硫酸

产品名称

硫酸, Meets ACS Specifications, Meets Reagent Specifications for testing USP/NF monographs GR ACS

SMILES string

OS(O)(=O)=O

InChI

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

InChI key

QAOWNCQODCNURD-UHFFFAOYSA-N

grade

ACS reagent

agency

meets USP/NF

vapor density

<0.3 (25 °C, vs air)

vapor pressure

0.0001 hPa ( 20 °C)
1 mmHg ( 146 °C)

assay

95.0-98.0%

form

liquid

impurities

≤2 ppm Substances reducing permanganate (as SO₂)

ign. residue

≤5 ppm

color

APHA: ≤10

pH

0.3 (25 °C, 49 g/L in H₂O)

bp

~290 °C (lit.)

mp

-20 °C

Quality Level

200

solubility

water: soluble at 20 °C (caution ! development of heat)

density

1.840 g/mL at 25 °C (lit.)

anion traces

chloride (Cl^-): ≤0.2 ppm
nitrate (NO₃^-): ≤0.5 ppm

cation traces

Al: ≤0.2 ppm
As: ≤0.01 ppm
Au: ≤0.3 ppm
Ca: ≤0.3 ppm
Cr: ≤0.2 ppm
Cu: ≤0.1 ppm
Fe: ≤0.2 ppm
Hg: ≤5 ppb
K: ≤0.3 ppm
Mg: ≤0.3 ppm
Mn: ≤0.2 ppm
NH₄⁺: ≤2 ppm
Na: ≤0.3 ppm
Ni: ≤0.1 ppm
Pb: ≤0.3 ppm
Sn: ≤0.2 ppm
Ti: ≤0.3 ppm
Zn: ≤0.2 ppm
heavy metals (as Pb): ≤1 ppm

shipped in

ambient

storage temp.

room temp