OLEUM (20-65% free SO3)

UN Number: 1831

Information on chemical

Information on chemical

External resources

CAMEO Chemical Database
WISER Substance List

Description

UN number 1831

Physical chemical data

Physical State (20°C) Liquid
Density (kg/m3)
1920/1990 [Kg/m³] at a temperature of 20°C
Molar mass (g/mol) 80.1 (pure)
Density of gas (kg/m3) 3.48
Boiling Point (°C) 55/139
Vapour Pressure (Pa)
900 [Pa] at a temperature of 20°C

Behaviour at sea

Additional data

Colour colourless to brown
Odour pungent, sharp, choking

Transportation data

Transport mode Bulk,Packaged
State liquid
Temperature (°C) ambient

Reactivity data

Water Yes
Acid(s) Yes
Base(s) Yes
Metal(s) and alloys Yes (cast iron)
Oxidizing agents Yes
Reducing agents Yes
Combustibles Yes
Organic substance Yes

GESAMP Hazard profile

Skin irritation/corrosivity (D1) 3C - Corrosive

Human toxicity threshold

IDHL 15 mg/m3
TLV-TWA 1 mg/m3
ERPG-2 (ppm) 10
ERPG-3 (ppm) 30

Ecotoxicity

Incident reports

Incident reports

Year Vessel Location Cargo type
1976 Barge AC38 Chesapeake Bay, USA Bulk
1988 Barge ACO-501 Mississipi River, USA Bulk
Emergency Response Guidebook

Emergency Response Guidebook

Guide number: 137

See the guide or download the emergency response guidebook

At sea emergency guide

At sea emergency guide

Emergency schedule: 8-06

CORROSIVE SUBSTANCES, NON-COMBUSTIBLE.

Emergency procedures

Spillage on deck

Use of water on substance may cause violent reaction. Wash overboard with copious quantities of water from as far away as practicable.

Spillage under deck

Collect spillage, where practicable, using inert absorbent material for liquids, for safe disposal.

Fire on deck

If possible remove receptacles likely to be involved or keep them cool with water.

Fire under deck

Adopt action as for "On deck".

Special equipment to be carried

Protective clothing (gloves, boots, coveralls, headgear).
Self-contained breathing apparatus.
Inert absorbent material (e.g. diatomaceous earth)
Spray nozzles.

Remarks by UN no.

• ALUMINIUM BROMIDE, ANHYDROUS (UN No. 1725)
• ALUMINIUM CHLORIDE, ANHYDROUS (UN No. 1726)
• HYDROGENDIFLUORIDES, N.O.S. (UN No. 1740)
• DIFLUOROPHOSPHORIC ACID, ANHYDROUS (UN No. 1768)
• FLUOROBORIC ACID (UN No. 1775)
• FLUOROPHOSPHORIC ACID, ANHYDROUS (UN No. 1776)
• FLUOROSILICIC ACID (UN No. 1778)
• HEXAFLUOROPHOSPHORIC ACID (UN No. 1782)
• SULPHUR TRIOXIDE, INHIBITED (UN No. 1829)
• SULPHURIC ACID, FUMING (UN No. 1831)
• ZINC CHLORIDE, ANHYDROUS (UN No. 2331)
• VANADIUM TRICHLORIDE (UN No. 2475)
• ZIRCONIUM TETRACHLORIDE (UN No. 2503)
• CYANURIC CHLORIDE (UN No. 2670)
• AMMONIA SOLUTION (UN No. 2672), with more than 10% but not more than 35%
ammonia, by mass.
• PHOSPHORUS PENTABROMIDE (UN No. 2691)
Turn ship off-wind.

Decision trees

Decision trees

No decision trees available

No additional data

last modified 2020-12-14T09:02:59+00:00