Chlorosulphonic acid


Information about Chlorosulphonic acid is for educational purposes only. ALS Environmental provides no warranty, expressed or implied, as to the accuracy, reliability or completeness of furnished data. ALS Environmental is a laboratory testing network and is not affiliated with the U.S. Department of Transportation, the Emergency Response Guidebook (ERG) or safety materials. Analytical testing dots

Material Name:  Chlorosulphonic acid

UN/NA ID:  1754

Emergency Response Guide Number:  137

CAS Number(s):  7790-94-5, 7446-11-9

Chlorosulfonic acid

Gas:  HCl

Analytical testing dots *Toxic inhalation hazard - Refer to isolation and protective action distances. IF A FIRE IS INVOLVED, ALSO CONSULT the assigned guide (orangebordered pages of your ERG) and apply as appropriate the evacuation information shown under PUBLIC SAFETY. Analytical testing dots

Isolation & Protective Action Distances for "Chlorosulfonic acid (when spilled on land)":

Small Spills:

First ISOLATE in all directionsPROTECT persons downwind: DayPROTECT persons downwind: Night
30 m (100 ft)0.1 km (0.1 miles)0.1 km (0.1 miles)

Large Spills:

First ISOLATE in all directionsPROTECT persons downwind: DayPROTECT persons downwind: Night
30 m (100 ft)0.3 km (0.2 miles)0.4 km (0.3 miles)

Analytical testing dots

Isolation & Protective Action Distances for "Chlorosulfonic acid (when spilled in water)":

Small Spills:

First ISOLATE in all directionsPROTECT persons downwind: DayPROTECT persons downwind: Night
30 m (100 ft)0.1 km (0.1 miles)0.5 km (0.3 miles)

Large Spills:

First ISOLATE in all directionsPROTECT persons downwind: DayPROTECT persons downwind: Night
60 m (200 ft)1.0 km (0.6 miles)2.9 km (1.8 miles)

Analytical testing dots

Isolation & Protective Action Distances for "Chlorosulfonic acid and Sulfur trioxide mixture (when spilled on land)":

Small Spills:

First ISOLATE in all directionsPROTECT persons downwind: DayPROTECT persons downwind: Night
60 m (200 ft)0.4 km (0.2 miles)1.0 km (0.6 miles)

Large Spills:

First ISOLATE in all directionsPROTECT persons downwind: DayPROTECT persons downwind: Night
300 m (1000 ft)2.9 km (1.8 miles)5.7 km (3.6 miles)

Analytical testing dots

Isolation & Protective Action Distances for "Chlorosulfonic acid and Sulfur trioxide mixture (when spilled in water)":

Small Spills:

First ISOLATE in all directionsPROTECT persons downwind: DayPROTECT persons downwind: Night
30 m (100 ft)0.1 km (0.1 miles)0.5 km (0.3 miles)

Large Spills:

First ISOLATE in all directionsPROTECT persons downwind: DayPROTECT persons downwind: Night
60 m (200 ft)1.0 km (0.6 miles)2.9 km (1.8 miles)

Analytical testing dots

Isolation & Protective Action Distances for "Chlorosulphonic acid (when spilled on land)":

Small Spills:

First ISOLATE in all directionsPROTECT persons downwind: DayPROTECT persons downwind: Night
30 m (100 ft)0.1 km (0.1 miles)0.1 km (0.1 miles)

Large Spills:

First ISOLATE in all directionsPROTECT persons downwind: DayPROTECT persons downwind: Night
30 m (100 ft)0.3 km (0.2 miles)0.4 km (0.3 miles)

Analytical testing dots

Isolation & Protective Action Distances for "Chlorosulphonic acid (when spilled in water)":

Small Spills:

First ISOLATE in all directionsPROTECT persons downwind: DayPROTECT persons downwind: Night
30 m (100 ft)0.1 km (0.1 miles)0.5 km (0.3 miles)

Large Spills:

First ISOLATE in all directionsPROTECT persons downwind: DayPROTECT persons downwind: Night
60 m (200 ft)1.0 km (0.6 miles)2.9 km (1.8 miles)

Analytical testing dots

Isolation & Protective Action Distances for "Chlorosulphonic acid and Sulphur trioxide mixture (when spilled on land)":

Small Spills:

First ISOLATE in all directionsPROTECT persons downwind: DayPROTECT persons downwind: Night
60 m (200 ft)0.4 km (0.2 miles)1.0 km (0.6 miles)

Large Spills:

First ISOLATE in all directionsPROTECT persons downwind: DayPROTECT persons downwind: Night
300 m (1000 ft)2.9 km (1.8 miles)5.7 km (3.6 miles)

