TNJ Chemical produces super quality 2,7-Dihydroxynaphthalene CAS 582-17-2 - 99.5%MIN assay, GMP SGS certification, USP BP EP FCC standard, Competitive price, online purchase support. To buy 2,7-Dihydroxynaphthalene CAS 582-17-2, please contact sales@tnjchem.com
Application
Organic Intermediate
Specification
Item Specification
Specific rotation +39.5 to +41.5°
State of solution(transmittance) Clear 98.0% min.
Chloride[cl] 0.020% max.
Ammonium [NH4] 0.02% max.
Sulfate[SO4] 0.020% max
Iron[Fe] 10ppm max.
Heavy metals [Pb] 10ppm max
Arsenic[As2O3] 1ppm max
Other amino acids Chromatographically not detectable
Loss on drying 0.20% max.
Residue on ignition[sulfated] 0.10% max.
Assay 99.0% min
Packing
25kg/drum
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