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3′,3″-Dibromothymolsulfonphthalein, BTB
B 2225
AR / GR
C27H28Br2O5S
29349900
18%
76-59-5
624.38
Bottle / Drum
B 2225 (OTTO) Bromo thymol blue Cas 76-59-5 - used for measuring pH around 7 in pools and fish tanks. It operates in the pH range 6.0 to 7.6 due to the presence of an electron withdrawing and donating groups like bromine atoms and alkyl substitutents respectively. B 2225 (OTTO) Bromo thymol blue Cas 76-59-5 - used as a biological slide stain as well as used in obstetrics for detecting premature rupture of membranes.
Bromothymol blue (also known as bromothymol sulfone phthalein and BTB) is a pH indicator. It is mostly used in applications that require measuring substances that would have a relatively neutral pH (near 7).
Biological stains, Stains & dyes
95%
Powder
Pink to brown to purple
Max 3%
200-202 °C(lit.)
Passes test
Personal Protective Equipment Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filterWGK Germany 3
DisclaimerThe above particulars do not release the customer from the obligation to carry out an inspection of goods received. For laboratory use only. Not for drug, medical, household, or any other unauthorized application. We assume no liability for misuse or unauthorized application of the product. Please test before use.