Analytical testing dots

Isolation & Protective Action Distances for "Chlorosulphonic acid and Sulphur trioxide mixture (when spilled in water)":

Small Spills:

First ISOLATE in all directionsPROTECT persons downwind: DayPROTECT persons downwind: Night
30 m (100 ft)0.1 km (0.1 miles)0.5 km (0.3 miles)

Large Spills:

First ISOLATE in all directionsPROTECT persons downwind: DayPROTECT persons downwind: Night
60 m (200 ft)1.0 km (0.6 miles)2.9 km (1.8 miles)

Analytical testing dots

Isolation & Protective Action Distances for "Sulfur trioxide and Chlorosulfonic acid mixture (when spilled on land)":

Small Spills:

First ISOLATE in all directionsPROTECT persons downwind: DayPROTECT persons downwind: Night
60 m (200 ft)0.4 km (0.2 miles)1.0 km (0.6 miles)

Large Spills:

First ISOLATE in all directionsPROTECT persons downwind: DayPROTECT persons downwind: Night
300 m (1000 ft)2.9 km (1.8 miles)5.7 km (3.6 miles)

Analytical testing dots

Isolation & Protective Action Distances for "Sulfur trioxide and Chlorosulfonic acid mixture (when spilled in water)":

Small Spills:

First ISOLATE in all directionsPROTECT persons downwind: DayPROTECT persons downwind: Night
30 m (100 ft)0.1 km (0.1 miles)0.5 km (0.3 miles)

Large Spills:

First ISOLATE in all directionsPROTECT persons downwind: DayPROTECT persons downwind: Night
60 m (200 ft)1.0 km (0.6 miles)2.9 km (1.8 miles)

Analytical testing dots

Isolation & Protective Action Distances for "Sulphur trioxide and Chlorosulphonic acid mixture (when spilled on land)":

Small Spills:

First ISOLATE in all directionsPROTECT persons downwind: DayPROTECT persons downwind: Night
60 m (200 ft)0.4 km (0.2 miles)1.0 km (0.6 miles)

Large Spills:

First ISOLATE in all directionsPROTECT persons downwind: DayPROTECT persons downwind: Night
300 m (1000 ft)2.9 km (1.8 miles)5.7 km (3.6 miles)

Analytical testing dots

Isolation & Protective Action Distances for "Sulphur trioxide and Chlorosulphonic acid mixture (when spilled in water)":

Small Spills:

First ISOLATE in all directionsPROTECT persons downwind: DayPROTECT persons downwind: Night
30 m (100 ft)0.1 km (0.1 miles)0.5 km (0.3 miles)

Large Spills:

First ISOLATE in all directionsPROTECT persons downwind: DayPROTECT persons downwind: Night
60 m (200 ft)1.0 km (0.6 miles)2.9 km (1.8 miles)

Analytical testing dots* Water reactive material. Refer to isolation and protective action distances. IF A FIRE IS INVOLVED, ALSO CONSULT the assigned guide (orangebordered pages of your ERG) and apply as appropriate the evacuation information shown under PUBLIC SAFETY. Please consult your ERG.  

Related Hazardous Material(s):  Chlorosulfonic acid (with or without sulfur trioxide)  


Materials related to Chlorosulphonic acid:
Hydrocyanic acid, aqueous solutions, with more than 20% Hydrogen cyanide    Picric acid, wet, with not less than 10% water    Picric acid, wetted with not less than 30% water    Trinitrobenzoic acid, wetted with not less than 30% water    Chromic acid, solid    Arsenic acid, liquid    Arsenic acid, solid    Cacodylic acid    Hydrocyanic acid, aqueous solution, with less than 5% Hydrogen cyanide    Hydrocyanic acid, aqueous solution, with not more than 20% Hydrogen cyanide   


(4-Nonylphenoxy)acetic Acid    (4-Nonylphenoxy)acetic Acid    12-Chlorodehydroabietic Acid    14-Chlorodehydroabietic Acid    2,2-Dimethylpropanoic Acid (Pivalic Acid)    2,3-Dibromopropionic Acid    2,4,5-T    2,4,5-TP    2,4,5-TP, STLC    2,4,5-TP, TCLP   


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*ALS Environmental provides no warranty, expressed or implied, as to the accuracy, reliability or completeness of furnished data. ALS Environmental is a laboratory testing network and is not affiliated with the U.S. Department of Transportation, the Emergency Response Guidebook (ERG) or safety materials. This resource is provided as a convenience for informational purposes only and should not be relied upon as a guide for an actual emergency.


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