# Crotonylene (ID 1144)

- **operation:** document
- **citation:** ERG 2024 ID 1144
- **title:** Crotonylene (ID 1144)
- **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 Crotonylene (ID 1144) to Guide 128: Flammable Liquids (Water-Immiscible).
- **machine formats:** - **json:** https://regulus.evalyn.ai/document/phmsa-erg-2024-material-id1144-crotonylene.json
- **markdown:** https://regulus.evalyn.ai/document/phmsa-erg-2024-material-id1144-crotonylene.md
- **app url:** https://regulus.evalyn.ai/document/phmsa-erg-2024-material-id1144-crotonylene
- **source url:** https://www.phmsa.dot.gov/erg/material?materialName=Crotonylene&materialUn=1144
**body:**

ERG identification number: 1144.
Material: Crotonylene.
Assigned response guide: Guide 128, Flammable Liquids (Water-Immiscible).
The ERG index does not mark this entry with the P polymerization-hazard indicator.
- **truncated:** false
- **body characters:** 212