3-methyl-1-[[3-[(3-methyl-2,5-dioxopyrrol-1-yl)methyl]phenyl]methyl]pyrrole-2,5-dione

C18H16N2O4

CAS119462-56-5
GHS08 Gefahrensymbol: Gesundheitsgefahr – Gesundheitsgefahr
GHS05 Gefahrensymbol: Ätzend – Ätzwirkung
GHS07 Gefahrensymbol: Gesundheitsschädlich/Reizend – Ausrufezeichen
GHS09 Gefahrensymbol: Umweltgefährlich – Umwelt
Danger

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Identification

CAS Number
119462-56-5
EC Number
412-570-1
UN Number
3077
Index Number
616-058-00-0
PubChem CID
11587850

Physical-chemical properties

Molecular Formula
C18H16N2O4
Molar Mass
324.30 g/mol
IUPAC Name
3-methyl-1-[[3-[(3-methyl-2,5-dioxopyrrol-1-yl)methyl]phenyl]methyl]pyrrole-2,5-dione

Chemical Identifiers

InChI
InChI=1S/C18H16N2O4/c1-11-6-15(21)19(17(11)23)9-13-4-3-5-14(8-13)10-20-16(22)7-12(2)18(20)24/h3-8H,9-10H2,1-2H3
InChI Key
MIIBUHIQXLFJFP-UHFFFAOYSA-N

Overview

3-methyl-1-[[3-[(3-methyl-2,5-dioxopyrrol-1-yl)methyl]phenyl]methyl]pyrrole-2,5-dione (CAS 119462-56-5) is a bis-maleimide compound with cross-linking properties and high thermal stability. This specialized organic compound belongs to the family of bismaleimides, characterized by its dual pyrrole-2,5-dione functional groups connected through a methylphenyl bridge. With the molecular formula C18H16N2O4 and a molecular weight of 324.3 g/mol, this substance exhibits the typical reactivity profile of maleimide derivatives, making it valuable in advanced polymer chemistry applications. The compound's structure features two reactive maleimide rings that enable cross-linking reactions, contributing to the formation of thermally stable polymer networks. From a safety perspective, this bismaleimide requires careful handling due to its classification under multiple hazard categories. It carries a "Danger" signal word and is associated with GHS08, GHS05, GHS07, and GHS09 pictograms, indicating potential health hazards including eye damage, skin sensitization, and specific target organ toxicity following repeated exposure. The compound also presents aquatic toxicity concerns, classified as both acute and chronic aquatic hazard category 1. Proper personal protective equipment and adequate ventilation are essential when working with this material. Industrial applications primarily focus on high-performance polymer synthesis, particularly in aerospace and electronics industries where thermal stability is crucial. The compound serves as a cross-linking agent in advanced composite materials and specialized coatings that must withstand elevated temperatures. Its reactivity profile differs from related compounds such as bis(8-(dimethylamino)-3-methyl-10-phenylphenazin-10-ium-2-ol);sulfate, which finds applications in different chemical systems. OYSI maintains reliable supply chains for this specialized bismaleimide compound, supporting European manufacturers requiring consistent quality and technical expertise.

Safety & Classification

Danger
Classification:

STOT RE 2 *; Eye Dam. 1; Skin Sens. 1; Aquatic Acute 1; Aquatic Chronic 1

HHazard Statements (H-Statements)

Describe the nature and severity of the hazard

H373

May cause damage to organs through prolonged or repeated exposure.

H318

Causes serious 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

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

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:

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 Number3077
ADR Class9
Packing GroupIII
Tunnel Code-
Proper Shipping Name1,3-Bis((3-methyl-2,5-dioxo-pyrrol-1-yl)methyl)benzen
Marine PollutantNo

Frequently Asked Questions

What is 3-methyl-1-[[3-[(3-methyl-2,5-dioxopyrrol-1-yl)methyl]phenyl]methyl]pyrrole-2,5-dione?

3-methyl-1-[[3-[(3-methyl-2,5-dioxopyrrol-1-yl)methyl]phenyl]methyl]pyrrole-2,5-dione is an organic chemical compound with CAS number 119462-56-5 and molecular formula C18H16N2O4. This compound features a complex structure containing two pyrrole rings connected by a benzyl bridge, with a molecular weight of 324.3 g/mol. It is classified as hazardous due to its potential for causing serious eye damage, skin sensitization, and specific target organ toxicity.

What are the physicochemical properties of 3-methyl-1-[[3-[(3-methyl-2,5-dioxopyrrol-1-yl)methyl]phenyl]methyl]pyrrole-2,5-dione?

This compound is a solid organic substance with a molecular weight of 324.3 g/mol and formula C18H16N2O4. The presence of multiple carbonyl groups and aromatic rings suggests limited water solubility and potential for crystalline structure. The compound contains nitrogen-containing heterocycles (pyrrole rings) which may influence its color and stability. Specific physical parameters such as melting point, boiling point, and exact solubility data would require detailed analytical characterization.

