HazMat Tool — substance information
2,4-Dinitro-1,3,5-trimethylbenzene
HMT 15 June 2026- UN / ID
- n/a
- Hazard class
- Forbidden
- Packing group
- n/a (multiple — see tabs)
- ERG guide
- —
- Special provisions
- —
- Source
- 49 CFR §172 (15 June 2026)
2,4-Dinitro-1,3,5-trimethylbenzene
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 n/a |
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(7) Special Provisions (§172.102)
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(8) Packing Authorizations (§173.***)
|
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| (8A) Exceptions | n/a | see 49 CFR §173. n/a |
|---|---|---|
| (8B) Non-bulk | n/a | see 49 CFR §173. n/a |
| (8C) Bulk | n/a | see 49 CFR §173. n/a |
(9) Quantity Limits 
| (9A) Passenger aircraft/rail | n/a |
|---|---|
| (9B) Cargo aircraft only | n/a |
(10) Vessel stowage 
| (10A) Location | |
|---|---|
| (10B) Other | n/a |
(3) Hazard Class3Flammable liquids |
(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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| IB2 | |
|---|---|
| T4 | |
| TP1 |
(8) Packing Authorizations (§173.***) 
| (8A) Exceptions | 150 | see 49 CFR §173.150 |
|---|---|---|
| (8B) Non-bulk | 202 | see 49 CFR §173.202 |
| (8C) Bulk | 242 | see 49 CFR §173.242 |
(9) Quantity Limits 
| (9A) Passenger aircraft/rail | 5 L |
|---|---|
| (9B) Cargo aircraft only | 60 L |
(10) Vessel stowage 
| (10A) Location | |
|---|---|
| (10B) Other | n/a |
(3) Hazard Class3Flammable liquids |
(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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| B1 | |
|---|---|
| IB3 | |
| T2 | |
| TP2 |
(8) Packing Authorizations (§173.***) 
| (8A) Exceptions | 150 | see 49 CFR §173.150 |
|---|---|---|
| (8B) Non-bulk | 203 | see 49 CFR §173.203 |
| (8C) Bulk | 242 | see 49 CFR §173.242 |
(9) Quantity Limits 
| (9A) Passenger aircraft/rail | 60 L |
|---|---|
| (9B) Cargo aircraft only | 220 L |
(10) Vessel stowage 
| (10A) Location | |
|---|---|
| (10B) Other | n/a |
(3) Hazard Class3Flammable liquids |
(4) Identification number |
(5) Packing Group |
|||||||||
(6) Labels |
|||||||||||
(7) Special Provisions (§172.102)
|
|||||||||||
| B1 | |
|---|---|
| IB3 | |
| T2 | |
| TP1 |
(8) Packing Authorizations (§173.***) 
| (8A) Exceptions | 150 | see 49 CFR §173.150 |
|---|---|---|
| (8B) Non-bulk | 203 | see 49 CFR §173.203 |
| (8C) Bulk | 242 | see 49 CFR §173.242 |
(9) Quantity Limits 
| (9A) Passenger aircraft/rail | 60 L |
|---|---|
| (9B) Cargo aircraft only | 220 L |
(10) Vessel stowage 
| (10A) Location | |
|---|---|
| (10B) Other | n/a |
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.
| PG n/a | PG II | PG III | PG III | |
|---|---|---|---|---|
| 1 | ||||
| 2 | 2,4-Dinitro-1,3,5-trimethylbenzene | Ethylbenzene | 1,3,5-Trimethylbenzene | Diethylbenzene |
| 3 | Forbidden | 3 | 3 | 3 |
| 4 | n/a | UN 1175 | UN 2325 | UN 2049 |
| 5 | n/a | II | III | III |
| 6 | n/a | 3 | 3 | 3 |
| 7 | n/a | IB2, T4, TP1 | B1, IB3, T2, TP2 | B1, IB3, T2, TP1 |
| 8A | n/a | 150 | 150 | 150 |
| 8B | n/a | 202 | 203 | 203 |
| 8C | n/a | 242 | 242 | 242 |
| 9A | n/a | 5 L | 60 L | 60 L |
| 9B | n/a | 60 L | 220 L | 220 L |
| 10A | n/a | B | A | A |
| 10B | n/a | n/a | n/a | n/a |
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 ![]() |
| 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 2325 | 1,3,5-Trimethylbenzene | 3 |
| 2,4-Dinitro-1,3,5-trimethylbenzene | Forbidden | |
| UN 1175 | Ethylbenzene | 3 |
| UN 2937 | alpha-Methylbenzyl alcohol, liquid | 6.1 |
| UN 3438 | alpha-Methylbenzyl alcohol, solid | 6.1 |


