Direct Black 19
|
- $22 - $550
- Product name: Direct Black 19
- CAS: 6428-31-5
- MF: C34H30N13NaO7S2
- MW: 819.81
- EINECS:229-208-1
- MDL Number:MFCD00137529
- Synonyms:Direct black RN;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
13 prices
Selected condition:
Brand
- aablocks
- American Custom Chemicals Corporation
- Biosynth
- Sigma-Aldrich
Package
- 5MG
- 250mg
- 25g
- 50g
- 100g
- 250g
- 500g
- 1000g
- 1kg
- 2.5kg
- 1 unit
- Manufactureraablocks
- Product numberAA01DNPI
- Product descriptionDirect Black 19
- Packaging2.5kg
- Price$131
- 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
- Packaging100g
- Price$25
- Updated2026-05-29
- Buy
- Manufactureraablocks
- Product numberAA01DNPI
- Product descriptionDirect Black 19
- Packaging25g
- Price$22
- 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
- Packaging1000g
- Price$550
- Updated2026-06-04
- Buy
- ManufacturerBiosynth
- Product numberFD44459
- Product descriptionDirect Black 19
- Packaging250g
- Price$220
- Updated2026-06-04
- Buy
- ManufacturerBiosynth
- Product numberFD44459
- Product descriptionDirect Black 19
- Packaging1kg
- Price$250
- Updated2021-12-16
- Buy
- ManufacturerBiosynth
- Product numberFD44459
- Product descriptionDirect Black 19
- Packaging500g
- Price$335
- Updated2026-06-04
- Buy
- ManufacturerBiosynth
- Product numberFD44459
- Product descriptionDirect Black 19
- Packaging50g
- Price$40
- Updated2021-12-16
- Buy
- ManufacturerBiosynth
- Product numberFD44459
- Product descriptionDirect Black 19
- Packaging100g
- Price$60
- 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 | 2.5kg | $131 | 2026-05-29 | Buy |
| aablocks | AA01DNPI | Direct Black 19 | 500g | $40 | 2026-05-29 | Buy |
| aablocks | AA01DNPI | Direct Black 19 | 100g | $25 | 2026-05-29 | Buy |
| aablocks | AA01DNPI | Direct Black 19 | 25g | $22 | 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 | 1000g | $550 | 2026-06-04 | Buy |
| Biosynth | FD44459 | Direct Black 19 | 250g | $220 | 2026-06-04 | Buy |
| Biosynth | FD44459 | Direct Black 19 | 1kg | $250 | 2021-12-16 | Buy |
| Biosynth | FD44459 | Direct Black 19 | 500g | $335 | 2026-06-04 | Buy |
| Biosynth | FD44459 | Direct Black 19 | 50g | $40 | 2021-12-16 | Buy |
| Biosynth | FD44459 | Direct Black 19 | 100g | $60 | 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
| Symbol(GHS): |
|
||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Signal word: | Warning | ||||||||||||||||||||||||||||
| Hazard statements: |
|
||||||||||||||||||||||||||||
| Precautionary statements: |
|
Description
Related product price
-
Direct Black 38
$16-2517.67 -
Direct Yellow 12
$18-932 -
DIRECT RED 80
$16-870
Suppliers and manufacturers
Winchem Industrial Co. Ltd
Shanghai JONLN Reagent Co., Ltd.
Chengdu HuaXia Chemical Reagent Co. Ltd
Hubei Jusheng Technology Co.,Ltd
Alfa Chemistry
Shanghai YuanYe Biotechnology Co., Ltd.
Shandong Xiya Chemical Co., Ltd.
Guangdong wengjiang Chemical Reagent Co., Ltd.
Shanghai Orgchem Co.,Ltd.
Rhawn Reagent




