What is UN 3395?
UN 3395: Organometallic substance, solid, water-reactive. US class 4.3; PG I, II, III.
- UN number
- UN 3395
- Proper shipping name (first listed)
- Organometallic substance, solid, water-reactive
- US class or division (first name)
- 4.3
- Packing groups (first name)
- I, II, III
- Source rows for this UN number
- 3
- Table jurisdiction
- United States HMT; not an ADR table
- Version
- 49 CFR 172.101, revised 1 October 2025
- Official source
- US Government Publishing Office, 49 CFR 172.101 HMT
Source row 2507
Proper shipping name: Organometallic substance, solid, water-reactive.
Full column-2 description: Organometallic substance, solid, water-reactive
US hazard class or division: 4.3. Packing group: I.
Column-1 symbols: G.
Source row 2508
Proper shipping name: Organometallic substance, solid, water-reactive.
Full column-2 description: Organometallic substance, solid, water-reactive
US hazard class or division: 4.3. Packing group: II.
Column-1 symbols: G.
Source row 2509
Proper shipping name: Organometallic substance, solid, water-reactive.
Full column-2 description: Organometallic substance, solid, water-reactive
US hazard class or division: 4.3. Packing group: III.
Column-1 symbols: G.
Before shipping
Check the current ADR edition before shipping. This is a US HMT reference snapshot, not ADR classification or shipping, legal or safety advice.
This page omits the other HMT columns. Check the full official table, its symbols and applicable provisions for your consignment.
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