1-Butanol CAS#71-36-3
Versatile Solvent: n-Butyl alcohol is widely used as a solvent in the production of paints, varnishes, resins, pharmaceuticals, and dyes, making it essential across various industries.
Flammability: It burns with a bright, luminous flame, making it useful in applications where ignition is required.
Solubility: It is soluble in water (80g/L at 20°C), enhancing its utility in aqueous-based formulations.
Industrial Applications: n-Butyl alcohol plays a key role in manufacturing artificial leather, rubber, plastic cements, and perfumes, showcasing its broad industrial use.
n-Butyl alcohol is a colorless, flammable liquid with a strong alcoholic odor. It is highly refractive and burns with a bright, luminous flame. This compound is incompatible with strong acids, strong oxidizing agents, aluminum, acid chlorides, acid anhydrides, copper, and copper alloys. n-Butyl alcohol has a wide range of applications across various industries.
It is primarily used as a solvent in the production of paints, varnishes, synthetic resins, gums, pharmaceuticals, vegetable oils, dyes, and alkaloids. Additionally, it plays a crucial role in the manufacturing of artificial leather, rubber, plastic cements, shellac, raincoats, perfumes, and photographic films, making it an essential chemical in diverse sectors.
Parameters
Melting point | -90 °C (lit.) |
Boiling point | 116-118 °C (lit.) |
density | 0.81 g/mL at 25 °C (lit.) |
vapor density | 2.55 (vs air) |
vapor pressure | 6.7 hPa (20 °C) |
refractive index | n20/D 1.399(lit.) |
FEMA | 2178 | BUTYL ALCOHOL |
Fp | 95 °F |
storage temp. | Store at +5°C to +30°C. |
solubility | water: soluble |
pka | 15.24±0.10(Predicted) |
form | Liquid |
color | APHA: ≤10 |
PH | 7 (70g/l, H2O, 20℃) |
Odor | Alcohol-like; pungent; strong; characteristic; mildly alcoholic, non residual. |
Relative polarity | 0.586 |
Odor Threshold | 0.038ppm |
Odor Type | fermented |
biological source | synthetic |
explosive limit | 1.4-11.3%(V) |
Water Solubility | 80 g/L (20 ºC) |
λmax | λ: 215 nm Amax: 1.00 |
Sensitive | Moisture Sensitive |
Merck | 14,1540 |
JECFA Number | 85 |
BRN | 969148 |
Henry's Law Constant | 49.2 at 50 °C, 92.0 at 60 °C, 152 at 70 °C, 243 at 80 °C (headspace-GC, Hovorka et al., 2002) |
Exposure limits | TLV-TWA 300 mg/m3 (100 ppm) (NIOSH), 150 mg/m3 (50 ppm) (ACGIH); IDLH 8000 ppm (NIOSH). |
Dielectric constant | 17.1(25℃) |
Stability | Stable. Incompatible with strong acids, strong oxidizing agents, aluminium, acid chlorides, acid anhydrides, copper, copper alloys. Flammable. |
LogP | 0.88 |
Surface tension | 23.476mN/m at 298.15K |
CAS DataBase Reference | 71-36-3(CAS DataBase Reference) |
NIST Chemistry Reference | 1-Butanol(71-36-3) |
EPA Substance Registry System | 1-Butanol (71-36-3) |
Safety Information
Hazard Codes | Xn,T,F |
Risk Statements | 10-22-37/38-41-67-39/23/24/25-23/24/25-11 |
Safety Statements | 13-26-37/39-46-7/9-45-36/37-16-7 |
OEL | Ceiling: 50 ppm (150 mg/m3) [skin] |
RIDADR | UN 1120 3/PG 3 |
WGK Germany | 1 |
RTECS | EO1400000 |
Autoignition Temperature | 649 °F |
TSCA | Yes |
HS Code | 2905 13 00 |
HazardClass | 3 |
PackingGroup | III |
Hazardous Substances Data | 71-36-3(Hazardous Substances Data) |
Toxicity | LD50 orally in rats: 4.36 g/kg (Smyth) |
IDLA | 1,400 ppm |




