84030-35-3
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Basic information
- Product Name: 4-[(4,8-disulpho-2-naphthyl)azo]-3-hydroxy-2-naphthoic acid
- Synonyms: 4-[(4,8-disulpho-2-naphthyl)azo]-3-hydroxy-2-naphthoic acid;4-[(4,8-Disulfo-2-naphthalenyl)azo]-3-hydroxy-2-naphthalenecarboxylic acid;Einecs 281-808-2
- CAS NO:84030-35-3
- Molecular Formula: C21H14N2O9S2
- Molecular Weight: 502.47386
- EINECS: 281-808-2
- Product Categories: N/A
- Mol File: 84030-35-3.mol
- Article Data: 0
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Chemical Properties
- Melting Point: N/A
- Boiling Point: N/A
- Flash Point: N/A
- Appearance: /
- Density: 1.717g/cm3
- Refractive Index: 1.748
- Storage Temp.: N/A
- Solubility: N/A
- CAS DataBase Reference: 4-[(4,8-disulpho-2-naphthyl)azo]-3-hydroxy-2-naphthoic acid(CAS DataBase Reference)
- NIST Chemistry Reference: 4-[(4,8-disulpho-2-naphthyl)azo]-3-hydroxy-2-naphthoic acid(84030-35-3)
- EPA Substance Registry System: 4-[(4,8-disulpho-2-naphthyl)azo]-3-hydroxy-2-naphthoic acid(84030-35-3)
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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: 84030-35-3(Hazardous Substances Data)
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84030-35-3 Usage
Description
4-[(4,8-disulpho-2-naphthyl)azo]-3-hydroxy-2-naphthoic acid, also known as Acid Red 52, is a synthetic azo dye derived from naphthionic acid. It has a complex structure with naphthalene rings and azo groups, and is characterized by its dark red powder form and solubility in water.Uses
Used in Textile Industry:4-[(4,8-disulpho-2-naphthyl)azo]-3-hydroxy-2-naphthoic acid is used as a dye for fabrics, providing a vibrant red color to textiles.
Used in Leather Industry:
In the leather industry, 4-[(4,8-disulpho-2-naphthyl)azo]-3-hydroxy-2-naphthoic acid is used as a dye to impart a rich red hue to leather products.
Used in Paper Industry:
4-[(4,8-disulpho-2-naphthyl)azo]-3-hydroxy-2-naphthoic acid is utilized as a dye in the paper industry to achieve red-colored paper for various applications.
Used in Food Industry:
As a food coloring agent, 4-[(4,8-disulpho-2-naphthyl)azo]-3-hydroxy-2-naphthoic acid is used to color beverages and confectionery products, adding an appealing red shade to these items.
However, it is important to note that due to some studies indicating potential carcinogenic and mutagenic properties, the use of 4-[(4,8-disulpho-2-naphthyl)azo]-3-hydroxy-2-naphthoic acid has been restricted in certain countries.
Check Digit Verification of cas no
The CAS Registry Mumber 84030-35-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,4,0,3 and 0 respectively; the second part has 2 digits, 3 and 5 respectively.Calculate Digit Verification of CAS Registry Number 84030-35:
(7*8)+(6*4)+(5*0)+(4*3)+(3*0)+(2*3)+(1*5)=103
103 % 10 = 3
So 84030-35-3 is a valid CAS Registry Number.
InChI:InChI=1/C21H14N2O9S2/c24-20-16(21(25)26)8-11-4-1-2-5-13(11)19(20)23-22-12-9-15-14(18(10-12)34(30,31)32)6-3-7-17(15)33(27,28)29/h1-10,22H,(H,25,26)(H,27,28,29)(H,30,31,32)/b23-19-
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4-[(4,8-disulpho-2-naphthyl)azo]-3-hydroxy-2-naphthoic acid
