Merck
All Photos(3)

1.00731

Supelco

Sulfuric acid 95-97%

for analysis EMSURE® ISO

Synonym(s):
Sulfuric acid
Linear Formula:
H2SO4
CAS Number:
Molecular Weight:
98.08
Beilstein:
2037554
MDL number:
EC Index Number:
231-639-5

Quality Level

Agency

reag. ISO

vapor density

<0.3 (25 °C, vs air)

vapor pressure

0.0001 hPa ( 20 °C)
1 mmHg ( 146 °C)

product line

EMSURE®

assay

95-97% (alkalimetric)

form

liquid

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-): ≤0.1 ppm
nitrate (NO3-): ≤0.2 ppm
phosphate (PO43-): ≤0.5 ppm

cation traces

Ag: ≤0.010 ppm
Al: ≤0.050 ppm
As: ≤0.010 ppm
Au: ≤0.050 ppm
B: ≤0.050 ppm
Ba: ≤0.050 ppm
Be: ≤0.010 ppm
Bi: ≤0.050 ppm
Ca: ≤0.1 ppm
Cd: ≤0.01 ppm
Co: ≤0.01 ppm
Cr: ≤0.020 ppm
Cu: ≤0.01 ppm
Fe: ≤0.1 ppm
Ga: ≤0.05 ppm
Ge: ≤0.02 ppm
In: ≤0.05 ppm
K: ≤0.1 ppm
Li: ≤0.01 ppm
Mg: ≤0.05 ppm
Mn: ≤0.01 ppm
Mo: ≤0.02 ppm
NH4+: ≤1 ppm
Na: ≤0.3 ppm
Ni: ≤0.02 ppm
Pb: ≤0.01 ppm
Pt: ≤0.1 ppm
Sn: ≤0.05 ppm
Sr: ≤0.01 ppm
Ti: ≤0.02 ppm
Tl: ≤0.02 ppm
V: ≤0.01 ppm
Zn: ≤0.05 ppm
Zr: ≤0.02 ppm

SMILES string

OS(O)(=O)=O

storage temp.

no temp limit

InChI

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

InChI key

QAOWNCQODCNURD-UHFFFAOYSA-N

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Legal Information

EMSURE 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

8B - Non-combustible, corrosive hazardous materials

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis

Enter Lot Number to search for Certificate of Analysis (COA).

Certificate of Quality

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Protocols

Analytical Method: Urea in Liquid Manure

Photometric determination with Diacetyl monooxime

Analytical Method: Urea in Milk (Photometry)

Photometric determination with Diacetyl monooxime in the sample clarified with Trichloracetic acid

Analytical Method: Phosphorus (Total) in Dairy Products

Phosphorus (total) in dairy products - Photometric determination using the Phosphorus molybdenum blue method subsequent to acid mineralisation

Analytical Method: Aluminium (total) in effluents, high organic content

Photometric determination with Chromazurole S subsequent to acid mineralisation

See All

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