ACID VIOLET 7 is a red light purple dye that is soluble in water, chestnut, and soluble fiber element. It is slightly soluble in alcohol and insoluble in other organic solvents. It exhibits different color reactions in various chemical solutions, such as turning deep red with brown precipitation in strong sulfuric acid, pink in nitric acid solution, and wine red in 10% sodium hydroxide solution.

4197-09-5

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Basic information
1. Product Name: ACID VIOLET 7
2. Synonyms: FAST CRIMSON 6BL;FAST FUCHSIN 6B;KITON RED 6B;ERIO FLOXINE 6B;CI 18055;CI 16600;CHROMOTROPE 6B;CI NO 18055
3. CAS NO:4197-09-5
4. Molecular Formula: C20H16N4Na2O9S2
5. Molecular Weight: 566.47
6. EINECS: N/A
7. Product Categories: N/A
8. Mol File: 4197-09-5.mol
Chemical Properties
1. Melting Point: N/A
2. Boiling Point: N/A
3. Flash Point: N/A
4. Appearance: /
5. Density: 1.73g/cm³
6. Refractive Index: 1.73
7. Storage Temp.: N/A
8. Solubility: N/A
9. CAS DataBase Reference: ACID VIOLET 7(CAS DataBase Reference)
10. NIST Chemistry Reference: ACID VIOLET 7(4197-09-5)
11. EPA Substance Registry System: ACID VIOLET 7(4197-09-5)
Safety Data
1. Hazard Codes: N/A
2. Statements: N/A
3. Safety Statements: N/A
4. WGK Germany: 2
5. RTECS: QJ6000000
6. HazardClass: N/A
7. PackingGroup: N/A
8. Hazardous Substances Data: 4197-09-5(Hazardous Substances Data)

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4197-09-5 Usage

Uses

Used in Textile Industry:
ACID VIOLET 7 is used as a dye for coloring textiles. It provides good light fastness, soaping fastness, perspiration fastness, and fastness to seawater, making it suitable for various textile applications.
Used in Chemical Analysis:
ACID VIOLET 7 can be used as an indicator in chemical analysis due to its color changes in different chemical solutions.

Preparation

N-(4-aminophenyl)acetamide diazo, and 4,5-Dihydroxynaphthalene-2,7-disulfonic acid?coupling.

Standard

Light Fastness

Fading

Stain

ISO

AATCC

4-5

Check Digit Verification of cas no

The CAS Registry Mumber 4197-09-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,1,9 and 7 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 4197-09:
(6*4)+(5*1)+(4*9)+(3*7)+(2*0)+(1*9)=95
95 % 10 = 5
So 4197-09-5 is a valid CAS Registry Number.

InChI:InChI=1/C18H15N3O9S2/c1-9(22)19-11-2-4-12(5-3-11)20-21-17-15(32(28,29)30)7-10-6-13(31(25,26)27)8-14(23)16(10)18(17)24/h2-8,20,23H,1H3,(H,19,22)(H,25,26,27)(H,28,29,30)/b21-17-

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