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)
Quality Level
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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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
Tetrahedron Letters, 32, 3879-3879 (1991)
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