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Merck
CN

320501

Sulfuric acid

ACS reagent, 95.0-98.0%

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About This Item

Linear Formula:
H2SO4
CAS Number:
7664-93-9
Molecular Weight:
98.08
EC Number:
231-639-5
UNSPSC Code:
12352106
PubChem Substance ID:
329753980
Beilstein/REAXYS Number:
2037554
MDL number:
MFCD00064589
Assay:
95.0-98.0%
Form:
liquid
Grade:
ACS reagent

Key Documents

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InChI key

QAOWNCQODCNURD-UHFFFAOYSA-N

InChI

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

grade

ACS reagent

vapor density

<0.3 (25 °C, vs air)

vapor pressure

1 mmHg ( 146 °C)

description

Free from suspended or insoluble matter

assay

95.0-98.0%

form

liquid

ign. residue

≤5 ppm

color

APHA: ≤10

pH

1.2 (5 g/L)

bp

~290 °C (lit.)

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 (as Pb): ≤1 ppm

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pictograms

Corrosion
GHS05

signalword

Danger

hcodes

H290,H314

Hazard Classifications

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

Storage Class

8B - Non-combustible corrosive hazardous materials

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
SHBG3172V
SHBG2417V
SHBG1841V
SHBF7819V
SHBF7820V

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Francesco Riccobono et al.
Science (New York, N.Y.), 344(6185), 717-721 (2014-05-17)
Atmospheric new-particle formation affects climate and is one of the least understood atmospheric aerosol processes. The complexity and variability of the atmosphere has hindered elucidation of the fundamental mechanism of new-particle formation from gaseous precursors. We show, in experiments performed
João Almeida et al.
Nature, 502(7471), 359-363 (2013-10-08)
Nucleation of aerosol particles from trace atmospheric vapours is thought to provide up to half of global cloud condensation nuclei. Aerosols can cause a net cooling of climate by scattering sunlight and by leading to smaller but more numerous cloud
Siegfried Schobesberger et al.
Proceedings of the National Academy of Sciences of the United States of America, 110(43), 17223-17228 (2013-10-09)
Atmospheric aerosols formed by nucleation of vapors affect radiative forcing and therefore climate. However, the underlying mechanisms of nucleation remain unclear, particularly the involvement of organic compounds. Here, we present high-resolution mass spectra of ion clusters observed during new particle
Vicky De Preter et al.
Gut, 64(3), 447-458 (2014-05-09)
Bacteria play a role in the onset and perpetuation of intestinal inflammation in IBD. Compositional alterations may also change the metabolic capacities of the gut bacteria. To examine the metabolic activity of the microbiota of patients with Crohn's disease (CD)
Sam Wouters et al.
Journal of chromatography. A, 1355, 253-260 (2014-06-30)
A microfluidic membrane suppressor has been constructed to suppress ions of alkaline mobile-phases via an acid-base reaction across a sulfonated poly(tetrafluoroethylene)-based membrane and was evaluated for anion-exchange separations using conductivity detection. The membrane was clamped between two chip substrates, accommodating
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