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Safety Information

1.00720

Supelco

Sulfuric acid fuming 65% SO3

Synonym(s):

Sulfuric acid fuming 65% SO3, Oleum

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About This Item

Empirical Formula (Hill Notation):
H2O4S · SO3 (1:2)
CAS Number:
MDL number:
UNSPSC Code:
12352301
NACRES:
NA.21

vapor pressure

105 hPa ( 20 °C)

Quality Level

form

viscous liquid

concentration

64-66% (acidimetric, free SO3)

ign. residue

≤0.02%

color

clear to turbid colorless to brownish

pH

<1 (20 °C, 100 g/L in H2O)

bp

64 °C/1013 hPa

mp

1 °C

density

1.99 g/cm3 at 20 °C

storage temp.

2-30°C

InChI

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

InChI key

HIFJUMGIHIZEPX-UHFFFAOYSA-N

Analysis Note

Color (visual): colourless to brownish
Appearance of substance (visual): clear to turbid
Content of free SO₃ (acidimetric): 64 - 66 %
Residue on ignition: ≤ 0.02 %
The product may be present as a cloudy viscous liquid and form fine suspended particles

Pictograms

CorrosionExclamation mark

Signal Word

Danger

Hazard Statements

Hazard Classifications

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


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


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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