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Pigment Red 254

Pigment Red 254 structure

CAS No.: 84632-65-5

Chemical Name:: Pigment Red 254

Synonyms: Paintco red 254;3,6-Bis(4-chlorophenyl)pyrrolo[3,4-c]pyrrole-1,4(2H,5H)-dione;DPP RED;254hong;P-red 254;C.I. 56110;PR254 DPP RED;PIGMENT RED 254;C.I.Pigmentred254;PIGMENT RED 2254

CBNumber:: CB1323591

Molecular Formula:: C18H10Cl2N2O2

Molecular Weight:: 357.19

MDL Number:: MFCD01941106

MOL File:: 84632-65-5.mol

MSDS File:: SDS

TDS File:: TDS

Last updated:2026-06-24 18:39:39

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Pigment Red 254 Properties

Boiling point	672.5±55.0 °C(Predicted)
Density	1.57
storage temp.	Sealed in dry,Room Temperature
solubility	10 in mg/100g standard fat at 20 ℃
Colour Index	56110
pka	8.46±0.60(Predicted)
form	powder to crystaline
color	Red to Dark red to Brown
Water Solubility	400-30000ng/L at 20-23℃
Henry's Law Constant	3.4×10⁹ mol/(m³Pa) at 25℃, Zhang et al. (2010)
InChI	InChI=1S/C18H10Cl2N2O2/c19-11-5-1-9(2-6-11)15-13-14(18(24)21-15)16(22-17(13)23)10-3-7-12(20)8-4-10/h1-8H,(H,21,24)(H,22,23)
InChIKey	JNNHVXMCVRYTTN-UHFFFAOYSA-N
SMILES	N1C(C2=CC=C(Cl)C=C2)=C2C(=O)NC(C3=CC=C(Cl)C=C3)=C2C1=O
LogP	2.4-3 at 20℃
FDA 21 CFR	178.3297
Indirect Additives used in Food Contact Substances	3,6-BIS(4-CHLOROPHENYL)-2,5-DIHYDROPYRROLO(3,4-C)PYRROLE-1,4-DIONE
CAS DataBase Reference	84632-65-5(CAS DataBase Reference)
FDA UNII	WGL0620LJ9
EPA Substance Registry System	Pyrrolo[3,4-c]pyrrole-1,4-dione, 3,6-bis(4-chlorophenyl)-2,5-dihydro- (84632-65-5)

SAFETY

Risk and Safety Statements

TSCA	TSCA listed
HS Code	2933.99.8290
REACH Registrations	Active

Pigment Red 254 price More Price(21)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
TCI Chemical	P1676	Pigment Red 254	84632-65-5	25g	$78	2026-04-30	Buy
Biosynth	FP41758	Pigment Red 254	84632-65-5	250g	$220	2026-06-04	Buy
Biosynth	FP41758	Pigment Red 254	84632-65-5	500g	$335	2026-06-04	Buy
Biosynth	FP41758	Pigment Red 254	84632-65-5	1000g	$450	2026-06-04	Buy
Biosynth	FP41758	Pigment Red 254	84632-65-5	2000g	$780	2026-06-04	Buy

Product number	Packaging	Price	Buy
P1676	25g	$78	Buy
FP41758	250g	$220	Buy
FP41758	500g	$335	Buy
FP41758	1000g	$450	Buy
FP41758	2000g	$780	Buy

Pigment Red 254 Chemical Properties,Uses,Production

Chemical Properties

Pigment Red 254 (PR 254) is a high-performance organic pigment, a dye and a pigment, is divided into two kinds of yellow light and blue light color pigment, bright color, strong coloring power, excellent dispersion, and at the same time has excellent solvent resistance, light fastness up to grade 8, temperature resistance of 300 degrees. Its chemical structure is stable, not easy to decompose, can keep the bright red color for a long time, the main component is amino acid silver salt, has good light resistance and weather resistance.

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.

Properties and Applications

TEST ITEMS	SPECIFICATION
APPEARANCE	RED POWDER
SHADE	CLOSE TO CIBA BO,OPAQUE
HEAT RESISTANCE	300 °C min
LIGHT FASTNESS	8
ACID RESISTANCE	5
ALKALI RESISTANCE	5
FASTNESS TO BLEEDING	5
OIL ABSORPTION	40-50%
SPECIFIC SURFACE	28 m ² /g
DENSITY	1.60 g/cm ³
RESIDUE ON 80 MESH	5.0% max
WATER SOLUBLE	1.0% max
VOLATITE 105 °C	1.0% max
TINTING STRENGTH	100-105 %

Toxics Screening Level

The initial threshold screening level (ITSL) for pyrrolo pyrrole is 0.1 μg/m3 based on an annual averaging time.

