Dibromochloropropane
HMT 15 June 2026- UN / ID
- UN 2872
- Hazard class
- 6.1
- Packing group
- II (multiple — see tabs)
- ERG guide
- ERG 159
- Special provisions
- SP IB2, SP T7, SP TP2
- Source
- 49 CFR §172 (15 June 2026)
Dibromochloropropane
1,2-Dibromo-3-chloropropane (dibromochloropropane), better known as DBCP, is the organic compound with the formula BrCH(CH2Br)(CH2Cl). It is a dense colorless liquid although commercial samples often appear amber or even brown. It is the active ingredient in the nematicide Nemagon, also known as Fumazone. It is a soil fumigant formerly used in American agriculture Wikipedia
Substance Data
Source: PubChem (HSDB, 03.12.2019)CAS-Number96-12-8 |
Flash Pointn/a | Boiling Pointn/a |
| Emergency Response Guide No. 159 |
Hazardous Materials Table
Source: 49 CFR §172 (15 June 2026)(3) Hazard Class6.1Poisonous Material |
(4) Identification number |
(5) Packing Group |
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(6) Labels |
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(7) Special Provisions (§172.102)
|
|||||||||||
| IB2 | |
|---|---|
| T7 | |
| TP2 |
(8) Packing Authorizations (§173.***) 
| (8A) Exceptions | 153 | see 49 CFR §173.153 |
|---|---|---|
| (8B) Non-bulk | 202 | see 49 CFR §173.202 |
| (8C) Bulk | 243 | see 49 CFR §173.243 |
(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 Class6.1Poisonous Material |
(4) Identification number |
(5) Packing Group |
|||||||||
(6) Labels |
|||||||||||
(7) Special Provisions (§172.102)
|
|||||||||||
| IB3 | |
|---|---|
| T4 | |
| TP1 |
(8) Packing Authorizations (§173.***) 
| (8A) Exceptions | 153 | see 49 CFR §173.153 |
|---|---|---|
| (8B) Non-bulk | 203 | see 49 CFR §173.203 |
| (8C) Bulk | 241 | see 49 CFR §173.241 |
(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.
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.
Scope & sources (important)Click to show CFR references
This check evaluates segregation per 49 CFR §177.848. Additional loading/unloading and handling requirements may still apply; see 49 CFR §177 Subpart B (Loading and Unloading):
- §177.834 - General requirements
- §177.835 - Class 1 materials
- §177.837 - Class 3 materials
- §177.838 - Class 4 (flammable solid) materials, Class 5 (oxidizing) materials, and Division 4.2 (pyroforic liquid) materials
- §177.839 - Class 8 (corrosive) materials
- §177.840 - Class 2 (gases) materials
- §177.841 - Division 6.1 and Division 2.3 materials
- §177.842 - Class 7 (radioactive) material
- §177.843 - Contamination of vehicles


