N'-[2-[2-[2-[2-(2-aminoethylamino)ethylamino]ethylamino]ethylamino]ethyl]ethane-1,2-diamine

C12H33N7

CAS4403-32-1
GHS07 Gefahrensymbol: Gesundheitsschädlich/Reizend – Ausrufezeichen
GHS05 Gefahrensymbol: Ätzend – Ätzwirkung
GHS09 Gefahrensymbol: Umweltgefährlich – Umwelt
Danger

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Identification

CAS Number
4403-32-1
EC Number
224-542-4
UN Number
2735
Index Number
612-065-00-8
PubChem CID
78117

Physical-chemical properties

Molecular Formula
C12H33N7
Molar Mass
275.44 g/mol
IUPAC Name
N'-[2-[2-[2-[2-(2-aminoethylamino)ethylamino]ethylamino]ethylamino]ethyl]ethane-1,2-diamine

Chemical Identifiers

InChI
InChI=1S/C12H33N7/c13-1-3-15-5-7-17-9-11-19-12-10-18-8-6-16-4-2-14/h15-19H,1-14H2
InChI Key
AQGNVWRYTKPRMR-UHFFFAOYSA-N

Overview

N'-[2-[2-[2-[2-(2-aminoethylamino)ethylamino]ethylamino]ethylamino]ethyl]ethane-1,2-diamine (CAS 4403-32-1) is a linear polyethylene polyamine with seven nitrogen functional groups providing exceptional reactivity and crosslinking capabilities. This highly functional polyamine compound, also identified by EC number 224-542-4, represents a significant advancement in nitrogen-rich chemical intermediates. With its molecular formula C12H33N7 and molecular weight of 275.44 g/mol, this heptamine structure offers unique chemical properties derived from its extended ethylenediamine backbone containing multiple primary and secondary amine groups. The compound exhibits strong basic characteristics due to its seven nitrogen atoms, making it highly reactive toward acids, electrophiles, and crosslinking agents. Its linear chain structure provides flexibility while maintaining high nitrogen density, distinguishing it from simpler polyamines and more complex aromatic nitrogen compounds like 3-(methylaminomethyl)aniline. The multiple amine functionalities enable extensive hydrogen bonding and coordination chemistry applications. Safety considerations are paramount when handling this material, as it carries significant hazard classifications including skin corrosion (1B), acute toxicity (4), skin sensitization (1), and aquatic toxicity concerns. The compound requires careful handling with appropriate personal protective equipment and environmental controls, reflecting its ADR Class 8 classification and GHS danger signal word. Industrial applications primarily focus on epoxy curing systems, where the multiple amine groups provide excellent crosslinking density and mechanical properties. The compound also serves as a specialized intermediate in polymer synthesis and as a chelating agent in metal treatment processes. Its unique structure offers advantages in applications requiring high nitrogen content and controlled reactivity profiles. OYSI maintains reliable supply chains for this specialized polyamine compound, supporting European industrial customers with technical-grade material and comprehensive safety documentation.

Safety & Classification

Danger
Classification:

Acute Tox. 4 *; Acute Tox. 4 *; Skin Corr. 1B; Skin Sens. 1; Aquatic Acute 1; Aquatic Chronic 1

HHazard Statements (H-Statements)

Describe the nature and severity of the hazard

H312

Harmful in contact with skin.

H302

Harmful if swallowed.

H314

Causes severe skin burns and eye damage.

H317

May cause an allergic skin reaction.

H400

Very toxic to aquatic life.

H410

Very toxic to aquatic life with long lasting effects.

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

Skin Contact

Harmful

Measures if substance contacts the skin

First Aid Actions

  • +P302IF ON SKIN:
  • +P352Wash with plenty of water.
  • +P361Take off immediately all contaminated clothing.
  • +P313Get medical advice/attention.

Related hazard statements:

Eye Contact

Harmful

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:

Ingestion

Harmful

Measures if substance is accidentally swallowed

First Aid Actions

  • +P301IF SWALLOWED:
  • +P330Rinse mouth.
  • +P331Do NOT induce vomiting.
  • +P310Immediately call a POISON CENTER/doctor.

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.

Transport (ADR)

UN Number2735
ADR Class8
Packing GroupII
Tunnel CodeE
Proper Shipping NameHexaethylenheptamin
Marine PollutantNo

Frequently Asked Questions

What is N'-[2-[2-[2-[2-(2-aminoethylamino)ethylamino]ethylamino]ethylamino]ethyl]ethane-1,2-diamine?

N'-[2-[2-[2-[2-(2-aminoethylamino)ethylamino]ethylamino]ethylamino]ethyl]ethane-1,2-diamine is a complex polyamine compound with the molecular formula C12H33N7 and CAS number 4403-32-1. This substance contains seven nitrogen atoms in its structure, making it highly basic and reactive. With a molecular weight of 275.44 g/mol, it belongs to the class of linear polyethyleneamine derivatives used primarily in industrial applications requiring strong chelating or cross-linking properties.

What are the physicochemical properties of N'-[2-[2-[2-[2-(2-aminoethylamino)ethylamino]ethylamino]ethylamino]ethyl]ethane-1,2-diamine?

