grade

ACS reagent

Quality Level

300

Agency

reag. ISO

product line

EMSURE^®

Assay

≥99.9% (iodometric)

form

crystalline

potency

90.5 mg/kg LD₅₀, oral (Rat)
1170 mg/kg LD₅₀, skin (Rat)

impurities

≤0.005% Insoluble matter

loss

≤ 0.05% loss on drying, 105°C

pH

3.6 (100 g/L in H₂O)

bp

>500 °C/1013 hPa

mp

398 °C

density

2.7 g/cm³ at 20 °C

bulk density

1250 kg/m³

anion traces

chloride (Cl^-): ≤0.001%
sulfate (SO₄^2-): ≤0.005%

cation traces

Ca: ≤0.002%
Cu: ≤0.001%
Fe: ≤0.001%
Hg: ≤0.000001%
Na: ≤0.02%
Pb: ≤0.005%

storage temp.

2-30°C

InChI

1S/2Cr.2K.7O/q;;2*+1;;;;;;2*-1

InChI key

KMUONIBRACKNSN-UHFFFAOYSA-N