The GHS hazard statement for flammable liquids, category 4. Here is what it means, the label elements that travel with it, and the substances that carry it.
| Official statement | Combustible liquid. |
| Hazard class | Flammable liquids |
| Category | Category 4 |
| Signal word | Warning |
| Pictogram | None assigned |
| Criteria | Flash point above 140 °F (60 °C) and at or below 199.4 °F (93 °C) — GHS Table 2.6.1. |
Liquids whose vapor ignites readily. Categories run from 1 (most flammable) down to 4, set by flash point — the lowest temperature at which the liquid gives off ignitable vapor — together with initial boiling point.
When the engine writes SDS Section 2 or a container label for a product carrying H227, these are the P-codes it assigns, in the official Annex 3 groups:
| Prevention | P210 | Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking. |
| P280 | Wear protective gloves/protective clothing/eye protection/face protection. | |
| Response | P370 | In case of fire: |
| Storage | P403 | Store in a well-ventilated place. |
| Disposal | P501 | Dispose of contents/container in accordance with local/regional/national/international regulations. |
4 of the 4,225 substances in our database carry H227 when classified in pure form — recognizable examples:
When SDS HQ authors an SDS or a container label, it assigns the hazard statements, signal word, pictograms, and precautionary statements from these same tables — automatically, with the calculation shown.