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46935-U Supelco

Isobutyric acid

analytical standard

Synonym: 2-Methylpropionic acid

  • CAS Number 79-31-2

  • Linear Formula (CH3)2CHCO2H

  • Molecular Weight 88.11

  •  Beilstein Registry Number 635770

  •  EC Number 201-195-7

  •  MDL number MFCD00002658

  •  PubChem Substance ID 329757268

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Properties

Related Categories Acid, Alcoholic & Nonalcoholic Beverages, All Alphabetically Sorted, Analytical Standards, Analytical/Chromatography,
grade   analytical standard
vapor density   3.04 (vs air)
vapor pressure   1.5 mmHg ( 20 °C)
InChI Key   KQNPFQTWMSNSAP-UHFFFAOYSA-N
form   neat
autoignition temp.   824 °F
expl. lim.   10 %
packaging   ampule of 500 mg
application(s)   HPLC: suitable
  gas chromatography (GC): suitable
refractive index   n20/D 1.393(lit.)
bp   153-154 °C(lit.)
mp   −47 °C (lit.)
density   0.95 g/mL at 25 °C(lit.)
Featured Industry   Cosmetics, Personal Care, and Cleaning Products
Food and Beverages
format   neat
storage temp.   room temp

Description

Application

Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
RIDADR 
UN 2529 8(3) / PGIII
WGK Germany 
1
RTECS 
NQ4375000
Flash Point(F) 
131 °F
Flash Point(C) 
55 °C
Protocols & Articles

Articles

GC Analysis of C2-C22 Free Fatty Acids on Nukol™

From our library of Articles, Sigma-Aldrich presents GC Analysis of C2-C22 Free Fatty Acids on Nukol™
Keywords: Chromatography, Flame ionization detector, Gas chromatography, Purification

GC Analysis of C2-C7 Free Fatty Acids on Nukol™

From our library of Articles, Sigma-Aldrich presents GC Analysis of C2-C7 Free Fatty Acids on Nukol™
Keywords: Chromatography, Flame ionization detector, Gas chromatography, Purification, Size-exclusion chromatography

GC Analysis of Fermentation Compounds on a Packed Column (6.6% Carbowax® 20M on 80/120 °Carbopack™ B AW)

From our library of Articles, Sigma-Aldrich presents GC Analysis of Fermentation Compounds on a Packed Column (6.6% Carbowax® 20M on 80/120 °Carbopack™ B AW)
Keywords: Chromatography, Flame ionization detector, Gas chromatography, Purification

GC Analysis of Free Fatty Acids in Parmesan Cheese using Nukol™ after SPME using 65 μm Carbowax/DVB Fiber

From our library of Articles, Sigma-Aldrich presents GC Analysis of Free Fatty Acids in Parmesan Cheese using Nukol™ after SPME using 65 μm Carbowax/DVB Fiber
Keywords: Chromatography, Flame ionization detector, Gas chromatography, Purification, Solid phase microextractions

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Reliable Identification of F&F Components by GC/MS and Linear Retention Indices and Multidimensional Chromatography [VIDEO]

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Peer-Reviewed Papers
15

References

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