ChemicalBook >> CAS DataBase List >>Pigment Red 21

Pigment Red 21

CAS No.
6410-26-0
Chemical Name:
Pigment Red 21
Synonyms
C.I.P.R21;dahongfen;C.I. 12300;yanliaohong;dahongfen808;808dahongfen;Sodiumscarlet;NAPTHOL RED YR;pigment red 21;Einecs 229-096-4
CBNumber:
CB3854884
Molecular Formula:
C23H16ClN3O2
Molecular Weight:
401.85
MDL Number:
MFCD00517153
MOL File:
6410-26-0.mol
MSDS File:
SDS
Last updated:2025-12-31 14:38:37
Product description Number Pack Size Price
PigmentRed21 P437755 250mg $45
4-((2-Chlorophenyl)diazenyl)-3-hydroxy-N-phenyl-2-naphthamide 95+% 098854 1g $76
4-((2-Chlorophenyl)diazenyl)-3-hydroxy-N-phenyl-2-naphthamide 95+% 098854 5g $202
PigmentRed21,tech. O852 25g $227
4-((2-Chlorophenyl)diazenyl)-3-hydroxy-N-phenyl-2-naphthamide 95+% 098854 10g $315
More product size

Pigment Red 21 Properties

Boiling point 566.1±50.0 °C(Predicted)
Density 1.31
pka 10.63±0.50(Predicted)
CAS DataBase Reference 6410-26-0(CAS DataBase Reference)
EPA Substance Registry System 2-Naphthalenecarboxamide, 4-[(2-chlorophenyl)azo]-3-hydroxy-N-phenyl- (6410-26-0)

SAFETY

Risk and Safety Statements

TSCA  TSCA listed

Pigment Red 21 price

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
TRC P437755 PigmentRed21 6410-26-0 250mg $45 2021-12-16 Buy
Matrix Scientific 098854 4-((2-Chlorophenyl)diazenyl)-3-hydroxy-N-phenyl-2-naphthamide 95+% 6410-26-0 1g $76 2021-12-16 Buy
Matrix Scientific 098854 4-((2-Chlorophenyl)diazenyl)-3-hydroxy-N-phenyl-2-naphthamide 95+% 6410-26-0 5g $202 2021-12-16 Buy
AK Scientific O852 PigmentRed21,tech. 6410-26-0 25g $227 2021-12-16 Buy
Matrix Scientific 098854 4-((2-Chlorophenyl)diazenyl)-3-hydroxy-N-phenyl-2-naphthamide 95+% 6410-26-0 10g $315 2021-12-16 Buy
Product number Packaging Price Buy
P437755 250mg $45 Buy
098854 1g $76 Buy
098854 5g $202 Buy
O852 25g $227 Buy
098854 10g $315 Buy

Pigment Red 21 Chemical Properties,Uses,Production

Uses

Pigment red 21 is a multifunctional dye. Dyes are important tools in biological experiments. They can help researchers observe and analyze cell structures, track biomolecules, evaluate cell functions, distinguish cell types, detect biomolecules, study tissue pathology and monitor microorganisms. Their applications range from basic scientific research to clinical A wide range of diagnostics. Dyes are also widely used in traditional fields such as textile dyeing, as well as in emerging fields such as functional textile processing, food pigments and dye-sensitized solar cells.

References

[1] Sultana M, et al. A review on experimental chemically modified activated carbon to enhance dye and heavy metals adsorption[J]. Cleaner engineering and technology, 2022, 6: 100382.

Global( 113)Suppliers
Supplier Tel Email Country ProdList Advantage
career henan chemical co
+86-0371-86658258 +8613203830695 sales@coreychem.com China 29838 58
Hubei xin bonus chemical co. LTD
86-13657291602 linda@hubeijusheng.com CHINA 22963 58
Winchem industrial co limited
+8613003762012 info@win-chemical.com China 300 58
CONIER CHEM AND PHARMA LIMITED
+8618523575427 sales@conier.com China 49977 58
Hefei TNJ Chemical Industry Co.,Ltd.
+86-0551-65418671 +8618949823763 sales@tnjchem.com China 34563 58
AFINE CHEMICALS LIMITED
+86-0571-85134551 sales@afinechem.com China 15088 58
SUZHOU SENFEIDA CHEMICAL CO.,LTD
+86-0512-83500002 +8618662433356 3899766280@qq.com China 26362 58
Henan Fengda Chemical Co., Ltd
+86-371-86557731 +86-13613820652 info@fdachem.com China 20129 58
Aladdin Scientific
tp@aladdinsci.com United States 57505 58
Hebei Chuanghai Biotechnology Co., Ltd
+86-15350571055 Sibel@chuanghaibio.com China 6085 58

View Lastest Price from Pigment Red 21 manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
Pigment Red 21 pictures 2019-07-06 Pigment Red 21
6410-26-0
US $1.00 / KG 1KG 98%-100% 1 Career Henan Chemical Co
2-Naphthalenecarboxamide, 4-((2-chlorophenyl)azo)-3-hydroxy-N-phenyl- 2-Naphthalenecarboxamide, 4-(2-(2-chlorophenyl)diazenyl)-3-hydroxy-N-phenyl- Einecs 229-096-4 4-((2-Chlorophenyl)diazenyl)-3-hydroxy-N-phenyl-2-naphthamide 4-[(2-chlorophenyl)azo]-3-hydroxy-n-phenyl-2-naphthalenecarboxamide 4-[(2-Chlorophenyl)azo]-3-hydroxy-N-phenylnaphthalene-2-carboxamide C.I. 12300 pigment red 21 NAPTHOL RED YR Pigment -- Pigment Red 21 Pigment red 21 (C.I. 12300) Pigment Fast Scarlet 2R 3132 Fast Red 2R Pigment Scarlet Powder C.I.P.R21 dahongfen808 4-(2-chloro-phenylazo)-3-hydroxy-[2]naphthoic acid anilide dahongfen 808dahongfen yanliaohong Diuron Impurity11 (Neburon) Sodiumscarlet 6410-26-0 410-26-0 C23H16ClN3O2