Vat Blue 4B
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- $47 - $312
- Product name: Vat Blue 4B
- CAS: 2475-31-2
- MF: C16H6Br4N2O2
- MW: 577.85
- EINECS:219-598-1
- MDL Number:MFCD00049382
- Synonyms:BASF brilliant indigo;Vat blue 5 (C.I. 73065);Pigment organic indigo blue bromindigo EINecs;04BS;Arlanon Blue 2B;Bromo Indigo 2B;Convat Blue E;Kambanthrene bndigo 4B
13 prices
Selected condition：
Brand
- aablocks
- AHH
- American Custom Chemicals Corporation
- ChemScene
- Sigma-Aldrich
- TRC
Package
- 25mg
- 50mg
- 100mg
- 250mg
- 500mg
- 5g
- 25g
- 100g
- 500g
- 1 g
- Manufactureraablocks
- Product numberAA003V7W
- Product description5,7-Dibromo-2-(5,7-dibromo-1,3-dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro-3H-indol-3-one 36%
- Packaging5g
- Price$47
- Updated2026-05-28
- Buy
- Manufactureraablocks
- Product numberAA003V7W
- Product description5,7-Dibromo-2-(5,7-dibromo-1,3-dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro-3H-indol-3-one 36%
- Packaging25g
- Price$109
- Updated2026-05-28
- Buy
- Manufactureraablocks
- Product numberAA003V7W
- Product description5,7-Dibromo-2-(5,7-dibromo-1,3-dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro-3H-indol-3-one 36%
- Packaging100g
- Price$266
- Updated2026-05-28
- Buy
- ManufacturerAHH
- Product numberMT-06742
- Product descriptionCiba blue 2B 97%
- Packaging500g
- Price$312
- Updated2026-05-26
- Buy
- ManufacturerAmerican Custom Chemicals Corporation
- Product numberDYE0000193
- Product descriptionCIBA BLUE 2B 95.00%
- Packaging25G
- Price$162.75
- Updated2021-12-16
- Buy
- ManufacturerChemScene
- Product numberCS-0066639
- Product descriptionVat Blue 4B
- Packaging250mg
- Price$231
- Updated2026-06-04
- Buy
- ManufacturerChemScene
- Product numberCS-0066639
- Product descriptionVat Blue 4B
- Packaging500mg
- Price$303
- Updated2026-06-04
- Buy
- ManufacturerChemScene
- Product numberCS-0066639
- Product descriptionVat Blue 4B
- Packaging50mg
- Price$99
- Updated2026-06-04
- Buy
- ManufacturerChemScene
- Product numberCS-0066639
- Product descriptionVat Blue 4B
- Packaging100mg
- Price$158
- Updated2026-06-04
- Buy
- ManufacturerChemScene
- Product numberCS-0066639
- Product descriptionVat Blue 4B
- Packaging25mg
- Price$65
- Updated2026-06-04
- Buy
- ManufacturerSigma-Aldrich
- Product numberCDS010542
- Product descriptionciba blue 2b AldrichCPR
- Packaging1 g
- Price$77.9
- Updated2026-04-30
- Buy
- ManufacturerTRC
- Product numberC535730
- Product descriptionCibaBlue2B
- Packaging250mg
- Price$85
- Updated2021-12-16
- Buy
- ManufacturerTRC
- Product numberC535730
- Product descriptionCibaBlue2B
- Packaging500mg
- Price$150
- Updated2021-12-16
- Buy
| Manufacturer | Product number | Product description | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|
| aablocks | AA003V7W | 5,7-Dibromo-2-(5,7-dibromo-1,3-dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro-3H-indol-3-one 36% | 5g | $47 | 2026-05-28 | Buy |
| aablocks | AA003V7W | 5,7-Dibromo-2-(5,7-dibromo-1,3-dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro-3H-indol-3-one 36% | 25g | $109 | 2026-05-28 | Buy |
| aablocks | AA003V7W | 5,7-Dibromo-2-(5,7-dibromo-1,3-dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro-3H-indol-3-one 36% | 100g | $266 | 2026-05-28 | Buy |
| AHH | MT-06742 | Ciba blue 2B 97% | 500g | $312 | 2026-05-26 | Buy |
| American Custom Chemicals Corporation | DYE0000193 | CIBA BLUE 2B 95.00% | 25G | $162.75 | 2021-12-16 | Buy |
| ChemScene | CS-0066639 | Vat Blue 4B | 250mg | $231 | 2026-06-04 | Buy |
| ChemScene | CS-0066639 | Vat Blue 4B | 500mg | $303 | 2026-06-04 | Buy |
| ChemScene | CS-0066639 | Vat Blue 4B | 50mg | $99 | 2026-06-04 | Buy |
| ChemScene | CS-0066639 | Vat Blue 4B | 100mg | $158 | 2026-06-04 | Buy |
| ChemScene | CS-0066639 | Vat Blue 4B | 25mg | $65 | 2026-06-04 | Buy |
| Sigma-Aldrich | CDS010542 | ciba blue 2b AldrichCPR | 1 g | $77.9 | 2026-04-30 | Buy |
| TRC | C535730 | CibaBlue2B | 250mg | $85 | 2021-12-16 | Buy |
| TRC | C535730 | CibaBlue2B | 500mg | $150 | 2021-12-16 | Buy |
Properties
Boiling point :563.4±50.0 °C(Predicted)
Density :2.5583 (rough estimate)
refractive index :1.6300 (estimate)
Colour Index :73065
pka :-7.15±0.20(Predicted)
form :solid
InChI :InChI=1S/C16H6Br4N2O2/c17-5-1-7-11(9(19)3-5)21-13(15(7)23)14-16(24)8-2-6(18)4-10(20)12(8)22-14/h1-4,21-22H
InChIKey :PTWYQANXSNMUTI-UHFFFAOYSA-N
SMILES :N1C2=C(C=C(Br)C=C2Br)C(=O)C1=C1C(=O)C2=C(N1)C(Br)=CC(Br)=C2
CAS DataBase Reference :2475-31-2(CAS DataBase Reference)
NIST Chemistry Reference :c.i. Vat blue 5(2475-31-2)
EPA Substance Registry System :3H-Indol-3-one, 5,7-dibromo-2-(5,7-dibromo-1,3-dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro- (2475-31-2)
Density :2.5583 (rough estimate)
refractive index :1.6300 (estimate)
Colour Index :73065
pka :-7.15±0.20(Predicted)
form :solid
InChI :InChI=1S/C16H6Br4N2O2/c17-5-1-7-11(9(19)3-5)21-13(15(7)23)14-16(24)8-2-6(18)4-10(20)12(8)22-14/h1-4,21-22H
InChIKey :PTWYQANXSNMUTI-UHFFFAOYSA-N
SMILES :N1C2=C(C=C(Br)C=C2Br)C(=O)C1=C1C(=O)C2=C(N1)C(Br)=CC(Br)=C2
CAS DataBase Reference :2475-31-2(CAS DataBase Reference)
NIST Chemistry Reference :c.i. Vat blue 5(2475-31-2)
EPA Substance Registry System :3H-Indol-3-one, 5,7-dibromo-2-(5,7-dibromo-1,3-dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro- (2475-31-2)
Safety Information
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Description
Ciba Blue 2B (CAS# 2475-31-2) is a halogenated indigo dye and pollutant contributing 1,3,6,8-tetrabromocarbazole and some other halogenated carbazoles to the environment.Related product price
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