n-Hexane , forGC,≥99.0%(GC) , 110-54-3
Synonym(s):
Hexane;Hexanes;Hexane in dimethyl sulfoxide;Hexane solution;n-Hexane
CAS NO.：110-54-3
Empirical Formula: C6H14
Molecular Weight: 86.18
MDL number: MFCD00009520
EINECS: 203-777-6
PRODUCT Properties
| 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 | n |
| Flash point: | 30 °F |
| storage temp. | Store at +5°C to +30°C. |
| solubility | Very soluble in ethanol, ethyl ether and chloroform. |
| form | Liquid |
| pka | >14 (Schwarzenbach et al., 1993) |
| Specific Gravity | 0.660 (20/4℃) |
| color | Colorless |
| Relative polarity | 0.009 |
| Odor | Mild gasoline-like odor detectable at 65 to 248 ppm |
| explosive limit | 1.0-8.1%(V) |
| Odor Threshold | 1.5ppm |
| 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) |
| Exposure limits | TLV-TWA 50 ppm (～175 mg/m3) (ACGIH),
500 ppm (～1750 mg/m3) (OSHA); IDLH
5000 ppm (NIOSH). |
| Dielectric constant | 2.0（-90℃） |
| 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 |
Description and Uses
Hexane is a highly flammable, colorless, volatileliquid with a gasoline-like odor. The water/odor threshold is0.0064 mg/L and the air/odor threshold is 230- 875 mg/m'Molecular weight= 86.20; Specific gravity (H2O:1)= 0.66; .Boiling point = 68.9℃; FreezingMelting point= -139.49C; .Relative vapordensity (air= 1)= 3.0; V aporpressure = 124 mmHg at 20℃; Flash point=一21.6℃ (cc);Autoignition temperature = 225℃.Explosivelimits: .LEL= 1.1%， UEL= 7.5%. Hazard Identification (basedon NFPA-704 M Rating System): Health 1, Flammability3,Reactivity 0.Practically insolubleinwater;solubility = 0.002%. .
n-Hexane is a chief constituent of petroleumether, gasoline, and rubber solvent. It is usedas a solvent for adhesives, vegetable oils,and in organic analysis, and for denaturingalcohol.
Safety
| Symbol(GHS) |     GHS02,GHS07,GHS08,GHS09 |
| Signal word | Danger |
| Hazard statements | H225-H304-H315-H336-H361f-H373-H411 |
| Precautionary statements | P201-P210-P273-P301+P310-P303+P361+P353-P331 |
| 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 |
| OEB | A |
| OEL | TWA: 50 ppm (180 mg/m3) |
| RIDADR | UN 3295 3/PG 2 |
| WGK Germany | 3 |
| RTECS | MN9275000 |
| F | 3-10 |
| Autoignition Temperature | 225 °C |
| TSCA | Yes |
| HazardClass | 3 |
| PackingGroup | II |
| HS Code | 29011000 |
| 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] |
