1.04912

Potassium bromate

for analysis (max 0,000001% Hg) EMSURE^® ACS,ISO,Reag. Ph Eur

• Synonym(s): Potassium bromate, Bromic Acid, Potassium Salt
• Empirical Formula (Hill Notation): BrKO₃
• CAS Number: 7758-01-2
• Molecular Weight: 167.00
• MDL number: MFCD00011359
• UNSPSC Code: 12352302
• EC Index Number: 231-829-8
• NACRES: NA.21

Properties

• grade: ACS reagent
• Quality Level: 300
• agency: reag. ISO; reag. Ph. Eur.
• product line: EMSURE^®
• assay: ≥99.8% dry basis (iodometric)
• form: crystalline powder
• potency: 157 mg/kg LD₅₀, oral (Rat)
• impurities: ≤0.005% Insoluble matter
• loss: ≤ 0.1% loss on drying, 105 °C
• pH: 5-9 (20 °C, 50 g/L in H₂O)
• mp: 409-413 °C
• density: 3.13 g/cm³ at 20 °C
• bulk density: 1400 kg/m³
• anion traces: bromide (Br^-): ≤0.02%; sulfate (SO₄^2-): ≤0.005%
• cation traces: Fe: ≤0.0005%; Hg: ≤0.000001%; N: ≤0.001%; Na: ≤0.01%; Pb: ≤0.0004%; heavy metals (as Pb): ≤0.0005%
• storage temp.: 2-30°C
• InChI: 1S/BrHO3.K/c2-1(3)4;/h(H,2,3,4);/q;+1/p-1
• InChI key: OCATYIAKPYKMPG-UHFFFAOYSA-M

Description

Analysis Note

Assay (iodometric, calc. on dried substance): ≥ 99.8 %
Insoluble matter: ≤ 0.005 %
pH-value (5 %; water; 25 °C): 5.0 - 9.0
Bromide (Br): ≤ 0.02 %
Sulfate (SO₄): ≤ 0.005 %
Total nitrogen (N): ≤ 0.001 %
Heavy metals (as Pb): ≤ 0.0005 %
Fe (Iron): ≤ 0.0005 %
Hg (Mercury): ≤ 0.000001 %
Na (Sodium): ≤ 0.01 %
Pb (Lead): ≤ 0.0004 %
Loss on Drying (105 °C): ≤ 0.1 %

Legal Information

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

Safety Information

• pictograms: GHS03,GHS06,GHS08
• signalword: Danger
• hcodes: H271 - H301 - H350
• pcodes: P202 - P210 - P220 - P264 - P280 - P301 + P310
• Hazard Classifications: Acute Tox. 3 Oral - Carc. 1B - Ox. Sol. 1
• Storage Class: 5.1A - Strongly oxidizing hazardous materials
• wgk_germany: WGK 3
• flash_point_f: Not applicable
• flash_point_c: Not applicable