Search Result
Results for "
pH-indicator
" in MedChemExpress (MCE) Product Catalog:
17
Biochemical Assay Reagents
| Cat. No. |
Product Name |
Target |
Research Areas |
Chemical Structure |
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- HY-D0166
-
|
|
Fluorescent Dye
|
Others
|
|
Neutral Red, a nitrogenous pH-indicator with a pKi of 6.8, is an indicator for the internal acidification of thylakoids. Neutral Red stains lysosomes red .
|
-
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- HY-D0012
-
-
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- HY-133527
-
|
Oregon green 488 succinimidyl ester
|
Fluorescent Dye
|
Neurological Disease
|
|
OG 488, SE (Oregon green 488 succinimidyl ester), a fluorescent pH indicator, has many applications in biochemistry and neurosciences .
|
-
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- HY-D0112
-
|
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Fluorescent Dye
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Others
|
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7-Hydroxycoumarin-4-acetic acid, a pH-indicator dye, is covalently bound to bovine serum albumin (BSA) at the positions of reactive amino groups (λmax=326 nm) .
|
-
-
- HY-W331502
-
-
-
- HY-W110784
-
-
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- HY-W342120
-
-
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- HY-D1401
-
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Fluorescent Dye
|
Others
|
|
OG 488, acid, a fluorescent pH indicator, has many applications in biochemistry and neurosciences .
|
-
-
- HY-W088071
-
-
-
- HY-D0252
-
|
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Fluorescent Dye
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Others
|
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m-Cresol purple is a pH indicator dye with large cross section and halochromic property in neutral pH range .
|
-
-
- HY-D0169A
-
|
pHenolsulfonepHthalein sodium salt
|
Fluorescent Dye
|
Others
|
|
Phenol red (Phenolsulfonephthalein) sodium salt is a pH indicator dye, relying on a distinct color change from pink to yellow in case of a positive reaction .
|
-
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- HY-D0169
-
|
pHenolsulfonepHthalein
|
Fluorescent Dye
|
Others
|
|
Phenol red (Phenolsulfonephthalein) is a pH indicator dye, relying on a distinct color change from pink to yellow in case of a positive reaction .
|
-
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- HY-D1477
-
|
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Fluorescent Dye
|
Others
|
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5(6)-Carboxyfluorescein diisobutyrate is a protected 5(6)-carboxyfluorescein. 5(6)-carboxyfluorescein is a fluorescence pH indicator .
|
-
-
- HY-Y0699
-
|
|
Fluorescent Dye
|
Others
|
|
Methyl red is an azo dye that acts as a pH indicator. Methyl red is red and yellow at pH 4.4 and 6.0 respectively .
|
-
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- HY-W025785
-
|
Solvent Yellow 2; Dimethyl yellow
|
Others
|
Others
|
|
Methyl yellow (Solvent Yellow 2) is a pH indicator. Methyl yellow appears red at low pH, and becomes yellow above pH 4.0 .
|
-
-
- HY-D0276
-
|
Metacresol purple sodium
|
Biochemical Assay Reagents
|
Others
|
|
m-Cresol purple sodium (Metacresol purple sodium) is a pH indicator. m-Cresol purple sodium solution from yellow to blue in the pH range from 7.5 to 9.0 .
|
-
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- HY-W110789
-
|
|
Biochemical Assay Reagents
|
Others
|
|
Ethyl Orange (sodium), indicator grade is an organic azo compound that can be used as a pH indicator from pH 3.0 to pH 4.8, changing color from red to orange.
|
-
-
- HY-D0140
-
|
ETH 5294
|
Fluorescent Dye
|
Others
|
|
Chromoionophore I (ETH 5294) is a hydrophobic pH indicator. Chromoionophore I is used as a transmissive or fluorescent probe molecule in many types of hydrophobic sensor membranes. Chromoionophore I is oil-soluble .
|
-
-
- HY-D0015
-
-
-
- HY-W016352
-
|
Anilotic acid, 99%
|
Biochemical Assay Reagents
|
Others
|
|
2-Hydroxy-5-nitrobenzoic acid, 99% is used as an HPLC analytical standard, pH indicator, and heavy metal detection agent, and is also used in the study of phenolic compounds oxidation.
