About This Item
Recommended Products
grade
ACS reagent
Quality Level
agency
suitable for EPA 1613
suitable for SM 4500 - NH3
suitable for SM 5210
vapor density
<0.3 (25 °C, vs air)
vapor pressure
1 mmHg ( 146 °C)
description
Free from suspended or insoluble matter
Nominally 95-98% H2SO4
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
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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Application
- In the hydrolysis of primary or secondary nitroalkane salts to aldehydes or ketones.
- In the selective hydrolysis of nitriles to amides.
- To synthesize amides of t-alkylcarbinamines via Ritter reaction between nitriles and alkenes.
- To prepare 3,4-dialkyl-2(5H)-furanones by carbonylation of α,β-unsaturated aldehydes.
- In the nitration of aromatic carbocycles and heteroaromatic compounds.
- In the Friedel–Craft ketone synthesis using anhydrides via α-amidoalkylation reaction.
H2SO4 can also be used in the following reactions:
- Michael′s addition reactions
- Electrophilic substitution reactions
- Esterification of highly hindered aromatic acids
- Aldol condensation reaction
- Beckmann rearrangement
- Hofmann–Loffler–Freytag reaction
- Isomerization
- Dehydrogenation
- Sulfonation
Other Notes
signalword
Danger
hcodes
Hazard Classifications
Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1A
Storage Class
8B - Non-combustible corrosive hazardous materials
wgk_germany
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
Certificates of Analysis (COA)
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