Selenium compound, liquid, n.o.s
Selenium is a chemical element; it has the symbol Se and atomic number 34. It has various physical appearances, including a brick-red powder, a vitreous black solid, and a grey metallic-looking form. It seldom occurs in this elemental state or as pure ore compounds in Earth's crust. Selenium (from Ancient Greek σελήνη (selḗnē) 'moon') was discovered in 1817 by Jöns Jacob Berzelius, who noted the similarity of the new element to the previously discovered tellurium (named for the Earth). Selenium is found in metal sulfide ores, where it substitutes for sulfur. Wikipedia
Emergency Response Guide No. 151 |
Data from the Hazardous Materials Table
Source: 49 CFR §172 (2018/07)(3) Hazard Class6.1Poisonous Material |
(4) Identification numberUN 3440 |
(5) Packing GroupI |
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(6) Labels |
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(1) SymbolsThis entry is signed with "G". The letter "G" identifies proper shipping names for which one or more technical names of the hazardous material must be entered in parentheses, in association with the basic description. (See §172.203(k)). (7) Special Provisions (§172.102) ×Note: Special provisions may be very complex. The extracts are taken from 49 CFR §172.102. Please be careful with the information, as necessary, additional conditions may be applied that are not written here. Please check the original source and report bugs.
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(8) Packing Authorizations (§173.***)
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(9) Quantity Limits
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(10) Vessel stowage
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(3) Hazard Class6.1Poisonous Material |
(4) Identification numberUN 3440 |
(5) Packing GroupII |
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(6) Labels |
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(1) SymbolsThis entry is signed with "G". The letter "G" identifies proper shipping names for which one or more technical names of the hazardous material must be entered in parentheses, in association with the basic description. (See §172.203(k)). (7) Special Provisions (§172.102) ×Note: Special provisions may be very complex. The extracts are taken from 49 CFR §172.102. Please be careful with the information, as necessary, additional conditions may be applied that are not written here. Please check the original source and report bugs.
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(8) Packing Authorizations (§173.***)
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(9) Quantity Limits
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(10) Vessel stowage
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(3) Hazard Class6.1Poisonous Material |
(4) Identification numberUN 3440 |
(5) Packing GroupIII |
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(6) Labels |
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(1) SymbolsThis entry is signed with "G". The letter "G" identifies proper shipping names for which one or more technical names of the hazardous material must be entered in parentheses, in association with the basic description. (See §172.203(k)). (7) Special Provisions (§172.102) ×Note: Special provisions may be very complex. The extracts are taken from 49 CFR §172.102. Please be careful with the information, as necessary, additional conditions may be applied that are not written here. Please check the original source and report bugs.
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(8) Packing Authorizations (§173.***)
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(9) Quantity Limits
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(10) Vessel stowage
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Comparison View of Different Packing Groups
More than one packing group is indicated for this entry. Criteria for assignment see 49 CFR §173 Subpart D. You can find specific details in the tabs above. Differences are highlighted.
PG I | PG II | PG III | |
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1 | G | G | G |
2 | Selenium compound, liquid, n.o.s | Selenium compound, liquid, n.o.s | Selenium compound, liquid, n.o.s |
3 | 6.1 | 6.1 | 6.1 |
4 | UN 3440 | UN 3440 | UN 3440 |
5 | I | II | III |
6 | 6.1 | 6.1 | 6.1 |
7 | T14, TP2, TP27 | IB2, T11, TP2, TP27 | IB3, T7, TP1, TP28 |
8A | None | 153 | 153 |
8B | 201 | 202 | 203 |
8C | 243 | 243 | 241 |
9A | 1 L | 5 L | 60 L |
9B | 30 L | 60 L | 220 L |
10A | B | B | A |
10B | n/a | n/a | n/a |
Segregation Chart for Load, Transport, Storage
In this table a statement is contained for each hazard class whether the loading, transport or storage with other hazard classes is allowed, is not permitted or is restricted. The table is based on U.S.-Code 49 CFR §177.848.
- §177.834 - General requirements
- §177.835 - Class 1 materials
- §177.837 - Class 3 materials
- §177.838 - Class 4 (flammable solid) materials, Class 5 (oxidizing) materials, and Division 4.2 (pyroforic liquid) materials.
- §177.839 - Class 8 (corrosive) materials
- §177.840 - Class 2 (gases) materials
- §177.841 - Division 6.1 and Division 2.3 materials
- §177.842 - Class 7 (radioactive) material
- §177.843 - Contamination of vehicles.
Substances with similar name
UN-Number | Name | Hazard Class |
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UN 3283 | Selenium compound, solid, n.o.s | 6.1 |
UN 2657 | Selenium disulfide | 6.1 |
UN 2194 | Selenium hexafluoride | 2.3 |
UN 2879 | Selenium oxychloride | 8 |