Trioctylamine

CAS 1116-76-3[CH3(CH2)7]3NChemical Synthesis

Trioctylamine (CAS: 1116-76-3), with the molecular formula [CH3(CH2)7]3N and a molecular weight of 353.67 g/mol, is a tertiary amine. It functions as an effective extractant, primarily utilised in the separation and purification of organic acids such as succinic acid and acetic acid. Furthermore, its chelating properties make it valuable for the extraction of precious metals in various industrial processes.

IUPAC: TOA

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Trioctylamine ([CH3(CH2)7]3N) — chemical structure, CAS 1116-76-3; Chemistry, fine chemical supplied by Tech Serve Solutions

AminesBuilding BlocksC20 to C30+Chemical SynthesisNitrogen Compounds

01 /Applications

Extraction of Organic Acids

Trioctylamine serves as a selective extractant for separating organic acids like succinic acid and acetic acid from aqueous solutions. Its lipophilic nature facilitates efficient partitioning into an organic phase.

Precious Metal Extraction

This tertiary amine is employed in hydrometallurgical processes for the recovery and purification of precious metals. It can form complexes with metal ions, enabling their selective extraction.

Chemical Synthesis Intermediate

As an organic building block, Trioctylamine can be utilised in the synthesis of more complex organic molecules and quaternary ammonium compounds.

02 /Properties

Molecular weight	353.67
Linear formula	[CH3(CH2)7]3N
Assay	98%
Boiling point	164-168 °C/0.7 mmHg(lit.)365-367 °C(lit.)
Density	0.809 g/mL at 25 °C(lit.)
Refractive index	n20/D 1.449(lit.)
Application	Trioctylamine is used as an extractant for organic acids (such as TCA, succinic acid, and acetic acid), and precious metals.

03 /Safety & handling

GHS hazard pictogram: Harmful / irritant (GHS07) — Harmful / irritant

Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust, fume, gas or vapours
P305IF IN EYES

Protective equipment	Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
Flash point	163 °C / 325.4 °F
Water hazard class (WGK, DE)	2
Hazard codes (EU)	Xi
Risk statements (R)	36/37/38
Safety statements (S)	26

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry

CAS number

1116-76-3

MDL number

MFCD00009560

PubChem substance

24900500

Beilstein registry

1210618

05 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

06 /Frequently asked questions

What is Trioctylamine used for?

Trioctylamine is primarily used as an extractant for organic acids (such as TCA, succinic acid, and acetic acid) and for the extraction of precious metals.

What are the CAS number and formula for Trioctylamine?

The CAS number for Trioctylamine is 1116-76-3, and its linear formula is [CH3(CH2)7]3N.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies Trioctylamine with an assay of 98%. We do not represent this product as USP, BP, EP, or pharmacopoeia grade.

What are the safety considerations when handling Trioctylamine?

Trioctylamine is classified with GHS07 symbol and a 'Warning' signal word, carrying hazard statements H315 (Causes skin irritation), H319 (Causes serious eye irritation), and H335 (May cause respiratory irritation). Appropriate personal protective equipment, including eyeshields and gloves, is essential. Respiratory protection with an ABEK filter is recommended.