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Merck
CN

30743

Sulfuric acid

puriss. p.a., for determination of Hg, ACS reagent, reag. ISO, reag. Ph. Eur., 95.0-97.0%

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About This Item

Linear Formula:
H2SO4
CAS Number:
Molecular Weight:
98.08
UNSPSC Code:
12352106
NACRES:
NA.21
PubChem Substance ID:
EC Number:
231-639-5
Beilstein/REAXYS Number:
2037554
MDL number:
Assay:
95.0-97.0%
Form:
liquid
Grade:
puriss. p.a., ACS reagent
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grade

puriss. p.a., ACS reagent

Quality Level

agency

USP/NF, reag. ISO, reag. Ph. Eur.

vapor density

<0.3 (25 °C, vs air)

vapor pressure

1 mmHg ( 146 °C)

description

Nominally 95-98% H2SO4

assay

95.0-97.0%

form

liquid

impurities

≤1 ppm heavy metals (as Pb), ≤2 ppm KMnO4 red. matter (as O), ≤2 ppm ammonium (NH4)

ign. residue

≤5 ppm

pH

1.2 (5 g/L)

bp

~290 °C (lit.)

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 mg/kg

SMILES string

OS(O)(=O)=O

cation traces

Ag: ≤0.02 mg/kg, Al: ≤0.05 mg/kg, As: ≤0.01 ppm, Ba: ≤0.05 mg/kg, Be: ≤0.01 mg/kg, Bi: ≤0.05 mg/kg, Ca: ≤0.2 mg/kg, Cd: ≤0.02 mg/kg, Co: ≤0.01 mg/kg, Cr: ≤0.05 mg/kg, Cu: ≤0.01 mg/kg, Fe: ≤0.1 ppm, Ge: ≤0.05 mg/kg, Hg: ≤5 ppb, K: ≤0.1 mg/kg, Li: ≤0.01 mg/kg, Mg: ≤0.05 mg/kg, Mn: ≤0.01 mg/kg, Mo: ≤0.02 mg/kg, Na: ≤0.5 mg/kg, Ni: ≤0.02 mg/kg, Pb: ≤0.02 mg/kg, Sr: ≤0.02 mg/kg, Ti: ≤0.1 mg/kg, Tl: ≤0.05 mg/kg, V: ≤0.01 mg/kg, Zn: ≤0.05 mg/kg, Zr: ≤0.1 mg/kg

InChI

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

InChI key

QAOWNCQODCNURD-UHFFFAOYSA-N

Application


  • Bauxite for scientific experimentation: The material′s utility extends to experimental applications such as the production of flash setting admixtures, showcasing its versatility in modifying physical properties for various scientific needs (Chen et al., 2024).



Packaging

In PE-bottles;also available PE-bottles black (Material no. ending with PEBL; Glass-bottles (Material no. ending with *-GL), PE canister (Material no. ending with *-H)

Other Notes

The article number 30743-4X2.5L will be discontinued. Please order the single bottle 30743-2.5L which is physically identical with the same exact specifications.
The article number 30743-4X2.5L-M will be discontinued. Please order the single bottle 30743-2.5L-M which is physically identical with the same exact specifications.
The article number 30743-6X1L will be discontinued. Please order the single bottle 30743-1L which is physically identical with the same exact specifications.


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pictograms

Corrosion

signalword

Danger

hcodes

Hazard Classifications

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

Storage Class

8A - Combustible corrosive hazardous materials

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

Regulatory Information

易制毒化学品(3类)
危险化学品

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Determination of mercury in natural waters and effluents by flameless atomic absorption spectrophotometry.
S H Omang
Analytica chimica acta, 53(2), 415-419 (1971-02-01)
Self-Ordering of Cell Arrangement of Anodic Porous Alumina Formed in Sulfuric Acid Solution.
Masuda H, et al.
Journal of the Electrochemical Society, 144(5), L127-L130 (1997)
Jing Li et al.
Journal of chromatography. A, 1404, 39-43 (2015-06-09)
The paper reports on a novel method for rapid determination of carbonyl in lignins by headspace gas chromatography (HS-GC). The method involves the quantitative carbonyl reduction for aldehydes in 2min at room temperature or for acetones in 30min at 80°C



Global Trade Item Number

SKUGTIN
30743-1L-GL04061826673461
30743-5L04061837865886
30743-6X1L04061826673485
30743-2.5L04061837865817
30743-2.5L-GL04061837865824
30743-4X2.5L04061826673478
30743-4X2.5L-GL04061837865862
30743-1L04061838444127