4-N,4-N-diethyl-2-methylbenzene-1,4-diamine;hydrochloride

C11H19ClN2

CAS2051-79-8
GHS06 Gefahrensymbol: Giftig – Totenkopf mit Knochen
GHS09 Gefahrensymbol: Umweltgefährlich – Umwelt
Danger

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Identification

CAS Number
2051-79-8
EC Number
218-130-3
UN Number
2811
Index Number
612-143-00-1
PubChem CID
108623

Physical-chemical properties

Molecular Formula
C11H19ClN2
Molar Mass
214.73 g/mol
IUPAC Name
4-N,4-N-diethyl-2-methylbenzene-1,4-diamine;hydrochloride

Chemical Identifiers

InChI
InChI=1S/C11H18N2.ClH/c1-4-13(5-2)10-6-7-11(12)9(3)8-10;/h6-8H,4-5,12H2,1-3H3;1H
InChI Key
MPLZNPZPPXERDA-UHFFFAOYSA-N

Overview

4-N,4-N-diethyl-2-methylbenzene-1,4-diamine hydrochloride (CAS 2051-79-8) is an aromatic diamine compound with phenylenediamine structure used in industrial chemical applications. This aromatic diamine derivative, also known by its EC number 218-130-3, represents a specialized chemical intermediate with significant industrial relevance. With a molecular formula of C11H19ClN2 and molecular weight of 214.73 g/mol, this compound belongs to the phenylenediamine family, sharing structural similarities with other aromatic amines such as N-methylaniline. The hydrochloride salt form enhances its stability and handling characteristics compared to the free base compound. The substance exhibits notable safety considerations, classified under multiple hazard categories including acute toxicity (Category 3), eye irritation, and skin sensitization properties. Environmental hazard classifications indicate both acute and chronic aquatic toxicity, requiring careful handling protocols and appropriate containment measures. Transportation regulations classify it under ADR Class 6.1, reflecting its toxic nature and necessitating specialized logistics considerations. Industrial applications primarily focus on chemical synthesis processes where aromatic diamines serve as building blocks for more complex molecules. The compound finds use in polymer chemistry, particularly in the production of specialty resins and as an intermediate in dye manufacturing processes. Additionally, it serves as a precursor in pharmaceutical synthesis routes where controlled introduction of diethylamino functionality is required. The diethyl substitution pattern provides unique reactivity characteristics compared to simpler aromatic diamines, making it valuable for specific synthetic transformations. Its methylated benzene ring structure offers additional sites for chemical modification, expanding its utility in custom synthesis applications. OYSI provides reliable access to 4-N,4-N-diethyl-2-methylbenzene-1,4-diamine hydrochloride for qualified industrial customers across Europe, ensuring consistent supply for specialized chemical manufacturing requirements.

Safety & Classification

Danger
Classification:

Acute Tox. 3 *; Eye Irrit. 2; Skin Sens. 1; Aquatic Acute 1; Aquatic Chronic 1

HHazard Statements (H-Statements)

Describe the nature and severity of the hazard

H301

Toxic if swallowed.

H319

Causes serious eye irritation.

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

Irritant

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

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:

Ingestion

Toxic

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 Number2811
ADR Class6.1
Packing GroupIII
Tunnel CodeE
Proper Shipping NameN5,N5-Diethyltoluen-2,5-diamin-monohydrochlorid
Marine PollutantNo

Frequently Asked Questions

What is 4-N,4-N-diethyl-2-methylbenzene-1,4-diamine;hydrochloride?

4-N,4-N-diethyl-2-methylbenzene-1,4-diamine;hydrochloride is an organic chemical compound with the molecular formula C11H19ClN2 and CAS number 2051-79-8. This substance is a diamine derivative featuring two ethyl groups and a methyl substituent on a benzene ring, supplied as its hydrochloride salt form. With a molecular weight of 214.73 g/mol, it is classified as a hazardous substance requiring careful handling due to its toxicity and environmental impact.

What are the physico-chemical properties of 4-N,4-N-diethyl-2-methylbenzene-1,4-diamine;hydrochloride?

4-N,4-N-diethyl-2-methylbenzene-1,4-diamine;hydrochloride is a solid compound at room temperature, typically appearing as a crystalline powder. As a hydrochloride salt, it exhibits good water solubility compared to its free base form. The compound has a molecular weight of 214.73 g/mol and contains both aromatic and aliphatic amine functionalities. Its exact melting point, color, and odor characteristics depend on purity and storage conditions.