What is 3-methyl-1-[[3-[(3-methyl-2,5-dioxopyrrol-1-yl)methyl]phenyl]methyl]pyrrole-2,5-dione used for?

This compound is typically used as a chemical intermediate in organic synthesis and pharmaceutical research applications. Its bis-maleimide structure suggests potential applications in polymer chemistry, cross-linking reactions, or as a building block for more complex molecules. The compound may also serve specialized roles in materials science or as a research chemical for academic and industrial laboratories developing new synthetic methodologies or studying heterocyclic chemistry.

How to safely handle 3-methyl-1-[[3-[(3-methyl-2,5-dioxopyrrol-1-yl)methyl]phenyl]methyl]pyrrole-2,5-dione?

Safe handling requires comprehensive personal protective equipment including chemical-resistant gloves, safety goggles, and respiratory protection due to its Eye Dam. 1 and Skin Sens. 1 classifications. Work must be conducted in well-ventilated areas or under fume extraction to prevent inhalation exposure. Avoid direct skin and eye contact, and ensure immediate access to emergency eyewash stations. Personnel should be trained in hazard recognition and emergency procedures before handling this substance.

How to properly store 3-methyl-1-[[3-[(3-methyl-2,5-dioxopyrrol-1-yl)methyl]phenyl]methyl]pyrrole-2,5-dione?

Proper storage requires a cool, dry, well-ventilated area away from incompatible materials and ignition sources. The compound should be kept in tightly sealed, labeled containers made of compatible materials to prevent contamination and degradation. Storage areas must be equipped with appropriate containment measures and emergency equipment. Access should be restricted to trained personnel, and inventory records maintained according to local regulations for hazardous chemicals.

What to do in case of contact with 3-methyl-1-[[3-[(3-methyl-2,5-dioxopyrrol-1-yl)methyl]phenyl]methyl]pyrrole-2,5-dione?

Immediate action is critical due to the Eye Dam. 1 classification: for eye contact, rinse continuously with water for at least 15 minutes and seek immediate medical attention. For skin contact, remove contaminated clothing and wash affected area thoroughly with soap and water. If inhaled, move to fresh air immediately. For ingestion, do not induce vomiting and seek medical attention. Always consult the safety data sheet and contact emergency services when necessary.

How to properly dispose of 3-methyl-1-[[3-[(3-methyl-2,5-dioxopyrrol-1-yl)methyl]phenyl]methyl]pyrrole-2,5-dione?

Disposal must comply with local, national, and EU waste regulations as this compound is classified as hazardous waste. The substance requires treatment at authorized hazardous waste facilities and cannot be disposed of through normal waste streams. Contaminated containers, clothing, and cleanup materials must also be treated as hazardous waste. Consult local environmental authorities and certified waste management companies for proper disposal procedures and documentation requirements.

How to transport 3-methyl-1-[[3-[(3-methyl-2,5-dioxopyrrol-1-yl)methyl]phenyl]methyl]pyrrole-2,5-dione?

Transportation is regulated under ADR Class 9 (Miscellaneous Dangerous Goods), Packing Group III, indicating moderate hazard level during transport. Packages must be properly labeled with appropriate hazard symbols and shipping documentation completed according to dangerous goods regulations. Only certified carriers qualified for hazardous materials transport should handle shipments. Proper packaging, labeling, and documentation are essential for legal and safe transportation across European borders.

Is 3-methyl-1-[[3-[(3-methyl-2,5-dioxopyrrol-1-yl)methyl]phenyl]methyl]pyrrole-2,5-dione subject to specific regulations?

This substance is subject to EU REACH and CLP regulations requiring registration, classification, and hazard communication. While not currently listed as an SVHC, its hazard classifications require compliance with workplace safety directives and environmental protection measures. Users must maintain safety data sheets, implement risk management measures, and report uses according to REACH requirements. National regulations may impose additional restrictions on handling, storage, and use of this classified hazardous substance.

Where to buy 3-methyl-1-[[3-[(3-methyl-2,5-dioxopyrrol-1-yl)methyl]phenyl]methyl]pyrrole-2,5-dione in Europe?

OYSI is a trusted European distributor specializing in technical chemicals and can supply this compound to qualified industrial and research customers. As an established chemical distributor, OYSI ensures proper handling, documentation, and regulatory compliance for hazardous substances. Professional customers requiring this specialized chemical intermediate should contact OYSI directly to discuss availability, technical specifications, packaging options, and delivery arrangements throughout Europe while ensuring all safety and regulatory requirements are met.

Services for 3-methyl-1-[[3-[(3-methyl-2,5-dioxopyrrol-1-yl)methyl]phenyl]methyl]pyrrole-2,5-dione

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3-methyl-1-[[3-[(3-methyl-2,5-dioxopyrrol-1-yl)methyl]phenyl]methyl]pyrrole-2,5-dione 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.