Loba Chemie pH Indicators, Papers & Titration Indicators

Solid pH indicators, ready-made indicator solutions, pH indicator papers, complexometric indicators for EDTA titrations, redox indicators and adsorption indicators for volumetric analysis.

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  • 159 products listed with code and CAS number
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Indicators: product list

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  • 1-NAPHTHOLBENZEIN Indicator gradeCode 04765 · CAS 145-50-6
  • 1-NAPHTHOLPHTHALEIN Indicator gradeCode 04770 · CAS 596-01-0
  • 1,10 PHENANTHROLINE MONOHYDRATE 99% AR/ACSCode 05160 · CAS 5144-89-8
  • 2-NITROPHENOL INDICATOR ARCode 04999 · CAS 88-75-5
  • 2,2'-BIPYRIDYL 99.5% ARCode 01970 · CAS 366-18-7
  • 2,4-DINITROPHENOL INDICATOR 98% ARCode 03461 · CAS 51-28-5
  • 2,6-DICHLOROPHENOL INDOPHENOL SODIUM SALT 94% AR/ACSCode 03291 · CAS 620-45-1
  • 2,7-DICHLORO FLUORESCEIN AR/ACSCode 03280 · CAS 76-54-0
  • ALIZARINE ARCode 00840 · CAS 72-48-0
  • ALIZARINE RED SCode 00860 · CAS 130-22-3
  • ALIZARINE RED S 1% (w/v) AQUEOUS INDICATOR SOLUTIONCode 00862 · CAS 130-22-3
  • ALIZARINE RED S ARCode 00861 · CAS 130-22-3
  • AMIDO BLACK 10B 80% dye content Extra PureCode 01010 · CAS 1064-48-8
  • AMMONIUM PURPURATE AR/ACSCode 01330 · CAS 3051-09-0
  • AMMONIUM PURPURATE Extra PureCode 01329 · CAS 3051-09-0
  • ANDRADE'S INDICATORCode 0031P
  • BARIUM DIPHENYLAMINE SULPHONATE ARCode 01690 · CAS 6211-24-1
  • BARIUM DIPHENYLAMINE SULPHONATE SOLUTIONCode 1690D
  • BRILLIANT GREEN 1% w/v AQUEOUS SOLUTIONCode 2255D · CAS 633-03-4
  • BRILLIANT YELLOWCode 02257 · CAS 3051-11-4
  • BROMOCRESOL GREEN 0.1% w/v AQUEOUS SOLUTIONCode 2271B
  • BROMOCRESOL GREEN 0.1% w/v SOLUTION IN IPACode 2271C
  • BROMOCRESOL GREEN 1% w/v SOLUTIONCode 2271D
  • BROMOCRESOL GREEN INDICATOR dye content 95% AR/ACSCode 02270 · CAS 76-60-8
  • BROMOCRESOL GREEN SODIUM SALT ACSCode 02269 · CAS 62625-32-5
  • BROMOCRESOL GREEN SOLUTIONCode 02271 · CAS 76-60-8
  • BROMOCRESOL PURPLE INDICATOR ARCode 02280 · CAS 115-40-2
  • BROMOCRESOL PURPLE INDICATOR SOLUTIONCode 02281
  • BROMOCRESOL PURPLE SODIUM SALT 90% Molecular biologyCode 02282 · CAS 62625-30-3
  • BROMOCRESOL PURPLE SODIUM SALT INDICATOR 90%Code 2282A · CAS 62625-30-3
  • BROMOPHENOL BLUE 0.1% w/v ALCOHOLIC SOLUTIONCode 2311B
  • BROMOPHENOL BLUE 0.1% W/V AQUEOUS SOLUTIONCode 2311A
  • BROMOPHENOL BLUE INDICATOR AR/ACSCode 02310 · CAS 115-39-9
  • BROMOPHENOL BLUE INDICATOR SOLUTIONCode 02311
  • BROMOPYROGALLOL RED ARCode 02320 · CAS 16574-43-9
  • BROMOTHYMOL BLUE 0.1% W/V AQUEOUS SOLUTIONCode 2350C
