258105

Sigma-Aldrich

Sulfuric acid

ACS reagent, 95.0-98.0%

Linear Formula:
H2SO4
CAS Number:
Molecular Weight:
98.08
Beilstein/REAXYS Number:
2037554
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.21

Quality Level

grade

ACS reagent

vapor density

<0.3 (25 °C, vs air)

vapor pressure

1 mmHg ( 146 °C)

description

Nominally 95-98% H2SO4

assay

95.0-98.0%

form

liquid

appearance

Free from suspended or insoluble matter

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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Related Categories

Packaging

100, 4×100 mL in glass bottle
6×500 mL in poly bottle
500 mL in glass bottle
6×500 mL in PVC-coated bottle
2 L in glass bottle
500 mL in poly bottle
2.5 L in poly bottle
6×2.5 L in poly bottle
1 L in PVC-coated bottle
4 L in PVC-coated bottle
500 mL in PVC-coated bottle
2.5 L in PVC-coated bottle
6×2.5 L in PVC-coated bottle
6×500 mL in glass bottle

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.

pictograms

Corrosion

signalword

Danger

hazcat

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

storage_class_code

8A - Combustible, corrosive hazardous materials

WGK Germany

WGK 1

Flash Point F

Not applicable

Flash Point C

Not applicable

Certificate of Analysis

Certificate of Origin

  1. Which document(s) contains shelf-life or expiration date information for a given product?

    If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis.

  2. How do I get lot-specific information or a Certificate of Analysis?

    The lot specific COA document can be found by entering the lot number above under the "Documents" section.

  3. What is the concentration of Sulfuric acid, Product 258105, in moles per liter (M)?

    This material has a calculated, theoretical concentration of 18 M.

  4. How was the concentration of Sulfuric acid, Product 258105, calculated?

    The molarity is calculated using the following equation:molarity=[(1000 X Density)/molecular weight] X (percent purity/100).

  5. How is Sulfuric acid, Product 258105, to be stored?

    This material is a room temperature storage item.

  6. What is the shelf life of Sulfuric acid, Product 258105?

    This material does not have an expiration or a recommended retest date established for it.  Rather, we guarantee it for one year upon the date of receipt.

  7. What is Sulfuric acid, Product 258105, dissolved in?

    This material is not dissolved in anything.  Rather it is pure sulfuric acid, which is a liquid at room temperature.

  8. How do I find price and availability?

    There are several ways to find pricing and availability for our products. Once you log onto our website, you will find the price and availability displayed on the product detail page. You can contact any of our Customer Sales and Service offices to receive a quote.  USA customers:  1-800-325-3010 or view local office numbers.

  9. What is the Department of Transportation shipping information for this product?

    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. 

  10. My question is not addressed here, how can I contact Technical Service for assistance?

    Ask a Scientist here.

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