Sulfuric acid

Product Name

Sulfuric acid, ACS reagent, 95.0-98.0%

InChI

1S/H2O4S/c1-5(2,3)4/h(H2,1,2,3,4)

InChI key

QAOWNCQODCNURD-UHFFFAOYSA-N

SMILES string

OS(O)(=O)=O

grade

ACS reagent

agency

suitable for EPA 1613
suitable for SM 4500 – NH3
suitable for SM 5210

vapor density

<0.3 (25 °C, vs air)

vapor pressure

1 mmHg ( 146 °C)

description

Free from suspended or insoluble matter
Nominally 95-98% H₂SO₄

assay

95.0-98.0%

form

liquid

ign. residue

≤5 ppm

color

APHA: ≤10

pH

1.2 (5 g/L)

bp

~290 °C (lit.)

Quality Level

200

solubility

water: soluble

density

1.840 g/mL at 25 °C (lit.)

anion traces

MnO₄^– reducers: ≤2 ppm
chloride (Cl^–): ≤0.2 ppm
nitrate (NO₃^–): ≤0.5 ppm

cation traces

As: ≤0.01 ppm
Fe: ≤0.2 ppm
Hg: ≤5 ppb
NH₄⁺: ≤2 ppm
heavy metals: ≤1 ppm (by ICP)

application(s)

PFAS testing