Risk & Safety Statements — ASO

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Risk (R) and a safety part (S)

Risk and Safety Statements, also known as R/S phrases, is a system of hazard codes and phrases for labeling dangerous chemicals and compounds. The R/S statement of a compound consists of a risk part (R) and a safety part (S), each followed by a combination of numbers. Each number corresponds to a phrase. The phrase corresponding to the letter / number combination has the same meaning in different languages.

のキーワード可視性、ランクイン検索語、日次の順位変動。 Risk & Safety Statements.