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SODIUM BISULPHITE CAS # 7631-90-5 SYNONYM: SODIUM HYDROGENSULFITE. PHYSICAL & CHEMICAL PROPERTIES: CLEAR PALE YELLOW LIQUID WITH A PUNGENT ROTTEN-EGG LIKE ODOUR.

SODIUM HYDROGEN SULFITE, 40% SOLUTION IS USED IN FOR THE PRODUCTION OF A DRUG SUBSTANCE IN THE PHARMACEUTICAL INDUSTRY PHYSICAL STATE: LIQUID PRODUCT CATEGORY: RAW MATERIAL/CHEMICAL INTERMEDIATE

SODIUM METABISULPHITE FOOD GRADE CAS NUMBER 7651-57-4. WHICH IS A WHITE POWDER WITH A BARELY RECEPTIBLE ODOUR OF A PURITY OF 98%.

SODIUM HYDROGENSULFITE. SYNONYM:SODIUM BISULFITE CAS NUMBER: 7631-90-5 STATE : SOLID IN AN OFF WHITE COLOUR

SILICA 3 REAGENT USED FOR WATER ANALYSIS. COMPOSITION:SODIUM SULFITE CAS 7757-83-7. The specific analytical test to be performed is the measurement of silica content in a water sample. This is achieved through using Silicomolybdate method or Heterpoly Blue method chemistry, both are supplied through the Colorimettic method test. The results are expressed in ppm mg/L SiO2 and can either be displayed visually colour cubes/disks etc or by using a photometer