4-amino-3-[4-(2-sulfooxyethylsulfonyl)phenyl]azo-naphthalene-1-sulfonic acid, also known as Acid Orange 7, is a synthetic azo dye that is commonly used in the textile industry. It is a water-soluble compound with a bright orange color, which is achieved through its naphthalene backbone, azo group, and sulfonic acid group. However, it has been identified as a potential health hazard and environmental pollutant due to its ability to cause skin and eye irritation and its resistance to biodegradation.
188907-52-0
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Basic information
- Product Name: 4-amino-3-[4-(2-sulfooxyethylsulfonyl)phenyl]azo-naphthalene-1-sulfonic acid
- Synonyms:
- CAS NO:188907-52-0
- Molecular Formula: C18H17N3O9S3
- Molecular Weight: 515.54
- EINECS: N/A
- Product Categories: N/A
- Mol File: 188907-52-0.mol
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Chemical Properties
- Melting Point: N/A
- Boiling Point: N/A
- Flash Point: N/A
- Appearance: N/A
- Density: 1.69g/cm3
- Refractive Index: 1.703
- Storage Temp.: N/A
- Solubility: N/A
- CAS DataBase Reference: 4-amino-3-[4-(2-sulfooxyethylsulfonyl)phenyl]azo-naphthalene-1-sulfonic acid(CAS DataBase Reference)
- NIST Chemistry Reference: 4-amino-3-[4-(2-sulfooxyethylsulfonyl)phenyl]azo-naphthalene-1-sulfonic acid(188907-52-0)
- EPA Substance Registry System: 4-amino-3-[4-(2-sulfooxyethylsulfonyl)phenyl]azo-naphthalene-1-sulfonic acid(188907-52-0)
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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: 188907-52-0(Hazardous Substances Data)
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188907-52-0 Usage
Uses
Used in Textile Industry:4-amino-3-[4-(2-sulfooxyethylsulfonyl)phenyl]azo-naphthalene-1-sulfonic acid is used as a dye in the textile industry for its bright orange color and water solubility. It is applied to various fabrics to provide a vibrant and long-lasting color.
Used in Effort to Minimize Environmental Impact:
Due to its potential health hazards and environmental pollution, there are ongoing efforts to regulate and minimize the use of 4-amino-3-[4-(2-sulfooxyethylsulfonyl)phenyl]azo-naphthalene-1-sulfonic acid in industrial processes. This includes researching and developing alternative dyes that are less harmful to both people and the environment.
Check Digit Verification of cas no
The CAS Registry Mumber 188907-52-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,8,9,0 and 7 respectively; the second part has 2 digits, 5 and 2 respectively.Calculate Digit Verification of CAS Registry Number 188907-52:
(8*1)+(7*8)+(6*8)+(5*9)+(4*0)+(3*7)+(2*5)+(1*2)=190
190 % 10 = 0
So 188907-52-0 is a valid CAS Registry Number.
188907-52-0Upstream product
188907-52-0Downstream Products
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4-amino-3-[4-(2-sulfooxyethylsulfonyl)phenyl]azo-naphthalene-1-sulfonic acid