Pigment Red 254 synthesis

Synthesis of Pigment Red 254 from 4-Chlorobenzonitrile and Diethyl succinate

Pigment Red 254 Preparation Products And Raw materials

Raw materials

Preparation Products

3-[4-(4-Chlorophenyl)-2,3,5,6-tetrahydro-3,6-dioxopyrrolo[3,4-c]pyrrol-1-yl]-N-[3-(dimethylamino)propyl]benzamide Pyrrolo3,4-cpyrrole-1,4-dione, 3,6-bis(1,1-biphenyl-4-yl)-2,5-dihydro-

Pigment Red 254 Suppliers

Global( 200)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
J & K SCIENTIFIC LTD.	18210857532 18210857532	jkinfo@jkchemical.com	China	96815	76
TCI (Shanghai) Development Co., Ltd.	021-67121386	Sales-CN@TCIchemicals.com	China	24512	81
Energy Chemical	400-0056266	sales8178@energy-chemical.com	China	44850	61
Winchem Industrial Co. Ltd	0574-83851061	info@win-chemical.com	China	500	55
Maya High Purity Chemicals	+86 (573) 82222445 (0)18006601000 452520369	sales@maya-r.com	China	11693	57
Jiangsu Aikon Biopharmaceutical R&D co.,Ltd.	025-66113011 13913916777	cfzhang@aikonchem.com	China	19902	55
TOKYO CHEMICAL INDUSTRY CO., LTD.	03-36680489	Sales-JP@TCIchemicals.com	Japan	28364	80
TCI AMERICA	800-4238616	sales@tciamerica.com	Americas	23636	75
9ding chemical ( Shanghai) Limited	4009209199	sales@9dingchem.com	China	22497	55
Chemwill Asia Co.,Ltd.	86-21-51086038		China	2928	58

Supplier	Advantage
J & K SCIENTIFIC LTD.	76
TCI (Shanghai) Development Co., Ltd.	81
Energy Chemical	61
Winchem Industrial Co. Ltd	55
Maya High Purity Chemicals	57
Jiangsu Aikon Biopharmaceutical R&D co.,Ltd.	55
TOKYO CHEMICAL INDUSTRY CO., LTD.	80
TCI AMERICA	75
9ding chemical ( Shanghai) Limited	55
Chemwill Asia Co.,Ltd.	58

View Lastest Price from Pigment Red 254 manufacturers

Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
2026-09-11	Pigment Red 254 84632-65-5		25kg	1	20mt	Winchem industrial co limited
2021-08-12	Pigment Red 254 84632-65-5	$10.00-15.00	1KG	99%+ HPLC		Zhuozhou Wenxi import and Export Co., Ltd
2020-01-13	Pigment Red 254 84632-65-5	$1.00	1KG	98%-99.9%	100kg	Career Henan Chemical Co

Pigment Red 254
84632-65-5
$0.00
1
Winchem industrial co limited

Pigment Red 254
84632-65-5
$10.00-15.00
99%+ HPLC
Zhuozhou Wenxi import and Export Co., Ltd

Pigment Red 254
84632-65-5
$1.00
98%-99.9%
Career Henan Chemical Co

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Paintco red 254 2,5-Dihydro-3,6-bis(4-chlorophenyl)pyrrolo[3,4-c]pyrrole-1,4-dione 3,6-Bis(4-chlorophenyl)-1,2,4,5-tetrahydro-2,5-diazapentalene-1,4-dione 3,6-Bis(4-chlorophenyl)pyrrolo[3,4-c]pyrrole-1(2H),4(5H)-dione PIGMENT RED 2254 CROMOPHTAL DPP RED BPN C.I. 56110 3,6-BIS(4-CHLOROPHENYL)-2,5-DIHYDROPYRROLO[3,4-C]PYRROLE-1,4-DIONE Pigment red 254 (C.I. 56110) PIGMENT RED 254 4-c]pyrrole-1,4-dione,3,6-bis(4-chlorophenyl)-2,5-dihydro-pyrrolo[ 4-c]pyrrole-1,4-dione,3,6-bis(4-chlorophenyl)-2,5-dihydro-Pyrrolo[3 C.I.Pigmentred254 PR254 DPP RED Pyrrolo3,4-cpyrrole-1,4-dione, 3,6-bis(4-chlorophenyl)-2,5-dihydro- DPP RED C.I. Pigment red 254 4-c]pyrrole-1,4-dione, 3,6-bis(4-chlorophenyl)-2,5-dihydro-pyrrolo[ 4-c]pyrrole-1,4-dione,3,6-bis(4-chlorophenyl)-2,5-dihydro-pyrrolo[ Pyrrolo[3,4-c]pyrrole-1,4-dione,3,6-bis(4-chlorophenyl)-2,5-dihydro- 254hong Pigment Red 254,>98% 3,6-Bis(4-chlorophenyl)-2,5-dihydropyrrole[3,4-C]pyrrole-1,4-dione Organic pigment powder hostaperm red d3g70 P-red 254 3,6-Bis(4-chlorophenyl)pyrrolo[3,4-c]pyrrole-1,4(2H,5H)-dione 3,6-Bis(4-chlorophenyl)pyrrolo[3,4-c]pyrrole-1,4(2H,5H)-dione (Technical Grade) 84632-65-5 C18H10Cl2N2O2