12220-51-8
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Basic information
- Product Name: Acid Violet 48
- Synonyms: ACID VIOLET 48;Weak Acid Violet N-FBL;C.I. Acid Violet 48;Acid Violet FBL;Acid Violet N-FBL;Aminyl Violet F-BL;Anadurm Violet M-2R;Best Acid Violet FBL
- CAS NO:12220-51-8
- Molecular Formula: C37H38N2Na2O9S2
- Molecular Weight: 764.82
- EINECS: N/A
- Product Categories: N/A
- Mol File: 12220-51-8.mol
- Article Data: 0
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Chemical Properties
- Melting Point: N/A
- Boiling Point: N/A
- Flash Point: N/A
- Appearance: caramel powder
- Density: N/A
- Refractive Index: N/A
- Storage Temp.: N/A
- Solubility: N/A
- CAS DataBase Reference: Acid Violet 48(CAS DataBase Reference)
- NIST Chemistry Reference: Acid Violet 48(12220-51-8)
- EPA Substance Registry System: Acid Violet 48(12220-51-8)
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Safety Data
- Hazard Codes: N/A
- Statements: N/A
- Safety Statements: N/A
- WGK Germany:
- RTECS:
- HazardClass: N/A
- PackingGroup: N/A
- Hazardous Substances Data: 12220-51-8(Hazardous Substances Data)
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12220-51-8 Usage
Description
Acid Violet 48 is a dark reddish-brown powder that is soluble in water, with a solubility point of 100°C and a maximum wavelength of absorption (λ Max) of 592 nm in water. It exhibits different color reactions in various acids, turning red in strong hydrochloric acid and coffee-colored in nitric acid. Its aqueous solution produces a red color, which turns into a sauce red precipitate upon the addition of hydrochloric acid. The addition of sodium hydroxide results in better light precipitation. Acid Violet 48 has moderate to good levelness and whiteness but is not suitable for bright colors.Uses
Used in Textile Industry:Acid Violet 48 is used as a dye for wool, silk, polyamide fiber, and their blended fabrics for dyeing and printing. It provides good colorfastness properties, making it suitable for various textile applications.
Used in Leather Industry:
Acid Violet 48 is also used for leather coloring, offering a durable and vibrant color to leather products.
Standard:
The colorfastness properties of Acid Violet 48 are as follows:
Light Fastness: ISO 6
Soaping Fastness: 4-5
Perspiration Fastness: 5
Oxygen Bleaching: 4-5
Fastness to Seawater: 3-4
Fading: 3
Stain: 5
These properties indicate that Acid Violet 48 provides good colorfastness, making it suitable for various applications in the textile and leather industries.
Preparation
1-Amino-4-bromo-9,10-dioxo-9,10-dihydroanthracene-2-sulfonic acid and 2,4,6-Trimethylbenzenamine?condensation, and then to 4-Tert-Octylphenol?and second condensation, and hair smoke sulphonated sulfuric acid.Standard
Light FastnessFading
StainISO
6Check Digit Verification of cas no
The CAS Registry Mumber 12220-51-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,2,2,2 and 0 respectively; the second part has 2 digits, 5 and 1 respectively.Calculate Digit Verification of CAS Registry Number 12220-51:
(7*1)+(6*2)+(5*2)+(4*2)+(3*0)+(2*5)+(1*1)=48
48 % 10 = 8
So 12220-51-8 is a valid CAS Registry Number.
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Acid Violet 48
