N'-(3-aminopropyl)propane-1,3-diamine

C6H17N3

CAS56-18-8
GHS06 Gefahrensymbol: Giftig – Totenkopf mit Knochen
GHS05 Gefahrensymbol: Ätzend – Ätzwirkung
Danger

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Identification

CAS Number
56-18-8
EC Number
200-261-2
UN Number
2269
Index Number
612-063-00-7
PubChem CID
5942

Physical-chemical properties

Molecular Formula
C6H17N3
Molar Mass
131.22 g/mol
IUPAC Name
N'-(3-aminopropyl)propane-1,3-diamine

Chemical Identifiers

InChI
InChI=1S/C6H17N3/c7-3-1-5-9-6-2-4-8/h9H,1-8H2
InChI Key
OTBHHUPVCYLGQO-UHFFFAOYSA-N

Overview

N'-(3-aminopropyl)propane-1,3-diamine (CAS 56-18-8) is a linear triamine compound with strong alkaline properties and excellent chelating capabilities. This versatile chemical intermediate, also known by its molecular formula C6H17N3, represents an important class of polyamine compounds widely utilized in industrial applications. With a molecular weight of 131.22 g/mol, this triamine features three primary amine groups positioned along a flexible aliphatic chain, providing exceptional reactivity and binding characteristics that make it valuable across multiple chemical processes. The compound exhibits significant hazard properties, classified under GHS pictograms GHS06 and GHS05, indicating both acute toxicity and corrosive characteristics. It carries multiple acute toxicity classifications (Acute Tox. 2, 3, and 4) alongside skin corrosion (Skin Corr. 1A) and skin sensitization (Skin Sens. 1) warnings, requiring careful handling protocols and appropriate safety measures during storage and use. The substance falls under ADR transport class 8, reflecting its corrosive nature during shipping and logistics operations. Industrial applications primarily focus on epoxy curing systems, where the triamine structure provides excellent cross-linking properties for high-performance coatings and adhesives. The compound also serves as a chelating agent in metal treatment processes and as a chemical intermediate in specialty polymer synthesis. Unlike more reactive compounds such as tribromoborane, this triamine offers controlled reactivity suitable for large-scale industrial processes. OYSI maintains reliable supply chains for N'-(3-aminopropyl)propane-1,3-diamine, ensuring consistent availability for European customers requiring this essential chemical intermediate for their manufacturing operations.

Safety & Classification

Danger
Classification:

Acute Tox. 2 *; Acute Tox. 3 *; Acute Tox. 4 *; Skin Corr. 1A; Skin Sens. 1

HHazard Statements (H-Statements)

Describe the nature and severity of the hazard

H330

Fatal if inhaled.

H311

Toxic in contact with skin.

H302

Harmful if swallowed.

H314

Causes severe skin burns and eye damage.

H317

May cause an allergic skin reaction.

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

Inhalation

Fatal

Measures if vapours or dust are inhaled

First Aid Actions

  • +P304IF INHALED:
  • +P340Remove person to fresh air and keep comfortable for breathing.
  • +P311Call a POISON CENTER/doctor.

Related hazard statements:

Skin Contact

Toxic

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 Number2269
ADR Class8
Packing GroupIII
Tunnel CodeE
Proper Shipping Name3,3'-Iminobispropylamin
Marine PollutantNo

Frequently Asked Questions

What is N'-(3-aminopropyl)propane-1,3-diamine?

N'-(3-aminopropyl)propane-1,3-diamine is an organic chemical compound with the molecular formula C6H17N3 and CAS number 56-18-8. This triamine molecule has a molecular weight of 131.22 g/mol and contains three amino groups, making it highly reactive. It is classified as a corrosive substance with acute toxicity properties, requiring careful handling due to its potential health hazards including skin corrosion and sensitization effects.

What are the physicochemical properties of N'-(3-aminopropyl)propane-1,3-diamine?

N'-(3-aminopropyl)propane-1,3-diamine is typically a colorless to pale yellow liquid at room temperature with a characteristic amine odor. The compound is highly soluble in water and polar solvents due to its three amino groups, which can form hydrogen bonds. It has a relatively low molecular weight of 131.22 g/mol and exhibits basic properties in aqueous solutions, forming salts with acids readily.

