Methylaluminium sesquibromide, liquid, pyrophoric

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Detailinfo ADR 2025

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Substance information(collapsed)

The BAM name is based on the "name and description" from the regulations and the IUPAC rules, but may be supplemented with further information so that significant differences between two dangerous goods data sets are apparent.

Language BAM name
German Methylaluminiumsesquibromid, flüssig, pyrophor
English Methylaluminium sesquibromide, liquid, pyrophoric
French Sesquibromure de méthyldialuminium, liquide pyrophorique

The aggregate state is given under normal conditions, i.e. at room temperature of 20 °C and normal pressure of 101.3 kPa.

Aggre­gate state
under normal con­di­tions liquid
during trans­port liquid

The formula describes the chemical composition of a substance.

Formula
C3H9Al2Br3

The BAM number is used to uniquely identify a substance or object in the BAM dangerous goods data pool.

BAM no. 988
CAS no. 12263-85-3
EC no. 235-532-4
Index no.
ZVG nos.

Classification(collapsed)
General
UN no. 3394
Class
Labels 4.2 +
4.3
Packing group
Compati­bility group
Spe­cial pro­vi­sions
Land transport
Classification code
Transport category 0
Hazard identification number
Transport status
allowed

Remark (german): Die UN-Nr. 3052 wurde zum 01.01.2007 gestrichen, daher muss dieser Stoff unter der Sammeleintragung UN-Nr. 3394 befördert werden.


Names(collapsed)
Transport document names 6
German 1 PYROPHORER METALLORGANISCHER FLÜSSIGER STOFF, MIT WASSER REAGIEREND (Methylaluminiumsesquibromid)
German 2 PYROPHORER METALLORGANISCHER FLÜSSIGER STOFF, MIT WASSER REAGIEREND (Tribromtrimethyldialuminium)
English 1 ORGANOMETALLIC SUBSTANCE, LIQUID, PYROPHORIC, WATER-REACTIVE (Methylaluminium sesquibromide)
English 2 ORGANOMETALLIC SUBSTANCE, LIQUID, PYROPHORIC, WATER-REACTIVE (Tribromotrimethyldialuminium)
French 1 MATIÈRE ORGANOMÉTALLIQUE LIQUIDE PYROPHORIQUE, HYDRORÉACTIVE (Sesquibromure de méthyldialuminium)
French 2 MATIÈRE ORGANOMÉTALLIQUE LIQUIDE PYROPHORIQUE, HYDRORÉACTIVE (Tribromotriméthyldialuminium)
Instruction names 3
English ORGANOMETALLIC SUBSTANCE, LIQUID, PYROPHORIC, WATER-REACTIVE
German PYROPHORER METALLORGANISCHER FLÜSSIGER STOFF, MIT WASSER REAGIEREND
French MATIÈRE ORGANOMÉTALLIQUE LIQUIDE PYROPHORIQUE, HYDRORÉACTIVE
Synonyms 0
Synonyms for transport documents 3
English Tribromotrimethyldialuminium
French Tribromotriméthyldialuminium
German Tribromtrimethyldialuminium
INCI synonyms 0
Synonyms (not recommended) 0

Transport exlusions(collapsed)
Transport status of this substance/article allowed
Verlagerung und Fahrweg im Straßenverkehr nach §35 / §35a der GGVSEB
Transport in tanks from 3000 l
Transport in packages from not applicable
Restrictions for road tunnels
Tunnel restriction code

Labelling(collapsed)
Packagings
Label / Mark
IBC
Label / Mark
Notice not stated - the carriage in intermediate bulk containers (IBCs) is forbidden.
Large packagings (LP)
Label / Mark
Notice not stated - carriage in large packagings is forbidden
Tanks
Placard / Mark
Orange plate
Warnings DO NOT OPEN DURING CARRIAGE. LIABLE TO SPONTANEOUS COMBUSTION.
Vehicles
Placard / Mark
Orange plate
Notice not stated - no placards/markings required
Quantity according to 1.1.3.6
Containers
Placard / Mark
Orange plate
Quantity according to 1.1.3.6
Bulk
Placard / Mark
Orange plate
Notice not stated - carriage in bulk is forbidden
UN multiple-element gas containers (MEGCs)
Placard / Mark
Orange plate
Notice not stated - carriage in ADR MEGC/battery-vehicles and UN MEGC is not authorized

Limited and excepted quantities(collapsed)

Values in "ml" and "L" refer to substances that are liquid under normal conditions (temperature 20 °C, density 1013 mbar). Values in "g" and "kg" refer to substances that generally have a melting point greater than 20 °C. Solid substances that can liquefy during transport may only be transported in packagings that are suitable for liquids (paper bags, for example, are not permitted).

