HazMat Tool — substance information
Reference only — not a shipping paper, placard mandate, or CVI record.
Barium bromate
HMT 15 June 2026- UN / ID
- UN 2719
- Hazard class
- 5.1
- Packing group
- II
- ERG guide
- ERG 141
- Special provisions
- Source
- 49 CFR §172 (15 June 2026)
Barium bromate
Barium bromate is a chemical compound composed of the barium ion and the bromate ion, with the chemical formula of Ba(BrO3)2 Wikipedia
| Emergency Response Guide No. 141 |
Hazardous Materials Table
Source: 49 CFR §172 (15 June 2026)(3) Hazard class5.1Oxidizers |
(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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| IB8 | |
|---|---|
| IP2 | |
| IP4 | |
| T3 | |
| TP33 |
(8) Packing Authorizations (§173.***) 
| (8A) Exceptions | 152 | see 49 CFR §173.152 |
|---|---|---|
| (8B) Non-bulk | 212 | see 49 CFR §173.212 |
| (8C) Bulk | 242 | see 49 CFR §173.242 |
(9) Quantity Limits 
| (9A) Passenger aircraft/rail | 5 kg |
|---|---|
| (9B) Cargo aircraft only | 25 kg |
(10) Vessel stowage 
| (10A) Location | |
|---|---|
| (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.
Full segregation table for class 5.1 · Browse UN entries for this class
| Hazard class | 8![]() | 7![]() | 6.1![]() | 5.2![]() | 5.1![]() | 4.3![]() | 4.2![]() | 4.1![]() | 3![]() | 2.3B![]() | 2.3A![]() | 2.2![]() | 2.1![]() | 1.6![]() | 1.5![]() | 1.4![]() | 1.3![]() | 1.1/1.2![]() |
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8 ![]() |
| Must not be loaded, transported, or stored together in the same vehicle or facility. | |
| May be loaded, transported, or stored together. | |
| May be loaded, transported, or stored together only with restrictions. |
Similar substances
| UN / ID | Proper shipping name | Hazard class |
|---|---|---|
| UN 3213 | Bromates, inorganic, aqueous solution, n.o.s | 5.1 |
| UN 1450 | Bromates, inorganic, n.o.s | 5.1 |