W222208
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W222208
Aldrich
Isobutyric acid
≥99%, FCC, Kosher
| Synonym: | 2-Methylpropionic acid |
| CAS Number: | 79-31-2 |
| Linear Formula: | (CH3)2CHCO2H |
| Molecular Weight: | 88.11 |
| FEMA Number: | 2222 |
| Beilstein Registry Number: | 635770 |
| EC Number: | 201-195-7 |
| Council of Europe no.: | 6 |
| MDL number: | MFCD00002658 |
| PubChem Substance ID: | 24900936 |
| Flavis number: | 8.006 |
Description
| Biochem/physiol Actions | Odor at 10 ppm |
| Taste at 15 ppm | |
| Other Notes | Natural occurrence: Roman chamomile, strawberry, dairy products. |
| Packaging | 5kg, 10kg packaged in closed-head steel drums; sample, 1kg packaged in glass bottles |
| F&F Certificates | EU Natural Certificate |
| HALAL Statement | |
| US Natural Certificate | |
| Continuing Guarantee Statement | |
| GMO Statement | |
| Allergen Statement |
Properties
| grade | FCC |
| Kosher | |
| NI | |
| vapor density | 3.04 (vs air) |
| vapor pressure | 1.5 mmHg ( 20 °C) |
| assay | ≥99% |
| autoignition temp. | 824 °F |
| expl. lim. | 10 % |
| refractive index | n |
| bp | 153-154 °C(lit.) |
| mp | −47 °C(lit.) |
| density | 0.95 g/mL at 25 °C(lit.) |
| Organoleptic | butter; strawberry |
Safety
References
| reference | Mosciano, G. P & F 2nd ed., 24, 51, (1999) |
| Merck | Merck 13,5172 |
| Beilstein | Beil. 2,IV,843 |
| Aldrich MSDS 1, 1112:A / Arctander, 550 / Corp MSDS 1 (1), 2021:C / FT-IR 1 (1), 487:C / FT-IR 2 (1), 763:B / FT-NMR 1 (1), 759:B / Fenaroli, 399 / IR-Spectra (3), 287:B / IR-Spectra (2), 258:G / NMR-Reference 2 (1), 424:D / RegBook 50 (1), 537:J / RegBook 1 (1), 537:J / Sax 6, 1638 / Sigma FT-IR 1 (2), 665:C / Structure Index 1, 76:C:1 / Vapor Phase 3, 577:D |
