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Documentos

11038

Supelco

2,3-Butanedione

analytical standard

Sinónimos:

Biacetyl, Diacetyl

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About This Item

Fórmula lineal:
CH3COCOCH3
Número de CAS:
431-03-8
Peso molecular:
86.09
Beilstein:
605398
Número CE:
207-069-8
Número MDL:
MFCD00008756
Código UNSPSC:
41116107
ID de la sustancia en PubChem:
329749296
NACRES:
NA.24

grado

analytical standard

Nivel de calidad

100

densidad de vapor

3 (vs air)

presión de vapor

52.2 mmHg ( 20 °C)

Análisis

≥99.0% (GC)

temp. de autoignición

345 °C

caducidad

limited shelf life, expiry date on the label

técnicas

HPLC: suitable
gas chromatography (GC): suitable

índice de refracción

n20/D 1.394 (lit.)

bp

88 °C (lit.)

densidad

0.981 g/mL (lit.)

aplicaciones

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

formato

neat

cadena SMILES

CC(=O)C(C)=O

InChI

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

Clave InChI

QSJXEFYPDANLFS-UHFFFAOYSA-N

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Descripción general

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.

Aplicación

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.

Productos recomendados

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.

Palabra de señalización

Danger

Clasificaciones de peligro

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

Órganos de actuación

Respiratory system

Código de clase de almacenamiento

3 - Flammable liquids

Clase de riesgo para el agua (WGK)

WGK 2

Punto de inflamabilidad (°F)

44.6 °F - closed cup

Punto de inflamabilidad (°C)

7 °C - closed cup

Equipo de protección personal

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

Choose from one of the most recent versions:

Certificados de análisis (COA)

Lot/Batch Number
BCCD1377
BCBZ6098
BCBW1565
BCBS3560V
BCBR3819V

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Sigma-Aldrich

W255807

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Supelco

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2,3-Butanediol analytical standard, mixture of racemic and meso forms

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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)
Esther Serrano-Saiz et al.
Genetics, 214(1), 163-178 (2019-11-30)
Members of the superfamily of solute carrier (SLC) transmembrane proteins transport diverse substrates across distinct cellular membranes. Three SLC protein families transport distinct neurotransmitters into synaptic vesicles to enable synaptic transmission in the nervous system. Among them is the SLC17A6/7/8
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Rapid communications in mass spectrometry : RCM, 25(11), 1536-1542 (2011-05-20)
Citrullination is a post-translational modification (PTM) that results from the deimination of the amino acid arginine into citrulline by Peptidyl Arginine Deiminase enzymes and occurs in a wide range of proteins in health and disease. This modification causes a 1
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Protocolos

GC Analysis of Volatiles in Roasted Coffee Beans on Omegawax® after SPME using a 50/30 µm DVB/Carboxen/PDMS Fiber

-Cymene; 2,5-Dimethylpyrrole; Acetoin, ≥96%, FCC, FG; 2,5-Dimethylpyrazine; 2,6-Dimethylpyrazine; 2-Ethylpyrazine, ≥98%, FG; 2,3-Dimethylpyrazine; 4-Heptanone; 3-Ethylpyridine; 2,3,5-Trimethylpyrazine; Furfural; Pyrrole; Furfuryl acetate; Linalool; Linalyl acetate; 5-Methylfurfural; γ-Butyrolactone; 2-Acetyl-1-methylpyrrole; Furfuryl alcohol; 2-Acetylpyrrole; Pyrrole-2-carboxaldehyde

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