Dibenzo[a,f]perylene is a polycyclic aromatic hydrocarbon (PAH) consisting of six fused benzene rings, with a molecular formula of C24H12. It is a black, crystalline solid that is insoluble in water but soluble in organic solvents. Dibenzo[a,f]perylene is formed during the incomplete combustion of organic materials, such as coal, oil, and wood, and is released into the environment as a byproduct of industrial processes and vehicle emissions. Due to its persistence, bioaccumulation, and potential toxicity, it is classified as a priority pollutant by the U.S. Environmental Protection Agency. Exposure to dibenzo[a,f]perylene can lead to various health issues, including skin irritation, respiratory problems, and potential carcinogenic effects.

191-29-7

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Basic information
1. Product Name: Dibenzo[a,f]perylene
2. Synonyms: Dibenzo[a,f]perylene
3. CAS NO:191-29-7
4. Molecular Formula: C28H16
5. Molecular Weight: 352.43
6. EINECS: N/A
7. Product Categories: N/A
8. Mol File: 191-29-7.mol
Chemical Properties
1. Melting Point: 238 °C(Solv: xylene (1330-20-7))
2. Boiling Point: 629.3±22.0 °C(Predicted)
3. Flash Point: N/A
4. Appearance: /
5. Density: 1.333±0.06 g/cm3(Predicted)
6. Refractive Index: N/A
7. Storage Temp.: N/A
8. Solubility: N/A
9. CAS DataBase Reference: Dibenzo[a,f]perylene(CAS DataBase Reference)
10. NIST Chemistry Reference: Dibenzo[a,f]perylene(191-29-7)
11. EPA Substance Registry System: Dibenzo[a,f]perylene(191-29-7)
Safety Data
1. Hazard Codes: N/A
2. Statements: N/A
3. Safety Statements: N/A
4. WGK Germany:
5. RTECS:
6. HazardClass: N/A
7. PackingGroup: N/A
8. Hazardous Substances Data: 191-29-7(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 191-29-7 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 1,9 and 1 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 191-29:
(5*1)+(4*9)+(3*1)+(2*2)+(1*9)=57
57 % 10 = 7
So 191-29-7 is a valid CAS Registry Number.

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