1,2;5,6-Naphthalenetetracarboxylic dianhydride (NTCDA) is a chemical compound with the molecular formula C14H4O7 and a molecular weight of 284.17 g/mol. It is a white crystalline solid that is soluble in organic solvents such as dimethyl sulfoxide (DMSO) and dimethylformamide (DMF). NTCDA is derived from the oxidation of naphthalene, a polycyclic aromatic hydrocarbon, and is an important intermediate in the synthesis of various polymers, dyes, and pharmaceuticals. It is also used as a monomer in the production of polyimides, which are high-performance polymers with excellent thermal stability and mechanical properties. NTCDA is known for its high reactivity and can undergo various chemical reactions, such as nucleophilic addition, electrophilic substitution, and condensation reactions. Due to its potential health and environmental risks, NTCDA is classified as a hazardous substance and requires proper handling and disposal.
3711-03-3
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Basic information
- Product Name: 1,2;5,6-naphthalenetetracarboxylic dianhydride
- Synonyms: 1,2;5,6-naphthalenetetracarboxylic dianhydride
- CAS NO:3711-03-3
- Molecular Formula:
- Molecular Weight: 268.182
- 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: 1,2;5,6-naphthalenetetracarboxylic dianhydride(CAS DataBase Reference)
- NIST Chemistry Reference: 1,2;5,6-naphthalenetetracarboxylic dianhydride(3711-03-3)
- EPA Substance Registry System: 1,2;5,6-naphthalenetetracarboxylic dianhydride(3711-03-3)
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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: 3711-03-3(Hazardous Substances Data)
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Check Digit Verification of cas no
The CAS Registry Mumber 3711-03-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,7,1 and 1 respectively; the second part has 2 digits, 0 and 3 respectively.Calculate Digit Verification of CAS Registry Number 3711-03:
(6*3)+(5*7)+(4*1)+(3*1)+(2*0)+(1*3)=63
63 % 10 = 3
So 3711-03-3 is a valid CAS Registry Number.
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1,2;5,6-naphthalenetetracarboxylic dianhydride