What is N'-(3-aminopropyl)propane-1,3-diamine used for?

N'-(3-aminopropyl)propane-1,3-diamine serves as a versatile building block in chemical synthesis and industrial applications. It is commonly used as a curing agent for epoxy resins, a chelating agent for metal complexation, and an intermediate in the production of specialty polymers. The compound also finds applications in the manufacture of corrosion inhibitors, fuel additives, and as a cross-linking agent in various polymer formulations.

How to safely handle N'-(3-aminopropyl)propane-1,3-diamine?

N'-(3-aminopropyl)propane-1,3-diamine requires strict safety precautions due to its corrosive and toxic properties. Always wear appropriate personal protective equipment including chemical-resistant gloves, safety goggles, and protective clothing. Work in well-ventilated areas or under fume hoods to avoid inhalation. Prevent skin and eye contact, as the substance can cause severe burns and sensitization. Keep containers tightly closed and handle with suitable tools to minimize direct exposure.

How to properly store N'-(3-aminopropyl)propane-1,3-diamine?

N'-(3-aminopropyl)propane-1,3-diamine should be stored in tightly sealed containers in a cool, dry, and well-ventilated area away from heat sources and incompatible materials. Keep away from strong acids and oxidizing agents to prevent hazardous reactions. Store in original containers made of compatible materials, typically in a dedicated chemical storage area with appropriate spill containment measures. Maintain temperatures below 25°C and protect from moisture and direct sunlight.

What to do in case of contact with N'-(3-aminopropyl)propane-1,3-diamine?

Immediate action is crucial when exposed to N'-(3-aminopropyl)propane-1,3-diamine due to its corrosive nature. For skin contact, immediately remove contaminated clothing and rinse affected areas with plenty of water for at least 15 minutes. In case of eye contact, flush eyes with clean water for at least 15 minutes and seek immediate medical attention. If inhaled, move to fresh air immediately. For ingestion, do not induce vomiting and seek medical help immediately.

How to properly dispose of N'-(3-aminopropyl)propane-1,3-diamine?

N'-(3-aminopropyl)propane-1,3-diamine must be disposed of in accordance with local, national, and international environmental regulations as hazardous waste. Contact licensed waste disposal companies specialized in chemical waste management. Do not discharge into sewers, waterways, or soil. Small quantities should be neutralized under controlled conditions by qualified personnel before disposal. Empty containers must also be treated as hazardous waste due to potential residues.

How to transport N'-(3-aminopropyl)propane-1,3-diamine?

N'-(3-aminopropyl)propane-1,3-diamine is classified under ADR Class 8 (corrosive substances), Packing Group III for transportation. It must be packaged in UN-approved containers with appropriate labeling including corrosive hazard symbols. Transport vehicles must comply with ADR regulations for Class 8 substances, including proper placarding and documentation. Drivers must have appropriate training and carry safety equipment. Ensure packages are secure and protected from damage during transit.

Is N'-(3-aminopropyl)propane-1,3-diamine subject to specific regulations?

N'-(3-aminopropyl)propane-1,3-diamine is subject to various European regulations including REACH registration requirements and CLP classification as corrosive and toxic substance. It carries GHS06 and GHS05 pictograms with 'Danger' signal word. The compound is not currently listed as a Substance of Very High Concern (SVHC) under REACH. Users must comply with occupational safety regulations, proper labeling requirements, and maintain safety data sheets for workplace safety compliance.

Where to buy N'-(3-aminopropyl)propane-1,3-diamine in Europe?

N'-(3-aminopropyl)propane-1,3-diamine is available through OYSI, a European distributor of specialty chemicals serving the industrial market. OYSI provides this compound with full regulatory compliance documentation including safety data sheets and certificates of analysis. As a professional chemical distributor, OYSI ensures proper packaging, labeling, and transportation in accordance with European regulations. Contact OYSI directly for availability, specifications, and technical support for your specific application requirements.

Data Sources

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