The specification for this product (95.0 to 98.0 percent) is for the weight percent of the sulfuric acid; the remaining 2 to 5 percent by weight is water. The lot-specific weight percent is reported as the Purity by Sodium Hydroxide (NaOH) titration on the certificate of analysis for each lot. The result is not printed on the bottle. Practically speaking, whether the percentage is 95.0 percent or 98.0 percent or somewhere in between, the material would be handled the same way.
258105
Sulfuric acid
Sulfuric acid
1 of 2 reviewers received a sample product or took part in a promotion
ACS reagent, 95.0-98.0%
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100 ML
$75.30
500 ML
$101.00
500 ML
$129.00
1 L
$160.00
2.5 L
$200.00
2.5 L
$222.00
6 X 500 ML
$629.00
6 X 2.5 L
$1,020.00
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100 ML
$75.30
500 ML
$101.00
500 ML
$129.00
1 L
$160.00
2.5 L
$200.00
2.5 L
$222.00
6 X 500 ML
$629.00
6 X 2.5 L
$1,020.00
About This Item
Linear Formula:
H2SO4
CAS Number:
Molecular Weight:
98.08
Beilstein:
2037554
EC Number:
MDL number:
UNSPSC Code:
12352106
PubChem Substance ID:
NACRES:
NA.21
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
Sulfuric acid can be used as a catalyst:
H2SO4 can also be used in the following reactions:
- 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
ACS specifications same as product 320501
4L and 4X4L are packaged in poly bottles
SKU-Pack sizes with -PC are packaged in PVC coated glass bottles.
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
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Related Content
This page is intended to make it easier to find the consumables you need based on the analytical method you’re using. Methods included on this page come from the EPA, Standard Methods and ASTM.
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Is the range of concentration listed have to do with volume or will an exact percentage be available on the bottle when received for the purposes of further dilution.
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How is shipping temperature determined? And how is it related to the product storage temperature?
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Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf
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How can I determine the shelf life / expiration / retest date of this product?
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If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdfHelpful?
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Difference between 258105-500ML, and 258105-500ML-PC, Mainly the PC part of the partnumber.
1 answer-
Product 258105-500ML is packaged in a poly bottle, The package sizes listing the -PC suffix, including 258105-500ML-PC, are packaged in PVC-coated glass bottles.
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What is Sulfuric acid, Product 258105, dissolved in?
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This material is not dissolved in anything. Rather it is pure sulfuric acid, which is a liquid at room temperature.
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What is the Department of Transportation shipping information for this product?
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Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product.
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How was the concentration of Sulfuric acid, Product 258105, calculated?
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The molarity is calculated using the following equation:molarity=[(1000 X Density)/molecular weight] X (percent purity/100).
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What is the concentration of Sulfuric acid, Product 258105, in moles per liter (M)?
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This material has a calculated, theoretical concentration of 18 M.
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How is Sulfuric acid, Product 258105, to be stored?
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This material is a room temperature storage item.
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