1-[bis(2-hydroxypropyl)amino]propan-2-ol

C9H21NO3

CAS122-20-3
GHS07 Gefahrensymbol: Gesundheitsschädlich/Reizend – Ausrufezeichen
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Identification

CAS Number
122-20-3
EC Number
204-528-4
UN Number
Index Number
603-097-00-3
PubChem CID
24730

Physical-chemical properties

Molecular Formula
C9H21NO3
Molar Mass
191.27 g/mol
IUPAC Name
1-[bis(2-hydroxypropyl)amino]propan-2-ol

Chemical Identifiers

InChI
InChI=1S/C9H21NO3/c1-7(11)4-10(5-8(2)12)6-9(3)13/h7-9,11-13H,4-6H2,1-3H3
InChI Key
SLINHMUFWFWBMU-UHFFFAOYSA-N

Overview

1-[bis(2-hydroxypropyl)amino]propan-2-ol (CAS 122-20-3) is a tertiary amine alcohol compound with multiple hydroxyl groups providing excellent solubility and chelating properties. This organic compound, with the molecular formula C9H21NO3 and molecular weight of 191.27 g/mol, belongs to the family of aminopolyol derivatives commonly utilized in industrial applications requiring both amine functionality and hydroxyl group reactivity. The molecule features a central nitrogen atom bonded to three propanol chains, each terminated with hydroxyl groups, creating a highly polar structure with exceptional water solubility and metal-binding capabilities. From a safety perspective, 1-[bis(2-hydroxypropyl)amino]propan-2-ol is classified as Eye Irritant Category 2 under GHS regulations, requiring appropriate handling precautions including eye protection. The compound carries the warning signal word and GHS07 pictogram, indicating moderate hazard potential that can be safely managed with standard laboratory practices. Unlike more volatile compounds such as 4-hydroxy-4-methylpentan-2-one, this aminopolyol exhibits low volatility at ambient conditions, reducing inhalation risks during handling. Primary industrial applications include its use as a chelating agent in metalworking fluids, where its multiple hydroxyl groups effectively bind metal ions and prevent oxidation. The compound also serves as an intermediate in the synthesis of specialized surfactants and as a pH buffer in various chemical processes. In water treatment applications, it functions as a scale inhibitor and corrosion preventive, offering superior performance compared to simpler compounds like methyl 3-oxobutanoate. OYSI maintains reliable supply chains for 1-[bis(2-hydroxypropyl)amino]propan-2-ol, ensuring consistent availability for European industrial customers requiring this specialized chemical intermediate.

Safety & Classification

Warning
Classification:

Eye Irrit. 2

HHazard Statements (H-Statements)

Describe the nature and severity of the hazard

H319

Causes serious eye irritation.

Classification according to CLP Regulation (EC) No 1272/2008. The complete list of hazard and precautionary statements can be found in the Safety Data Sheet (SDS).

First Aid Measures

Eye Contact

Irritant

Measures if substance gets into the eyes

First Aid Actions

  • +P305IF IN EYES:
  • +P351Rinse cautiously with water for several minutes.
  • +P338Remove contact lenses, if present and easy to do. Continue rinsing.
  • +P313Get medical advice/attention.

Related hazard statements:

General Measures

Emergency 112 | Poison Control: +49 30 19240 (DE), +33 1 45 42 59 59 (FR), +31 30 274 88 88 (NL)

First aid measures are based on CLP classification and associated P-statements. They do not replace the Safety Data Sheet (SDS). In case of emergency, always consult the full SDS and a physician.

Frequently Asked Questions

What is 1-[bis(2-hydroxypropyl)amino]propan-2-ol?

1-[bis(2-hydroxypropyl)amino]propan-2-ol is an organic compound with the molecular formula C9H21NO3 and CAS number 122-20-3. This tertiary amine derivative contains multiple hydroxyl groups, giving it amphiphilic properties. With a molecular weight of 191.27 g/mol, it belongs to the family of alkanolamines. The compound is classified as an eye irritant (Eye Irrit. 2) under GHS classification and carries the warning signal word with GHS07 pictogram.

What are the physicochemical properties of 1-[bis(2-hydroxypropyl)amino]propan-2-ol?

1-[bis(2-hydroxypropyl)amino]propan-2-ol is typically a viscous liquid at room temperature due to its multiple hydroxyl groups. The presence of both hydrophilic (hydroxyl and amino groups) and hydrophobic (alkyl chains) moieties makes it soluble in both water and organic solvents. Its molecular structure with three hydroxyl groups contributes to hydrogen bonding, resulting in relatively high viscosity and boiling point compared to similar molecular weight compounds.

