Diethanolisopropanolamine
CAS 6712-98-7
EC 229-764-5
Formula C7H17NO3
MW 163.21 g/mol
Amines Lubricants & MetalworkingCoatings, Adhesives, Sealants & ElastomersWater TreatmentPersonal Care & Cosmetics Corrosion InhibitionpH Regulation & BufferingChelation & SequestrationEmulsification & Dispersion
Description
Diethanolisopropanolamine (DEIPA, CAS 6712-98-7) is a tertiary alkanolamine combining two ethanol groups and one isopropanol group on a nitrogen centre. Also referenced as NSC 30493, it carries no assigned E-code and is classified under EC 229-764-5. It is commercially available as a technical-grade liquid.
In cement grinding aids and concrete admixtures, DEIPA accelerates clinker particle dispersion by adsorbing onto mineral surfaces and neutralising surface charges. In metalworking fluids and water treatment formulations, it functions as a pH buffer and corrosion inhibitor, forming stable complexes with metal ions to suppress oxidation on ferrous and non-ferrous substrates.
DEIPA is supplied as a technical-grade liquid under REACH registration requirements applicable to EU importers and manufacturers. It is handled under HS code 2922190090 for customs classification. Packaging typically follows standard bulk liquid formats; buyers should confirm grade specifications and SDS documentation directly with the supplier.
In cement grinding aids and concrete admixtures, DEIPA accelerates clinker particle dispersion by adsorbing onto mineral surfaces and neutralising surface charges. In metalworking fluids and water treatment formulations, it functions as a pH buffer and corrosion inhibitor, forming stable complexes with metal ions to suppress oxidation on ferrous and non-ferrous substrates.
DEIPA is supplied as a technical-grade liquid under REACH registration requirements applicable to EU importers and manufacturers. It is handled under HS code 2922190090 for customs classification. Packaging typically follows standard bulk liquid formats; buyers should confirm grade specifications and SDS documentation directly with the supplier.
Physical Properties
| Melting Point | 30.6 °C |
| Boiling Point | 148-152 °C @ Press: 1 Torr |
| Density | 1.079 g/cm³ @ Temp: 25 °C |
| Flash Point | >230 °F |
| Appearance | clear colorless to slightly yellow liquid |
| Color | Colorless to Light orange to Yellow |
| Form | clear liquid to slightly cloudy liquid |
| Vapor Pressure | 0.008Pa at 25℃ |
| Refractive Index | 1.473-1.477 |
| Log P | -1.01 at 21.2℃ |
Trade & Regulatory
| HS Code | 2922190090 |
| Storage Class | 10 - Combustible liquids |
| WGK (Germany) | 3 |
Other Names
1-[bis(2-hydroxyethyl)amino]propan-2-olDEIPADiethyl Isopropanol AmineDiethanol monoisopropanolamineN-(2-Hydroxypropyl)diethanolamineDiethanolisopropanolaMine (DEIPA)Dihydroxyethyl-monoisopropanolamine2,2'-(2-Hydroxypropylimino)bisethanol2-Propanol, 1-bis(2-hydroxyethyl)amino-
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