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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
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vapor density

3 (vs air)

Quality Segment

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.)

functional group

ketone

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

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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Signal Word

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 (personal protective equipment)

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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