Skip to content

GHS precautionary statement

P402+P404: Store in a dry place. Store in a closed container

  • P402+P404
  • Storage
  • Combined statement

P402+P404 says: “Store in a dry place. Store in a closed container”. It is a storage statement that combines P402, P404. P400 series: how and where to store the product, such as keeping it cool, dry, locked up or in a well-ventilated place.

About the storage group

P400 series: how and where to store the product, such as keeping it cool, dry, locked up or in a well-ventilated place. See all precautionary statements for the full list.

Component statements

A combined statement joins single statements that are printed as one sentence. This one is made of:

CodeStatement
P402Store in a dry place.
P404Store in a closed container.

Hazards that call for P402+P404

The GHS data recommends P402+P404 for these hazard statements.

CodeStatementHazard class and categorySignal word
H260In contact with water releases flammable gases which may ignite spontaneously
Substances and mixtures which in contact with water, emit flammable gases — Category 1
Danger
H261In contact with water releases flammable gas
Substances and mixtures which in contact with water, emit flammable gases — Category 2
Substances and mixtures which in contact with water, emit flammable gases — Category 3
Danger

Chemicals using P402+P404

No chemicals in our database list P402+P404 in their primary classification yet.

P402+P404 frequently asked questions

What does P402+P404 mean?

P402+P404 says: "Store in a dry place. Store in a closed container". It is a storage precautionary statement in the Storage (P400 series). It combines P402, P404.

Which hazards call for P402+P404?

In the GHS data, P402+P404 is recommended for hazard statements H260, H261.

What type of statement is P402+P404?

P402+P404 is in the Storage (P400 series). P400 series: how and where to store the product, such as keeping it cool, dry, locked up or in a well-ventilated place.

Precautionary statements are general recommendations. Follow the specific instructions on your product's label and safety data sheet.

https://pubchem.ncbi.nlm.nih.gov/ghs/ghscode_10.txt (UN GHS Revision 10, retrieved 2026-10-12)