Product Name: 2‑Ethylhexylamine
Synonyms: Isooctylamine, 1‑Amino‑2‑ethylhexane, 2‑Ethyl‑1‑hexanamine
CAS No.: 104‑75‑6EC Number: 203‑233‑8
Molecular Formula: C8H19N
Molecular Weight: 129.24 g/mol
UN‑No: UN 2276, Hazard Class 8 (Corrosive), Packing Group II
HS‑Code: 29211990
1. Physical‑Chemical Properties
Melting Point −76 ℃
Boiling Point 168‑170 ℃ @760 mmHg
Flash Point (closed cup) 52‑53 ℃Solubility in water ~2.5 g/L @20 ℃ (slightly soluble)
Solubility Miscible with ethanol, ether, ketones, hydrocarbons
Stability Sensitive to air; absorbs CO₂ from air to form carbonate salt; avoid strong oxidants, strong acids
Odour Characteristic pungent amine odour
2. Typical Specifications (Industrial Grade)
| Item | Specification | Test Condition |
|---|---|---|
| Appearance | Colorless clear oily liquid | Visual @25 ℃ |
| Colour (APHA) | ≤30 | Colorimeter |
| Purity (2‑Ethylhexylamine) | ≥99.0 % | GC‑FID |
| Water Content | ≤0.30 % | Karl‑Fischer |
| Total Amine Value | 428‑435 mg KOH/g | Titration |
| Refractive Index nD20 | 1.429‑1.432 | 20 ℃ |
| Density | 0.787‑0.791 g/cm³ | 20 ℃ |
3. Key Properties
Branched‑chain primary aliphatic amine; oil‑soluble, weak water‑solubility.
Reacts with acids to form salts; reacts with epoxides, halides to produce surfactants, corrosion inhibitors.Readily absorbs carbon dioxide from atmosphere.
4. Main Applications
Corrosion inhibitor: Petroleum industry, boiler & cooling‑water corrosion inhibitor intermediate
Surfactant intermediate, emulsifier, biocide raw‑material
Pesticide & crop‑protection intermediates; dye & pigment synthesisBASF
Fuel additive, fuel marker synthesis; lubricant additive raw‑materialBASF
Metal‑extraction reagent for hydrometallurgy
5. Storage & Shelf‑Life
Storage: Hermetically sealed steel drum, cool dry ventilated warehouse, 5‑30 ℃. Keep tightly sealed to prevent air /
CO₂ ingress. Isolate from acids, oxidizing agents.
Shelf‑life: 12 months under un‑opened original package.Standard export packing: 160 kg steel drum; 800‑1000 L IBC tote tankBASF.
6. Handling & Safety Notes
Corrosive liquid; causes severe skin, eye and respiratory burns.
Vapour irritates mucous membrane. Wear chemical goggles, alkali‑resistant gloves, respirator for amine vapour.
In case of contact: rinse skin/eyes with large‑volume running water ≥15 min; seek medical aid.
Do not expose to open air for long‑term storage.
Refer to full SDS for GHS hazard statements, transport classification and waste disposal information.Disclaimer: All figures are typical laboratory reference values only, not contractual specification. End‑user shall verify suitability for own process.
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