legislation-obligation

Substance Regulatory Obligations

OBL

Sulphur trioxide

EC number: 231-197-3

CAS number: 7446-11-9

Last updated: 16/03/2021
ECHA Legislation Regulatory Obligations

Regulatory obligations may exist for this substance under the legislations under ECHA’s remit or for which ECHA has delegated tasks (i.e. REACH, CLP, BPR, PIC, CAD / CMD, WFD, and POPs). Please check the substance Infocard.

Industrial Emissions Directive

IPPC, Annexes V, VI, VIII - Provisions relating to industrial plants

This list contains emission limit values for polluting substances in waste gases and waste water, assigned according to facility type (i.e., combustion plants (Annex V), waste incineration/co-incineration plants (Annex VI), and installations producing titanium dioxide (Annex VIII)), under Directive 2010/75/EU on Industrial Emissions (Integrated Pollution Prevention and Control - IPPC). For this list, if a substance presents 2 values in the ''Average sampling duration'' field, these indicate minimum and maximum average sampling period.

Name CAS Expressed As Annex Group Average duration qualifier Average limit Maximum limit Average sampling duration Emission medium fuel Fuel class Part Point Thermal input Process/equipment Qualifier Notes  
Sulphur trioxide
7446-11-9
As SO2 equivalent
VIII Annex VIII (Directive 2010/75/EU) Technical provisions relating to installations producing titanium dioxide
Gaseous sulphur dioxide and trioxide
500 mg/nm3
1 hour
Waste gases
Part 2 (VIII) Emission limit values into air
Installations producing titanium dioxide
From digestion and calcination, including acid droplets
42 The emission limit values which are expressed as concentrations in mass per cubic meter (Nm3) shall be calculated at a temperature of 273,15 K, and a pressure of 101,3 kPa
Details
Inland Transport of Dangerous Goods Directive

Inland Transport of Dangerous Goods Directive, Annex I - ADR

This list contains the ADR Dangerous Goods List, as implemented by the European Union's Directive 2008/68/EC. This Directive applies the European Agreements on the international transport of dangerous goods by road (ADR) and inland waterways (ADN), and the regulations concerning the international carriage of dangerous goods by rail (RID).

Name CAS Class Labels Packing Group Packaging UN No. ADR tank Classification code Hazard identification no. Limited and excepted quantities Vehicle for tank carriage Portable tank and bulk containers Special provisions Special provisions for carriage Transport category (Tunnel restriction code) Notes  
Mixed packing provisions Special packing provisions Packing instructions Tank code Special provisions Excepted quantities Limited quantities Unit Instructions Special provisions bulk Loading, unloading & handling Operation Packages Tunnel restriction code Transport category
SULPHUR TRIOXIDE, STABILIZED
7446-11-9
8
8
I
MP8
MP17
P001
1829
L10BH
TU32
TE13
TT5
TM3
C1
X88
E0
AT
T20
TP4
TP25
TP26
386
623
S4
S20
(E)
1
1 Not permitted to be carried in limited quantities
Details

Inland Transport of Dangerous Goods Directive, Annex II - RID

This list contains the RID Dangerous Goods List, as implemented by the European Union's Directive 2008/68/EC. This Directive applies the European Agreements on the international transport of dangerous goods by road (ADR) and inland waterways (ADN), and the regulations concerning the international carriage of dangerous goods by rail (RID).

Name CAS Class Labels Packing Group UN No. Classification code Express parcels Hazard identification number RID Tanks Limited and excepted quantities Packaging Portable tanks and bulk containers Transport category Special provisions for carriage Special provisions Notes  
Tank code Special provisions Excepted quantities Units Limited quantities Special packaging provisions Packaging instructions Mixed packing provisions Special provisions Instructions Loading, unloading & handling bulk Packages
SULPHUR TRIOXIDE, STABILIZED
7446-11-9
8
8
I
1829
C1
X88
L10BH
TU32
TU38
TE13
TE22
TT5
TM3
E0
P001
MP8
MP17
TP4
TP26
T20
1
386
623
1 Not permitted to be carried in limited quantities
Details

Inland Transport of Dangerous Goods Directive, Annex III - ADN

This list contains the ADN Dangerous Goods List, as implemented by the European Union's Directive 2008/68/EC. This Directive establishes rules for the safe transport of dangerous goods between EU countries by road (ADR) and inland waterways (ADN), and the regulations concerning the international carriage of dangerous goods by rail (RID).

Name CAS Class Labels Packing Group UN No. or ID no. Carriage permitted Classification code Equipment required Limited and excepted quantities Number of blue cones/lights Provisions concerning loading, unloading and carriage Ventilation Remarks Special provisions Notes  
Excepted quantities Limited quantities Units Column (11c) Column (11b) Column (11a)
SULPHUR TRIOXIDE, STABILIZED
7446-11-9
8
8
I
1829
C1
PP
EP
E0
0
386
623
1 Not permitted to be carried in limited quantities
Details

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