`4.5' Indicator Solution

Cas Number: Mixture Part Number: 2289
`4.5' Indicator Solution is a pH indicator. pH indicators or acid-base indicators are compounds that change colour in solution over a narrow range of pH values.
Signal Word Warning
Hazard Phrase Codes H226
Precaution Phrase Codes P233, P280, P303+P361+P353
UN Number 1993
UN Packing Group III
UN Class 3

Safety Data Sheets (SDS) are available for all of our products and can be downloaded below.

Orange / Red ph 3.5
Orange / Grey pH 4.4
Grey pH 4.5
Blue/Grey pH 4.6
Deep blue pH 6.0


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