This certified reference material (CRM) is produced and certified in accordance with ISO/IEC 17025 and ISO 17034. This CRM is traceable to primary material from an NMI, e.g. NIST or NMIJ.Certified content by quantitative NMR incl. uncertainty and expiry date are given on the certificate.Download your certificate at: http://www.sigma-aldrich.com.
Synonyms: 2-Methylpropionic acid
Molecular Formula: C4H8O2
Molecular Weight: 88.11
Linear Structural Formula: (CH3)2CHCO2H
MDL Number: MFCD00002658
Melting Point: -47 C (lit.)
Density: 0.95 g/mL at 25 C (lit.)
Refractive Index: n20/D 1.393 (lit.)
Storage: -20C
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