pH Indicators

pH Indicators from Santa Cruz Biotechnology, Inc. have many applications in biochemical and biomedical research. Click on the product of choice to view detailed information such as the chemical structure and specific chemical properties. In stock pH Indicators are available for immediate shipping.

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PRODUCT NAME/Application CAS Catalog # QUANTITY Price Citations RATING
BCECF/AM
A membrane-permeable fluorescent indicator for the measurement of cytoplasmic pH
117464-70-7 sc-202492
1 mg
$119.00
1
2prime,7prime-bis(2-Carboxyethyl)-5(6)-carboxyfluorescein
Fluorescent cytoplasmic pH indicator
85138-49-4 sc-202883
1 mg
$136.00
3
Neutral Red
A common histology stain used to determine cell viability.
553-24-2 sc-203748
sc-203748A
50 g
100 g
$101.00
$143.00
1
Pararosaniline hydrochloride
The primary component of Basic Fuchsin mixtures
569-61-9 sc-203751
sc-203751A
25 g
100 g
$97.00
$306.00
4
Phenol Red
Used in culture media, phenol red identifies pH changes from neutral (red) to acidic (yellow) values
143-74-8 sc-203752
sc-203752A
5 g
25 g
$21.00
$72.00
1
5-Carboxyfluorescein
A highly soluble dye which is utilized as a pH indicator
76823-03-5 sc-205903
sc-205903A
100 mg
250 mg
$87.00
$240.00
0
Bromocresol Purple
A dye used in the determination of serum-albumin
115-40-2 sc-205992
sc-205992A
5 g
10 g
$21.00
$36.00
0
Alizarin Red S
Used to determine the presence of calcific deposition by cells of an osteogenic lineage
130-22-3 sc-205998
sc-205998A
25 g
100 g
$45.00
$113.00
1
Malachite Green oxalate salt
A biological counterstain to fuchsin and safranin
2437-29-8 sc-206010
sc-206010A
sc-206010B
sc-206010C
25 g
100 g
250 g
1 kg
$24.00
$37.00
$60.00
$180.00
1
Phenol Red Sodium Salt
A water soluble pH indicator commonly employed in cell biology laboratories as a cell tissue culture pH marker
34487-61-1 sc-206017
sc-206017A
5 g
25 g
$31.00
$90.00
2
Bromothymol blue sodium salt
A pH indicator which is yellow at pH ≤ 6.0 and blue at pH ≥ 7.6
34722-90-2 sc-206018
sc-206018A
sc-206018B
10 g
25 g
100 g
$41.00
$77.00
$0.00
1
Resorufin sodium salt
An anionic tricyclic phenoxazineone dye compound
34994-50-8 sc-206019
sc-206019A
1 g
10 g
$137.00
$450.00
4
Chlorophenol Red
Used to detect chlorine dioxide in drinking water
4430-20-0 sc-206022
10 g
$85.00
0
3prime,3primeprime,5prime,5primeprime-Tetraiodophenolsulfonephthalein
A pH indicator
4430-24-4 sc-206023
5 g
$47.00
0
Methyl orange
A pH indicator dye for titrations
547-58-0 sc-206030
sc-206030A
sc-206030B
25 g
100 g
250 g
$27.00
$50.00
$110.00
2
Bromocresol Green sodium salt
A dye used as a pH indicator
62625-32-5 sc-206036
sc-206036A
25 g
100 g
$144.00
$350.00
0
2-Pyridinecarboxaldehyde 4-nitrophenylhydrazone
A useful pH indicator and Pd reagent
70421-66-8 sc-206044
5 g
$70.00
0
Bromothymol Blue
A pH indicator for weak acids and bases
76-59-5 sc-206047
sc-206047A
5 g
25 g
$22.00
$76.00
0
Bromocresol Green
A tracking dye for gel electrophoresis
76-60-8 sc-206048
25 g
$150.00
0
Thymol Blue
A useful pH indicator compound
76-61-9 sc-206049
sc-206049A
5 g
25 g
$30.00
$90.00
2
Phenolphthalein
A commonly used colorimetric pH indicator
77-09-8 sc-206050
sc-206050A
100 g
500 g
$38.00
$131.00
1
Methyl Red sodium salt
A dye used for pH detection
845-10-3 sc-206055
25 g
$27.00
1
Indigo carmine
A tissue stain, pH indicator, and tool for the determination of hypochlorite
