Hydrogen(H2) is colorless, odorless, tasteless, non-toxic, and highly flammable diatomic gas. Molecular Formula: H2 Molecular Weight: 2.02 Linear Structural Formula: H2 MDL Number: MFCD00070838 Purity: >=99.99% Melting Point: -259.2 C (lit.) …

Formula: H₂S Formula Weight: 34.08 CAS No.: 7783-06-4 UN Number: UN1053 Purity: ≥99.5% Packaging: 227 g in steel cylinder

Formula: HCl Formula Weight: 36.46 CAS No.: 7647-01-0 UN Number: UN1050 Purity: ≥99% Density: 1.2g/mLat 25°C(lit.) Legal Information: ReagentPlus is a registered trademark of Sigma-Aldrich Co. LLC Packaging: 227 g in steel cylinder