Phenol, 3,5-dimethyl-4-(phenylazo)-, also known as 3,5-dimethyl-4-phenylazophenol or Orange II, is an organic compound with the chemical formula C14H14N2O. It is a yellow crystalline solid that is soluble in water and ethanol. This azo dye is commonly used as a pH indicator, changing color from yellow to orange in the pH range of 1.0 to 3.6. It is also employed as a dye in various applications, including textiles, leather, and paper. Due to its potential environmental and health impacts, its use is regulated in some regions.
1778-71-8
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Basic information
- Product Name: Phenol, 3,5-dimethyl-4-(phenylazo)-
- Synonyms:
- CAS NO:1778-71-8
- Molecular Formula: C14H14N2O
- Molecular Weight: 226.278
- EINECS: N/A
- Product Categories: N/A
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Chemical Properties
- Melting Point: N/A
- Boiling Point: N/A
- Flash Point: N/A
- Appearance: N/A
- Density: N/A
- Refractive Index: N/A
- Storage Temp.: N/A
- Solubility: N/A
- CAS DataBase Reference: Phenol, 3,5-dimethyl-4-(phenylazo)-(CAS DataBase Reference)
- NIST Chemistry Reference: Phenol, 3,5-dimethyl-4-(phenylazo)-(1778-71-8)
- EPA Substance Registry System: Phenol, 3,5-dimethyl-4-(phenylazo)-(1778-71-8)
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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: 1778-71-8(Hazardous Substances Data)
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Check Digit Verification of cas no
The CAS Registry Mumber 1778-71-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,7,7 and 8 respectively; the second part has 2 digits, 7 and 1 respectively.Calculate Digit Verification of CAS Registry Number 1778-71:
(6*1)+(5*7)+(4*7)+(3*8)+(2*7)+(1*1)=108
108 % 10 = 8
So 1778-71-8 is a valid CAS Registry Number.
1778-71-8Upstream product
1778-71-8Downstream Products
- 53984-99-9 (4-butoxy-2,6-dimethyl-phenyl)-phenyl-diazene
- 150370-06-2 1-(4-methoxy-2,6-dimethylphenyl)-2-phenyldiazene
- 34743-49-2 4-methoxy-2,6-dimethylaniline
- 854053-65-9 2,6-dimethyl-[1,4]benzoquinone-4-(4-methoxy-2,6-dimethyl-phenylimine)
- 33098-86-1 5-acetoxy-2-acetylamino-1,3-dimethyl-benzene
- 53985-00-5 4-butoxy-2,6-dimethyl-phenylamine
- 3096-70-6 3,5-dimethyl-4-aminophenol
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Phenol, 3,5-dimethyl-4-(phenylazo)-
