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الشخص الذي يمكن الاتصال به Mr. YANG
5-2-401, Guiyuan, Sanli New City, Hangzhou, Zhejiang
C****0 TRIS, Tris(hydroxymethyl)amino methane CAS:******1 Spec.: Properties: colorless crystal, *****, soluble in methanol, ether. Content: *9.9%***1% Melting point: ***** Insolubles : 0.3% max. ASH : 0.*5% max. Heavy metals : 5PPM max. Loss on drying : 0.2% max. PH : *0.***0.8 Fe : 2PPM max. SO*2+ : 5PPM max. Cl : 3PPM max. Usage: As intermediate for organic synthesis.
