Isobutyric acid
ALDRICH/W222216 - natural, ≥99%, FCC, FG
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
12 Principles of Green Chemistry: Principle 3—Less Hazardous Chemical Syntheses. This product manufacturing process was designed with lesser toxicity to human health and the environment.
12 Principles of Green Chemistry: Principle 7—A raw material or feedstock should be renewable rather than depleting whenever technically and economically practicable.
| agency | follows IFRA guidelines |
| meets purity specifications of JECFA | |
| application(s) | flavors and fragrances |
| assay | ≥99% |
| autoignition temp. | 824 °F |
| bp | 153-154 °C (lit.) |
| density | 0.95 g/mL at 25 °C (lit.) |
| documentation | see Safety & Documentation for available documents |
| expl. lim. | 10 % |
| food allergen | no known allergens |
| fragrance allergen | no known allergens |
| grade | FG |
| Fragrance grade | |
| Kosher | |
| natural | |
| greener alternative category | Aligned  |
| greener alternative product characteristics | Less Hazardous Chemical Syntheses Use of Renewable Feedstocks Learn more about the Principles of Green Chemistry . |
| InChI | 1S/C4H8O2/c1-3(2)4(5)6/h3 |
| InChI key | KQNPFQTWMSNSAP-UHFFFAOYSA |
| mp | −47 °C (lit.) |
| organoleptic | butter; acidic; rancid |
| Quality Level | 300 |
| 400 |
|
| refractive index | n |
| reg. compliance | EU Regulation 1223/2009 |
| EU Regulation 1334/2008 & 178/2002 | |
| FCC | |
| FDA 21 CFR 117 | |
| FDA 21 CFR 172.515 | |
| SMILES string | CC(C)C(O)=O |
| sustainability | Greener Alternative Product |
| vapor density | 3.04 (vs air) |
| vapor pressure | 1.5 mmHg ( 20 °C) |
| General description: | We are committed to bringing you greener alternative products, which adhere to one or more of The 12 Principles of Greener Chemistry. This product is Biobased and thus aligns with "Less Hazardous Chemical Syntheses" and "Use of Renewable Feedstocks". |
| Other Notes: | Natural occurrence: Roman chamomile, strawberry, dairy products. |
| Packaging: | 1 kg in glass bottle |
| Packaging: | 100 g in glass bottle |
| 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 |
| Hazard Codes | C |
| Risk Statements | 10-21/22-34 |
| Safety Statements | 26-36/37/39-45 |
| 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 |
| Purity | ≥99% |
| bp | 153-154 °C (lit.) |
| mp | −47 °C (lit.) |
| Density | 0.95 g/mL at 25 °C (lit.) |
| Refractive Index | n |
| FEMA Number | 2222 |
| UNSPSC | 12164502 |