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78-83-1
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78-83-1
| Product Name: | 2-Methyl-1-propanol |
| CAS: | 78-83-1 |
| MF: | C4H10O |
| MW: | 74.12 |
| EINECS: | 201-148-0 |
| Mol File: | 78-83-1.mol |
| 2-Methyl-1-propanol Chemical Properties | |
| Melting point | -108 °C (lit.) |
| Boiling point | 108 °C (lit.) 108 °C |
| density | 0.803 g/mL at 25 °C (lit.) |
| vapor density | 2.55 (vs air) |
| vapor pressure | 8 mm Hg ( 20 °C) |
| refractive index | n20/D 1.396(lit.) |
| FEMA | 2179 | ISOBUTYL ALCOHOL |
| Fp | 82 °F |
| storage temp. | Store at +5°C to +30°C. |
| solubility | water: miscible70g/L at 20°C |
| form | Solid |
| pka | >14 (Schwarzenbach et al., 1993) |
| color | APHA: ≤10 |
| Relative polarity | 0.552 |
| PH | 7 (80g/l, H2O, 20℃) |
| Odor | Slightly suffocating; nonresidual alcoholi |
| Odor Threshold | 0.011ppm |
| Odor Type | ethereal |
| explosive limit | 1.5-12%(V) |
| Water Solubility | 95 g/L (20 ºC) |
| λmax | λ: 260 nm Amax: 0.10 |
| λ: 280 nm Amax: 0.06 | |
| JECFA Number | 251 |
| Merck | 145,131 |
| BRN | 1730878 |
| Henry's Law Constant | 20.0 at 30.00 °C, 72.2 at 50.00 °C, 133 at 60.00 °C, 216 at 70.00 °C, 330 at 80.00 °C (headspace- GC, Hovorka et al., 2002) |
| Exposure limits | TWA 300 mg/m3 (100 ppm) NIOSH, 150 mg/m3 (50 ppm) (ACGIH); IDLH 8000 ppm. |
| Stability: | Stable. Flammable. Incompatible with strong oxidizing agents, aluminium. |
| InChIKey | ZXEKIIBDNHEJCQ-UHFFFAOYSA-N |
| LogP | 1 at 25℃ |
| CAS DataBase Reference | 78-83-1(CAS DataBase Reference) |
| NIST Chemistry Reference | 1-Propanol, 2-methyl-(78-83-1) |
| EPA Substance Registry System | Isobutanol (78-83-1) |
Item | Index | Results |
Assay ≥ | 99% | 99.53% |
Chroma ≤ | 20 | 10 |
Moisture ≤ | 0.3 | 0.029 |
Density(g/m3) | 0.801-0.803 | 0.803 |
Acidity ≤ | 0.005 | 0.0008 |
Dry residue after evaporation ≤ | 0.008 | 0.003 |
| Product Name: | 2-Methyl-1-propanol |
| CAS: | 78-83-1 |
| MF: | C4H10O |
| MW: | 74.12 |
| EINECS: | 201-148-0 |
| Mol File: | 78-83-1.mol |
| 2-Methyl-1-propanol Chemical Properties | |
| Melting point | -108 °C (lit.) |
| Boiling point | 108 °C (lit.) 108 °C |
| density | 0.803 g/mL at 25 °C (lit.) |
| vapor density | 2.55 (vs air) |
| vapor pressure | 8 mm Hg ( 20 °C) |
| refractive index | n20/D 1.396(lit.) |
| FEMA | 2179 | ISOBUTYL ALCOHOL |
| Fp | 82 °F |
| storage temp. | Store at +5°C to +30°C. |
| solubility | water: miscible70g/L at 20°C |
| form | Solid |
| pka | >14 (Schwarzenbach et al., 1993) |
| color | APHA: ≤10 |
| Relative polarity | 0.552 |
| PH | 7 (80g/l, H2O, 20℃) |
| Odor | Slightly suffocating; nonresidual alcoholi |
| Odor Threshold | 0.011ppm |
| Odor Type | ethereal |
| explosive limit | 1.5-12%(V) |
| Water Solubility | 95 g/L (20 ºC) |
| λmax | λ: 260 nm Amax: 0.10 |
| λ: 280 nm Amax: 0.06 | |
| JECFA Number | 251 |
| Merck | 145,131 |
| BRN | 1730878 |
| Henry's Law Constant | 20.0 at 30.00 °C, 72.2 at 50.00 °C, 133 at 60.00 °C, 216 at 70.00 °C, 330 at 80.00 °C (headspace- GC, Hovorka et al., 2002) |
| Exposure limits | TWA 300 mg/m3 (100 ppm) NIOSH, 150 mg/m3 (50 ppm) (ACGIH); IDLH 8000 ppm. |
| Stability: | Stable. Flammable. Incompatible with strong oxidizing agents, aluminium. |
| InChIKey | ZXEKIIBDNHEJCQ-UHFFFAOYSA-N |
| LogP | 1 at 25℃ |
| CAS DataBase Reference | 78-83-1(CAS DataBase Reference) |
| NIST Chemistry Reference | 1-Propanol, 2-methyl-(78-83-1) |
| EPA Substance Registry System | Isobutanol (78-83-1) |
Item | Index | Results |
Assay ≥ | 99% | 99.53% |
Chroma ≤ | 20 | 10 |
Moisture ≤ | 0.3 | 0.029 |
Density(g/m3) | 0.801-0.803 | 0.803 |
Acidity ≤ | 0.005 | 0.0008 |
Dry residue after evaporation ≤ | 0.008 | 0.003 |
