Naphthalene-tetrachlorophthalic anhydride (NTCA) is a chemical compound derived from the reaction of naphthalene with tetrachlorophthalic anhydride. It is a white crystalline solid with a molecular formula of C14H2Cl4O3 and a molecular weight of 363.04 g/mol. NTCA is primarily used as a reactive diluent in epoxy resins, which are widely employed in the production of composite materials, adhesives, and coatings. It helps to reduce the viscosity of epoxy resins, making them easier to process and handle. Additionally, NTCA can be used as a flame retardant in various applications due to its halogenated structure, which contributes to its fire-resistant properties.

2816-96-8

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Basic information
1. Product Name: naphthalene-tetrachlorophthalic anhydride
2. Synonyms: naphthalene-tetrachlorophthalic anhydride
3. CAS NO:2816-96-8
4. Molecular Formula:
5. Molecular Weight: 414.072
6. EINECS: N/A
7. Product Categories: N/A
Chemical Properties
1. Melting Point: N/A
2. Boiling Point: N/A
3. Flash Point: N/A
4. Appearance: N/A
5. Density: N/A
6. Refractive Index: N/A
7. Storage Temp.: N/A
8. Solubility: N/A
9. CAS DataBase Reference: naphthalene-tetrachlorophthalic anhydride(CAS DataBase Reference)
10. NIST Chemistry Reference: naphthalene-tetrachlorophthalic anhydride(2816-96-8)
11. EPA Substance Registry System: naphthalene-tetrachlorophthalic anhydride(2816-96-8)
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: 2816-96-8(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 2816-96-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,8,1 and 6 respectively; the second part has 2 digits, 9 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 2816-96:
(6*2)+(5*8)+(4*1)+(3*6)+(2*9)+(1*6)=98
98 % 10 = 8
So 2816-96-8 is a valid CAS Registry Number.

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