258105
Sulfuric acid
ACS reagent, 95.0-98.0%
Recommended Products
grade
ACS reagent
Quality Level
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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This Item | 28-5911 | 1.00713 | 28-5890 |
|---|---|---|---|
| grade ACS reagent | grade - | grade - | grade JIS special grade |
| vapor density <0.3 (25 °C, vs air) | vapor density <0.3 (25 °C, vs air) | vapor density <0.3 (25 °C, vs air) | vapor density <0.3 (25 °C, vs air) |
| vapor pressure 1 mmHg ( 146 °C) | vapor pressure 1 mmHg ( 146 °C) | vapor pressure 0.0001 hPa ( 20 °C), 1 mmHg ( 146 °C) | vapor pressure 1 mmHg ( 146 °C) |
| assay 95.0-98.0% | assay ≥97.0% | assay 95-97% (alkalimetric) | assay ≥95.0% |
| form liquid | form liquid | form liquid | form liquid |
| pH 1.2 (5 g/L) | pH 1.2 (5 g/L) | pH 0.3 (25 °C, 49 g/L in H2O) | pH 1.2 (5 g/L) |
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
Signal Word
Danger
Hazard Statements
Precautionary 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
Regulatory Listings
Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.
PDSCL
Deleterious substance
ISHL Indicated Name
Substances Subject to be Indicated Names
ISHL Notified Names
Substances Subject to be Notified Names
JAN Code
258105-100ML:4.548173314563E12
258105-500ML-PC:4.54817396005E12
258105-1L-PC:4.548173959825E12
258105-2.2L:4.548173126128E12
258105-750LB:4.548173252698E12
258105-500ML:4.548173126135E12
258105-2.5L-GL:4.548173320113E12
258105-2.5L:4.548173252667E12
258105-500ML-GL:4.548173320212E12
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