Direct Grey D
- Product Name
- Direct Grey D
- CAS No.
- 2945-96-2
- Chemical Name
- Direct Grey D
- Synonyms
- Grey D;C.I.27700;Direct Grey D;zogen black d;CERN prima 17;Direct grey 17;Benzo Black DS;Azogen Black D;CIDIRECTBLACK17;benzo grey lbgv
- CBNumber
- CB0875220
- Molecular Formula
- C24H23N6NaO5S
- Formula Weight
- 530.53
- MOL File
- 2945-96-2.mol
Direct Grey D Property
- CAS DataBase Reference
- 2945-96-2(CAS DataBase Reference)
- EPA Substance Registry System
- 2-Naphthalenesulfonic acid, 6-amino-3-[[4-[(4-aminophenyl)azo]-2-methoxy-5-methylphenyl]azo]-4-hydroxy-, monosodium salt (2945-96-2)
Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Warning
- Hazard statements
-
H302Harmful if swallowed
H412Harmful to aquatic life with long lasting effects
- Precautionary statements
-
P264Wash hands thoroughly after handling.
P264Wash skin thouroughly after handling.
P270Do not eat, drink or smoke when using this product.
P273Avoid release to the environment.
P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.
P330Rinse mouth.
P501Dispose of contents/container to..…
N-Bromosuccinimide Price
- Product number
- D493818
- Product name
- DirectBlack17
- Packaging
- 100mg
- Price
- $75
- Updated
- 2021/12/16
- Product number
- T348
- Product name
- DirectBlack17,tech.
- Packaging
- 1g
- Price
- $98
- Updated
- 2021/12/16
- Product number
- DYE0001940
- Product name
- CI DIRECT BLACK 17
- Purity
- 95.00%
- Packaging
- 5MG
- Price
- $499.38
- Updated
- 2021/12/16
Direct Grey D Chemical Properties,Usage,Production
Uses
Direct Black 17 (CAS# 2945-96-2) is an organic azo dye. When coordinted to Cu(II) metal centers, direct black 17 aids in the polarization of light in the near-UV region and visible spectra.
Preparation
(a) 4-Nitrobenzenamine diazo, and 2-Amino-4-methylanisole coupling, again diazo, in alkaline conditions and 6-Amino-4-hydroxynaphthalene-2-sulfonic acid?coupling, and then will the nitro reduction for amino; (b) N-(4-aminophenyl)acetamide diazo, and 2-Amino-4-methylanisole close, then diazo, in alkaline conditions and 6-Amino-4-hydroxynaphthalene-2-sulfonic acid acid hydrolysis, then three amino acetylcholine.
Properties and Applications
green light gray to green and black. Black powder. Soluble in water for violet black, 80 ℃ in the solubility of 20 g/L, soluble in ethanol gray light purple. The strong sulfuric acid is a deep blue in green, orange brown after diluted precipitation. The dye solution to join strong hydrochloric acid for dark brown, have precipitation; ?Adding concentrated sodium hydroxide solution in gray light purple precipitate. Cellulose fiber of dyeing, the dye absorption rate as well, in 40 ~ 80 ℃ maximum of affinity, discharge the gender is good. Used for cotton or viscose dyeing, is not used for printing. Can also be used for silk, PVA, polyamide fiber and its blended fabric dyeing.
Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
Fading | Stain | Fading | Stain | ||||
ISO | 2 | 3-4 | 3 | 2 | 2 | ||
AATCC | 5 | 3 | 3 | 3 | 3 |
Direct Grey D Preparation Products And Raw materials
Raw materials
Preparation Products
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View Lastest Price from Direct Grey D manufacturers
- Product
- Direct Black 17, Direct Grey D 2945-96-2
- Price
- US $2.00/kg
- Min. Order
- 25kg
- Purity
- 99%
- Supply Ability
- 20 tons
- Release date
- 2022-10-25
- Product
- Direct Grey D 2945-96-2
- Price
- US $0.00/kg
- Min. Order
- 25kg
- Purity
- 99%
- Supply Ability
- 20 tons
- Release date
- 2022-11-01
- Product
- Direct Grey D 2945-96-2
- Price
- US $15.00-10.00/KG
- Min. Order
- 1KG
- Purity
- 99%+ HPLC
- Supply Ability
- Monthly supply of 1 ton
- Release date
- 2021-08-11