|
-
-
- HY-118320
-
|
Mordant orange 1
|
Fluorescent Dye
|
Others
|
|
Alizarine Yellow R (Mordant orange 1), a salicylic acid derivative, is a azo dye. Alizarine Yellow R is mostly used as a pH indicator, as a biological stain in chemical examinations and also in dyeing industries .
|
-
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- HY-W110790
-
|
|
Biochemical Assay Reagents
|
Others
|
|
Bromocresol purple (sodium) is a water-soluble dye, bromocresol purple sodium, commonly known as bromocresol purple, used as a pH indicator. The dye color changes from yellow to purple between pH 5.2 and 6.8.
|
-
-
- HY-D0011
-
|
|
Biochemical Assay Reagents
|
Others
|
|
Bromophenol blue sodium is a pH indicator. It changes from yellow at pH 3.0 to blue at pH 4.6. Bromophenol blue sodium is also used as a tracking dye to monitor the process of agarose gel electrophoresis and polyacrylamide gel electrophoresis .
|
-
-
- HY-W087928
-
|
|
Biochemical Assay Reagents
|
Others
|
|
Bromocresol purple is a pH indicator, whose color changes from yellow to purple when the pH increases from 5.2 to 6.8. Bromocresol purple can be used for detecting yeast cells with plasma membrane damage .
|
-
-
- HY-Y0699R
-
|
|
Fluorescent Dye
|
Others
|
|
Methyl red (Standard) is the analytical standard of Methyl red. This product is intended for research and analytical applications. Methyl red is an azo dye that acts as a pH indicator. Methyl red is red and yellow at pH 4.4 and 6.0 respectively .
|
-
-
- HY-128545
-
|
Nitrazine paper; pHenapHthazine
|
Biochemical Assay Reagents
|
Others
|
|
Nitrazine yellow (Nitrazine paper; Phenaphthazine) is a pH indicator. The color of Nitrazine yellow changes from yellow to blue in the pH range from 6.0 to 7.0. Nitrazine yellow is a kind of biological materials or organic compounds that are widely used in life science research .
|
-
-
- HY-D0142
-
|
|
Fluorescent Dye
|
Others
|
|
Pyrene-1,3,6,8-tetrasulfonic acid tetrasodium is a fluorescent dye and pH indicator, also as a ligand of multifunctional metal-organic framework. Pyrene-1,3,6,8-tetrasulfonic acid tetrasodium has been used to detect CO2 release .
|
-
-
- HY-D1677
-
|
|
Fluorescent Dye
|
Others
|
|
5(6)-Carboxynaphthofluorescein is a pH-dependent fluorophore. 5(6)-Carboxynaphthofluorescein shows good sensitivity in an alkaline pH range and it can be exploited in the construction of fiber-optic pH sensors. 5(6)-Carboxynaphthofluorescein can be used as a fluorescent pH indicator (Ex/Em=593/668 nm) .
|
-
-
- HY-B1571
-
|
|
Fluorescent Dye
|
Others
|
|
Bromophenol blue is an acid phthalein dye, and it is used as a tracking dye for electrophoresis. Bromophenol blue is also used as a pH indicator, with a transition range of pH 3 to 4.6. Bromophenol blue is used as a sensor for the determination of several compounds including ammonia, drugs, proteins and amino acids. The binding of Bromophenol blue to proteins is accompanied by the appearance of a strong absorbance at 610 nm .
|
-
-
- HY-128369
-
|
Metanil Yellow
|
Cytochrome P450
|
Others
|
|
Acid Yellow 36 (Metanil Yellow) is an azo dye and a pH indicator. Acid Yellow 36 changes its color from red at pH 1.2 to yellow at pH 2.3. Acid Yellow 36 is used in the leather, paper and textile industries. Acid Yellow 36 acts as a bifunctional inducer of specific isozymes of P-450 and cytosolic enzymes .
|
-
-
- HY-125457
-
|
p-NapHtolbenzein
|
Fluorescent Dye
|
Others
|
|
α-Naphtholbenzein (p-Naphtolbenzein) is a dye. α-Naphtholbenzein can be used as a pH indicator. α-Naphtholbenzein has a visual transition from yellow (pH0-8.2) to turquoise (pH10). α-Naphtholbenzein is often used during sequential injection analysis technique done for acid-base titrations .
