Pigment Red 3
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- $11 - $625
- Product name: Pigment Red 3
- CAS: 2425-85-6
- MF: C17H13N3O3
- MW: 307.3
- EINECS:219-372-2
- MDL Number:MFCD00003910
- Synonyms:((4-Methyl-2-nitrophenyl)azo)-2-naphthol;1-((2-nitro-4-methylphenyl)azo)-2-naphthol ;adctoluidineredb ;atlasolspiritred3 ;Basoflex Red 361;C.I. Pigment Red 3;C.I.Pigmentred3 ;C.I.PigmentRed3(12120)
25 prices
Selected condition:
Brand
- AHH
- AK Scientific
- American Custom Chemicals Corporation
- Arctom
- BLDpharm
- Chem-Impex
- Medical Isotopes, Inc.
- Sigma-Aldrich
- TRC
- Usbiological
Package
- 5MG
- 1g
- 2g
- 5g
- 25g
- 100g
- 500g
- ManufacturerAHH
- Product numberMT-18335
- Product description1-(4-Methyl-2-nitrophenylazo)-2-naphthol 99%
- Packaging500g
- Price$615
- Updated2021-12-16
- Buy
- ManufacturerAHH
- Product numberMT-18335
- Product description1-(4-Methyl-2-nitrophenylazo)-2-naphthol 97%
- Packaging500g
- Price$615
- Updated2026-05-25
- Buy
- ManufacturerAHH
- Product numberMT-18335
- Product description1-(4-Methyl-2-nitrophenylazo)-2-naphthol 97%
- Packaging500g
- Price$615
- Updated2026-05-26
- Buy
- ManufacturerAK Scientific
- Product numberN933
- Product descriptionToluidine Red
- Packaging25g
- Price$264
- Updated2021-12-16
- Buy
- ManufacturerAmerican Custom Chemicals Corporation
- Product numberDYE0000613
- Product descriptionPIGMENT RED 3 95.00%
- Packaging5MG
- Price$501.11
- Updated2021-12-16
- Buy
- ManufacturerArctom
- Product numberBD-A228221
- Product description1-((4-Methyl-2-nitrophenyl)diazenyl)naphthalen-2-ol 97%
- Packaging1g
- Price$17
- Updated2026-05-25
- Buy
- ManufacturerArctom
- Product numberBD-A228221
- Product description1-((4-Methyl-2-nitrophenyl)diazenyl)naphthalen-2-ol 97%
- Packaging1g
- Price$17
- Updated2026-05-26
- Buy
- ManufacturerArctom
- Product numberBD-A228221
- Product description1-((4-Methyl-2-nitrophenyl)diazenyl)naphthalen-2-ol 97%
- Packaging5g
- Price$35
- Updated2026-05-25
- Buy
- ManufacturerArctom
- Product numberBD-A228221
- Product description1-((4-Methyl-2-nitrophenyl)diazenyl)naphthalen-2-ol 97%
- Packaging5g
- Price$35
- Updated2026-05-26
- Buy
- ManufacturerArctom
- Product numberBD-A228221
- Product description1-((4-Methyl-2-nitrophenyl)diazenyl)naphthalen-2-ol 97%
- Packaging25g
- Price$79
- Updated2026-05-25
- Buy
- ManufacturerArctom
- Product numberBD-A228221
- Product description1-((4-Methyl-2-nitrophenyl)diazenyl)naphthalen-2-ol 97%
- Packaging25g
- Price$79
- Updated2026-05-26
- Buy
- ManufacturerArctom
- Product numberAS029488
- Product description1-((4-Methyl-2-nitrophenyl)diazenyl)naphthalen-2-ol
- Packaging5g
- Price$111
- Updated2021-12-16
- Buy
- ManufacturerArctom
- Product numberAS029488
- Product description1-((4-Methyl-2-nitrophenyl)diazenyl)naphthalen-2-ol
- Packaging25g
- Price$204
- Updated2021-12-16
- Buy
- ManufacturerArctom
- Product numberBD-A228221
- Product description1-((4-Methyl-2-nitrophenyl)diazenyl)naphthalen-2-ol 97%
- Packaging100g
- Price$237
- Updated2026-05-25
- Buy
- ManufacturerArctom
- Product numberBD-A228221
- Product description1-((4-Methyl-2-nitrophenyl)diazenyl)naphthalen-2-ol 97%
- Packaging100g
- Price$237
- Updated2026-05-26
- Buy
- ManufacturerBLDpharm
- Product numberBD16574
- Product description1-((4-Methyl-2-nitrophenyl)diazenyl)naphthalen-2-ol 97%
- Packaging1g
- Price$11
- Updated2021-12-16
- Buy
| Manufacturer | Product number | Product description | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|
| AHH | MT-18335 | 1-(4-Methyl-2-nitrophenylazo)-2-naphthol 99% | 500g | $615 | 2021-12-16 | Buy |
