120500-90-5

Basic information

• Product Name: Pigment Red 255
• Synonyms: pigment red 255;3,6-Diphenyl-2,5-dihydropyrrolo[3,4-c]pyrrole-1,4-dione;DPP Coral Red
• CAS NO: 120500-90-5
• Molecular Formula: C18H12N2O2
• Molecular Weight: 288.305
• Mol File: 120500-90-5.mol
• Article Data: 14

Chemical Properties

• Boiling Point: 643.1°C at 760 mmHg
• Flash Point: 262.7°C
• Appearance: /
• Density: 1.39g/cm³
• Vapor Pressure: 1.98E-16mmHg at 25°C
• Refractive Index: 1.721
• CAS DataBase Reference: Pigment Red 255(CAS DataBase Reference)
• NIST Chemistry Reference: Pigment Red 255(120500-90-5)
• EPA Substance Registry System: Pigment Red 255(120500-90-5)

Safety Data

• Hazardous Substances Data: 120500-90-5(Hazardous Substances Data)

Usage

General Description

Pigment Red 255, also known as PR255, is a bright red organic pigment commonly used in the manufacturing of paints, inks, and plastics. It is chemically classified as an azo pigment and is known for its high color strength and excellent lightfastness. PR255 is a popular choice for artists and manufacturers alike due to its vibrant and long-lasting red color. It is typically used in applications where a high degree of durability and resistance to fading is required, such as in automotive coatings, industrial paints, and outdoor plastics. Additionally, PR255 is often used in mixtures with other pigments to create a wide range of shades and hues. Overall, Pigment Red 255 is a versatile and durable red pigment with wide-ranging applications in various industries.

InChI:InChI=1/C18H12N2O2/c21-17-13-14(16(20-17)12-9-5-2-6-10-12)18(22)19-15(13)11-7-3-1-4-8-11/h1-10H,(H,19,22)(H,20,21)

Upstream product

• 1727-93-1 7-oxabicyclo[2.2.1]hept-5-ene-2-carbonitrile 
• 105194-22-7 2,3-dihydro-2-oxo 5-phenyl-1H-pyrrole-4-carboxylic acid ethyl ester 
• 100-47-0 benzonitrile 
• 106-65-0 Dimethyl succinate 
• 529-19-1 2-Methylbenzonitrile 
• 123-25-1 succinic acid diethyl ester 
• 926-26-1 di-tert-Butyl succinate 
• 623-03-0 4-Cyanochlorobenzene 
• 924-88-9 diisopropyl succinate 
• 19429-87-9 α,α-diethoxy-N,N-dimethylbenzenemethanamine 
• 10539-50-1 diethyl 2-benzoylsuccinate 
• 104-85-8 para-methylbenzonitrile 
• 108472-45-3 N,N'-Bis-[1-dimethylamino-1-phenyl-meth-(E)-ylidene]-succinamide 
• 110-14-5 butanediamide 

Downstream Products

• 96159-17-0 1,4-diketo-2,5-dimethyl-3,6-diphenylpyrrolo[3,4-c]pyrrole 
• 108472-48-6 2-Cyano-3-[4-(2,2-dicyano-1-ethylsulfanyl-vinyl)-2-ethylsulfanyl-5-phenyl-1H-pyrrol-3-yl]-3-phenyl-acrylonitrile 
• 108472-47-5 2-(1,4-Bis-ethylsulfanyl-3,6-diphenyl-1,5-dihydro-pyrrolo[3,4-c]pyrrol-1-yl)-malononitrile 
• 108472-46-4 2,5-Dibenzyl-3,6-diphenyl-2,5-dihydro-pyrrolo[3,4-c]pyrrole-1,4-dithione 
• 108472-42-0 2-(4-Ethylsulfanyl-3,6-diphenyl-5H-pyrrolo[3,4-c]pyrrol-1-ylidene)-malononitrile 
• 108472-40-8 1,4-Bis-ethylsulfanyl-3,6-diphenyl-pyrrolo[3,4-c]pyrrole 

Relevant articles and documents

Diketopyrrolopyrrole Bis-Phosphonate Conjugate: A New Fluorescent Probe for In Vitro Bone Imaging

The synthesis of a conjugate molecule between an unusual red-fluorescent diketopyrrolopyrrole (DPP) unit and a bis-phosphonate (BP) precursor by a click-chemistry strategy to target bone tissue and monitor the interaction is reported. After thorough investigation, conjugation through a triazole unit between a γ-azido rather than a β-azido BP and an alkyne-functionalized DPP fluorophore group turned out to be the winning strategy. Visualization of the DPP-BP conjugate on osteoclasts and specific antiresorption activity were successfully demonstrated.

A Thienyl-Substituted Diketopyrrolopyrrole Derivative with Efficient Reactive Oxygen Species Generation for Photodynamic Therapy

Reducing the energy gap of photosensitizer between singlet and triplet states (ΔEST) can improve the efficiency of intersystem crossing, further enhancing the resulting generation of reactive oxygen species for photodynamic therapy. In this study, two photosensitizer chromophores—phenyl-substituted diketopyrrolopyrrole and thienyl-substituted diketopyrrolopyrrole (TDPP)—were synthesized. Theoretical calculations indicate that TDPP can greatly reduce the ΔEST (0.48 eV) relative to that of diketopyrrolopyrrole (0.66 eV). Experiments confirmed that TDPP generates reactive oxygen species more efficiently than diketopyrrolopyrrole. After conjugation of TDPP with methoxy poly(ethylene glycol)carboxyl (mPEG-COOH), the resulting TDPP-mPEG has excellent water solubility, biocompatibility and photostability. When it serves as photosensitizer for photodynamic therapy, in vitro and in vivo measurements indicate that TDPP-mPEG can effectively inhibit tumor growth and shows great potential for the treatment of cancer in the clinic.

Fluorine Directed Two-Dimensional Cruciform π-π Stacking in Diketopyrrolopyrroles

Enhanced bulk dimensionality in organic materials employed in optoelectronic devices is desirable and can overcome fabrication issues related to structural defects and grain boundaries. Herein, we report a novel fluorinated diketopyrrolopyrrole single cry