Direct Black 19
- Product Name
- Direct Black 19
- CAS No.
- 6428-31-5
- Chemical Name
- Direct Black 19
- Synonyms
- Black G;C.I.35255;RIFAZOLBLACKGR;Direct Black 19;Kayarus Black G;Direct black RN;Sumilight Black G;Condires Black AN;Vicorect Black FB.;Benzo Fast Black G
- CBNumber
- CB4875556
- Molecular Formula
- C34H30N13NaO7S2
- Formula Weight
- 819.81
- MOL File
- 6428-31-5.mol
Direct Black 19 Property
- Boiling point:
- 1379℃[at 101 325 Pa]
- Density
- 1.49[at 20℃]
- vapor pressure
- 0Pa at 25℃
- Water Solubility
- 22.67g/L at 20℃
- 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
- Hazardous Substances Data
- 6428-31-5(Hazardous Substances Data)
Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Warning
- Hazard statements
-
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
- Precautionary statements
-
P264Wash hands thoroughly after handling.
P264Wash skin thouroughly after handling.
P280Wear protective gloves/protective clothing/eye protection/face protection.
P302+P352IF ON SKIN: wash with plenty of soap and water.
P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P321Specific treatment (see … on this label).
P332+P313IF SKIN irritation occurs: Get medical advice/attention.
P362Take off contaminated clothing and wash before reuse.
N-Bromosuccinimide Price
- Product number
- S12174
- Product name
- DIRECT BLACK 19 (C.I.35255)
- Purity
- AldrichCPR
- Packaging
- 250mg
- Price
- $179
- Updated
- 2024/03/01
- Product number
- FD44459
- Product name
- Direct Black 19
- Packaging
- 1kg
- Price
- $250
- Updated
- 2021/12/16
- Product number
- DYE0002793
- Product name
- DIRECT BLACK 19
- Purity
- 95.00%
- Packaging
- 5MG
- Price
- $503.84
- Updated
- 2021/12/16
- Product number
- FD44459
- Product name
- Direct Black 19
- Packaging
- 50g
- Price
- $40
- Updated
- 2021/12/16
- Product number
- FD44459
- Product name
- Direct Black 19
- Packaging
- 100g
- Price
- $60
- Updated
- 2021/12/16
Direct Black 19 Chemical Properties,Usage,Production
Preparation
4-Nitrobenzenamine (2 Moore) diazo, one in acid conditions, a in alkaline conditions and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid (1 Moore) coupling, and then will the nitro reduction, diazotization, again with Benzene-1,3-diamine (2 Moore) coupled.
Flammability and Explosibility
Non flammable
Properties and Applications
green and black. Black powder. Soluble in water for green light black, solubility of 100 g/L (80 ℃), slightly soluble in ethanol and acetone. The strong sulfuric acid in the green light for black, dilute red after black precipitation; In nitric acid to dark brown. Dyes and microstructure of sulfuric acid solution 10% red; Add thick sodium hydroxide solution for green light blue. Copper ions in dyeing color shade the green, iron ion a slight change in color. Used in viscose of dyeing and printing. In the cotton knitwear, blankets, flannelette, silk, viscose, silk that the fabric, wool/viscose fiber blend fabrics can be used. Can also be used in leather, paper and electrochemical aluminum color.
| Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
| Fading | Stain | Fading | Stain | ||||
| ISO | 4 | 3 | 3-4 | 2 | 2 | ||
| AATCC | 4-5 | 3 | 3 | 2-3 | 2 | ||
Direct Black 19 Preparation Products And Raw materials
Raw materials
Preparation Products
Direct Black 19 Suppliers
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View Lastest Price from Direct Black 19 manufacturers
- Product
- Direct Black 19 6428-31-5
- Price
- US $0.00/kg
- Min. Order
- 25kg
- Purity
- 1
- Supply Ability
- 5mt
- Release date
- 2022-12-29
- Product
- Direct Black 19, DIrect Fast Black G 6428-31-5
- Price
- US $2.00/kg
- Min. Order
- 25kg
- Purity
- 99%
- Supply Ability
- 20 tons
- Release date
- 2022-10-26
- Product
- Direct Black 19 6428-31-5
- Price
- US $1.00/KG
- Min. Order
- 1KG
- Purity
- 98%HPLC
- Supply Ability
- 10t
- Release date
- 2019-12-23