Isobutyric acid
SIAL/96499 - certified reference material, TraceCERT®
Synonym: 2-Methylpropionic acid
CAS Number: 79-31-2
Empirical Formula (Hill Notation): C4H8O2
Molecular Weight: 88.11
EC Number: 201-195-7
MDL Number: MFCD00002658
Linear Formula: (CH3)2CHCO2H
Product Type: Chemical
application(s) | cleaning products cosmetics food and beverages personal care |
autoignition temp. | 824 °F |
bp | 153-154 °C (lit.) |
density | 0.95 g/mL at 25 °C (lit.) |
expl. lim. | 10 % |
format | neat |
grade | TraceCERT® |
certified reference material | |
InChI | 1S/C4H8O2/c1-3(2)4(5)6/h3 |
InChI key | KQNPFQTWMSNSAP-UHFFFAOYSA |
mp | −47 °C (lit.) |
Quality Level | 300 |
refractive index | n |
shelf life | limited shelf life, expiry date on the label |
SMILES string | CC(C)C(O)=O |
storage condition | under inert gas |
storage temp. | −20°C |
technique(s) | gas chromatography (GC): suitable |
vapor density | 3.04 (vs air) |
vapor pressure | 1.5 mmHg ( 20 °C) |
General description: | 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. |
Legal Information: | TraceCERT is a registered trademark of Sigma-Aldrich Co. LLC |
Symbol | GHS02,GHS05,GHS06 |
Signal word | Danger |
Hazard statements | H226 - H302 - H311 - H314 |
Precautionary statements | P210 - P233 - P280 - P301 + P312 - P303 + P361 + P353 - P305 + P351 + P338 |
RIDADR | UN 2529 8(3) / PGIII |
WGK Germany | WGK 1 |
Flash Point(F) | 131.0 °F - closed cup |
Flash Point(C) | 55 °C - closed cup |
bp | 153-154 °C (lit.) |
mp | −47 °C (lit.) |
Density | 0.95 g/mL at 25 °C (lit.) |
Refractive Index | n |
Storage Temp. | −20°C |
UNSPSC | 12352200 |