What does P370+P378 mean?

What kind of precautionary statement is P370+P378?

Response statements (P3xx) say what to do after an accident, spill, fire or exposure: first-aid steps, rinsing and washing, calling a doctor or a poison centre, choosing the extinguishing medium. They usually open with a situation such as IF IN EYES or IF INHALED.

Which hazards is it used for?

In the CLP Annex IV assignment table, P370+P378 is assigned to the classes of these hazard statements:

• H224Extremely flammable liquid and vapour.
• H225Highly flammable liquid and vapour.
• H226Flammable liquid and vapour.
• H228Flammable solid.
• H240Heating may cause an explosion.
• H241Heating may cause a fire or explosion.
• H242Heating may cause a fire.
• H250Catches fire spontaneously if exposed to air.
• H260In contact with water releases flammable gases which may ignite spontaneously.
• H261In contact with water releases flammable gases.
• H271May cause fire or explosion; strong oxidiser.
• H272May intensify fire; oxidiser.

Parts of the combined statement

• P370
• P378

How many hazard statements is P370+P378 assigned to?

In the CLP Annex IV assignment table, P370+P378 is provided for the classes of 12 H statements in total: 12 physical hazard statements. The lowest-numbered example is H224 and the highest-numbered is H272. Whether a mixture label carries this statement depends on those classes really applying to the mixture.

Neighbouring statements of the same kind

The statements closest in number to P370+P378 in the response group:

• P361+P364Take off immediately all contaminated clothing and wash it before reuse.
• P362+P364Take off contaminated clothing and wash it before reuse.
• P370+P376In case of fire: Stop leak if safe to do so.
• P370+P380In case of fire: Evacuate area.

How is P370+P378 read?

The text of P370+P378 is 7 words long. The text opens with the situation "In case of fire"; the instruction applies only when that situation occurs. Because it is a combined statement, it replaces 2 separate statements in a single line; the parts are listed below.

Where is P370+P378 written in the SDS?

In the SDS, P370+P378 is written in Section 2.2 (label elements) with its code and the text "In case of fire: Use… to extinguish.". Being a response statement, it sits among the response lines. The statement should also agree with the firefighting measures in Section 5.

How does P370+P378 appear on the label?

On the label P370+P378 appears together with its text; under CLP Article 28(3) a label usually carries at most 6 precautionary statements. In the Chemoris selection method, response statements are considered in position 1. If the core statements exceed 6, Article 28(3) allows up to 8; when a combined statement is chosen, its individual parts are not repeated on the label. As P370+P378 is on the list of precautionary statements of Annex IV, it can be used in current labels and SDSs; Chemoris writes it into the document only when the relevant response candidate is selected.

Which classes and which priority is P370+P378 assigned to?

In the CLP Annex IV assignment table, P370+P378 appears in 13 class/category entries (1 different H statements). Priority split: core (priority 1) in 10 entries and secondary (priority 2) in 3 entries. Of these entries, 4 carry the signal word “Danger”, 1 carry “Warning” and 8 need no signal word. The pictograms that most often accompany it: GHS02 (3) and GHS03 (2).

The class families it appears in most often: Flam. Liq. (3), Flam. Sol. * (1), Ox. Liq. (1), Ox. Liq. * (1) and Ox. Sol. (1).

Classes that P370+P378 is assigned to

The first 12 rows of 13 entries in the CLP Annex IV assignment table (by priority and hazard order):

Statements assigned together with P370+P378

The precautionary statements that most often appear with P370+P378 in the same class entries (with entry count):

• P370+P378In case of fire: Use… to extinguish. (13)
• P280Wear protective gloves/protective clothing/eye protection/face protection. (13)
• P210Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking. (12)
• P501Dispose of contents/container to … (10)
• P220Keep away from clothing and other combustible materials. (6)

Where does P370+P378 stand in the response group?

P370+P378 is number 74 of the 82 statements in the P3xx group. The group holds 30 combined and 11 withdrawn statements and 46 single valid statements. Combined statements merge several situations on one line; withdrawn statements are replaced by their current equivalents.

Which SDS section does P370+P378 feed?

Because of its number and its response kind, P370+P378 relates to Section 5 Firefighting of the SDS; in Section 2.2 it is written with its code and text. Statements in the same number range feed the same section.

Checklist when writing P370+P378

• The text ends with “…”; the supplier supplies the completion.
• P370+P378 should agree with Section 5; in Section 2.2 it is written with its code and text.
• The text is 7 words long; if the label space is narrow, choosing a combined statement can save room.

Official EU wording of P370+P378 in other languages

When a product is exported to the EU, the SDS and label are expected in the official language of the Member State where it is placed on the market (REACH Article 31(5)). The table gives the official wording of P370+P378 from the CLP Annex III/IV language versions published in the Official Journal of the European Union. Source: EUR-Lex CELEX 02008R1272-20260701.

Next steps

To read a statement like P370+P378 correctly on a label and in an SDS, see the guide How to read H and P codes; to pick the class and prepare the label automatically, use the free label tool.

Where does it appear in the safety data sheet?

Precautionary statements are given with their code and full text in Section 2.2 (label elements) of the safety data sheet. Alternatives separated by a slash or in square brackets (e.g. gloves/protective clothing) are narrowed down to suit the product.

Frequently asked questions