Direct Black 19
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- $22 - $503.84
- Product name: Direct Black 19
- CAS: 6428-31-5
- MF: C34H30N13NaO7S2
- MW: 819.81
- EINECS:229-208-1
- MDL Number:MFCD00137529
- Synonyms:disodium 4-amino-3,6-bis[[4-[(2,4-diaminophenyl)azo]phenyl]azo]-5-hydroxynaphthalene-2,7-disulphonate ;Black G;Atul Direct Black VG;Benzo Fast Black G;Condires Black AN;Kayarus Black G;Sumilight Black G;Tertrodirect Viscose Black GTN
12 prices
Selected condition:
Brand
- aablocks
- American Custom Chemicals Corporation
- Biosynth
- Sigma-Aldrich
Package
- 5MG
- 250mg
- 25g
- 50g
- 100g
- 250g
- 500g
- 1kg
- 2.5kg
- 1 unit
- Manufactureraablocks
- Product numberAA01DNPI
- Product descriptionDirect Black 19
- Packaging25g
- Price$22
- Updated2026-05-29
- Buy
- Manufactureraablocks
- Product numberAA01DNPI
- Product descriptionDirect Black 19
- Packaging100g
- Price$25
- Updated2026-05-29
- Buy
- Manufactureraablocks
- Product numberAA01DNPI
- Product descriptionDirect Black 19
- Packaging500g
- Price$40
- Updated2026-05-29
- Buy
- Manufactureraablocks
- Product numberAA01DNPI
- Product descriptionDirect Black 19
- Packaging2.5kg
- Price$131
- Updated2026-05-29
- Buy
- ManufacturerAmerican Custom Chemicals Corporation
- Product numberDYE0002793
- Product descriptionDIRECT BLACK 19 95.00%
- Packaging5MG
- Price$503.84
- Updated2021-12-16
- Buy
- ManufacturerBiosynth
- Product numberFD44459
- Product descriptionDirect Black 19
- Packaging1kg
- Price$250
- Updated2021-12-16
- Buy
- ManufacturerBiosynth
- Product numberFD44459
- Product descriptionDirect Black 19
- Packaging500g
- Price$150
- Updated2021-12-16
- Buy
- ManufacturerBiosynth
- Product numberFD44459
- Product descriptionDirect Black 19
- Packaging100g
- Price$60
- Updated2021-12-16
- Buy
- ManufacturerBiosynth
- Product numberFD44459
- Product descriptionDirect Black 19
- Packaging250g
- Price$100
- Updated2021-12-16
- Buy
- ManufacturerBiosynth
- Product numberFD44459
- Product descriptionDirect Black 19
- Packaging50g
- Price$40
- Updated2021-12-16
- Buy
- ManufacturerSigma-Aldrich
- Product numberS12174
- Product descriptionDIRECT BLACK 19 (C.I.35255) AldrichCPR
- Packaging250mg
- Price$179
- Updated2024-03-01
- Buy
- ManufacturerSigma-Aldrich
- Product numberS12174
- Product descriptionDIRECT BLACK 19 (C.I.35255) AldrichCPR
- Packaging1 unit
- Price$197
- Updated2026-04-30
- Buy
| Manufacturer | Product number | Product description | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|
| aablocks | AA01DNPI | Direct Black 19 | 25g | $22 | 2026-05-29 | Buy |
| aablocks | AA01DNPI | Direct Black 19 | 100g | $25 | 2026-05-29 | Buy |
| aablocks | AA01DNPI | Direct Black 19 | 500g | $40 | 2026-05-29 | Buy |
| aablocks | AA01DNPI | Direct Black 19 | 2.5kg | $131 | 2026-05-29 | Buy |
| American Custom Chemicals Corporation | DYE0002793 | DIRECT BLACK 19 95.00% | 5MG | $503.84 | 2021-12-16 | Buy |
| Biosynth | FD44459 | Direct Black 19 | 1kg | $250 | 2021-12-16 | Buy |
| Biosynth | FD44459 | Direct Black 19 | 500g | $150 | 2021-12-16 | Buy |
| Biosynth | FD44459 | Direct Black 19 | 100g | $60 | 2021-12-16 | Buy |
| Biosynth | FD44459 | Direct Black 19 | 250g | $100 | 2021-12-16 | Buy |
| Biosynth | FD44459 | Direct Black 19 | 50g | $40 | 2021-12-16 | Buy |
| Sigma-Aldrich | S12174 | DIRECT BLACK 19 (C.I.35255) AldrichCPR | 250mg | $179 | 2024-03-01 | Buy |
| Sigma-Aldrich | S12174 | DIRECT BLACK 19 (C.I.35255) AldrichCPR | 1 unit | $197 | 2026-04-30 | Buy |
Properties
Boiling point :1379℃[at 101 325 Pa]
Density :1.49[at 20℃]
vapor pressure :0Pa at 25℃
Water Solubility :22.67g/L at 20℃
InChIKey :BRZPIOXDFJITBK-FVFGOVLKSA-N
SMILES :NC1=C(C(S(O)(=O)=O)=CC2=CC(S(O)(=O)=O)=C(/N=N/C3C=CC(/N=N/C4C=CC(N)=CC=4N)=CC=3)C(O)=C12)/N=N/C1C=CC(/N=N/C2C=CC(N)=CC=2N)=CC=1.[NaH]
LogP :-1.5 at 20℃
CAS DataBase Reference :6428-31-5(CAS DataBase Reference)
EPA Substance Registry System :C.I. Direct Black 19, disodium salt (6428-31-5)
Density :1.49[at 20℃]
vapor pressure :0Pa at 25℃
Water Solubility :22.67g/L at 20℃
InChIKey :BRZPIOXDFJITBK-FVFGOVLKSA-N
SMILES :NC1=C(C(S(O)(=O)=O)=CC2=CC(S(O)(=O)=O)=C(/N=N/C3C=CC(/N=N/C4C=CC(N)=CC=4N)=CC=3)C(O)=C12)/N=N/C1C=CC(/N=N/C2C=CC(N)=CC=2N)=CC=1.[NaH]
LogP :-1.5 at 20℃
CAS DataBase Reference :6428-31-5(CAS DataBase Reference)
EPA Substance Registry System :C.I. Direct Black 19, disodium salt (6428-31-5)
Safety Information
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| Signal word: | Warning | ||||||||||||||||||||||||||||
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Description
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Direct Black 19
CAS:6428-31-5




