Pigment red 254

Base Information

• Chemical Name: Pigment red 254
• CAS No.: 84632-65-5
• Molecular Formula: C18H10Cl2N2O2
• Molecular Weight: 357.196
• Hs Code.: 2933990090
• Mol file: 84632-65-5.mol

Synonyms:IrgaphorRed B-CF;Irgaphor Red BK-CF;Irgaphor Red BT-CF;Irgazin DPP Red 2030;IrgazinDPP Red BO;Irgazin DPP Red BOX;Irgazin DPP Red BTR;Irgazin Red 2030;IrgazinRed BO;Irgazin Red BOX;Irgazin Red DPP-BO;Microlen DPP RED BP;Microlith DPPRed B-K;PR 254;Pyrrolo[3,4-c]pyrrole-1,4-dione,3,6-bis(4-chlorophenyl)-2,5-dihydro-;RT 107;Red BT-CF;Xfast Red 3860;1,4-Diketo-3,6-bis(4-chlorophenyl)pyrrolo[3,4-c]pyrrole;3,6-Bis(4-chlorophenyl)-2,5-dihydropyrrolo[3,4-c]pyrrole-1,4-dione;C.I. 56110;C.I. Pigment Red 254;CFP-FF 449R;Cromophtal DPP Red BO;Cromophtal DPP RedBOC;Cromophtal Red 2028;Cromophtal Red 2030;Cromophtal RedBP;DPP Red BO;DPP Red BOC;DPP Red BTR;Fastogen SuperRed 254-226-0200;Irgaphor BK-CF;Irgaphor BT-CF;Irgaphor Red 2030;

Chemical Property of Pigment red 254

Chemical Property:

• Appearance/Colour: red powder
• Vapor Pressure: 6.05E-18mmHg at 25°C
• Refractive Index: 1.732
• Boiling Point: 672.5 °C at 760 mmHg
• PKA: 8.46±0.60(Predicted)
• Flash Point: 360.5 °C
• PSA: 65.72000
• Density: 1.57 g/cm³
• LogP: 4.24660
• Storage Temp.: Sealed in dry,Room Temperature
• Solubility.: 10 in mg/100g standard fat at 20 ℃
• Water Solubility.: 400-30000ng/L at 20-23℃

Purity/Quality:

98%,99%, ^*data from raw suppliers

3,6-Bis(4-chlorophenyl)pyrrolo[3,4-c]pyrrole-1,4(2H,5H)-dione ^*data from reagent suppliers

Safty Information:

• Pictogram(s): Xi
• Hazard Codes: Xi

MSDS Files:

SDS file from LookChem

Total 1 MSDS from other Authors

Useful:

• Uses: 3,6-Bis(4-chlorophenyl)pyrrolo[3,4-c]pyrrole-1,4(2H,5H)-dione is Pigment Red 254; used in preparation method of high-performance polyurethane waterborne waterproof coating.

Technology Process of Pigment red 254

There total 17 articles about Pigment red 254 which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 98.0%

Na2[(4-Cl-Ph)2diketopyrrolopyrrol] → 3,6-bis(4-chlorophenyl)-2,5-dihydro-1,4-diketopyrrolo[3,4-c]pyrrole (84632-65-5,122390-98-1)

Guidance literature:

With water; at 80 - 95 ℃; for 2h;

Reference yield: 88.0%

4-Cyanochlorobenzene (623-03-0) + diisopropyl succinate (924-88-9) → 3,6-bis(4-chlorophenyl)-2,5-dihydro-1,4-diketopyrrolo[3,4-c]pyrrole (84632-65-5,122390-98-1)

Guidance literature:

With potassium tert-butylate; 2-phthalimidomethyl quinacridone; In tert-Amyl alcohol; at 95 ℃; for 2.5h; Heating / reflux;

Reference yield: 81.0%

4-Cyanochlorobenzene (623-03-0) + succinic acid diethyl ester (123-25-1) → 3,6-bis(4-chlorophenyl)-2,5-dihydro-1,4-diketopyrrolo[3,4-c]pyrrole (84632-65-5,122390-98-1)

Guidance literature:

4-Cyanochlorobenzene; With sodium tert-pentoxide; In tert-Amyl alcohol; at 90 ℃; for 0.0833333h;

With 1-butyl-3-methylimidazolium Tetrafluoroborate; In tert-Amyl alcohol; for 0.166667h;

succinic acid diethyl ester; In tert-Amyl alcohol; at 30 ℃; for 14h; Reagent/catalyst; Temperature; Solvent;

DOI:10.2174/1570178611310020012

upstream raw materials:

4-Cyanochlorobenzene

diisopropyl succinate

benzonitrile

4-n-octadecylthiobenzonitrile

Downstream raw materials:

C₂₀H₁₄Cl₂N₂O₂

C₂₂H₁₈Cl₂N₂O₂

C₂₅H₂₄Cl₂N₂O₂

C₂₃H₂₀Cl₂N₂O₂

Refernces

• 1、 -. "Sugar molecules coupled diketopyrrolo pyrrole compound and its preparation method". Paragraph 0043-0044; 0055-0060. . Retrieved 2019/10/29.
• 2、 -. "Application of sugar molecule coupled diketone pyrrolo-pyrrole compound in preparing red pigment for plastic, red pigment for plastic and preparation method". Paragraph 0090; 0095; 0096. . Retrieved 2018/03/26.