# SPONTANEOUSLY COMBUSTIBLE label.

**Citation:** 49 CFR 172.422  
**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 SPONTANEOUSLY COMBUSTIBLE label must be as follows:

(b) In addition to complying with § 172.407, the background color on the lower half of the SPONTANEOUSLY COMBUSTIBLE label must be red and the upper half must be white.

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

## Document text

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

(b) In addition to complying with § 172.407, the background color on the lower half of the SPONTANEOUSLY COMBUSTIBLE label must be red and the upper half must be white.

[Amdt. 172-123, 56 FR 66257, Dec. 20, 1991, as amended at 57 FR 45458, Oct. 1, 1992]

## Provenance

- Official: Yes
- Source: <https://www.ecfr.gov/on/2026-08-18/title-49/section-172.422>
- Source ID: `ecfr`
- SHA-256: `acd1cc0e5101e1fb485dae34451fe66ac3ab924950245f0156b3f063756c3f59`
- Retrieved: 2026-08-20T05:45:59.130Z
- Exported: 2026-08-23T01:20:44.737Z
- Document slug: `49-cfr-172-422`

### Source metadata

```json
{
  "cfrTitle": 49,
  "part": "172",
  "section": "172.422",
  "subpart": "Subpart E—Labeling",
  "corpusVersion": "2026-08-18",
  "jurisdiction": "US"
}
```