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UN 2988: CHLOROSILANES, WATER-REACTIVE, FLAMMABLE, CORROSIVE, N.O.S.

UN 2988 (CHLOROSILANES, WATER-REACTIVE, FLAMMABLE, CORROSIVE, N.O.S.) belongs to ADR class 4.3 (Substances which emit flammable gases on contact with water). Packing group: I. Hazard identification number: X338. Tunnel restriction code: B/E.

Classification code
WFC
Packing group
I
Warning labels
4.3, 3, 8
Hazard identification number (Kemler)The first digit is the main hazard (2 gas, 3 flammable liquid, 4 flammable solid, 5 oxidising, 6 toxic, 8 corrosive, 9 miscellaneous), the next digits are additional hazards, a repeated digit (e.g. 33) means an intensified hazard, an X before the number means a dangerous reaction with water.
X338
Tunnel restriction code
B/E: Code with a slash: the restriction depends on the way of carriage (in a tank or otherwise). See table 8.6.4 of ADR. Tunnel categories in the code: B, E.
Transport categoryThe transport category (0 to 4) sets the multiplier: according to ADR Check, category 1: multiplier 50, category 2: multiplier 3, category 3: multiplier 1, category 4: multiplier 0 (no limit), and category 0 means the exemption does not apply. Points are the net quantity (kg or L) times the multiplier.
0
Limited quantity (LQ)The largest quantity per inner packaging for which carriage can use the limited-quantity rules.
0
Excepted quantity (EQ)A code indicating the limits for excepted quantities; its content is given in the text of ADR.
E0
Packing instructionsPacking instruction codes (e.g. P, IBC, R) indicate which packagings are permitted.
P401
Special packing provisionsCodes (e.g. PP, BB) add requirements to the packing instruction.
RR7
Mixed packingCodes (MP) say how this substance may be packed together with others in one outer packaging.
MP2
Carriage: packagesThe codes indicate provisions on carriage, loading and unloading.
V1
Loading, unloading and handlingThe codes indicate provisions on carriage, loading and unloading.
CV23
Operation of the vehicleCodes (e.g. S2, S20) indicate additional operating provisions for carriage.
S2, S20

The content of the packing codes and the carriage provisions is in ADR, chapters 4.1 and 7.

Special provisions

  • 549: Chlorosilanes having a flash-point of less than 23 °C and which, in contact with water, do not emit flammable gases are substances of Class 3. Chlorosilanes having a flash-point equal to or greater than 23 °C and which, in contact with water, do not emit flammable gases are substances of Class 8.

Tools

Limited quantities (LQ) · 1000-point calculator · Load compatibility

Data: ADR Check (adr.exportsy.pl). Basis: European Agreement concerning the International Carriage of Dangerous Goods by Road (ADR). For guidance only, it does not replace the text of the Agreement or the assessment of a dangerous goods safety adviser (DGSA).