| AHH | MT-18335 | 1-(4-Methyl-2-nitrophenylazo)-2-naphthol 97% | 500g | $615 | 2026-05-25 | Buy |
| AHH | MT-18335 | 1-(4-Methyl-2-nitrophenylazo)-2-naphthol 97% | 500g | $615 | 2026-05-26 | Buy |
| AK Scientific | N933 | Toluidine Red | 25g | $264 | 2021-12-16 | Buy |
| American Custom Chemicals Corporation | DYE0000613 | PIGMENT RED 3 95.00% | 5MG | $501.11 | 2021-12-16 | Buy |
| Arctom | BD-A228221 | 1-((4-Methyl-2-nitrophenyl)diazenyl)naphthalen-2-ol 97% | 1g | $17 | 2026-05-25 | Buy |
| Arctom | BD-A228221 | 1-((4-Methyl-2-nitrophenyl)diazenyl)naphthalen-2-ol 97% | 1g | $17 | 2026-05-26 | Buy |
| Arctom | BD-A228221 | 1-((4-Methyl-2-nitrophenyl)diazenyl)naphthalen-2-ol 97% | 5g | $35 | 2026-05-25 | Buy |
| Arctom | BD-A228221 | 1-((4-Methyl-2-nitrophenyl)diazenyl)naphthalen-2-ol 97% | 5g | $35 | 2026-05-26 | Buy |
| Arctom | BD-A228221 | 1-((4-Methyl-2-nitrophenyl)diazenyl)naphthalen-2-ol 97% | 25g | $79 | 2026-05-25 | Buy |
| Arctom | BD-A228221 | 1-((4-Methyl-2-nitrophenyl)diazenyl)naphthalen-2-ol 97% | 25g | $79 | 2026-05-26 | Buy |
| Arctom | AS029488 | 1-((4-Methyl-2-nitrophenyl)diazenyl)naphthalen-2-ol | 5g | $111 | 2021-12-16 | Buy |
| Arctom | AS029488 | 1-((4-Methyl-2-nitrophenyl)diazenyl)naphthalen-2-ol | 25g | $204 | 2021-12-16 | Buy |
| Arctom | BD-A228221 | 1-((4-Methyl-2-nitrophenyl)diazenyl)naphthalen-2-ol 97% | 100g | $237 | 2026-05-25 | Buy |
| Arctom | BD-A228221 | 1-((4-Methyl-2-nitrophenyl)diazenyl)naphthalen-2-ol 97% | 100g | $237 | 2026-05-26 | Buy |
| BLDpharm | BD16574 | 1-((4-Methyl-2-nitrophenyl)diazenyl)naphthalen-2-ol 97% | 1g | $11 | 2021-12-16 | Buy |
Properties
Melting point :270-272 °C(lit.)
Boiling point :447.81°C (rough estimate)
Density :1.1873 (rough estimate)
refractive index :1.6500 (estimate)
solubility :Chloroform (Slightly, Heated), DMSO (Slightly), Toluene (Very Slightly)
Colour Index :12120
pka :13.45±0.50(Predicted)
Water Solubility :211μg/L at 20℃
Henry's Law Constant :8.2×106 mol/(m3Pa) at 25℃, HSDB (2015)
Stability :Stable. May be moisture sensitive. Incompatible with strong oxidizing agents.
Cosmetics Ingredients Functions :COLORANT
LogP :5.4 at 25℃
CAS DataBase Reference :2425-85-6(CAS DataBase Reference)
IARC :3 (Vol. 57) 1993
NIST Chemistry Reference :2-Naphthalenol, 1-[(4-methyl-2-nitrophenyl)azo]-(2425-85-6)
EPA Substance Registry System :C.I. Pigment Red 3 (2425-85-6)
Boiling point :447.81°C (rough estimate)
Density :1.1873 (rough estimate)
refractive index :1.6500 (estimate)
solubility :Chloroform (Slightly, Heated), DMSO (Slightly), Toluene (Very Slightly)
Colour Index :12120
pka :13.45±0.50(Predicted)
Water Solubility :211μg/L at 20℃
Henry's Law Constant :8.2×106 mol/(m3Pa) at 25℃, HSDB (2015)
Stability :Stable. May be moisture sensitive. Incompatible with strong oxidizing agents.
Cosmetics Ingredients Functions :COLORANT
LogP :5.4 at 25℃
CAS DataBase Reference :2425-85-6(CAS DataBase Reference)
IARC :3 (Vol. 57) 1993
NIST Chemistry Reference :2-Naphthalenol, 1-[(4-methyl-2-nitrophenyl)azo]-(2425-85-6)
EPA Substance Registry System :C.I. Pigment Red 3 (2425-85-6)
Safety Information
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Description
Pigment red 3, an oil soluble dye, has been shown to activate hematopoietic cell proliferation in the spleen, liver, and bone marrow of rats.More related product prices
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Suppliers and manufacturers
CONIER CHEM AND PHARMA LIMITED
Zhengzhou Alfa Chemical Co.,Ltd
SIMAGCHEM CORP
Hefei TNJ Chemical Industry Co.,Ltd.
AFINE CHEMICALS LIMITED
Dayang Chem (Hangzhou) Co.,Ltd.