Limited quantities(collapsed)

No exemption according to the provisions of Chapter 3.4 possible

Excepted quantities(collapsed)

E0, No exemption according to the provisions of Chapter 3.5 possible

Exemption according to subsection 1.1.3.6(collapsed)

If several dangerous goods with different transport categories or maximum permissible quantities in packages are transported in one transport unit, the total calculated in accordance with subsection 1.1.3.6 shall not exceed 1,000.

Limited quantity according to 1.1.3.6 0 L
Trans­port cate­gory 0
Please also note the Extracts from ADR, subsection 1.1.3.6.

Containments(collapsed)
Single packagings(collapsed)
Permission Transport in packagings is generally permitted.
Instructions P400
Special provisions
PP86
Requirements Show requirements

Unless otherwise stated, the quantities indicated for the packagings in the table below refer to the maximum capacity (in litres, "l") or the maximum net mass (in kilograms, "kg"). For some quantities, an additional note with the requirements is displayed.

Number UN-Code Quantity (l/kg), opt. note
See requirements
Combination packagings(collapsed)
Combination packagings
Code
Special Provisiona/Remarks
Packing methods(collapsed)
Packing method
Notice For this substance or article no packing procedure applies.
Intermediate bulk containers (IBC)(collapsed)
Intermediate bulk containers (IBC)
Permission Transport in intermediate bulk containers (IBCs) is not permitted.
Number UN-Code Permission Requirements
0
Large packagings(collapsed)
Permission Transport in large packagings is not permitted.
Notice not stated - carriage in large packagings is forbidden
Bulk(collapsed)
Bulk
The transport in bulk is according to subsection 7.3.1.1b): forbidden
Special requirements according to 7.3.3
Bulk container(collapsed)
Bulk container
The transport in bulk conainers is according to subsection 7.3.1.1a): forbidden
Special requirements according to 7.3.2
Tanks(collapsed)
Tanks
Permissibility Transport in tanks is generally permitted.
ADR Tanks
Permissibility Transport in ADR/RID tanks is generally permitted.
Tank code
Special provisions
,
,
,
,
,
Vehicle for tank carriage
UN Tanks
Permissibility Transport in portable tanks (UN tanks) is permitted.
Tank instruction
Special provisions
,
,
,
Additional information
Substance-related remark

Exceptions(collapsed)

The following is a list of exceptions from the regulations on the transport of dangerous goods (Gefahrgut-Ausnahmeverordnung - GGAV 2002, PDF (German)), which may be relevant for the current substance for transport within Germany.
The scope of the GGAV refers to the GGVSEB (Gefahrgutverordnung Straße, Eisenbahn und Binnenschifffahrt) and GGVSee (Gefahrgutverordnung See).

Exception Title Validity
8 B unlimited
18 S 30.06.2027
31 S 30.06.2027
32 S E unlimited
34 M unlimited

The Memorandum of Understanding for the transport of packaged dangerous goods by Ro/Ro ships in the Baltic Sea is a further exception in accordance with section 7 paragraph 2 of the GGVSee in conjunction with section 7.9.1 of the IMDG Code.


Agreements(collapsed)

The following agreements may be important for transport in Germany.

Agree­ment Instruc­tion type Title, Publication status, Signatory states Validity
none valid in Germany

Further provisions(collapsed)
Package provisions
Provision
Unless otherwise provided, packages may be loaded:
  1. in closed vehicles or in closed containers; or
  2. in sheeted vehicles or in sheeted containers; or
  3. in open vehicles or in open containers.
Requirements for equipment and operation
According to chapter 8.1 ADR the following requirements concerning transport units and equipment on board apply
Additional requirements
Security provisions
High consequence dangerous good according to table 1.10.3.1.2 "Indicative List of High Consequence Dangerous Goods"!
Chapter 1.10 Security Provisions
Amounts: Exceeding the amounts mentioned below leads to a classification as a high consequence dangerous good:
Packages [kg] The provisions of 1.10.3 do not apply, whatever the quantity is.
Bulk [kg] not relevant
Tank [litres] High consequence dangerous good where the quantity of the substance carried exceeds 3000 l.

