401544

Potassium bisulfate

≥99.99% trace metals basis

• Synonym(s): Potassium hydrogen sulfate
• Linear Formula: KHSO₄
• CAS Number: 7646-93-7
• Molecular Weight: 136.17
• EC Number: 231-594-1
• MDL number: MFCD00011404
• UNSPSC Code: 12352302
• PubChem Substance ID: 24865023
• NACRES: NA.23
• assay: ≥99.99% trace metals basis
• form: crystals and lumps

Properties

• assay: ≥99.99% trace metals basis
• form: crystals and lumps
• impurities: ≤100.0 ppm Trace Metal Analysis
• mp: 214 °C (lit.)
• acid number: 35‑37%(as H₂SO₄)
• density: 2.32 g/mL at 25 °C (lit.)
• SMILES string: [K+].OS([O-])(=O)=O
• InChI: 1S/K.H2O4S/c;1-5(2,3)4/h;(H2,1,2,3,4)/q+1;/p-1
• InChI key: CHKVPAROMQMJNQ-UHFFFAOYSA-M

Safety Information

• pictograms: GHS05,GHS07
• signalword: Danger
• hcodes: H314,H335
• pcodes: P260 - P271 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• Hazard Classifications: Eye Dam. 1 - Skin Corr. 1B - STOT SE 3
• target_organs: Respiratory system
• Storage Class: 8B - Non-combustible corrosive hazardous materials
• wgk_germany: WGK 1
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• ppe: Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges