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11038

2,3-Butanedione

analytical standard

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:
41116107
NACRES:
NA.24
PubChem Substance ID:
329749296
EC Number:
207-069-8
Beilstein/REAXYS Number:
605398
MDL number:
MFCD00008756
Technical Service
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grade

analytical standard

Quality Level

100

vapor density

3 (vs air)

vapor pressure

52.2 mmHg ( 20 °C)

assay

≥99.0% (GC)

autoignition temp.

345 °C

shelf life

limited shelf life, expiry date on the label

technique(s)

HPLC: suitable, gas chromatography (GC): suitable

refractive index

n20/D 1.394 (lit.)

bp

88 °C (lit.)

density

0.981 g/mL (lit.)

application(s)

cleaning products
cosmetics
environmental
flavors and fragrances
food and beverages
personal care

format

neat

SMILES string

CC(=O)C(C)=O

InChI

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

InChI key

QSJXEFYPDANLFS-UHFFFAOYSA-N

General description

2,3-Butanedione, a volatile compound, is a product of citrate metabolism that is generally produced by certain bacteria including Lactococcus lactis ssp. diacetylactis and Leuconostoc citrovorum. It has a typical buttery flavor and is commonly found in fermented dairy products, such as sour cream, yogurt and cottage cheese.

Application

2,3-Butanedione may be used as an analytical standard for the determination of the analyte in milk and human breath samples by solid-phase microextraction and gas chromatography.
Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

Other Notes

Find a digital Reference Material for this product available on our online platform ChemisTwin® for NMR. You can use this digital equivalent on ChemisTwin® for your sample identity confirmation and compound quantification (with digital external standard). An NMR spectrum of this substance can be viewed and an online comparison against your sample can be performed with a few mouseclicks. Learn more here and start your free trial.

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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

Hazard Classifications

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

Regulatory Information

危险化学品

This item has

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
BCCD1377
BCBZ6098
BCBW1565
BCBS3560V
BCBR3819V

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Roger L. Lundblad
Chemical Modification of Biological Polymers, 78-78 (2011)
Determination of volatile organic compounds as biomarkers of lung cancer by SPME-GC-TOF/MS and chemometrics
Rudnicka J, et al.
Journal of Chromatography. B, Biomedical Applications, 879(30), 3360-3366 (2011)
Rapid gas-chromatographic method for the determination of diacetyl in milk, fermented milk and butter
Macciola V, et al.
Food Control, 19(9), 873-878 (2008)
View All Related Papers

Global Trade Item Number

SKUGTIN
11038-1ML-F04061838696212
11038-5ML-F04061838696229