  • BROMOTHYMOL BLUE 0.1% w/v IN METHANOLCode 2350D
  • BROMOTHYMOL BLUE INDICATOR AR/ACSCode 02350 · CAS 76-59-5
  • BROMOTHYMOL BLUE INDICATOR PAPERCode 02349
  • BROMOTHYMOL BLUE INDICATOR SOLUTIONCode 2350B
  • BROMOTHYMOL BLUE SODIUM SALT ACSCode 02351 · CAS 34722-90-2
  • CACOTHELINE 95% ARCode 02390 · CAS 561-20-6
  • CALCEIN DISODIUM SALTCode 02445 · CAS 108750-13-6
  • CALCEIN INDICATOR ARCode 02440 · CAS 1461-15-0
  • CALCON FOR TITRATING METALCode 02488 · CAS 2538-85-4
  • CALMAGITE 0.1% w/v AQUEOUS INDICATOR SOLUTION (For Water Hardness)Code 02501 · CAS 3147-14-6
  • CALMAGITE INDICATOR ARCode 02500 · CAS 3147-14-6
  • CONGO RED INDICATOR For MicroscopyCode 02930 · CAS 573-58-0
  • CONGO RED INDICATOR PAPERSCode 02932
  • CONGO RED INDICATOR SOLUTION Indicator gradeCode 02931 · CAS 573-58-0
  • CRESOL RED INDICATOR ARCode 03030 · CAS 1733-12-6
  • CRESOL RED INDICATOR SOLUTIONCode 03031 · CAS 1733-12-6
  • CRYSTAL VIOLET 0.1% w/v IN GLACIAL ACETIC ACID *Code 3051D
  • CRYSTAL VIOLET 1% w/v IN GLACIAL ACETIC ACID (For Non-Aqueous Titration)Code 03052
  • CURCUMIN CRYSTALLINE 95% Extra PureCode 03110 · CAS 458-37-7
  • DICHLOROFLUORESCEIN INDICATOR 0.1% w/v IN 70% ALCOHOLCode 03281
  • DIMETHYL YELLOW pH Indicator gradeCode 03430 · CAS 60-11-7
  • DIPHENYL CARBAZIDE 98% ARCode 03521 · CAS 140-22-7
  • DIPHENYL CARBAZIDE For SynthesisCode 03520 · CAS 140-22-7
  • DIPHENYL CARBAZONE AR/ACSCode 03522 · CAS 538-62-5
  • DIPHENYL CARBAZONE-BROMOPHENOL BLUE (0.5 : 0.05) w/v IN 95% ALCOHOLCode 3522B
  • DIPHENYLAMINE 98% For SynthesisCode 03500 · CAS 122-39-4
  • DIPHENYLAMINE 99% AR/ACSCode 03501 · CAS 122-39-4
  • DITHIZONE 85% Extra PureCode 03569 · CAS 60-10-6
  • DITHIZONE 98% ARCode 03570 · CAS 60-10-6
  • ERIOCHROME BLACK T AR/ACSCode 03670 · CAS 1787-61-7
  • ERIOCHROME BLACK T Indicator gradeCode 03669 · CAS 1787-61-7
  • ERIOCHROME BLACK T REAGENT SOLUTIONCode 3670D
  • ERIOCHROME CYANINE R ARCode 03680 · CAS 3564-18-9
  • FERROIN SOLUTION 0.025 MCode 03845
  • FLUORESCEIN INDICATOR SOLUTIONCode 3855D
  • FLUORESCEIN SODIUMCode 03856 · CAS 518-47-8
  • INDICATOR PAPER FULL RANGECode 04178
  • INDICATOR PAPER MULTI RANGECode 04177
  • INDICATOR PAPER pH 2.0 - 4.5Code 04171
  • INDICATOR PAPER pH 3.5 - 6.0Code 04172
  • INDICATOR PAPER pH 3.8 - 5.3 (With Color Scale)Code 04179
  • INDICATOR PAPER pH 5.0 - 7.5Code 04173
  • INDICATOR PAPER pH 6.5 - 9.0Code 04174
  • INDICATOR PAPER pH 8.0-10.5Code 04175
  • INDICATOR PAPER WIDE RANGE pH 2.0 - 10.5Code 04176
  • INDIGO CARMINE ARCode 04180 · CAS 860-22-0
  • LACMOID (pH Indicator) Indicator gradeCode 04300 · CAS 33869-21-5
