ChemicalResistance
ChemicalResistance.org

Chemical Storage Compatibility

Check if chemicals can be stored together safely. Based on OSHA & NFPA guidelines.

No chemicals selected. Search and add chemicals above.

Chemical Segregation Chart

Click any cell to see details. Based on OSHA 29 CFR 1910.106 and NFPA 400

OK to store together
Check specific chemicals
Separate cabinets
NEVER store together
Acid
Acids
Base
Bases
Flammable
Flammables
Oxidizer
Oxidizers
Toxic
Toxics
AcidAcids ✓
OK
✗
NEVER
↔
Separate
↔
Separate
⚠
Check
BaseBases ✗
NEVER
✓
OK
↔
Separate
⚠
Check
⚠
Check
FlammableFlammables ↔
Separate
↔
Separate
✓
OK
✗
NEVER
↔
Separate
OxidizerOxidizers ↔
Separate
⚠
Check
✗
NEVER
✓
OK
↔
Separate
ToxicToxics ⚠
Check
⚠
Check
↔
Separate
↔
Separate
⚠
Check
Can store together Check specific chemicals Separate cabinets/areas Never store together

Related Tools

Segregation rules at a glance

Segregation rules at a glanceAcids + Acids: Together; Bases + Acids: Never; Bases + Bases: Together; Flammables + Acids: Separate; Flammables + Bases: Separate; Flammables + Flammables: Together; Oxidizers + Acids: Separate; Oxidizers + Bases: Check; Oxidizers + Flammables: Never; Oxidizers + Oxidizers: Together; Toxics + Acids: Check; Toxics + Bases: Check; Toxics + Flammables: Separate; Toxics + Oxidizers: Separate; Toxics + Toxics: Check.AcidsAcids + Acids: TogetherTogetherBasesBases + Acids: NeverNeverBases + Bases: TogetherTogetherFlammablesFlammables + Acids: SeparateSeparateFlammables + Bases: SeparateSeparateFlammables + Flammables: TogetherTogetherOxidizersOxidizers + Acids: SeparateSeparateOxidizers + Bases: CheckCheckOxidizers + Flammables: NeverNeverOxidizers + Oxidizers: TogetherTogetherToxicsToxics + Acids: CheckCheckToxics + Bases: CheckCheckToxics + Flammables: SeparateSeparateToxics + Oxidizers: SeparateSeparateToxics + Toxics: CheckCheckAcidsBasesFlammablesOxidizersToxics
The rules of the table above in a form that fits a phone screen. The safety data sheet of each product takes precedence.

The rules in words

Acids + AcidsTogetherCan store together in acid cabinet
Acids + BasesNeverViolent exothermic reaction
Bases + BasesTogetherCan store together in base cabinet
Acids + FlammablesSeparateStore in separate cabinets
Bases + FlammablesSeparateStore in separate cabinets
Flammables + FlammablesTogetherCan store together in flammable cabinet
Acids + OxidizersSeparateMay produce toxic gases
Bases + OxidizersCheckCheck specific chemicals
Flammables + OxidizersNeverFire/explosion hazard
Oxidizers + ToxicsSeparateMay release toxic fumes
Toxics + ToxicsCheckCheck specific chemicals for reactions