grade

ACS reagent

Quality Level

100

Agency

reag. Ph. Eur.

Assay

≥99.0-102.0% (acidimetric)

form

solid

autoignition temp.

>400 °C

potency

12300 mg/kg LD₅₀, oral (Rat)

pH

2.5 (20 °C, 10 g/L in H₂O)

mp

288 °C (decomposes)

solubility

water: 10 g/L at 20 °C

density

1.485 g/cm³ at 25 °C

bulk density

620 kg/m³

anion traces

chloride (Cl^-): ≤0.002%
nitrite (NO₂^-): ≤0.5 ppm
sulfate (SO₄^2-): ≤0.01%

cation traces

heavy metals (as Pb): ≤0.001%

storage temp.

15-25°C

InChI

1S/C6H7NO3S/c7-5-1-3-6(4-2-5)11(8,9)10/h1-4H,7H2,(H,8,9,10)

InChI key

HVBSAKJJOYLTQU-UHFFFAOYSA-N