HazMat Tool — substance information
Reference only — not a shipping paper, placard mandate, or CVI record.
Tetraethylammonium perchlorate (dry)
HMT 15 June 2026- UN / ID
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- Hazard class
- Forbidden
- Packing group
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- ERG guide
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- Special provisions
- —
- Source
- 49 CFR §172 (15 June 2026)
This Hazmat is classified as "Forbidden". This means the material may not be offered for transportation or transported in the applicable mode of transport.
Tetraethylammonium perchlorate (dry)
Tetraethylammonium (TEA) is a quaternary ammonium cation with the chemical formula +, consisting of four ethyl groups (−CH2CH3 or −C2H5, often abbreviated as −Et) attached to a central nitrogen atom. It is a counterion used in the research laboratory to prepare lipophilic salts of inorganic anions. It is used similarly to tetrabutylammonium, the difference being that its salts are less lipophilic, more easily crystallized and more toxic. Tetraethylammonium is a potassium channel blocker Wikipedia
Hazardous Materials Table
Source: 49 CFR §172 (15 June 2026)(3) Hazard classForbidden |
(4) Identification number |
(5) Packing Group |
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(6) Labels — |
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(7) Special Provisions (§172.102)
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(8) Packing Authorizations (§173.***)
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| (8A) Exceptions | — |
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| (8B) Non-bulk | — |
| (8C) Bulk | — |
(9) Quantity Limits 
| (9A) Passenger aircraft/rail | — |
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| (9B) Cargo aircraft only | — |
(10) Vessel stowage
| (10A) Location | — |
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| (10B) Other | — |
Segregation chart for load, transport, and storage
This chart shows whether loading, transport, or storage with other hazard classes is permitted, prohibited, or restricted. Based on 49 CFR §177.848.
This Hazmat is classified as "Forbidden". This means the material may not be offered for transportation or transported in the applicable mode of transport.