Product Details
maleic-anhydride.html">material/hexane-0.html">Hexane is a highly flammable, colorless, volatile liquid with a gasoline‑like smell. Its water odor threshold is 0.0064 mg/L and air odor threshold is 230–875 mg/m³. Molecular weight: 86.20; specific gravity (H₂O=1): 0.66; boiling point: 68.9℃; melting point: −139.49℃; vapor density relative to air (air=1): 3.0; vapor pressure: 124 mmHg at 20℃; flash point: −21.6℃ (closed cup); autoignition temperature: 225℃. Explosive range: lower explosive limit (LEL) 1.1%, upper explosive limit (UEL) 7.5%. NFPA‑704M hazard rating: Health 1, Flammability 3, Reactivity 0. It is nearly insoluble in water, with solubility about 0.002%.
Parameters
| Property | Value |
| Melting point | -95 °C |
| Boiling point | 68.95 °C(lit.) |
| density | 0.659 g/mL at 25 °C(lit.) |
| vapor density | 3.5 (vs air) |
| vapor pressure | 40 mm Hg ( 20 °C) |
| refractive index | n20/D 1.388 |
| Fp | 30 °F |
| storage temp. | Store at +5°C to +30°C. |
| solubility | Very soluble in ethanol, ethyl ether and chloroform. |
| pka | >14 (Schwarzenbach et al., 1993) |
| form | Liquid |
| color | Colorless |
| Specific Gravity | 0.660 (20/4℃) |
| PH | 7 |
| Relative polarity | 0.009 |
| Odor | Mild gasoline-like odor detectable at 65 to 248 ppm |
| Odor Threshold | 1.5ppm |
| explosive limit | 1.0-8.1%(V) |
| Water Solubility | insoluble |
| λmax | λ: 200 nm Amax: ≤0.70 λ: 225 nm Amax: ≤0.10 λ: 250 nm Amax: ≤0.01 |
| Merck | 14,4694 |
| BRN | 1730733 |
| Henry's Law Constant | 0.238, 0.413, 0.883, 0.768, and 1.56 at 10, 15, 20, 25, and 30 °C, respectively (EPICS, Ashworth et al., 1988) |
| Dielectric constant | 2.0（-90℃） |
| Exposure limits | TLV-TWA 50 ppm (～175 mg/m3) (ACGIH), 500 ppm (～1750 mg/m3) (OSHA); IDLH 5000 ppm (NIOSH). |
| Stability: | Stable. Incompatible with oxidizing agents, chlorine, fluorine, magnesium perchlorate. Highly flammable. Readily forms explosive mixtures with air. Note low flash point. |
| InChIKey | VLKZOEOYAKHREP-UHFFFAOYSA-N |
| LogP | 4 at 20℃ and pH7 |
| Surface tension | 18.52mN/m at 293.15K |
| CAS DataBase Reference | 110-54-3(CAS DataBase Reference) |
| NIST Chemistry Reference | Hexane(110-54-3) |
| EPA Substance Registry System | Hexane (110-54-3) |
Safety Information
| Item | Details |
| Hazard Codes | F,Xn,N |
| Risk Statements | 11-38-50/53-65-67-62-51/53-48/20-36/37/38 |
| Safety Statements | 9-16-29-33-60-61-62-36/37-45-36/37/39-53-26 |
| RIDADR | UN 3295 3/PG 2 |
| OEB | A |
| OEL | TWA: 50 ppm (180 mg/m3) |
| WGK Germany | 3 |
| RTECS | MN9275000 |
| F | 3-10 |
| Autoignition Temperature | 225 °C |
| TSCA | Yes |
| HazardClass | 3 |
| PackingGroup | II |
| HS Code | 29011000 |
| Hazardous Substances Data | 110-54-3(Hazardous Substances Data) |
| Toxicity | LC50 (4 hr) in mice by inhalation: 48000 ppm; LD50 orally in rats: 32.0 g/kg (Couri, Milks) |
| IDLA | 1,100 ppm [10% LEL] |
Product Application of Hexane CAS#110-54-3
Used for measuring the refractive index of minerals; as a thermometer filling fluid to replace mercury (often dyed blue or red); and as an extraction solvent in oilseed processing.
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