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Cinchomeronic acid manufacturer CAS:490-11-9

Sep 5th, 2022 at 20:39   Electronic Chemicals   Summit View   73 views Reference: Volej25ejNm

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Chemical Name:cinchomeronic acid
CAS.NO:490-11-9
Synonyms:cinchomeronic acid
3,4-dicarboxypyridine
PYRIDINE-3,4-DICARBOXYLIC ACID
Physical and Chemical Properties:
Density1.6±0.1 g/cm3
Boiling Point528.8±35.0 °C at 760 mmHg
Melting Point262 °C (dec.)(lit.)
Molecular FormulaC7H5NO4
Molecular Weight167.119
Flash Point273.6±25.9 °C
Specification:
Appearance:White to off-white crystalline powder
Assay:≥98.0%
Packing:25 kg/drum, can also be packaged according to customer requirements
Storage:Store in a cool, ventilated place
Application:Organic synthesis intermediates

Items of Analysis Standard of Analysis Test Results
Appearance Light yellow oily liquid Conform
Assay ≥99.0% 99.15%
Moisture ≤0.05% 0.01%
Proportion 1.482-1.492 1.485
Refractive index 1.657-1.659 1.658
Naphthalene ≤1.0% 0.36%
Hg ≤30 mg/kg <5mg/kg
Conclusion Conforms to Factory Standard



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