grade

ACS reagent

Quality Level

300

product line

EMSURE^®

Assay

≥99.0% anhydrous basis (acidimetric)

form

crystals

autoignition temp.

600 °C

potency

2570 mg/kg LD₅₀, oral (Rat)

composition

Water, 9.5-11.5% Karl Fischer

impurities

≤0.1% Sulfated ash

pH

1 (20 °C, 650 g/L in H₂O, anhydrous substance)

bp

140 °C/27 hPa

mp

56 °C (Elimination of water of crystallisation)

transition temp

flash point 180 °C

solubility

750 g/L

bulk density

510 kg/m³

anion traces

sulfate (SO₄^2-): ≤0.3%

cation traces

Fe: ≤0.01%
Na: ≤0.002%
heavy metals (as Pb): ≤0.001%

storage temp.

15-25°C

InChI

1S/C7H8O3S.H2O/c1-6-2-4-7(5-3-6)11(8,9)10;/h2-5H,1H3,(H,8,9,10);1H2

Inchi Key

KJIFKLIQANRMOU-UHFFFAOYSA-N