HazMat Tool — substance information
Barium chlorate, solution
HMT 15 June 2026Barium chlorate, solution
Barium chlorate, Ba(ClO3)2, is the barium salt of chloric acid. It commonly exists as the monohydrate, Ba(ClO3)2·H2O. It is a white crystalline solid, and like all soluble barium compounds, toxic. It is sometimes used in pyrotechnics to produce a green colour 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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| A9 | |
|---|---|
| IB2 | |
| N34 | |
| T4 | |
| TP1 | The maximum degree of filling must not exceed the degree of filling determined by the following:  Where: tr is the maximum mean bulk temperature during transport, and tf is the temperature in degrees celsius of the liquid during filling. |
(8) Packing Authorizations (§173.***) 
| (8A) Exceptions | 152 | see 49 CFR §173.152 |
|---|---|---|
| (8B) Non-bulk | 202 | see 49 CFR §173.202 |
| (8C) Bulk | 243 | see 49 CFR §173.243 |
(9) Quantity Limits
| (9A) Passenger aircraft/rail | 1 L |
|---|---|
| (9B) Cargo aircraft only | 5 L |
(10) Vessel stowage
| (10A) Location | |
|---|---|
| (10B) Other |
(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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| A9 | |
|---|---|
| IB2 | |
| N34 | |
| T4 | |
| TP1 | The maximum degree of filling must not exceed the degree of filling determined by the following: Where: tr is the maximum mean bulk temperature during transport, and tf is the temperature in degrees celsius of the liquid during filling. |
(8) Packing Authorizations (§173.***)
| (8A) Exceptions | 152 | see 49 CFR §173.152 |
|---|---|---|
| (8B) Non-bulk | 203 | see 49 CFR §173.203 |
| (8C) Bulk | 242 | see 49 CFR §173.242 |
(9) Quantity Limits
| (9A) Passenger aircraft/rail | 2.5 L |
|---|---|
| (9B) Cargo aircraft only | 30 L |
(10) Vessel stowage
| (10A) Location | |
|---|---|
| (10B) Other |
Packing group comparison
Multiple packing groups apply to this entry. See assignment criteria in 49 CFR §173 Subpart D. Details are in the tabs above; differences are highlighted.
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.
| 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 |
| 1.1/1.2 |  | | | | | | | | | | | | |  | | | | |
| 1.3 | |  | | | | | | | | | | | | | | | | |
| 1.4 | | | | | | | | | | | | | | | | | ||
| 1.5 | | | | | | | | | | | | | | | | |||
| 1.6 | | | | | | | | | | | | | | | ||||
| 2.1 | | | | | | | | | | | | | | |||||
| 2.2 | | | | | | | | | | | | | ||||||
| 2.3A | | | | | | | | | | | | |||||||
| 2.3B | | | | | | | | | | | ||||||||
| 3 | | | | | | | | | | |||||||||
| 4.1 | | | | | | | | | ||||||||||
| 4.2 | | | | | | | | |||||||||||
| 4.3 | | | | | | | ||||||||||||
| 5.1 | | | | | | |||||||||||||
| 5.2 | | | | | ||||||||||||||
| 6.1 | | | | |||||||||||||||
| 7 | | | ||||||||||||||||
| 8 | |
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Must not be loaded, transported, or stored together in the same vehicle or facility. |
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May be loaded, transported, or stored together. |
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May be loaded, transported, or stored together only with restrictions. |