What is 1-[bis(2-hydroxypropyl)amino]propan-2-ol used for?

1-[bis(2-hydroxypropyl)amino]propan-2-ol is primarily used as a surfactant and emulsifying agent in various industrial applications. Its amphiphilic nature makes it valuable in formulating cosmetics, personal care products, and cleaning agents. The compound also serves as an intermediate in chemical synthesis and can function as a corrosion inhibitor in metalworking fluids. Additionally, it finds applications in textile processing and as a component in specialized industrial formulations requiring surface-active properties.

How to handle 1-[bis(2-hydroxypropyl)amino]propan-2-ol safely?

1-[bis(2-hydroxypropyl)amino]propan-2-ol should be handled with appropriate eye protection due to its Eye Irrit. 2 classification. Wear safety goggles, chemical-resistant gloves, and protective clothing when handling this substance. Ensure adequate ventilation in the work area and avoid direct contact with eyes and prolonged skin contact. Use in well-ventilated areas or under local exhaust ventilation. Follow good industrial hygiene practices, including washing hands thoroughly after handling and before eating or drinking.

How to store 1-[bis(2-hydroxypropyl)amino]propan-2-ol correctly?

1-[bis(2-hydroxypropyl)amino]propan-2-ol should be stored in tightly closed original containers in a cool, dry, and well-ventilated area away from direct sunlight and heat sources. Keep containers upright to prevent leakage and ensure proper labeling is maintained. Store away from incompatible materials such as strong acids and oxidizing agents. Maintain storage temperature within manufacturer's specifications and regularly inspect containers for signs of damage or deterioration to prevent environmental release.

What to do in case of contact with 1-[bis(2-hydroxypropyl)amino]propan-2-ol?

In case of eye contact with 1-[bis(2-hydroxypropyl)amino]propan-2-ol, immediately flush eyes with plenty of clean water for at least 15 minutes, holding eyelids open. Remove contact lenses if present and easily removable. Seek immediate medical attention as the substance can cause eye irritation. For skin contact, wash thoroughly with soap and water. If inhaled, move person to fresh air and keep comfortable for breathing. In all cases of exposure, consult a physician if symptoms persist or worsen.

How to dispose of 1-[bis(2-hydroxypropyl)amino]propan-2-ol properly?

1-[bis(2-hydroxypropyl)amino]propan-2-ol waste must be disposed of in accordance with local, national, and international regulations. Contact authorized waste disposal companies for proper handling and treatment. Do not discharge into drains, waterways, or soil. Collect spillages and contaminated materials in suitable containers for professional disposal. Consider recycling or recovery options where available and economically viable. Maintain proper documentation of waste disposal activities as required by applicable environmental regulations.

How to transport 1-[bis(2-hydroxypropyl)amino]propan-2-ol?

1-[bis(2-hydroxypropyl)amino]propan-2-ol does not appear to be classified under ADR dangerous goods regulations based on available information. However, proper packaging is still essential to prevent leakage during transport. Use appropriate containers that are compatible with the substance and ensure proper labeling with product identification and hazard information. Follow general transport guidelines for chemical substances, including securing containers to prevent damage during transit and maintaining proper documentation.

Is 1-[bis(2-hydroxypropyl)amino]propan-2-ol subject to specific regulations?

1-[bis(2-hydroxypropyl)amino]propan-2-ol is subject to REACH regulation in the European Union and must comply with CLP classification requirements. It is classified as Eye Irrit. 2 under GHS/CLP with warning signal word and GHS07 pictogram. The substance is not listed as a Substance of Very High Concern (SVHC). Users must ensure proper risk assessment, safety data sheet availability, and compliance with occupational exposure limits where established by national authorities.

Where to buy 1-[bis(2-hydroxypropyl)amino]propan-2-ol in Europe?

1-[bis(2-hydroxypropyl)amino]propan-2-ol is available through OYSI, a specialized European distributor of technical chemicals. OYSI provides reliable supply chain solutions for industrial customers across Europe, ensuring product quality and regulatory compliance. As an established chemical distributor, OYSI offers technical support and documentation required for industrial applications. Contact OYSI directly for availability, specifications, and delivery options tailored to your specific requirements and location within Europe.

Data Sources

Classification per CLP Regulation (EC) No 1272/2008. Data from ECHA and PubChem.