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B85307

Sigma-Aldrich

2,3-Butanedione

97%

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Synonym(s):
Biacetyl, Diacetyl
Linear Formula:
CH3COCOCH3
CAS Number:
Molecular Weight:
86.09
Beilstein/REAXYS Number:
605398
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.22

vapor density

3 (vs air)

vapor pressure

52.2 mmHg ( 20 °C)

assay

97%

form

liquid

autoignition temp.

345 °C

refractive index

n20/D 1.394 (lit.)

bp

88 °C (lit.)

density

0.981 g/mL (lit.)

storage temp.

2-8°C

SMILES string

CC(=O)C(C)=O

InChI

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

InChI key

QSJXEFYPDANLFS-UHFFFAOYSA-N

Gene Information

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1 of 4

This Item
6327591103831550
vibrant-m

B85307

2,3-Butanedione

vibrant-m

11038

2,3-Butanedione

vibrant-m

31550

2,3-Butanedione monoxime

Quality Level

100

Quality Level

100

Quality Level

100

Quality Level

100

bp

88 °C (lit.)

bp

-

bp

88 °C (lit.)

bp

185-186 °C (lit.)

refractive index

n20/D 1.394 (lit.)

refractive index

-

refractive index

n20/D 1.394 (lit.)

refractive index

-

density

0.981 g/mL (lit.)

density

-

density

0.981 g/mL (lit.)

density

-

storage temp.

2-8°C

storage temp.

-

storage temp.

-

storage temp.

-

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

Hazard Classifications

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

target_organs

Respiratory system

Storage Class

3 - Flammable liquids

wgk_germany

WGK 2

flash_point_f

44.6 °F

flash_point_c

7 °C

ppe

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


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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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