B85307
2,3-Butanedione
97%
Synonym(s):
Biacetyl, Diacetyl
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About This Item
Linear Formula:
CH3COCOCH3
CAS Number:
Molecular Weight:
86.09
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
EC Number:
207-069-8
Beilstein/REAXYS Number:
605398
MDL number:
Assay:
97%
Form:
liquid
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
human ... ACHE(43), BCHE(590), CES1(1066)
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.
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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
hcodes
Hazard Classifications
Acute Tox. 3 Inhalation - Acute Tox. 4 Oral - Flam. Liq. 2 - Skin Irrit. 2 - STOT RE 1 Inhalation
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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
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
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