Chemical symbols Hazard symbol

1 chemical symbols

1.1 ghs symbols , statements
1.2 europe
1.3 canada
1.4 united states

chemical symbols

a chemical hazard symbol pictogram applied containers of dangerous chemical compounds indicate specific hazard, , required precautions. there several systems of labels, depending on purpose, such on container end use, or on vehicle during transportation.

ghs symbols , statements

the united nations has designed ghs hazard pictograms , ghs hazard statements internationally harmonize chemical hazard warnings. several european countries have started implement these new global standards, older warning symbols still used in many parts of world.

europe

european standards set by:

clp regulation(2008) chemical containers, following international ghs recommendations; see european clp/ghs hazard symbols
european agreement concerning international carriage of dangerous goods road (adr) additional packaging transportation. vehicles carrying dangerous goods must equipped orange signs, upper code number identifies type of hazard, , lower code number identifies specific substance. these symbols cannot readily interpreted without aid of table translate numerical codes.


examples of european warning flammable substances

























canada


example whmis symbol

the workplace hazardous materials information system, or whmis, canada s national workplace hazard communication standard.

united states

nfpa 704 standard hazard sticker or placard

the us-based national fire protection association (nfpa) has standard nfpa 704 using diamond 4 colored sections each number indicating severity 0—4 (0 no hazard, 4 indicates severe hazard). red section denotes flammability. blue section denotes health risks. yellow represents reactivity (tendency explode). white section denotes special hazard information. 1 example of special hazard capital letter w crossed out (pictured left) indicating water reactant.