ISO-Butanol R. G. ACS Reagent Ph. Eur ≥99% DAB 1 Liter
Synonym: Isobutanol, Isobutyl alcohol
- CAS Number 78-83-1
- Linear Formula (CH3)2CHCH2OH
- Molecular Weight 74.12
- Beilstein/REAXYS Number 1730878
- EC Number 201-148-0
- MDL number MFCD00004740
- PubChem Substance ID 329754451
| Grade | ACS reagent, Reagent. Ph. Eur. |
| vapor density | 2.55 (vs air) |
| vapor pressure | 8 mmHg (20°C) 8.8 mmHg (0°C) |
| InChI Key | ZXEKIIBDNHEJCQ-UHFFFAOYSA-N |
| Grade | puriss. p.a. |
| Assay | ≥99% (GC) |
| Autoignition Temperature | 801°F |
| Expl. Lim. | 10.6 % |
| Impurities | ≤0.001% non-volatile matter ≤0.001% peroxides (as H2O2) ≤0.004% free acid (as C3H7COOH) ≤0.005% iso-butyraldehyde (GC) ≤0.005% n-butyraldehyde (GC) ≤0.02% butanone ≤0.05% 2-butanol ≤0.05% water (Karl Fischer) ≤0.1% 1-butanol |
| refractive index | n20/D 1.3950-1.3960
n20/D 1.396 (lit.) |
| bp | 108°C (lit.) |
| mp | −108°C (lit.) |
| Density | 0.803 g/mL at 25°C (lit.) |
| cation traces | Al: ≤0.5 mg/kg B: ≤0.02 mg/kg Ba: ≤0.1 mg/kg Ca: ≤0.5 mg/kg Cd: ≤0.05 mg/kg Co: ≤0.02 mg/kg Cr: ≤0.02 mg/kg Cu: ≤0.02 mg/kg Fe: ≤0.1 mg/kg Mg: ≤0.1 mg/kg Mn: ≤0.02 mg/kg Ni: ≤0.02 mg/kg Pb: ≤0.1 mg/kg Sn: ≤0.1 mg/kg Zn: ≤0.1 mg/kg |
| suitability | passes test for reaction against H2SO4 |
| SMILES string | CC(C)CO |
Safety Information
Signal word Danger
Hazard statements H226-H315-H318-H335-H336
Precautionary statements P210-P280-P304 + P340 + P312-P305 + P351 + P338 + P310-P403 + P235
RIDADR UN1212 – class 3 – PG 3 – Isobutanol
WGK Germany 1RTECS NP9625000
Flash Point(F) 82.4°F
Flash Point(C) 28°C





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