This polyamine compound is typically a viscous liquid at room temperature with a characteristic amine odor. Due to its multiple amino groups, it is highly water-soluble and exhibits strong basic properties with high pH values in aqueous solutions. The substance is hygroscopic, readily absorbing moisture from air. Its high nitrogen content and linear structure contribute to excellent chelating properties and reactivity with acids, forming stable salts.

What is N'-[2-[2-[2-[2-(2-aminoethylamino)ethylamino]ethylamino]ethylamino]ethyl]ethane-1,2-diamine used for?

This polyamine serves as a key intermediate in the production of specialty chemicals, particularly as a curing agent for epoxy resins and as a chelating agent in metal treatment processes. It is used in the manufacture of wet-strength additives for paper, corrosion inhibitors, and as a building block for producing more complex nitrogen-containing compounds. Its multiple amino groups make it valuable in applications requiring cross-linking or metal complexation properties.

How should N'-[2-[2-[2-[2-(2-aminoethylamino)ethylamino]ethylamino]ethylamino]ethyl]ethane-1,2-diamine be handled safely?

Safe handling requires appropriate personal protective equipment including chemical-resistant gloves, safety goggles, and protective clothing due to its corrosive nature (Skin Corr. 1B classification). Work in well-ventilated areas or use local exhaust ventilation to prevent inhalation exposure. Avoid skin and eye contact as the substance can cause severe burns and sensitization reactions. Use non-sparking tools and equipment, and ensure emergency eyewash and shower facilities are readily accessible.

How should N'-[2-[2-[2-[2-(2-aminoethylamino)ethylamino]ethylamino]ethylamino]ethyl]ethane-1,2-diamine be stored correctly?

Store this substance in tightly sealed containers in a cool, dry, well-ventilated area away from heat sources and incompatible materials. Due to its corrosive properties, use corrosion-resistant containers and avoid contact with acids, strong oxidizers, and reactive metals. Keep containers upright and properly labeled. Storage areas should be equipped with appropriate containment measures and emergency equipment. Protect from moisture and maintain temperatures within recommended ranges to prevent degradation.

What should be done in case of contact with N'-[2-[2-[2-[2-(2-aminoethylamino)ethylamino]ethylamino]ethylamino]ethyl]ethane-1,2-diamine?

Immediate action is crucial due to the substance's corrosive nature. For skin contact, remove contaminated clothing and flush affected area with copious amounts of water for at least 15 minutes. For eye contact, rinse immediately with clean water for at least 15 minutes while holding eyelids open. If inhaled, move to fresh air immediately. Seek immediate medical attention for all exposure routes. Do not induce vomiting if swallowed; rinse mouth and seek medical help immediately.

How should N'-[2-[2-[2-[2-(2-aminoethylamino)ethylamino]ethylamino]ethylamino]ethyl]ethane-1,2-diamine be disposed of appropriately?

Disposal must comply with local, national, and international regulations as this substance is classified as aquatic toxic (Aquatic Acute 1, Aquatic Chronic 1). Do not discharge to sewers or waterways. Arrange disposal through licensed hazardous waste contractors who can neutralize the corrosive properties safely. Small quantities may be neutralized with dilute acid under controlled conditions by trained personnel. Always consult local environmental authorities and follow specific waste classification codes for proper disposal methods.

How should N'-[2-[2-[2-[2-(2-aminoethylamino)ethylamino]ethylamino]ethylamino]ethyl]ethane-1,2-diamine be transported?

This substance is classified as ADR Class 8 (Corrosive substances), Packing Group II, indicating moderate danger level for transport. Use UN-specification packaging designed for corrosive liquids with appropriate markings and labels. Vehicles must carry proper documentation, emergency response information, and appropriate fire extinguishers. Drivers require ADR certification for dangerous goods transport. Ensure packages are properly secured, upright, and protected from temperature extremes during transit. Follow all applicable dangerous goods regulations.

Is N'-[2-[2-[2-[2-(2-aminoethylamino)ethylamino]ethylamino]ethylamino]ethyl]ethane-1,2-diamine subject to special regulations?

This substance is subject to CLP regulation classification requirements with mandatory hazard labeling including GHS pictograms (GHS05, GHS07, GHS09) and 'Danger' signal word. While not currently listed as an SVHC under REACH, it must comply with standard registration, evaluation, and authorization requirements. Companies must maintain safety data sheets, implement risk management measures, and ensure downstream user communication. Transportation falls under ADR dangerous goods regulations requiring special handling and documentation procedures.

Where can N'-[2-[2-[2-[2-(2-aminoethylamino)ethylamino]ethylamino]ethylamino]ethyl]ethane-1,2-diamine be purchased in Europe?

OYSI serves as a reliable European distributor for this specialty polyamine compound, offering access to industrial-grade material with proper documentation and regulatory compliance. As an established chemical distributor, OYSI provides technical support, safety data sheets, and ensures adherence to European chemical regulations. Contact OYSI directly for availability, specifications, and delivery options across European markets. Their expertise in handling corrosive specialty chemicals ensures safe and compliant supply chain management.

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N'-[2-[2-[2-[2-(2-aminoethylamino)ethylamino]ethylamino]ethylamino]ethyl]ethane-1,2-diamine is a dangerous good. We support you with labeling, packaging, and transport documentation.

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Data Sources

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