  • LITMUS BLUE (pH INDICATOR) SOLUTIONCode 4450A · CAS 1393-92-6
  • LITMUS BLUE INDICATOR PAPERCode 04451
  • LITMUS INDICATOR Extra PureCode 04450 · CAS 1393-92-6
  • LITMUS RED (pH indicator) SOLUTION Indicator gradeCode 4450B · CAS 1393-92-6
  • LITMUS RED INDICATOR PAPERCode 04452
  • m-CRESOL PURPLE 0.1% w/v AQUEOUS INDICATOR SOLUTIONCode 3009D
  • m-CRESOL PURPLE Indicator gradeCode 03020 · CAS 2303-01-7
  • m-NITROPHENOL INDICATOR 99% ARCode 05005 · CAS 554-84-7
  • MBTH 0.05% w/v AQUEOUS INDICATOR SOLUTION (For cyanide)Code 4537D
  • METANIL YELLOW ARCode 04600 · CAS 587-98-4
  • METHYL ORANGE INDICATOR ACSCode 04670 · CAS 547-58-0
  • METHYL ORANGE INDICATOR SOLUTION Indicator gradeCode 04671
  • METHYL ORANGE-XYLENE CYANOL SOLUTION IN WATERCode 4671B · CAS 62758-15-0
  • METHYL PURPLE pH INDICATOR SOLUTIONCode 04672 · CAS 1340-02-9
  • METHYL RED INDICATOR ARCode 04675 · CAS 493-52-7
  • METHYL RED INDICATOR SOLUTION 0.1% Indicator gradeCode 04676 · CAS 493-52-7
  • METHYL RED SODIUM SALTCode 4675B · CAS 845-10-3
  • METHYL THYMOL BLUE ARCode 04680
  • METHYL THYMOL BLUE COMPLEXONE Indicator gradeCode 04681 · CAS 1945-77-3
  • N,N-DIMETHYL p-PHENYLENEDIAMINE DIHYDROCHLORIDE 99.5% ARCode 03410 · CAS 536-46-9
  • N,N`-DIPHENYL BENZIDINE 98% ARCode 03510 · CAS 531-91-9
  • NEUTRAL RED INDICATOR 60% ARCode 04840 · CAS 553-24-2
  • NEUTRAL RED SOLUTION pH Indicator gradeCode 04841
  • o-CRESOLPHTHALEIN COMPLEXONE For ComplexometryCode 03011 · CAS 2411-89-4
  • o-CRESOLPHTHALEIN Indicator gradeCode 03010 · CAS 596-27-0
  • p-DIMETHYL AMINO BENZYLIDINE RHODANINE ARCode 03380 · CAS 536-17-4
  • p-NITROPHENOL INDICATOR ARCode 05010 · CAS 100-02-7
  • p-ROSOLIC ACID INDICATOR For MicroscopyCode 05602 · CAS 603-45-2
  • p-XYLENOL BLUE INDICATOR ARCode 06505 · CAS 125-31-5
  • PAN 0.1% w/v INDICATOR SOLUTION IN ETHANOLCode 5101C
  • PAN 0.1% w/v INDICATOR SOLUTION IN METHANOLCode 5101A
  • PAN 1% w/v INDICATOR SOLUTION IN ETHANOLCode 5101D
  • PAN 1% w/v INDICATOR SOLUTION IN METHANOLCode 5101B
  • PAN INDICATOR ARCode 05100 · CAS 85-85-8
  • PAR INDICATOR AR/ACSCode 05115 · CAS 16593-81-0
  • PATTON AND REEDER’S REAGENT ARCode 05131 · CAS 3737-95-9
  • PHENOL RED AR/ACSCode 05180 · CAS 143-74-8
  • PHENOL RED INDICATOR SOLUTION Indicator gradeCode 05181
  • PHENOL RED SODIUM SALT Indicator gradeCode 05182 · CAS 34487-61-1
  • PHENOLPHTHALEIN 0.5% (w/v) IN 50% ISOPROPANOLCode 5172E
  • PHENOLPHTHALEIN 1% (w/v) IN 95% ISOPROPANOLCode 5172F
  • PHENOLPHTHALEIN INDICATORCode 05172 · CAS 77-09-8
  • PHENOLPHTHALEIN INDICATOR 0.1% w/v SOLUTIONCode 5172H
  • PHENOLPHTHALEIN INDICATOR 0.375% SOLUTIONCode 5172D
