SULPHUR DIOXIDE liquefied

UN Number: 1079

Also known as: DIOXYDE DE SOUFRE liquefié
Information on chemical

Information on chemical

External resources

CAMEO Chemical Database
WISER Substance List

Description

UN number 1079

Physical chemical data

Physical State (20°C) Gas
Density (kg/m3)
2.967 [Kg/m³] at a temperature of 20°C
Molar mass (g/mol) 64.06
Density of gas (kg/m3) 2.967
Boiling Point (°C) -10
Melting Point (°C) -75
Vapour Pressure (Pa)
324160 [Pa] at a temperature of 20°C

Behaviour at sea

Additional data

Colour colourless
Odour weak rotten egg odour
Standard behavior classification GD, G

Transportation data

Transport mode Gas,Packaged
Ship type 1G
State liquefied gas
Temperature (°C) < 54�
Pressure (Pa) under pressure
IMO class 2(2.3)

Reactivity data

Water Yes
Acid(s) No
Base(s) No
Metal(s) and alloys No
Oxidizing agents No
Reducing agents No
Combustibles No
Organic substance No

GESAMP Hazard profile

Human toxicity threshold

IDHL 100
ERPG-1 (ppm) 0.3
ERPG-3 (ppm) 15

Ecotoxicity

Incident reports

Incident reports

No incident reports available

Emergency Response Guidebook

Emergency Response Guidebook

Guide number: 125

See the guide or download the emergency response guidebook

At sea emergency guide

At sea emergency guide

Emergency schedule: 2-08

LIQUEFIED GASES, NON-FLAMMABLE; TOXIC AND/OR CORROSIVE AND/OR OXIDIZING AGENT.

Emergency procedures

Action

Turn ship off-wind.

Spillage on deck

Stop leak if practicable. Let spilt liquid evaporate, but keep clear.

Spillage under deck

Provide adequate ventilation. Stop leak if practicable. Let spilt liquid evaporate, but keep clear.

Fire on deck

Keep adjacent receptacles cool with copious quantities of water. Remove undamaged cooled receptacles to a safe place.

Fire under deck

Batten down; use ship's fixed fire-fighting installation. Otherwise adopt action as for "On deck".

Special equipment to be carried

Protective clothing (gloves, boots, coveralls, headgear).
Self-contained breathing apparatus.
Spray nozzles.

Remarks by UN no.

• AMMONIA, ANHYDROUS (UN No. 1005)
Wash spillages of solutions overboard with copious quantities of water.

• CHLORINE (UN No. 1017)
Avoid contact with oil and all combustible materials so as to prevent spontaneous combustion or explosion.

• FERTILIZER AMMONIATING SOLUTION (UN No. 1043), with free ammonia.
Wash spillages of solutions overboard with copious quantities of water.

• DINITROGEN TETROXIDE, LIQUEFIED (UN No 1067)
• NITROUS OXIDE, COMPRESSED (UN No. 1070)
• NITRIC OXIDE AND DINITROGEN TETROXIDE MIXTURE (UN No. 1975)
Avoid contact with oil and all combustible materials so as to prevent spontaneous combustion or explosion.

• AMMONIA SOLUTION (UN No. 2073), with more than 35% but not more than 50%
ammonia.
Wash spillages of solutions overboard with copious quantities of water.

• NITROGEN TRIOXIDE (UN No. 2421)
• CHLORINE PENTAFLUORIDE (UN No. 2548)
• BROMINE CHLORIDE (UN No. 2901)
• PERCHLORYL FLUORIDE (UN No. 3083)
• LIQUEFIED GAS, OXIDIZING, N.O.S. (UN No. 3157)
Avoid contact with oil and all combustible materials so as to prevent spontaneous combustion or explosion.

• AMMONIA SOLUTION (UN No. 3318) with more than 50% ammonia.
Wash spillages of solutions overboard with copious quantities of water.

Decision trees

Decision trees

No decision trees available

No additional data

last modified 2023-01-09T14:49:07+00:00

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