|
-
-
- HY-D1445
-
|
|
Fluorescent Dye
|
Metabolic Disease
|
|
PDMPO, a lysosome pH indicator, is an excellent fluorescent acidotropic reagent for fluorescence imaging. PDMPO is a potent tool with which to study acidic organelles of live cells. PDMPO exhibits pH-dependent dual-excitation and dual-emission spectral peaks. PDMPO produces a blue fluorescence in weakly acidic organelles and shifts to yellow in more acidic lysosomes (Abs=329 nm; Em=440 nm) .
|
-
-
- HY-W016352R
-
|
|
Biochemical Assay Reagents
|
Others
|
|
2-Hydroxy-5-nitrobenzoic acid, 99% (Standard) is the analytical standard of 2-Hydroxy-5-nitrobenzoic acid, 99%. This product is intended for research and analytical applications. 2-Hydroxy-5-nitrobenzoic acid, 99% is used as an HPLC analytical standard, pH indicator, and heavy metal detection agent, and is also used in the study of phenolic compounds oxidation.
|
-
-
- HY-W411215
-
|
|
Fluorescent Dye
|
Others
|
|
1,4-Diacetoxy-2,3-dicyanobenzene is a cell-permeable fluorescent probe. 1,4-Diacetoxy-2,3-dicyanobenzene crosses the cell membrane and is cleaved by cytosolic esterases to the fluorescent pH indicator 2,3-dicyano-hydroquinone (DCH). 1,4-Diacetoxy-2,3-dicyanobenzene can be used to monitor intracellular pH .
|
-
-
- HY-D0228
-
|
Azo Violet; Magneson I
|
Fluorescent Dye
|
Others
|
|
4-(4-Nitrophenylazo)resorcinol is an azo purple dye used experimentally as a pH indicator, showing yellow when the pH value is lower than 11 and purple when the pH value is higher than 13. In slightly alkaline or alkaline environments, it also turns dark blue in the presence of magnesium salts. Azo Violet can also be used to test for the presence of ammonium ions. The color of the ammonium chloride or ammonium hydroxide solution will change depending on the concentration of azo violet used.
|
-
-
- HY-W040144
-
|
|
Fluorescent Dye
|
Others
|
|
Bromocresol green is a pH-sensitive triphenylmethane dye commonly used for the determination of protein and albumin in serum. Bromocresol green is a bio-based dye with a yellow-green to blue-green color. Bromocresol green turns yellow (λmax=435 nm, protonated form) when placed in acidic solution (e.g. pH=4.15), and turns blue in basic solution (λmax=615 nm, deprotonated form). Bromocresol green is widely used as a pH indicator in the field of biochemical analysis. In addition, Bromocresol green is also used to detect the concentration of molecules such as creatinine, and to judge the viability of cells .
|
-
| Cat. No. |
Product Name |
Type |
-
- HY-D0166
-
|
|
Dyes
|
|
Neutral Red, a nitrogenous pH-indicator with a pKi of 6.8, is an indicator for the internal acidification of thylakoids. Neutral Red stains lysosomes red .
|
-
- HY-D0012
-
|
|
Dyes
|
|
Bromothymol Blue is a pH indicator.
|
-
- HY-133527
-
|
Oregon green 488 succinimidyl ester
|
Dyes
|
|
OG 488, SE (Oregon green 488 succinimidyl ester), a fluorescent pH indicator, has many applications in biochemistry and neurosciences .
|
-
- HY-D0169A
-
|
pHenolsulfonepHthalein sodium salt
|
Dyes
|
|
Phenol red (Phenolsulfonephthalein) sodium salt is a pH indicator dye, relying on a distinct color change from pink to yellow in case of a positive reaction .
|
-
- HY-D0169
-
|
pHenolsulfonepHthalein
|
Dyes
|
|
Phenol red (Phenolsulfonephthalein) is a pH indicator dye, relying on a distinct color change from pink to yellow in case of a positive reaction .
|
-
- HY-D0112
-
|
|
Fluorescent Dyes/Probes
|
|
7-Hydroxycoumarin-4-acetic acid, a pH-indicator dye, is covalently bound to bovine serum albumin (BSA) at the positions of reactive amino groups (λmax=326 nm) .
|
-
- HY-W331502
-
|
|
Dyes
|
|
Chlorophenol Red sodium is a pH indicator .
|
-
- HY-D0012A
-
-
- HY-D1401
-
|
|
Fluorescent Dyes/Probes
|
|
OG 488, acid, a fluorescent pH indicator, has many applications in biochemistry and neurosciences .
