2-Ethyl-1,3-hexanediol CAS 94-96-2, 2-Ethyl-1,3-hexanediol, CAS 94-96-2
Molecular formula: C₈H₁₈O₂, molecular weight: 146.23, an aliphatic diol containing two hydroxyl groups.
94-96-2
C8H18O2
146.23
202-377-9
| CAS | 94-96-2 |
| Molecular formula | C8H18O2 |
| Molecular weight | 146.23 |
| EIENCS | 202-377-9 |
| Form | Liquid |
| Melting point | Minus 40°C |
| boling point | 241-249°C |
| Density | 0.933 g/mL at 25°C |
| Solubility | Slightly soluble in water (4.2g /L, 20°C), readily soluble in ethanol and ether |
| PKA | / |
| Color | Clear |
| Storage temp | / |
Molecules and Structures
Molecular formula: C₈H₁₈O₂, molecular weight: 146.23, an aliphatic diol containing two hydroxyl groups.
Structural features: It contains asymmetric carbon atoms and has optical isomers. Its chemical properties possess the typical reactivity of diols (such as esterification and polycondensation).
Physical properties
Appearance: Colorless, odorless, viscous liquid with hygroscopicity.
Key parameters
Density: 0.940-0.942 g/cm³ (20°C)
Melting point: < -40°C, boiling point: 243-244°C (at normal pressure)
Flash point: 126.7-129°C (open cup), vapor pressure: <0.0013 kPa (20°C)
Solubility: Slightly soluble in water (4.2g /L, 20°C), readily soluble in ethanol and ether.
Stability: Stable under normal temperature and pressure, but it may decompose when exposed to strong oxidants, strong acids or high temperatures, releasing carbon monoxide/carbon dioxide.
Industrial synthetic raw materials
Polymer production: Used for synthesizing polyester resins, polyurethane resins and plasticizers, enhancing the flexibility and durability of materials.
Solvents and carriers: As a color carrier and high-boiling-point solvent for inks and coatings, it replaces traditional toxic solvents (such as benzene).
Functional chemicals
Insect repellent: Highly effective in repelling mosquitoes and flies (trade name: "Mosquito repellent alcohol"), used in daily chemical products such as mosquito repellent sprays and lotions.
Cosmetic additives: They are used as moisturizers and solvents in skin care products to enhance the stability of the formula.
Pharmaceuticals and boric acid complexing agents: Used as catalysts for drug synthesis and boric acid complexation reactions.
Toxicity and Hazards
Acute toxicity: The oral LD₅₀ in rats was 1400 mg/kg, and that in rabbits was 2000 mg/kg, which belongs to the low-toxicity category.
Irritation: Contact with 20 mg in rabbit eyes can cause severe irritation, while contact with 500 mg on the skin can cause mild irritation.
Environmental risk: It poses a slight hazard to water bodies and leakage into water sources must be prevented.
Safety protection measures
Operating requirements: In a sealed and well-ventilated environment, wear a gas mask, chemical goggles and rubber gloves.
Storage conditions: Cool and well-ventilated (≤30°C), away from fire sources/oxidants, light-proof and sealed. It is recommended to store in iron or aluminum containers.
Leakage treatment: For small leaks, use sand and soil to adsorb them. For large leaks, build embankments to collect them and transfer them to professional waste disposal sites.
Fire extinguishing and Emergency response
Applicable fire extinguishing agents: foam, carbon dioxide, dry powder, sand and soil; Do not use strong water flow (it may spread the fire).
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