12219-88-4
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Basic information
- Product Name: Acid Green 43
- Synonyms: Acid Green 43
- CAS NO:12219-88-4
- Molecular Formula:
- Molecular Weight: 0
- EINECS: N/A
- Product Categories: N/A
- Mol File: 12219-88-4.mol
- Article Data: 0
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Chemical Properties
- Melting Point: N/A
- Boiling Point: N/A
- Flash Point: N/A
- Appearance: /
- Density: N/A
- Refractive Index: N/A
- Storage Temp.: N/A
- Solubility: N/A
- CAS DataBase Reference: Acid Green 43(CAS DataBase Reference)
- NIST Chemistry Reference: Acid Green 43(12219-88-4)
- EPA Substance Registry System: Acid Green 43(12219-88-4)
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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: 12219-88-4(Hazardous Substances Data)
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12219-88-4 Usage
Description
Acid Green 43 is a synthetic dye characterized by its yellow light brown color. It exhibits solubility in water, producing a red light brown hue. When treated with strong sulfuric acid, the color shifts to purple, and upon dilution, it turns yellow brown. In an aqueous solution, the addition of hydrochloric acid results in purple precipitation, while the introduction of sodium hydroxide yields a cherry red color.Uses
Used in Textile Industry:Acid Green 43 is used as a dye for coloring fabrics, providing vibrant and long-lasting color to various textile materials. Its ability to produce a range of shades from red to purple makes it a versatile choice for the industry.
Used in Leather Industry:
In the leather industry, Acid Green 43 is utilized as a dye for tanning and coloring leather products. Its colorfastness and ability to bond with proteins in the leather make it a suitable option for enhancing the appearance and durability of leather goods.
Used in Paper Industry:
Acid Green 43 is employed as a dye in the paper industry for coloring paper products, such as currency notes and other security documents. Its distinctive color and resistance to fading contribute to the authentication and preservation of these documents.
Used in Cosmetics Industry:
Acid Green 43 is used as a colorant in the cosmetics industry, particularly in hair dyes and other personal care products. Its ability to produce a range of shades and its compatibility with various formulations make it a popular choice for enhancing the visual appeal of cosmetic products.
Used in Analytical Chemistry:
In analytical chemistry, Acid Green 43 is utilized as a colorimetric indicator for various chemical reactions and processes. Its color changes in response to different chemical conditions, making it a valuable tool for detecting and measuring specific substances or reactions.
Preparation
4-Aminobenzenesulfonic acid?(2 Moore) diazo, in the presence of sodium hydroxide with Naphthalen-1-ol?coupling.Check Digit Verification of cas no
The CAS Registry Mumber 12219-88-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,2,2,1 and 9 respectively; the second part has 2 digits, 8 and 8 respectively.Calculate Digit Verification of CAS Registry Number 12219-88:
(7*1)+(6*2)+(5*2)+(4*1)+(3*9)+(2*8)+(1*8)=84
84 % 10 = 4
So 12219-88-4 is a valid CAS Registry Number.
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Acid Green 43
