N',N'-dimethylpropane-1,3-diamine
C5H14N2
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Identification
- CAS Number
- 109-55-7
- EC Number
- 203-680-9
- UN Number
- 2734
- Index Number
- 612-061-00-6
- PubChem CID
- 7993
Physical-chemical properties
- Molecular Formula
- C5H14N2
- Molar Mass
- 102.18 g/mol
- IUPAC Name
- N',N'-dimethylpropane-1,3-diamine
Chemical Identifiers
- InChI
- InChI=1S/C5H14N2/c1-7(2)5-3-4-6/h3-6H2,1-2H3
- InChI Key
- IUNMPGNGSSIWFP-UHFFFAOYSA-N
Overview
N',N'-dimethylpropane-1,3-diamine (CAS 109-55-7) is an aliphatic diamine compound with strong basic properties and corrosive characteristics. This linear diamine represents an important building block in chemical synthesis and industrial applications. The molecule features two amino groups separated by a three-carbon chain, with the terminal nitrogen bearing two methyl substituents. This structural arrangement gives the compound its distinctive chemical reactivity and makes it particularly useful in polymer chemistry and as an intermediate in organic synthesis. With a molecular weight of 102.18 g/mol and formula C5H14N2, N',N'-dimethylpropane-1,3-diamine exhibits typical properties of aliphatic diamines. The compound presents significant safety considerations due to its classification as a flammable liquid (Category 3) and skin corrosive substance (Category 1B). The presence of GHS pictograms for flame, exclamation mark, and corrosion reflects its hazardous nature, requiring careful handling protocols and appropriate personal protective equipment. The compound shares chemical family characteristics with other diamines such as ethane-1,2-diamine, though its longer carbon chain and methylated terminal nitrogen provide distinct reactivity profiles. Like 2-(diethylamino)ethanol, it demonstrates strong nucleophilic properties due to its amine functionality. Primary industrial applications include its use as a curing agent for epoxy resins, where the diamine structure provides excellent cross-linking capabilities. The compound also serves as an intermediate in pharmaceutical synthesis and as a catalyst in polyurethane production. Additionally, it finds application in the manufacture of specialty chemicals and as a building block for more complex nitrogen-containing compounds. OYSI maintains reliable supply chains for N',N'-dimethylpropane-1,3-diamine to support European industrial customers across various technical applications.
Safety & Classification
Flam. Liq. 3; Acute Tox. 4 *; Skin Corr. 1B; Skin Sens. 1
GHS Pictograms
HHazard Statements (H-Statements)
Describe the nature and severity of the hazard
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
Measures if substance contacts the skin
Eye Contact
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
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 Number | 2734 |
| ADR Class | 8 |
| Packing Group | II |
| Tunnel Code | D/E |
| Proper Shipping Name | 3-Dimethylaminopropylamin |
| Marine Pollutant | No |
Frequently Asked Questions
What is N',N'-dimethylpropane-1,3-diamine?
N',N'-dimethylpropane-1,3-diamine is an organic diamine compound with the molecular formula C5H14N2 and CAS number 109-55-7. This chemical substance has a molecular weight of 102.18 g/mol and contains two nitrogen atoms in its structure, with methyl groups attached to one of the amino groups. It is classified as a hazardous chemical requiring careful handling due to its corrosive and toxic properties.
What are the physicochemical properties of N',N'-dimethylpropane-1,3-diamine?
N',N'-dimethylpropane-1,3-diamine is typically a liquid at room temperature with characteristic amine odor. As a diamine compound, it is highly polar and generally soluble in water and polar solvents. The substance has a molecular weight of 102.18 g/mol and contains both primary and tertiary amine functional groups, giving it basic properties and the ability to form salts with acids.
What is N',N'-dimethylpropane-1,3-diamine used for?
N',N'-dimethylpropane-1,3-diamine serves as an important intermediate in chemical synthesis, particularly in the production of pharmaceuticals, agrochemicals, and specialty chemicals. It is commonly used as a building block for polymer synthesis, curing agents for epoxy resins, and in the manufacture of surfactants. The compound's diamine structure makes it valuable for creating cross-linked materials and chelating agents.
How to handle N',N'-dimethylpropane-1,3-diamine safely?
N',N'-dimethylpropane-1,3-diamine requires strict safety measures due to its corrosive and toxic nature. Essential personal protective equipment includes chemical-resistant gloves, safety goggles, and protective clothing. Work should be conducted in well-ventilated areas or under fume hoods to avoid inhalation. The substance can cause severe skin and eye burns, so immediate access to emergency eyewash stations and safety showers is mandatory.
How to store N',N'-dimethylpropane-1,3-diamine correctly?
N',N'-dimethylpropane-1,3-diamine must be stored in tightly closed containers in a cool, dry, and well-ventilated area away from heat sources and ignition sources. The storage area should be equipped with appropriate containment measures and kept separate from incompatible materials such as strong acids and oxidizing agents. Secondary containment is recommended to prevent environmental contamination in case of spills.
What to do in case of contact with N',N'-dimethylpropane-1,3-diamine?
Immediate action is required upon contact with N',N'-dimethylpropane-1,3-diamine due to its corrosive nature. For skin contact, remove contaminated clothing and rinse with plenty of water for at least 15 minutes. In case of eye contact, flush immediately with water for at least 15 minutes and seek medical attention. If inhaled, move to fresh air immediately. Always seek professional medical advice after any significant exposure.
How to dispose of N',N'-dimethylpropane-1,3-diamine properly?
N',N'-dimethylpropane-1,3-diamine must be disposed of through authorized hazardous waste management companies in accordance with local and national regulations. The substance cannot be disposed of in regular waste streams due to its toxic and corrosive properties. Waste classification should follow the appropriate waste codes, and all disposal documentation must be maintained for regulatory compliance and traceability purposes.
How to transport N',N'-dimethylpropane-1,3-diamine?
N',N'-dimethylpropane-1,3-diamine is classified as ADR Class 8 (corrosive substances) Packing Group II, requiring specialized transport procedures. The substance must be packaged in UN-approved containers with appropriate labeling and documentation. Transport vehicles must comply with ADR regulations, including proper placarding and emergency equipment. Only qualified carriers experienced in hazardous materials transport should handle shipments.
Is N',N'-dimethylpropane-1,3-diamine subject to specific regulations?
N',N'-dimethylpropane-1,3-diamine is subject to various chemical regulations including REACH registration requirements in Europe and CLP classification obligations. The substance is classified under GHS with specific hazard classifications including Flam. Liq. 3, Acute Tox. 4, Skin Corr. 1B, and Skin Sens. 1. It is not currently listed as a Substance of Very High Concern (SVHC) under REACH.
Where to buy N',N'-dimethylpropane-1,3-diamine in Europe?
N',N'-dimethylpropane-1,3-diamine is available through OYSI, a leading European distributor of specialty chemicals. OYSI provides reliable supply chains across Europe with proper documentation, safety data sheets, and regulatory compliance support. As a specialized chemical distributor, OYSI ensures quality products and technical support for industrial customers requiring this chemical intermediate for their manufacturing processes.
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Data Sources
Classification per CLP Regulation (EC) No 1272/2008. Data from ECHA and PubChem.