What is 4-N,4-N-diethyl-2-methylbenzene-1,4-diamine;hydrochloride used for?

4-N,4-N-diethyl-2-methylbenzene-1,4-diamine;hydrochloride is primarily used as an intermediate in chemical synthesis and pharmaceutical applications. Its diamine structure makes it valuable for the production of dyes, pigments, and polymer additives. The compound may also serve as a building block in the synthesis of more complex organic molecules or as a specialty chemical in research and development applications within the chemical industry.

How to handle 4-N,4-N-diethyl-2-methylbenzene-1,4-diamine;hydrochloride safely?

4-N,4-N-diethyl-2-methylbenzene-1,4-diamine;hydrochloride must be handled with appropriate personal protective equipment including safety goggles, chemical-resistant gloves, and protective clothing due to its eye irritation and skin sensitization potential. Work in well-ventilated areas or under fume hoods to prevent inhalation exposure. Avoid direct skin and eye contact, and ensure emergency eyewash stations and safety showers are readily accessible. Handle quantities carefully due to its acute toxicity classification.

How to store 4-N,4-N-diethyl-2-methylbenzene-1,4-diamine;hydrochloride correctly?

4-N,4-N-diethyl-2-methylbenzene-1,4-diamine;hydrochloride should be stored in tightly sealed containers in a cool, dry, well-ventilated area away from heat sources and direct sunlight. Keep containers clearly labeled and store away from incompatible materials such as strong oxidizers and acids. Ensure storage areas have appropriate containment measures to prevent environmental release, given its aquatic toxicity. Maintain inventory records and implement first-in, first-out rotation procedures.

What to do in case of contact with 4-N,4-N-diethyl-2-methylbenzene-1,4-diamine;hydrochloride?

In case of eye contact with 4-N,4-N-diethyl-2-methylbenzene-1,4-diamine;hydrochloride, immediately flush with clean water for at least 15 minutes and seek medical attention due to its eye irritant properties. For skin contact, wash thoroughly with soap and water, and remove contaminated clothing. If ingested, do not induce vomiting and seek immediate medical attention given its acute toxicity classification. In case of inhalation, move to fresh air immediately and monitor for respiratory symptoms.

How to dispose of 4-N,4-N-diethyl-2-methylbenzene-1,4-diamine;hydrochloride appropriately?

4-N,4-N-diethyl-2-methylbenzene-1,4-diamine;hydrochloride must be disposed of as hazardous waste through licensed waste management companies in accordance with local and European regulations. Due to its aquatic toxicity, prevent release to water systems or soil. Incineration at authorized high-temperature facilities is typically the preferred disposal method. Empty containers should be treated as hazardous waste unless properly decontaminated. Maintain disposal documentation for regulatory compliance.

How to transport 4-N,4-N-diethyl-2-methylbenzene-1,4-diamine;hydrochloride?

4-N,4-N-diethyl-2-methylbenzene-1,4-diamine;hydrochloride is classified under ADR as Class 6.1 (toxic substances), Packing Group III for transportation purposes. Packages must be properly labeled with appropriate hazard labels and shipping names according to dangerous goods regulations. Use UN-specification packaging suitable for Packing Group III toxic solids. Transport documentation must include proper shipping names, hazard classes, and emergency response information. Ensure drivers have appropriate ADR training certification.

Is 4-N,4-N-diethyl-2-methylbenzene-1,4-diamine;hydrochloride subject to specific regulations?

4-N,4-N-diethyl-2-methylbenzene-1,4-diamine;hydrochloride is subject to European REACH registration requirements and CLP classification and labeling regulations. It displays GHS pictograms GHS06 and GHS09 with the signal word 'Danger' due to its acute toxicity and environmental hazards. The substance is not currently listed as a Substance of Very High Concern (SVHC). Users must comply with safety data sheet requirements and implement appropriate risk management measures.

Where to buy 4-N,4-N-diethyl-2-methylbenzene-1,4-diamine;hydrochloride in Europe?

4-N,4-N-diethyl-2-methylbenzene-1,4-diamine;hydrochloride is available through OYSI, a specialized European distributor of technical chemicals. OYSI provides this compound to industrial customers across Europe with proper documentation including safety data sheets and certificates of analysis. As a regulated hazardous substance, purchase requires compliance with applicable regulations and appropriate storage and handling capabilities. 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.