CHLOROSULFONIC ACID (with or without SO3)

UN Number: 1754

Also known as: ACIDE CHLOROSULFONIQUE (avec ou sans SO3), CHLOROSULFURIC ACID
Information on chemical

Information on chemical

External resources

CAMEO Chemical Database
WISER Substance List

Description

UN number 1754

Physical chemical data

Physical State (20°C) Liquid
Density (kg/m3)
1750 [Kg/m³] at a temperature of 20°C
Molar mass (g/mol) 116.53
Density of gas (kg/m3) 5.16
Boiling Point (°C) 155
Melting Point (°C) -80
Vapour Pressure (Pa)
130 [Pa] at a temperature of 20°C

Behaviour at sea

Persistence (days) 0.8

Additional data

Colour colourless to light yellow
Odour sharp, choking odour
Standard behavior classification D, SD

Transportation data

State liquid
Temperature (°C) ambient
Pressure (Pa) under pressure

Reactivity data

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

GESAMP Hazard profile

Human toxicity threshold

ERPG-2 (ppm) 10
ERPG-3 (ppm) 30

Ecotoxicity

Incident reports

Incident reports

No incident reports available

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: 8-03

STRONG CORROSIVE SUBSTANCES, NON-COMBUSTIBLE; STOWAGE "ON DECK ONLY".

Emergency procedures

Action

Turn ship off-wind.

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

Not applicable.

Fire on deck

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

Fire under deck

Not applicable.

Special equipment to be carried

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

Remarks by UN no.

• CHLOROSULPHONIC ACID (UN No. 1754)
• BORON TRIBROMIDE (UN No. 2692)
Very violent reaction with water; avoid water, if possible use soda ash to neutralize spillage.

Decision trees

Decision trees

No decision trees available

No additional data

last modified 2023-01-23T11:31:47+00:00

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