Mixed packing(collapsed)

According to Table A, Chapter 3.2 of ADR/RID, the following encodings apply:

Encodings

Section 4.1.10 applies:

4.1.10 Special provisions for mixed packing

4.1.10.1 When mixed packing is permitted in accordance with the provisions of this section, different dangerous goods or dangerous goods and other goods may be packed together in combination packagings conforming to 6.1.4.21, provided that they do not react dangerously with one another and that all other relevant provisions of this Chapter are complied with.

NOTE 1: See also 4.1.1.5 and 4.1.1.6.
NOTE 2: For radioactive material, see 4.1.9.

4.1.10.2 Except for packages containing Class 1 goods only or Class 7 goods only, if wooden or fibreboard boxes are used as outer packagings, a package containing different goods packed together shall not weigh more than 100 kg.

4.1.10.3 Unless otherwise prescribed by a special provision applicable according to 4.1.10.4, dangerous goods of the same class and the same classification code may be packed together.

See also subsections 4.1.1.5 and 4.1.1.6, section 5.1.4 and subsection 6.1.4.21:

4.1.1.5 Inner packagings shall be packed in an outer packaging in such a way that, under normal conditions of carriage, they cannot break, be punctured or leak their contents into the outer packaging. Inner packagings containing liquids shall be packed with their closures upward and placed within outer packagings consistent with the orientation marks prescribed in 5.2.1.10. Inner packagings that are liable to break or be punctured easily, such as those made of glass, porcelain or stoneware or of certain plastics materials, etc., shall be secured in outer packagings with suitable cushioning material. Any leakage of the contents shall not substantially impair the protective properties of the cushioning material or of the outer packaging.

4.1.1.5.1 Where an outer packaging of a combination packaging or a large packaging has been successfully tested with different types of inner packagings, a variety of such different inner packagings may also be assembled in this outer packaging or large packaging. In addition, provided an equivalent level of performance is maintained, the following variations in inner packagings are allowed without further testing of the package:

  1. Inner packagings of equivalent or smaller size may be used provided:
    1. the inner packagings are of similar design to the tested inner packagings (e.g. shape – round, rectangular, etc.);
    2. the material of construction of the inner packagings (glass, plastics, metal, etc.) offers resistance to impact and stacking forces equal to or greater than that of the originally tested inner packaging;
    3. the inner packagings have the same or smaller openings and the closure is of similar design (e.g. screw cap, friction lid, etc.);
    4. sufficient additional cushioning material is used to take up void spaces and to prevent significant movement of the inner packagings; and
    5. inner packagings are oriented within the outer packaging in the same manner as in the tested package.
  2. A lesser number of the tested inner packagings, or of the alternative types of inner packagings identified in (a) above, may be used provided sufficient cushioning is added to fill the void space(s) and to prevent significant movement of the inner packagings.

4.1.1.6 Dangerous goods shall not be packed together in the same outer packaging or in large packagings, with dangerous or other goods if they react dangerously with each other and cause:

  1. combustion or evolution of considerable heat;
  2. evolution of flammable, asphyxiant, oxidizing or toxic gases;
  3. the formation of corrosive substances; or
  4. the formation of unstable substances.

[...]

5.1.4 Mixed packing

When two or more dangerous goods are packed within the same outer packaging, the package shall be labelled and marked as required for each substance or article. If the same label is required for different goods, it only needs to be applied once.

6.1.4.21 Combination packagings

The relevant requirements of section 6.1.4 for the outer packagings to be used, are applicable.

NOTE: For the inner and outer packagings to be used, see the relevant packing instructions in Chapter 4.1.


Mixed Loading, Stowage, Segregation(collapsed)
Mixed loading (with other dangerous goods)
 This substance or article is classified as dangerous good.
Packages bearing different danger labels shall not be loaded together in the same vehicle or container unless mixed loading is permitted according to the following Table based on the danger labels they bear.
Class 1
Class 1.4
Class 1.5
Class 1.6
Class 2.1
Class 2.2
Class 2.3
Class 3
Class 4.1
Class 4.1 + 1
Class 4.2
Class 4.3
Class 5.1
Class 5.2
Class 5.2 + 1
Class 6.1
Class 6.2
Class 7
Class 8
Class 9
Class 9A
Segregation (from other goods)
Precautions with respect to foodstuffs, other articles of consumption and animal feeds: no
Handling
Additional regulations for special classes or goods: No special provisions are indicated for this substance/article

Links to external databases(collapsed)