  • PHENOLPHTHALEIN INDICATOR PAPERCode 5173B
  • PHENOLPHTHALEIN INDICATOR SOLUTIONCode 05173
  • PHENOLPHTHALEIN SOLUTION 1% IN ETHANOL (pH 8.2 TO 9.8)Code 5172G
  • PYROCATECHOL VIOLET SOLUTIONCode 5505D
  • QUINALDINE RED INDICATOR 95% Dye contentCode 05529 · CAS 117-92-0
  • QUINALDINE RED INDICATOR SOLUTIONCode 5529D
  • RESAZURIN SODIUM SALT ARCode 05552 · CAS 62758-13-8
  • RHODAMINE 6GCode 05570 · CAS 989-38-8
  • SODIUM DIPHENYLAMINE SULPHONATE AR/ACSCode 05860 · CAS 6152-67-6
  • SODIUM DIPHENYLAMINE SULPHONATE INDICATOR SOLUTIONCode 5860D
  • STARCH 0.5% w/v AQUEOUS SOLUTION STABILIZEDCode 6129B
  • STARCH 1 % w/w AQUEOUS SOLUTION STABILIZEDCode 06129
  • STARCH SOLUBLE (EX POTATO) AR/ACSCode 06127 · CAS 9005-84-9
  • STARCH SOLUBLE (EX POTATO) Extra PureCode 06125 · CAS 9005-84-9
  • TETRANITRO B.T. ARCode 06240 · CAS 1184-43-6
  • THIONIN (ACETATE) For MicroscopyCode 06280 · CAS 78338-22-4
  • THYMOL BLUE INDICATOR ARCode 06306 · CAS 76-61-9
  • THYMOL BLUE INDICATOR SOLUTION Extra PureCode 6306B · CAS 76-61-9
  • THYMOL BLUE SODIUM SALT Extra PureCode 06307 · CAS 62625-21-2
  • THYMOL VIOLET INDICATOR Extra PureCode 6309D · CAS 7512-38-1
  • THYMOLPHTHALEIN COMPLEXONE ARCode 06308 · CAS 1913-93-5
  • THYMOLPHTHALEIN INDICATOR ARCode 06309 · CAS 125-20-2
  • THYMOLPHTHALEIN INDICATOR SOLUTION Extra PureCode 6309B · CAS 125-20-2
  • TITAN YELLOW ARCode 06320 · CAS 1829-00-1
  • TROPAELINE O For MicroscopyCode 6396B · CAS 547-57-9
  • TROPAEOLIN OOO Extra PureCode 6397F · CAS 633-96-5
  • UNIVERSAL INDICATOR SOLUTION (pH 2.0 -10.0)Code 06431
  • UNIVERSAL INDICATOR SOLUTION (pH 4.0 -11.0)Code 06430
  • XYLENE CYANOL INDICATOR SOLUTIONCode 6500D
  • XYLENOL ORANGE ARCode 06507 · CAS 3618-43-7
  • XYLENOL ORANGE INDICATOR SOLUTION FOR EDTA TITRATIONCode 6507D
  • α-NAPHTHOLBENZEIN INDICATOR SOLUTIONCode 4765P

Items marked * are controlled chemicals that need an end-use certificate (EUC) with the order. Items marked “Under Scomet” are export-controlled. Loba Chemie is a trademark of Loba Chemie Pvt. Ltd. Product names, codes and CAS numbers are listed to help you order; specifications are as per the manufacturer’s certificate of analysis.

What do the grades mean?
  • AR: analytical reagent, for quantitative analysis.
  • ACS: meets American Chemical Society reagent specifications.
  • Extra Pure: high purity for general laboratory work.
  • For Synthesis: for preparative and synthetic chemistry.
  • HPLC, LC-MS, GC, GC-HS, PRA: solvents tested for chromatography and pesticide residue analysis.
  • ACIPUR / ULTRAPURE: trace-metal grade for ICP and AAS.

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