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Triethanolamine (TEA)

TEA
CAS 102-71-6 · Formula C6H15NO3 · MW 149.19 g/mol

A versatile amino-alcohol for neutralizing, emulsifying, and corrosion-inhibiting formulations. It is used to make surfactants and emulsifiers, as a pH adjuster and neutralizer, a corrosion inhibitor in metalworking and cutting fluids, and an intermediate for cement additives, waxes, polishes, and petroleum demulsifiers.

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HS Code
2922.15
At a Glance
Material Family
Amines & Amides
Record Type
Pure compound
Primary Role
Cleaning / Degreasing · Surfactancy
Functional Roles
Cleaning / Degreasing Surfactancy pH Adjustment Corrosion Inhibition
INCI Name
TRIETHANOLAMINE
CosIng Functions
BUFFERINGFRAGRANCESURFACTANT - CLEANSINGSURFACTANT - EMULSIFYING
Industries Served
Beauty & Personal Care Coatings & Construction HI&I Cleaning Industrial Manufacturing Oil & Gas Water Treatment
Applications & Use Cases
  • ▸ Surfactants: Intermediate for surface-active agents and emulsifiers
  • ▸ Metalworking fluids: Corrosion inhibitor and alkalinity source in cutting/metalworking fluids
  • ▸ pH control: Neutralizer and buffering agent in formulated products
  • ▸ Industrial intermediate: Feedstock for cement additives, waxes, and demulsifiers
Physical Properties
Melting Point
22 °C
Boiling Point
335 °C at 760 mmHg (Decomposes)
Density
1.13 at 20 °C
Solubility
≥ 100 mg/mL at 22 °C
Vapor Pressure
< 0.01 mmHg at 20 °C; 10 mmHg at 205 °C
Flash Point
185 °C
pH
pH = 10.5 (0.1 N aqueous solution); strong base
Safety & Handling
Full SDS available on request

A grade-specific Safety Data Sheet (SDS) — with the complete hazard classification, handling precautions, and transport information — is supplied with every shipment and available on request. Confirm all safety and regulatory details against the SDS for your specific grade.

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HS / Tariff Classification
Harmonized System (HS) Code — 6-digit international heading
2922 . 15
Chapter 29
Organic chemicals
Heading 29.22
Internationally harmonized (WCO HS)
Subheading 2922.15
6-digit international code — national tariff line adds further digits
Chemical Identity
CAS Number
102-71-6
Molecular Formula
C6H15NO3
Molecular Weight
149.19 g/mol
IUPAC Name
2-[bis(2-hydroxyethyl)amino]ethanol
INCI Name
TRIETHANOLAMINE
PubChem CID
7618
InChI Key
GSEJCLTVZPLZKY-UHFFFAOYSA-N
Synonyms & Trade Names
TRIETHANOLAMINE Trolamine 2,2',2''-Nitrilotriethanol Sterolamide Daltogen Tris(2-hydroxyethyl)amine Nitrilotriethanol Triethylolamine Trihydroxytriethylamine Thiofaco T-35 Sting-Kill Triethanolamin Tri(hydroxyethyl)amine Teoa Tris(beta-hydroxyethyl)amine Nitrilo-2,2',2''-triethanol Ethanol, 2,2',2''-nitrilotris- TEA (amino alcohol) 2-[bis(2-hydroxyethyl)amino]ethanol
Full Description

Triethanolamine (CAS 102-71-6, C6H15NO3) is a trifunctional amino-alcohol and weak base. It is used to make surfactants and emulsifiers, as a pH adjuster and neutralizer, a corrosion inhibitor in metalworking and cutting fluids, and an intermediate for cement additives, waxes, polishes, and petroleum demulsifiers.

Frequently Asked Questions

What is triethanolamine used for?

Triethanolamine (TEA, CAS 102-71-6, C6H15NO3) is a trifunctional amino-alcohol and weak base. It is used to make surfactants and emulsifiers, as a pH adjuster and neutralizer, as a corrosion inhibitor in metalworking and cutting fluids, and as an intermediate for cement additives, waxes, polishes, and petroleum demulsifiers.

Is triethanolamine the same as triethylamine?

No. Triethanolamine (C6H15NO3, CAS 102-71-6) is an amino-alcohol with three hydroxyl groups, while triethylamine (C6H15N, CAS 121-44-8) is a tertiary amine with no hydroxyl groups. They differ in structure, CAS number, and use despite the similar names.

Is triethanolamine an acid or a base?

Triethanolamine is a weak base. This is why it is widely used as a neutralizer, pH adjuster, and alkalinity source in formulated products and metalworking fluids.

What is the HS code and formula for triethanolamine?

Triethanolamine has formula C6H15NO3 and CAS 102-71-6. It is classified under HS code 2922.15, the dedicated heading for triethanolamine.

How do I get a bulk quote for triethanolamine?

RawSource supplies triethanolamine in drums, totes, and IBCs for industrial and formulation use. We do not publish fixed prices; request a quote for your volume and grade, and we will include the SDS and CoA.

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Disclaimer. Information on this page — including properties, identifiers, hazard, transport (DOT/UN) and tariff (HS) classifications, and applications — is provided for general reference and is compiled from authoritative public sources (e.g. PubChem/ECHA, 49 CFR 172.101, the Harmonized Tariff Schedule). Values are typical and are not a guaranteed specification; the Certificate of Analysis (CoA) for the lot purchased governs. Products are sold for industrial and professional use only. Nothing here is a medical, health, or efficacy claim or advice. Always consult the current Safety Data Sheet (SDS) before handling, storage, transport or disposal, and confirm regulatory status, classification and suitability for your application and jurisdiction. Hazard, transport and tariff classifications must be verified for your specific shipment. RawSource makes no warranty, express or implied, and assumes no liability for use of this information. Trademarks. Third-party trademarks and brand names are the property of their respective owners; any reference is nominative — used only to identify a comparable product — and does not imply affiliation with, sponsorship by, or endorsement by the trademark owner.
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