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84727

Sulfuric acid

for the determination of nitrogen, ≥97.0%

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About This Item

Linear Formula:
H2SO4
CAS Number:
7664-93-9
Molecular Weight:
98.08
UNSPSC Code:
41115710
NACRES:
NA.21
PubChem Substance ID:
329769317
EC Number:
231-639-5
Beilstein/REAXYS Number:
2037554
MDL number:
MFCD00064589
Assay:
≥97.0%
Form:
liquid
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agency

suitable for SM 4500 - NH3

Quality Level

100

vapor density

<0.3 (25 °C, vs air)

vapor pressure

1 mmHg ( 146 °C)

description

Nominally 95-98% H2SO4, for inorganic trace analysis

assay

≥97.0%

form

liquid

quality

for the determination of nitrogen

impurities

≤0.0005% total nitrogen (N)

ign. residue (900 °C)

≤0.0005%

color

clear

bp

~290 °C (lit.)

density

1.840 g/mL at 25 °C (lit.)

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

General description

Sulfuric acid can be produced by dry distillation of iron sulfate heptahydrate, copper sulfate pentahydrate. When these compounds were heated they decompose to form iron and copper oxides eliminating water and sulphur trioxide which combine together to form dilute solution of sulphuric acid. It is suitable as dehydrating agent, catalyst, active reactant in chemical industry. It is also suitable to control pH of saline solutions to strong fuming acids.

Application

Sulfuric acid may be used as digestive reagent in Kjeldahl method to determine nitrogen.

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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

ppe

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
SDBB5354
STBL4801
STBL4800
STBL4391
STBL3532

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Nitrogen determination by a continuous digestion and analysis system.
Ferrari, Andres.
Annals of the New York Academy of Sciences, 87, 792-800 (1960)
Navin G. Ashar, Kiran R. Golwalkar
A Practical Guide to the Manufacture of Sulfuric Acid, Oleums, and Sulfonating Agents (2013)
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
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Global Trade Item Number

SKUGTIN
84727-2.5L04061838203458
84727-500ML04061838196644