China Test Sample Is Free----UV-531 CAS 1843-05-6, Find details about China 1843-05-6, CAS 1843-05-6 from Test Sample Is Free----UV-531 CAS 1843-05-6
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Item | Specification |
Appearance | light yellow crystalline powder or flakes |
Purity | 99.0% min |
Melting point | 47.0 - 49.0 °C min |
Loss on drying | 0.5% max |
Residue on ignition | 0.1% max |
Transmittance 450nm | 90.0% min |
Transmittance 500nm | 95.0% min |