|
-
- HY-D1477
-
|
|
Fluorescent Dyes/Probes
|
|
5(6)-Carboxyfluorescein diisobutyrate is a protected 5(6)-carboxyfluorescein. 5(6)-carboxyfluorescein is a fluorescence pH indicator .
|
-
- HY-D0140
-
|
ETH 5294
|
Fluorescent Dyes/Probes
|
|
Chromoionophore I (ETH 5294) is a hydrophobic pH indicator. Chromoionophore I is used as a transmissive or fluorescent probe molecule in many types of hydrophobic sensor membranes. Chromoionophore I is oil-soluble .
|
-
- HY-118320
-
|
Mordant orange 1
|
Fluorescent Dyes/Probes
|
|
Alizarine Yellow R (Mordant orange 1), a salicylic acid derivative, is a azo dye. Alizarine Yellow R is mostly used as a pH indicator, as a biological stain in chemical examinations and also in dyeing industries .
|
-
- HY-D0142
-
|
|
Fluorescent Dyes/Probes
|
|
Pyrene-1,3,6,8-tetrasulfonic acid tetrasodium is a fluorescent dye and pH indicator, also as a ligand of multifunctional metal-organic framework. Pyrene-1,3,6,8-tetrasulfonic acid tetrasodium has been used to detect CO2 release .
|
-
- HY-B1571
-
|
|
Dyes
|
|
Bromophenol blue is an acid phthalein dye, and it is used as a tracking dye for electrophoresis. Bromophenol blue is also used as a pH indicator, with a transition range of pH 3 to 4.6. Bromophenol blue is used as a sensor for the determination of several compounds including ammonia, drugs, proteins and amino acids. The binding of Bromophenol blue to proteins is accompanied by the appearance of a strong absorbance at 610 nm .
|
-
- HY-128369
-
|
Metanil Yellow
|
Dyes
|
|
Acid Yellow 36 (Metanil Yellow) is an azo dye and a pH indicator. Acid Yellow 36 changes its color from red at pH 1.2 to yellow at pH 2.3. Acid Yellow 36 is used in the leather, paper and textile industries. Acid Yellow 36 acts as a bifunctional inducer of specific isozymes of P-450 and cytosolic enzymes .
|
-
- HY-D1445
-
|
|
Fluorescent Dyes/Probes
|
|
PDMPO, a lysosome pH indicator, is an excellent fluorescent acidotropic reagent for fluorescence imaging. PDMPO is a potent tool with which to study acidic organelles of live cells. PDMPO exhibits pH-dependent dual-excitation and dual-emission spectral peaks. PDMPO produces a blue fluorescence in weakly acidic organelles and shifts to yellow in more acidic lysosomes (Abs=329 nm; Em=440 nm) .
|
-
- HY-W411215
-
|
|
Fluorescent Dyes/Probes
|
|
1,4-Diacetoxy-2,3-dicyanobenzene is a cell-permeable fluorescent probe. 1,4-Diacetoxy-2,3-dicyanobenzene crosses the cell membrane and is cleaved by cytosolic esterases to the fluorescent pH indicator 2,3-dicyano-hydroquinone (DCH). 1,4-Diacetoxy-2,3-dicyanobenzene can be used to monitor intracellular pH .
|
-
- HY-D0228
-
|
Azo Violet; Magneson I
|
Dyes
|
|
4-(4-Nitrophenylazo)resorcinol is an azo purple dye used experimentally as a pH indicator, showing yellow when the pH value is lower than 11 and purple when the pH value is higher than 13. In slightly alkaline or alkaline environments, it also turns dark blue in the presence of magnesium salts. Azo Violet can also be used to test for the presence of ammonium ions. The color of the ammonium chloride or ammonium hydroxide solution will change depending on the concentration of azo violet used.
|
| Cat. No. |
Product Name |
Type |
-
- HY-W110784
-
|
Diethyl red, 98%
|
Indicators
|
|
Ethyl Red, 98% is a pH indicator.
|
-
- HY-W342120
-
|
|
Indicators
|
|
Phenolphthalein (disodium), 95% is a pH indicator.
|
-
- HY-W088071
-
|
|
Indicators
|
|
Litmus is a pH indicator, which is red at pH 4.5 and blue at pH 8.3.
|
-
- HY-D0252
-
|
|
Indicators
|
|
m-Cresol purple is a pH indicator dye with large cross section and halochromic property in neutral pH range .
