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 maleimide family, characterized by its dual pyrrole-2,5-dione functional groups connected through a meta-substituted benzyl bridge. With a molecular formula of C18H16N2O4 and molecular weight of 324.3 g/mol, this bis-maleimide derivative exhibits distinctive chemical reactivity patterns that make it valuable in advanced material applications. The compound's structure features two 3-methyl-substituted maleimide rings, which provide enhanced thermal properties compared to unsubstituted variants. The substance presents significant safety considerations requiring careful handling protocols. Classified under multiple hazard categories including STOT RE 2, Eye Dam. 1, Skin Sens. 1, and aquatic toxicity classifications (Acute 1, Chronic 1), it demands appropriate personal protective equipment and environmental safeguards. The GHS08, GHS05, GHS07, and GHS09 pictograms reflect its potential for serious health effects, eye damage, sensitization, and environmental impact. As an ADR Class 9 material, special transport regulations apply for safe logistics management. Industrial applications primarily focus on high-performance polymer systems, particularly in aerospace and electronics industries where thermal stability and mechanical properties are critical. The compound serves as a cross-linking agent in advanced composite materials and specialized adhesive formulations. Its reactivity profile differs from related compounds such as bis(8-(dimethylamino)-3-methyl-10-phenylphenazin-10-ium-2-ol);sulfate, offering unique processing characteristics for demanding applications. OYSI maintains reliable supply chains for this technical grade material, supporting European industrial customers with consistent quality and regulatory compliance documentation.

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 the molecular formula C18H16N2O4 and CAS number 119462-56-5. This substance has a molecular weight of 324.3 g/mol and belongs to the pyrrole derivative family. It is classified as hazardous with multiple safety concerns including eye damage, skin sensitization, specific target organ toxicity, and aquatic toxicity, requiring careful handling in industrial applications.

What are the physicochemical properties of 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 a solid organic compound with a molecular weight of 324.3 g/mol and molecular formula C18H16N2O4. As a pyrrole derivative containing multiple functional groups including dioxo groups and aromatic rings, it exhibits specific chemical reactivity patterns. Detailed physical properties such as melting point, solubility, and appearance should be confirmed through technical specifications and safety data sheets for specific applications.

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

3-methyl-1-[[3-[(3-methyl-2,5-dioxopyrrol-1-yl)methyl]phenyl]methyl]pyrrole-2,5-dione is primarily used as a chemical intermediate in pharmaceutical and fine chemical synthesis. Its pyrrole structure makes it valuable for developing pharmaceutical compounds, agrochemical products, and specialty chemicals. The compound may also serve as a building block for polymer chemistry applications and materials science research, where its unique molecular structure contributes to specific functional properties.

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

3-methyl-1-[[3-[(3-methyl-2,5-dioxopyrrol-1-yl)methyl]phenyl]methyl]pyrrole-2,5-dione requires strict safety measures due to its classification as Eye Dam. 1 and Skin Sens. 1. Essential protective equipment includes chemical-resistant gloves, safety goggles or face shield, and protective clothing. Work in well-ventilated areas or under fume extraction systems. Avoid skin and eye contact completely. Use only trained personnel for handling operations and ensure emergency eyewash stations are readily accessible.

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

3-methyl-1-[[3-[(3-methyl-2,5-dioxopyrrol-1-yl)methyl]phenyl]methyl]pyrrole-2,5-dione should be stored in a cool, dry place away from incompatible materials and ignition sources. Keep containers tightly closed and properly labeled in accordance with GHS requirements. Store in designated chemical storage areas with appropriate ventilation and spill containment measures. Due to its aquatic toxicity classification, prevent environmental release and maintain separation from drainage systems. Regular inspection of storage containers is recommended.

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 required for any contact with 3-methyl-1-[[3-[(3-methyl-2,5-dioxopyrrol-1-yl)methyl]phenyl]methyl]pyrrole-2,5-dione due to its Eye Dam. 1 classification. For eye contact, rinse immediately with water for at least 15 minutes and seek medical attention urgently. For skin contact, wash thoroughly with soap and water, remove contaminated clothing. If inhaled, move to fresh air immediately. Seek medical advice in all exposure cases and provide the safety data sheet to medical personnel.

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

3-methyl-1-[[3-[(3-methyl-2,5-dioxopyrrol-1-yl)methyl]phenyl]methyl]pyrrole-2,5-dione must be disposed of as hazardous chemical waste due to its aquatic toxicity and health hazard classifications. Contact licensed hazardous waste disposal companies for proper treatment and disposal. Never discharge to sewers, waterways, or soil due to environmental toxicity concerns. Follow local and national regulations for hazardous waste management. Ensure proper documentation and waste tracking as required by applicable environmental regulations.

How to transport 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 classified as ADR Class 9 (Miscellaneous dangerous substances), Packing Group III for transportation. This classification requires appropriate packaging, labeling, and documentation according to dangerous goods regulations. Transport must comply with ADR/RID for road/rail transport and IMDG for maritime transport. Proper shipping names, hazard labels, and emergency response information must accompany shipments. Use authorized carriers experienced with hazardous chemical transport.

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

3-methyl-1-[[3-[(3-methyl-2,5-dioxopyrrol-1-yl)methyl]phenyl]methyl]pyrrole-2,5-dione is subject to REACH regulation requiring registration for manufacture or import above specified tonnages. The substance is classified under CLP regulation with multiple hazard categories requiring appropriate labeling and safety data sheets. While not currently listed as SVHC, its hazardous properties require compliance with occupational health and environmental protection regulations. Users must implement risk management measures according to exposure scenarios and regulatory requirements.

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

3-methyl-1-[[3-[(3-methyl-2,5-dioxopyrrol-1-yl)methyl]phenyl]methyl]pyrrole-2,5-dione is available through OYSI, a specialized European distributor of technical chemicals and pharmaceutical intermediates. OYSI provides reliable supply chains for laboratory and industrial customers across Europe, ensuring proper handling, documentation, and regulatory compliance. Contact OYSI directly for availability, technical specifications, safety data sheets, and regulatory documentation. Professional chemical suppliers like OYSI ensure proper packaging and transport according to hazardous goods regulations.

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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.