Sulfanilic acid Shelf Life : 2 years when stored properly Ingredients : Sulfanilic acid as the main ingredient (100%) Physical Form : Other, White to gray crystalline powder Purity : 99% Grade : Industrial and analytical grade Properties : Crystalline powder chemically stable slightly hygroscopic. Appearance : White to offwhite crystalline powder Smell : Other, Odorless Usage : As an intermediate in dye production for analytical chemistry and in pharmaceutical applications. Solubility : Slightly soluble in water soluble in alkalis and acids HS Code : 29214200 Application : Other , Used in the dye industry synthesis of azo dyes and in the production of whitening agents. Poisonous : NO Storage : Other, Store in a cool dry and wellventilated area away from moisture and oxidizing agents. Melting Point : 288C (decomposes) Ph Level : Around 1.2 in water solution CAS No : 121573 Molecular Weight : 173.19 g/mol EINECS No : 2044825 Shape : other, Crystalline solid Structural Formula : C6H4(SO3H)(NH2) Molecular Formula : C6H7NO3S Taste : Slightly bitter, Other Density : 1.48 Gram per cubic centimeter(g/cm3)

Potassium Metabisulfite Shelf Life : 2 years if stored properly Ingredients : Potassium sulfur and oxygen Physical Form : Other, White crystalline powder or granules Purity : 99% min Grade : Food grade industrial grade Properties : Strong reducing agent releases sulfur dioxide in acidic conditions Appearance : White crystalline powder Smell : Other, Pungent sulfur smell Usage : Used in winemaking food processing and photographic chemicals Solubility : Soluble in water slightly soluble in alcohol HS Code : 283220 Application : Other , Used as a food preservative antioxidant and sterilizing agent Poisonous : Other, Yes if ingested in large quantities Storage : Store in a cool dry place away from strong acids and moisture, Other Melting Point : 190C (decomposes) Ph Level : 4.05.5 (1% solution) CAS No : 16731558 Molecular Weight : 222.32 g/mol EINECS No : 2407953 Shape : other, Granules or crystalline form Structural Formula : O=S(=O)OK Molecular Formula : K2S2O5 Taste : Other, Salty sulfurous taste Density : 2.34 Gram per cubic centimeter(g/cm3)

4,4- Dihydroxy Diphenyl Sulphone (DHDPS) Shelf Life : 2 years under proper storage conditions Ingredients : Pure compound (no additional ingredients) Physical Form : Other, Crystalline powder Purity : 99% Grade : Industrial/Pharmaceutical grade Properties : Stable under normal conditions high thermal stability Appearance : Offwhite to white crystalline powder Smell : Other, Odorless Usage : Primarily used in the synthesis of polyethersulfones and dyes Solubility : Slightly soluble in water; soluble in organic solvents HS Code : 29072900 Application : Other , Used as an intermediate in cosmetics polymers and pharmaceuticals Poisonous : NO Storage : Other, Store in a cool dry and wellventilated place. Keep container tightly closed. Melting Point : 247250C Ph Level : Neutral CAS No : 80091 Molecular Weight : 250.27 g/mol EINECS No : 2012607 Shape : other, Crystalline form Structural Formula : Refer to the chemical structure diagram for detailed representation. Molecular Formula : C12H10O4S Density : 1.48 Gram per cubic centimeter(g/cm3)

Choline Bitartrate Shelf Life : 2 years if stored properly Ingredients : Choline and Tartaric Acid Physical Form : Powder Purity : 99% Grade : Pharmaceutical Grade Properties : Highly hygroscopic stable at room temperature Appearance : White crystalline powder Smell : Other, Odorless Usage : Promotes cognitive health and supports liver function Solubility : Highly soluble in water HS Code : 29231000 Application : Other , Used as a dietary supplement and in pharmaceutical formulations Poisonous : NO Storage : Store in a cool dry place away from direct sunlight and moisture, Other Melting Point : 151155C Ph Level : 5.0 6.0 (in 1% aqueous solution) CAS No : 87672 Molecular Weight : 253.25 g/mol EINECS No : 2017636 Shape : other, Powdered form Structural Formula : Image available upon request Molecular Formula : C9H19NO7 Taste : Other, Slightly sweet and sour