Arsenic trioxide
HMT May 2026Arsenic trioxide
Arsenic trioxide is the inorganic compound with the formula As4O6. As an industrial chemical, its major uses include the manufacture of wood preservatives, pesticides, and glass. For medical purposes, it is sold under the brand name Trisenox among others when used as a medication to treat a type of cancer known as acute promyelocytic leukemia. For this use it is given by injection into a vein. Arsenic trioxide was approved for medical use in the United States in 2000. Wikipedia
Substance Data
Source: PubChem (HSDB, 24.11.2019)CAS-Number1327-53-3 |
Flash Pointn/a | Boiling Pointn/a |
| Emergency Response Guide No. 151 |
Hazardous Materials Table
Source: 49 CFR §172 (2026/05)(3) Hazard Class6.1Poisonous Material |
(4) Identification number |
(5) Packing Group |
||||||||||
(6) Labels |
||||||||||||
(7) Special Provisions (§172.102)
|
||||||||||||
| IB8 | |
|---|---|
| IP2 | |
| IP4 | |
| T3 | |
| TP33 |
(8) Packing Authorizations (§173.***) 
| (8A) Exceptions | 153 | see 49 CFR §173.153 |
|---|---|---|
| (8B) Non-bulk | 212 | see 49 CFR §173.212 |
| (8C) Bulk | 242 | see 49 CFR §173.242 |
(9) Quantity Limits 
| (9A) Passenger aircraft/rail | 25 kg |
|---|---|
| (9B) Cargo aircraft only | 100 kg |
(10) Vessel stowage 
| (10A) Location | |
|---|---|
| (10B) Other | 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.
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