|
-
- HY-Y0699
-
|
|
Indicators
|
|
Methyl red is an azo dye that acts as a pH indicator. Methyl red is red and yellow at pH 4.4 and 6.0 respectively .
|
-
- HY-D0276
-
|
Metacresol purple sodium
|
Indicators
|
|
m-Cresol purple sodium (Metacresol purple sodium) is a pH indicator. m-Cresol purple sodium solution from yellow to blue in the pH range from 7.5 to 9.0 .
|
-
- HY-W110789
-
|
|
Indicators
|
|
Ethyl Orange (sodium), indicator grade is an organic azo compound that can be used as a pH indicator from pH 3.0 to pH 4.8, changing color from red to orange.
|
-
- HY-D0015
-
|
|
Indicators
|
|
Cresol red, 97% is an anionic dye used as a pH indicator (pH 1.8 orange - pH 2.0 yellow, pH 7.0 yellow - pH 8.8 purple).
|
-
- HY-W016352
-
|
Anilotic acid, 99%
|
Indicators
|
|
2-Hydroxy-5-nitrobenzoic acid, 99% is used as an HPLC analytical standard, pH indicator, and heavy metal detection agent, and is also used in the study of phenolic compounds oxidation.
|
-
- HY-W110790
-
|
|
Indicators
|
|
Bromocresol purple (sodium) is a water-soluble dye, bromocresol purple sodium, commonly known as bromocresol purple, used as a pH indicator. The dye color changes from yellow to purple between pH 5.2 and 6.8.
|
-
- HY-D0011
-
|
|
Biochemical Assay Reagents
|
|
Bromophenol blue sodium is a pH indicator. It changes from yellow at pH 3.0 to blue at pH 4.6. Bromophenol blue sodium is also used as a tracking dye to monitor the process of agarose gel electrophoresis and polyacrylamide gel electrophoresis .
|
-
- HY-W087928
-
|
|
Indicators
|
|
Bromocresol purple is a pH indicator, whose color changes from yellow to purple when the pH increases from 5.2 to 6.8. Bromocresol purple can be used for detecting yeast cells with plasma membrane damage .
|
-
- HY-Y0699R
-
|
|
Indicators
|
|
Methyl red (Standard) is the analytical standard of Methyl red. This product is intended for research and analytical applications. Methyl red is an azo dye that acts as a pH indicator. Methyl red is red and yellow at pH 4.4 and 6.0 respectively .
|
-
- HY-128545
-
|
Nitrazine paper; pHenapHthazine
|
Indicators
|
|
Nitrazine yellow (Nitrazine paper; Phenaphthazine) is a pH indicator. The color of Nitrazine yellow changes from yellow to blue in the pH range from 6.0 to 7.0. Nitrazine yellow is a kind of biological materials or organic compounds that are widely used in life science research .
|
-
- HY-125457
-
|
p-NapHtolbenzein
|
Indicators
|
|
α-Naphtholbenzein (p-Naphtolbenzein) is a dye. α-Naphtholbenzein can be used as a pH indicator. α-Naphtholbenzein has a visual transition from yellow (pH0-8.2) to turquoise (pH10). α-Naphtholbenzein is often used during sequential injection analysis technique done for acid-base titrations .
|
-
- HY-W016352R
-
|
|
Indicators
|
|
2-Hydroxy-5-nitrobenzoic acid, 99% (Standard) is the analytical standard of 2-Hydroxy-5-nitrobenzoic acid, 99%. This product is intended for research and analytical applications. 2-Hydroxy-5-nitrobenzoic acid, 99% is used as an HPLC analytical standard, pH indicator, and heavy metal detection agent, and is also used in the study of phenolic compounds oxidation.
|
-
- HY-W040144
-
|
|
Indicators
|
|
Bromocresol green is a pH-sensitive triphenylmethane dye commonly used for the determination of protein and albumin in serum. Bromocresol green is a bio-based dye with a yellow-green to blue-green color. Bromocresol green turns yellow (λmax=435 nm, protonated form) when placed in acidic solution (e.g. pH=4.15), and turns blue in basic solution (λmax=615 nm, deprotonated form). Bromocresol green is widely used as a pH indicator in the field of biochemical analysis. In addition, Bromocresol green is also used to detect the concentration of molecules such as creatinine, and to judge the viability of cells .
|
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