4-Aminoazobenzene, also known as 4'-aminoazobenzene or simply "butter yellow," is an organic compound with the chemical formula C12H11N3. It is a synthetic dye that was once widely used as a food additive due to its bright yellow color. However, it has been found to be a potent carcinogen, causing cancer in animals and potentially in humans. As a result, its use in food products has been banned in many countries. The compound is also used as a chemical intermediate in the production of other dyes and pigments. Due to its hazardous nature, handling and disposal of 4-aminoazobenzene require strict safety measures to minimize health risks and environmental contamination.
22-16-2
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Basic information
- Product Name: 4-Aminoazobenzene
- Synonyms:
- CAS NO:22-16-2
- Molecular Formula: CH3(CH2)16COONa
- Molecular Weight: 0
- EINECS: N/A
- Product Categories: N/A
- Mol File: 22-16-2.mol
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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: 4-Aminoazobenzene(CAS DataBase Reference)
- NIST Chemistry Reference: 4-Aminoazobenzene(22-16-2)
- EPA Substance Registry System: 4-Aminoazobenzene(22-16-2)
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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: 22-16-2(Hazardous Substances Data)
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Check Digit Verification of cas no
The CAS Registry Mumber 22-16-2 includes 5 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 2 digits, 2 and 2 respectively; the second part has 2 digits, 1 and 6 respectively.Calculate Digit Verification of CAS Registry Number 22-16:
(4*2)+(3*2)+(2*1)+(1*6)=22
22 % 10 = 2
So 22-16-2 is a valid CAS Registry Number.
22-16-2Upstream product
22-16-2Downstream Products
22-16-2Related news
Photomechanical bending of 4-Aminoazobenzene (cas 22-16-2) crystals09/30/2019
Upon photoirradiation at 365 nm, platelike microcrystals of trans-4-aminoazobenzene quickly bend away from the light source, returning to their initial linear shape when irradiation was terminated. However, relative to the observations upon cessation of 365 nm irradiation, the bent crystals reco...detailed
Structure-Affinity Binding Relationships of Some 4-Aminoazobenzene (cas 22-16-2) Derivatives for Cellulose Fibre09/29/2019
Dye-fibre interactions were modelled for a series of 20 disperse dyes on cellulose fibre by means of the Free-Wilson and MTD (minimum steric difference) methods. Both methods indicate good correlations with dye affinities R = 0 999 and s = 0 317 for the Free-Wilson analysis and R = 0 895, s ...detailed
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4-Aminoazobenzene
