Selenium compound, solid, n.o.s
Selenium is a chemical element with the symbol Se and atomic number 34. It is a metalloid (more rarely considered a Non Metal) with properties that are intermediate between the elements above and below in the periodic table, sulfur and tellurium, and also has similarities to arsenic. It seldom occurs in its 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 partially replaces the 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 number UN 3283 |
(5) Packing Group I |
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(6) Labels ![]() |
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(1) Symbols This 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 number UN 3283 |
(5) Packing Group II |
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(6) Labels ![]() |
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(1) Symbols This 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 number UN 3283 |
(5) Packing Group III |
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(6) Labels ![]() |
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(1) Symbols This 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, solid, n.o.s | Selenium compound, solid, n.o.s | Selenium compound, solid, n.o.s |
3 | 6.1 | 6.1 | 6.1 |
4 | UN 3283 | UN 3283 | UN 3283 |
5 | I | II | III |
6 | 6.1 | 6.1 | 6.1 |
7 | IB7, IP1, T6, TP33 | IB8, IP2, IP4, T3, TP33 | IB8, IP3, T1, TP33 |
8A | None | 153 | 153 |
8B | 211 | 212 | 213 |
8C | 242 | 242 | 240 |
9A | 5 kg | 25 kg | 100 kg |
9B | 50 kg | 100 kg | 200 kg |
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 |