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ChemicalBook >> CAS DataBase List >> Vat Blue 4B

Vat Blue 4B

Vat Blue 4B price.
  • $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
20 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 descriptionCibablue2B 98%
  • Packaging500g
  • Price$312
  • Updated2021-12-16
  • Buy
  • ManufacturerAHH
  • Product numberMT-06742
  • Product descriptionCiba blue 2B 97%
  • Packaging500g
  • Price$312
  • Updated2026-05-25
  • 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
  • Packaging250mg
  • Price$231
  • 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
  • Packaging100mg
  • Price$158
  • 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
  • Packaging50mg
  • Price$99
  • Updated2026-06-04
  • Buy
  • ManufacturerChemScene
  • Product numberCS-0066639
  • Product descriptionVat Blue 4B
  • Packaging25mg
  • Price$65
  • Updated2026-06-04
  • Buy
  • ManufacturerChemScene
  • Product numberCS-0066639
  • Product descriptionVat Blue 4B
  • Packaging25mg
  • Price$65
  • Updated2026-06-04
  • Buy
  • ManufacturerChemScene
  • Product numberCS-0066639
  • Product descriptionVat Blue 4B
  • Packaging500mg
  • Price$303
  • Updated2026-06-04
  • 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 Cibablue2B 98% 500g $312 2021-12-16 Buy
AHH MT-06742 Ciba blue 2B 97% 500g $312 2026-05-25 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 250mg $231 2026-06-04 Buy
ChemScene CS-0066639 Vat Blue 4B 100mg $158 2026-06-04 Buy
ChemScene CS-0066639 Vat Blue 4B 100mg $158 2026-06-04 Buy
ChemScene CS-0066639 Vat Blue 4B 50mg $99 2026-06-04 Buy
ChemScene CS-0066639 Vat Blue 4B 50mg $99 2026-06-04 Buy
ChemScene CS-0066639 Vat Blue 4B 25mg $65 2026-06-04 Buy
ChemScene CS-0066639 Vat Blue 4B 25mg $65 2026-06-04 Buy
ChemScene CS-0066639 Vat Blue 4B 500mg $303 2026-06-04 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)

Safety Information

Symbol(GHS):
Signal word:
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H413 May cause long lasting harmful effects to aquatic life Hazardous to the aquatic environment, long-term hazard Category 4
Precautionary statements:

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.

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