CAS NO:7757-83-7

EC NO:231-821-4

Molecular Formula:Na₂SO₃

Molecular Weight:126.04

Synonyms:;Sodium sulfite anhydrous;Sodium sulphite;anhydrous sodium sulfite;Sodium sulfite ,anhydrous;Sodium Sulfite (Food Grade);

Molecular Structure:

CAS NO:115-40-2

EC NO:204-087-8

Molecular Formula:C₂₁H₁₆Br₂O₅S

Molecular Weight:540.2217

Synonyms:;5,5-Dibromo-o-cresolsulfonephthalein;Bromcresol Purple;Bromocresol purple 0.04% aqueous solution;dibromo-o-cresolsulphonephthalein;4,4'-(1,1-dioxido-3H-2,1-benzoxathiole-3,3-diyl)bis(2-bromo-6-methylphenol);

Molecular Structure: