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1.01833

Supelco

Sulfuric acid

95-97%, for analysis EMPARTA® ACS

Synonym(s):

Sulfuric acid

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About This Item

Linear Formula:
H2SO4
CAS Number:
Molecular Weight:
98.08
Beilstein:
2037554
MDL number:
UNSPSC Code:
12352301
EC Index Number:
231-639-5
NACRES:
NA.21

product name

Sulfuric acid 95-97%, for analysis EMPARTA® ACS

grade

ACS reagent

Quality Level

vapor density

<0.3 (25 °C, vs air)

vapor pressure

0.0001 hPa ( 20 °C)
1 mmHg ( 146 °C)

product line

EMPARTA®

Assay

95-97% (alkalimetric)

form

liquid

impurities

≤2 ppm Substances reducing potassium 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

density

1.840 g/mL at 25 °C (lit.)

anion traces

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

cation traces

As: ≤0.01 ppm
Fe: ≤0.2 ppm
Hg: ≤0.005 ppm
NH4+: ≤2 ppm
heavy metals (as Pb): ≤1 ppm

storage temp.

no temp limit

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

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Analysis Note

Assay (alkalimetric): 95.0 - 97.0 %
Identity: passes test
Appearance: passes test
Color: ≤ 10 Hazen
Chloride (Cl): ≤ 0.2 ppm
Nitrate (NO₃): ≤ 0.5 ppm
Heavy metals (as Pb): ≤ 1 ppm
As (Arsenic): ≤ 0.01 ppm
Fe (Iron): ≤ 0.2 ppm
Hg (Mercury): ≤ 0.005 ppm
NH₄ (Ammonium): ≤ 2 ppm
Substances reducing potassium permanganate (as SO₂): ≤ 2 ppm
Residue on ignition: ≤ 5 ppm

Legal Information

EMPARTA is a registered trademark of Merck KGaA, Darmstadt, Germany

Pictograms

Corrosion

Signal Word

Danger

Hazard Statements

Hazard Classifications

Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1A

Storage Class Code

8A - Combustible, corrosive hazardous materials

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Regulatory Information

监管及禁止进口产品

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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