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CAS

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6472-56-6

Acid Green 62 is a synthetic dye characterized by its brown olive green light appearance. It is soluble in ethanol and water, imparting an olive color to the solution. When exposed to strong sulfuric acid, the solution turns brown and red-brown upon dilution. The water solution of Acid Green 62 reacts with hydrochloric acid, resulting in olive-colored precipitation. Additionally, when mixed with sodium hydroxide, it produces an olive-colored solution and a yellow-green precipitate.

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  • 6472-56-6 Structure

  • Basic information

    1. Product Name: Acid Green 62
    2. Synonyms: Acid Green 62;ACID BIUE 62
    3. CAS NO:6472-56-6
    4. Molecular Formula: C28H18 Cr N10 O14 . H
    5. Molecular Weight: 771.51
    6. EINECS: N/A
    7. Product Categories: N/A
    8. Mol File: 6472-56-6.mol

  • Chemical Properties

    1. Melting Point: N/A
    2. Boiling Point: N/A
    3. Flash Point: N/A
    4. Appearance: /
    5. Density: N/A
    6. Refractive Index: N/A
    7. Storage Temp.: N/A
    8. Solubility: N/A
    9. CAS DataBase Reference: Acid Green 62(CAS DataBase Reference)
    10. NIST Chemistry Reference: Acid Green 62(6472-56-6)
    11. EPA Substance Registry System: Acid Green 62(6472-56-6)

  • Safety Data

    1. Hazard Codes: N/A
    2. Statements: N/A
    3. Safety Statements: N/A
    4. WGK Germany:
    5. RTECS:
    6. HazardClass: N/A
    7. PackingGroup: N/A
    8. Hazardous Substances Data: 6472-56-6(Hazardous Substances Data)

6472-56-6 Usage

Uses

Used in Textile Industry:
Acid Green 62 is used as a dye for coloring fabrics. Its ability to produce an olive color in solutions makes it suitable for various textile applications.
Used in Color Fastness Applications:
Acid Green 62 is utilized in assessing the color fastness of textiles. It helps determine the resistance of the dye to various factors such as soaping, perspiration, oxygen bleaching, and exposure to seawater. The fastness ratings for Acid Green 62 are as follows:
Light Fastness: ISO 6
Soaping Fastness: ISO 5
Perspiration Fastness: ISO 4-5
Oxygen Bleaching Fastness: ISO 5
Fastness to Seawater: ISO 4-5
These ratings indicate the performance of Acid Green 62 in maintaining its color under different conditions, making it a valuable tool in the textile industry for ensuring the quality and durability of colored fabrics.

Preparation

2-Amino-4,6-dinitrophenol diazo, and N-(4-hydroxyphenyl)acetamide?coupling, and then turn it into 1:2 chromium complex.

Standard

Light Fastness

Fading

Stain

ISO

6

Check Digit Verification of cas no

The CAS Registry Mumber 6472-56-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,4,7 and 2 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 6472-56:
(6*6)+(5*4)+(4*7)+(3*2)+(2*5)+(1*6)=106
106 % 10 = 6
So 6472-56-6 is a valid CAS Registry Number.

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