# FLAMMABLE SOLID label.

**Citation:** 49 CFR 172.420  
**Type / status:** regulation / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** 2026-08-18  
**Published:** Not stated

(a) Except for size and color, the FLAMMABLE SOLID label must be as follows:

(b) In addition to complying with § 172.407, the background on the FLAMMABLE SOLID label must be white with vertical red stripes equally spaced on each side of a red stripe placed in the center of the label. The red vertic

## Document text

(a) Except for size and color, the FLAMMABLE SOLID label must be as follows:

(b) In addition to complying with § 172.407, the background on the FLAMMABLE SOLID label must be white with vertical red stripes equally spaced on each side of a red stripe placed in the center of the label. The red vertical stripes must be spaced so that, visually, they appear equal in width to the white spaces between them. The symbol (flame) and text (when used) must be overprinted. The text “FLAMMABLE SOLID” may be placed in a white rectangle.

[Amdt. 172-123, 56 FR 66257, Dec. 20, 1991]

## Provenance

- Official: Yes
- Source: <https://www.ecfr.gov/on/2026-08-18/title-49/section-172.420>
- Source ID: `ecfr`
- SHA-256: `f769d75ba12758727f966812f86d7c1c5a0e9eedacb22333535c62731cb1b37c`
- Retrieved: 2026-08-20T05:45:59.130Z
- Exported: 2026-08-22T01:40:37.913Z
- Document slug: `49-cfr-172-420`

### Source metadata

```json
{
  "cfrTitle": 49,
  "part": "172",
  "section": "172.420",
  "subpart": "Subpart E—Labeling",
  "corpusVersion": "2026-08-18",
  "jurisdiction": "US"
}
```