860-22-0 sc-206056
sc-206056A
25 g
100 g
$36.00
$115.00
3
1,3,6,8-Pyrenetetrasulfonic acid tetrasodium salt
A fluorescent probe and pH indicator
59572-10-0 sc-208786
1 g
$83.00
0
5(6)-Carboxy-2prime,7prime-dichlorofluorescein
A useful pH-indicator
111843-78-8 sc-210420
100 mg
$108.00
0
5(6)-Carboxynaphthofluorescein
A pH-indicator
128724-35-6 sc-210424
25 mg
$90.00
0
6,8-Dihydroxy-1,3-pyrenedisulfonic acid disodium salt
A pH-sensitive dye
61255-63-8 sc-210562
100 mg
$177.00
0
7-Hydroxy-4-(trifluoromethyl)coumarin
A fluorescent pH-indicator
575-03-1 sc-210622
sc-210622A
250 mg
1 g
$31.00
$65.00
0
7-Hydroxy-4-methyl-3-coumarinylacetic acid
A fluorescence probe and pH indicator
5852-10-8 sc-210625
100 mg
$107.00
0
7-Hydroxycoumarin-3-carboxylic acid
A pH-indicator that can be immobilized on a support to give a pH sensor
779-27-1 sc-210626
100 mg
$165.00
0
Chromoionophore XI
A lipophilic fluorescent pH indicator
138833-46-2 sc-211092
50 mg
$148.00
0
1,1prime-Diethyl-2,4prime-cyanine iodide
A dye indicator effective in pH range 4.5-6.5
634-21-9 sc-213423
5 g
$300.00
0
alpha-Naphtholbenzein
A pH indicator (pH 0.0-0.8/ pH 8.2-10.0)
145-50-6 sc-214451
sc-214451A
5 g
25 g
$37.00
$132.00
0
Alizarin yellow GG
A useful acid-base indicator for nutrient media
584-42-9 sc-214521
25 g
$32.00
0
Chlorophenol Red sodium salt
A pH indicator
123333-64-2 sc-214683
10 g
$114.00
0
m-Cresol Purple
A pH indicator dye
2303-01-7 sc-215274
sc-215274A
sc-215274B
1 g
5 g
10 g
$20.00
$51.00
$90.00
1
Nitrazine Yellow
A pH indicator with a variety of applications
5423-07-4 sc-215576
sc-215576A
1 g
5 g
$31.00
$88.00
1
o-Cresolphthalexon
An alkaline earth metal indicator
2411-89-4 sc-215602
sc-215602A
1 g
5 g
$23.00
$45.00
0
Pyrocatechol Violet
A complexometric indicator
115-41-3 sc-215764
sc-215764A
5 g
10 g
$55.00
$95.00
0
Quinaldine Red
A cationic fluorescent probe
117-92-0 sc-215771
sc-215771A
5 g
25 g
$36.00
$130.00
1
Thiazole yellow G
A thiazole compound dye
1829-00-1 sc-215968
sc-215968A
5 g
25 g
$20.00
$45.00
0
6-Carboxy-fluorescein diacetate N-succinimidyl ester
A fluorometry reagent used to study pH in bacteria
150206-15-8 sc-217319
5 mg
$124.00
0
Propyl red
2641-01-2 sc-236489
5 g
$38.00
0
Chromoionophore XVII
156122-91-7 sc-239554
100 mg
$1,300.00
0
Patent blue V sodium salt
A pH dependent dye
20262-76-4 sc-250653
sc-250653A
10 g
25 g
$29.00
$31.00
0
Neutral Red Solution
A vital dye used as an indicator and biological stain
553-24-2 sc-281691
100 ml
$23.00
2
5(6)-carboxyfluorescein, mixed isomers
A pH indicator
72088-94-9 sc-291088
sc-291088A
1 g
5 g
$27.00
$124.00
0
6,7-Dihydroxy-4-methylcoumarin
A product suitable as a pH-indicator
529-84-0 sc-291439
25 g
$165.00
0
8-Hydroxypyrene-1,3,6-trisulfonic acid, trisodium salt
Or 6358-69-6), a fluorescent pH indicator
27928-00-3 sc-291738
1 g
$110.00
0
9-Aminoacridine free base
A mutagenic fluorescent dye and an intracellular pH indicator
90-45-9 sc-291761
1 g
$76.00
0
Bromophenol Red
2800-80-8 sc-293959
sc-293959A
1 g
25 g
$75.00
$700.00
0
Benzopurpurine 4B
A biological stain and pH indicator
992-59-6 sc-311286
100 g
$23.00
0
Congo Red
An amyloidophylic dye that stains β sheet aggregates
573-58-0 sc-359843
25 g
$20.00
2
8-Hydroxy-N,N,Nprime,Nprime,NPrime,NPrime-hexamethylpyrene-1,3,6-trisulfonamide
A pH indicator
127044-59-1 sc-396648
10 mg
$366.00
0

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