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Safety Information

270113

Sigma-Aldrich

Sulfuric acid, fuming

ACS reagent, 30% free SO3 basis

Synonym(s):

Oleum

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About This Item

Linear Formula:
H2SO4 · (SO3)x
CAS Number:
Molecular Weight:
98.08
Beilstein:
2037554
MDL number:
UNSPSC Code:
12352106
PubChem Substance ID:

grade

ACS reagent

vapor density

3 (vs air)

vapor pressure

2 mmHg ( 25 °C)

concentration

30% (free SO3)

ign. residue

≤0.002%

color

colorless to very light brown

density

1.925 g/mL at 25 °C (lit.)

anion traces

nitrate (NO3-): ≤1 ppm

cation traces

As: ≤0.03 ppm
Fe: ≤2 ppm
NH4+: ≤3 ppm

SMILES string

O=S(=O)=O.OS(O)(=O)=O

InChI

1S/H2O4S.O3S/c1-5(2,3)4;1-4(2)3/h(H2,1,2,3,4);

InChI key

HIFJUMGIHIZEPX-UHFFFAOYSA-N

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Pictograms

Skull and crossbonesCorrosion

Signal Word

Danger

Hazard Statements

Hazard Classifications

Acute Tox. 2 Inhalation - Skin Corr. 1A - STOT SE 3

Target Organs

Respiratory system

Supplementary Hazards

Storage Class Code

6.1B - Non-combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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.

ISHL Indicated Name

Substances Subject to be Indicated Names

ISHL Notified Names

Substances Subject to be Notified Names

JAN Code

270113-500G-PW:
270113-VAR:
270113-25G-PW:
270113-BULK:
270113-500G:4548173127125
270113-25G:4548173127118


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