1.06352

Sodium hydrogen sulfate monohydrate

for analysis EMSURE^®

• Synonym(s): Sodium hydrogen sulfate monohydrate, sodium bisulfate monohydrate, sodium bisulphate monohydrate
• Empirical Formula (Hill Notation): HNaO₄S · xH₂O
• CAS Number: 10034-88-5
• Molecular Weight: 120.06 (anhydrous basis)
• MDL number: MFCD00149210
• UNSPSC Code: 12352302
• EC Index Number: 231-665-7
• NACRES: NA.21

Properties

• Quality Level: 300
• product line: EMSURE^®
• assay: ≥99.0% (alkalimetric)
• form: solid
• potency: 2490 mg/kg LD₅₀, oral (Rat)
• pH: 1 (20 °C, 50 g/L in H₂O)
• mp: 183 °C (decomposition)
• solubility: 1080 g/L
• bulk density: 900‑970 kg/m³
• anion traces: chloride (Cl^-): ≤0.001%; phosphate (PO₄^3-): ≤0.0005%
• cation traces: Al: ≤0.001%; Ca: ≤0.001%; Fe: ≤0.0005%; K: ≤0.002%; Mg: ≤0.0005%; N: ≤0.001%; heavy metals (as Pb): ≤0.0005%
• storage temp.: 2-30°C
• InChI: 1S/Na.H2O4S.H2O/c;1-5(2,3)4;/h;(H2,1,2,3,4);1H2/q+1;;/p-1
• InChI key: JXHZRQHZVYDRGX-UHFFFAOYSA-M

Description

Analysis Note

Assay (alkalimetric): ≥ 99.0 %
Chloride (Cl): ≤ 0.001 %
Phosphate (PO₄): ≤ 0.0005 %
Total nitrogen (N): ≤ 0.001 %
Heavy metals (as Pb): ≤ 0.0005 %
Al (Aluminium): ≤ 0.001 %
Ca (Calcium): ≤ 0.001 %
Fe (Iron): ≤ 0.0005 %
K (Potassium): ≤ 0.002 %
Mg (Magnesium): ≤ 0.0005 %

Legal Information

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

Safety Information

• pictograms: GHS05
• signalword: Danger
• hcodes: H318
• pcodes: P280 - P305 + P351 + P338
• Hazard Classifications: Eye Dam. 1
• Storage Class: 13 - Non Combustible Solids
• wgk_germany: WGK 1
• flash_point_f: Not applicable
• flash_point_c: Not applicable