1.04885

Potassium hydrogen sulfate

for analysis EMSURE^® Reag. Ph Eur

• Synonym(s): Potassium hydrogen sulfate, Potassium bisulfate
• Empirical Formula (Hill Notation): HKO₄S
• CAS Number: 7646-93-7
• Molecular Weight: 136.17
• MDL number: MFCD00011404
• UNSPSC Code: 12352302
• EC Index Number: 231-594-1
• NACRES: NA.21

Properties

• agency: reag. Ph. Eur.
• Quality Level: 300
• product line: EMSURE^®
• assay: ≥99.0% (alkalimetric)
• form: solid
• potency: 2340 mg/kg LD₅₀, oral (Rat)
• pH: 1 (20 °C, 50 g/L in H₂O)
• mp: 195 °C (decomposition)
• solubility: 490 g/L (development of heat)
• density: 2.24 g/cm³ at 20 °C
• bulk density: 1140 kg/m³
• anion traces: chloride (Cl^-): ≤0.0005%; phosphate (PO₄^3-): ≤0.001%
• cation traces: Al: ≤0.002%; Ca: ≤0.005%; Fe: ≤0.0005%; N: ≤0.001%; Na: ≤0.005%; heavy metals (as Pb): ≤0.0005%
• storage temp.: 2-30°C
• InChI: 1S/2K.H2O4S/c;;1-5(2,3)4/h;;(H2,1,2,3,4)/q2*+1;/p-2
• InChI key: OTYBMLCTZGSZBG-UHFFFAOYSA-L

Description

Analysis Note

Assay (alkalimetric): ≥ 99.0 %
Chloride (Cl): ≤ 0.0005 %
Phosphate (PO₄): ≤ 0.001 %
Total nitrogen (N): ≤ 0.001 %
Heavy metals (as Pb): ≤ 0.0005 %
Al (Aluminium): ≤ 0.002 %
Ca (Calcium): ≤ 0.005 %
Fe (Iron): ≤ 0.0005 %
Na (Sodium): ≤ 0.005 %
Corresponds to Reag. Ph Eur

Legal Information

EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany

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