SoleChem

tert-butyldiethanolamine

CAS
2160-93-2
EC
218-480-7
Mol. Weight
161.24 g/mol

Description

Tert-butyldiethanolamine (CAS 2160-93-2) is a tertiary amine-diol used across industrial formulations for pH regulation, corrosion inhibition, and as a reactive or functional solvent.

Its combination of amine and hydroxyl functionality makes it a practical building block and performance additive in specialty chemical systems. In metalworking fluids and lubricants, it functions as a corrosion inhibitor.

It acts as a pH buffer, helping to extend fluid service life and protect ferrous and non-ferrous metal surfaces. Coatings formulators incorporate it as a neutralizing agent for acid-functional resins.

This improves dispersion stability in waterborne systems. Water treatment formulations use it to maintain alkalinity control and inhibit metal corrosion in recirculating and process water circuits.

In adhesives, sealants, and elastomer systems, it acts as a reactive component or cure modifier where controlled basicity is required. This versatility makes it essential for high-performance industrial applications.

Tert-butyldiethanolamine is supplied as a liquid at ambient conditions. Technical grade is the standard commercial offering, with purity levels typically at 98% or higher depending on supplier specification.

Packaging ranges from drums to intermediate bulk containers (IBCs) for industrial procurement volumes. This ensures safe handling and efficient logistics for large-scale manufacturing and chemical processing.

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Physical Properties

Melting Point 189 °C
Boiling Point 136-139 °C @ Press: 12 Torr
Density 0.983 g/mL at 25 °C(lit.)
Flash Point >230 °F
Color White to Yellow to Orange
Form Solid
Water Solubility Completely soluble in water
Vapor Pressure 0.2-0.36Pa at 20-25℃
Refractive Index n 20/D 1.4666(lit.)
Log P -1.6-0.1 at 20℃ and pH7-11

Safety & Handling (Learn More)

Danger GHS05
Hazard Statements
H314 Causes severe skin burns and eye damage
H318 Causes serious eye damage
Precautionary Statements
P260 Do not breathe dust/fume/gas/mist/vapours/spray.
P264 Wash … thoroughly after handling.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P316 Get emergency medical help immediately.
P317 Get emergency medical help.
P321 Specific treatment (see … on this label).
P363 Wash contaminated clothing before reuse.
P405 Store locked up.
P501 Dispose of contents/container in accordance with local regulations.
P264+P265 Wash … thoroughly after handling.
P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing.
P301+P330+P331 Rinse mouth. Do NOT induce vomiting.
P302+P361+P354 IF ON SKIN: Take off immediately all contaminated clothing. Rinse skin with water/shower.
P305+P354+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

Trade & Regulatory

HS Code 2922.19.9690
UN Number 3259
ADR Class 8
Packing Group III
Storage Class 8A - Combustible corrosive hazardous materials
WGK (Germany) 2

Documentation

Other Names

VUZ7LWS39G|Ethanol, 2,2'-[(1,1-dimethylethyl)imino]bis-|RefChem:896553|Ethanol, 2,2′-(tert-butylimino)di-|2,2′-[(1,1-Dimethylethyl)imino]bis[ethanol]|3-tert-Butyl-3-aza-1,5-pentanediol

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