# Red phosphorus (ID 1338)

- **operation:** document
- **citation:** ERG 2024 ID 1338
- **title:** Red phosphorus (ID 1338)
- **source type:** guidance
- **agency:** U.S. DOT / Transport Canada / SICT
- **status:** guidance
- **official:** true
- **published on:** 2024-04-04
- **effective on:** Not available
- **summary:** ERG2024 assigns Red phosphorus (ID 1338) to Guide 133: Flammable Solids.
- **machine formats:** - **json:** https://regulus.evalyn.ai/document/phmsa-erg-2024-material-id1338-red-phosphorus.json
- **markdown:** https://regulus.evalyn.ai/document/phmsa-erg-2024-material-id1338-red-phosphorus.md
- **app url:** https://regulus.evalyn.ai/document/phmsa-erg-2024-material-id1338-red-phosphorus
- **source url:** https://www.phmsa.dot.gov/erg/material?materialName=Red+phosphorus&materialUn=1338
**body:**

ERG identification number: 1338.
Material: Red phosphorus.
Assigned response guide: Guide 133, Flammable Solids.
The ERG index does not mark this entry with the P polymerization-hazard indicator.
- **truncated:** false
- **body characters:** 195