE(43), BCHE(590), CES1(1066)

bp

88 °C (lit.)

density

0.981 g/mL (lit.)

storage temp.

2-8°C

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Application

Inactivates aminopeptidase-N. Cyclocondensation with amines has been used to form triazine and pteridine ring systems. Also used as a precursor to α-diones.

signalword

Danger

target_organs

Respiratory system

Storage Class

3 - Flammable liquids

flash_point_f

44.6 °F - closed cup

flash_point_c

7 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves, Heavyweight Gloves, Safety Clothing, type ABEK (EN14387) respirator filter

Hazard Classifications

Acute Tox. 3 Inhalation - Acute Tox. 4 Oral - Flam. Liq. 2 - Skin Irrit. 2 - STOT RE 1 Inhalation

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Certificates of Analysis (COA)

Lot/Batch Number
MKCM4908
MKCL1765
MKCK6718
SHBL0314
SHBK5234

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T R Leonard et al.
American journal of physiology. Cell physiology, 299(6), C1398-C1401 (2010-09-17)
It has been accepted for half a century that, for a given level of activation, the steady-state isometric force of a muscle sarcomere depends exclusively on the amount of overlap between the contractile filaments actin and myosin, or equivalently sarcomere
A Helene et al.
European journal of biochemistry, 196(2), 385-393 (1991-03-14)
Sequence analysis of aminopeptidase N has shown that this zinc exopeptidase contains a consensus sequence (Val-Xaa-Xaa-His-Glu-Xaa-Xaa-His), generally found at the active site of zinc endopeptidases [Jongeneel, C. V., Bouvier, J. and Bairoch, A. (1989) FEBS Lett. 242, 211-214]. This suggests
Australian Journal of Chemistry, 43, 1449-1449 (1990)
Jhonatan A Hernandez-Valdes et al.
Frontiers in microbiology, 11, 1032-1032 (2020-06-12)
Some secondary metabolites of fermentative bacteria are desired compounds for the food industry. Examples of these compounds are diacetyl and acetaldehyde, which are produced by species of the lactic acid bacteria (LAB) family. Diacetyl is an aromatic compound, giving the
Tetrahedron Letters, 32, 3879-3879 (1991)
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