Health — sensitization
H334
“May cause allergy or asthma symptoms or breathing difficulties if inhaled”
Official hazard statement, UN GHS Rev. 9 (2021), Annex 3.
How this code is assigned
Summary of the classification criterion the standard itself uses to assign H334. Not a safety recommendation from CarCareTruth.
Source
H334 is a hazard statement defined in Annex 3 of the United Nations Globally Harmonized System of Classification and Labelling of Chemicals (GHS), Revision 9 (2021). The text above is quoted verbatim from that standard.
CarCareTruth publishes the official statement and a restatement of the standard’s own classification criterion. We do not add safety recommendations, severity judgments, or interpretation of what action a user should take. For full regulatory context, consult the published standard or the product’s own Safety Data Sheet (Section 2).
Products on CarCareTruth whose published SDS includes H334
Listed because the manufacturer’s own published Safety Data Sheet identifies H334 as a hazard statement for the product.
Sources: United Nations, Globally Harmonized System of Classification and Labelling of Chemicals (GHS), Rev. 9 (2021), Annex 3 for the hazard-statement text. Product associations are taken verbatim from Section 2 of the Safety Data Sheet published by each product’s manufacturer. CarCareTruth does not add interpretation to GHS hazard codes.