1-Hexene [Standard Material for GC]
1-Hexene
CAS: 592-41-6
Molecular Formula: C6H12
1-Hexene [Standard Material for GC] - Names and Identifiers
| Name | 1-Hexene |
| Synonyms | 1-Hexene N-HEXENE Hexane-1-ene 1-Hexene [Standard Material] 1-Hexene [Standard Material for GC] |
| CAS | 592-41-6 |
| EINECS | 209-753-1 |
| InChI | InChI=1/C6H12/c1-3-5-6-4-2/h3H,1,4-6H2,2H3 |
| InChIKey | LIKMAJRDDDTEIG-UHFFFAOYSA-N |
1-Hexene [Standard Material for GC] - Physico-chemical Properties
| Molecular Formula | C6H12 |
| Molar Mass | 84.16 |
| Density | 0.678 g/mL at 25 °C (lit.) |
| Melting Point | -140 °C |
| Boling Point | 60-66 °C (lit.) |
| Flash Point | −19°F |
| Water Solubility | 0.005 g/100 mL |
| Solubility | Soluble in alcohol, benzene, chloroform, ether, petroleum (Weast, 1986), and many otherhydrocarbons including alkenes amd alkanes. |
| Vapor Presure | 155 mm Hg ( 21.1 °C) |
| Vapor Density | 3 (vs air) |
| Appearance | Liquid |
| Specific Gravity | 0.673 |
| Color | Clear colorless |
| Odor | Mild, pleasant. |
| Exposure Limit | ACGIH TLV: TWA 30 ppm (adopted). |
| BRN | 1209240 |
| pKa | >14 (Schwarzenbach et al., 1993) |
| Storage Condition | Refrigerator |
| Stability | Stable. Highly flammable - note low flash point. Incompatible with strong oxidizing agents, strong acids, combustible material. |
| Refractive Index | n20/D 1.388(lit.) |
| Physical and Chemical Properties | Colorless liquid. Freezing point -139-140 ℃, boiling point 63.5 ℃, relative density 0.6731(20/4 ℃), refractive index 1.3837(20 ℃), flash point -26 ℃. Soluble in alcohol, ether, benzene, petroleum ether, chloroform, insoluble in water. |
1-Hexene [Standard Material for GC] - Risk and Safety
| Risk Codes | R11 - Highly Flammable R65 - Harmful: May cause lung damage if swallowed R67 - Vapors may cause drowsiness and dizziness R51/53 - Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. |
| Safety Description | S9 - Keep container in a well-ventilated place. S16 - Keep away from sources of ignition. S23 - Do not breathe vapour. S29 - Do not empty into drains. S62 - If swallowed, do not induce vomitting; seek medical advice immediately and show this container or label. S57 - Use appropriate container to avoid environmental contamination. S33 - Take precautionary measures against static discharges. S22 - Do not breathe dust. |
| UN IDs | UN 2370 3/PG 2 |
| WGK Germany | 1 |
| RTECS | MP6670000 |
| TSCA | Yes |
| HS Code | 29012980 |
| Hazard Class | 3 |
| Packing Group | II |
1-Hexene [Standard Material for GC] - Reference Information
| olfactory threshold (Odor Threshold) | 0.14ppm |
| Henry's Law Constant | (atm?m3/mol):0.435 at 25 °C (Hine and Mookerjee, 1975) |
| LogP | 3.87 at 20℃ |
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| use | used in the synthesis of resins, fragrances and dyes. Gas chromatography contrast samples. It is used as a comonomer of polyethylene, as well as a raw material for the manufacture of dyes, detergents, pharmaceuticals and pesticides, and as an oil additive and high-octane fuel It is used to make fragrances, dyes and synthetic resins |
| production method | 1mol of hexamine is suspended in 9mol of 25% sodium hydroxide aqueous solution, 4mol of dimethyl sulfate is added in multiple batches, shaken under cooling, quaternary ammonium salt is separated into viscous oil, then oily quaternary ammonium salt is dissolved in 1.5mol of 20% dilute sulfuric acid, refluxed for 2 hours, cooled, slightly excess barium hydroxide solution is added, barium sulfate precipitate is filtered out, the filtrate is compressed at 50 ℃, 4mol 50% potassium hydroxide is added for distillation, the distillate is divided into water layer, the oil layer is washed with dilute sulfuric acid to remove amine, then washed with water, dried and then distilled to obtain hexene, and the yield is 66%. |
| auto-ignition temperature | 487 °F |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-09 21:11:58
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