pH Indicators

pH Indicators

pH Indicators

　 製品コード 指示薬名1) 変色範囲2)
G0177 Methyl Violet (Y)0.1-1.5(B)
B0781 Benzopurpurine 4B (B)1.0-4.0(R)
M0490 Acid Yellow 36 (R)1.2-2.3(Y)
M0074 m-Cresol Purple (R)1.2-2.8(Y)
S0045 m-Cresol Purple Sodium Salt (R)1.2-2.8(Y)
X0016 p-Xylenol Blue (R)1.2-2.8(Y)
* T0235 Thymol Blue (R)1.2-2.8(Y)
S0049 Thymol Blue Sodium Salt (R)1.2-2.8(Y)
A0576 Aniline Yellow (R)1.2-3.0(Y)
P0631 Pentamethoxy Red (RV)1.2-3.8(C)
G0177 Methyl Violet (B)1.5-3.2(V)
B0425 Benzyl Orange (R)1.9-3.3(Y)
D0842 2,6-Dinitrophenol (wetted with ca. 20% Water) (sY)2.4-4.0(Y)
D0109 2,4-Dinitrophenol (wetted with ca. 20% Water) (sY)2.6-4.0(Y)
D0231 Methyl Yellow (R)2.9-4.0(Y)
T0039 Tetrabromophenol Blue (YG)3.0-4.6(B)
B0574 Bromochlorophenol Blue (Y)3.0-4.6(V)
* B0631 Bromophenol Blue (Y)3.0-4.6(BV)
S0043 Bromophenol Blue Sodium Salt (Y)3.0-4.6(BV)
C0550 Congo Red (V)3.0-5.0(RO)
* M0489 Methyl Orange (R)3.1-4.4(OY)
E0155 Ethyl Orange (R)3.4-4.8(Y)
A5107 TBPE (YG)3.4-5.4(BV)
E0054 4-Ethoxychrysoidine Hydrochloride (R)3.5-5.5(Y)
* B0578 Bromocresol Green (Y)3.8-5.4(B)
S0041 Bromocresol Green Sodium Salt (Y)3.8-5.4(B)
D0841 2,5-Dinitrophenol (wetted with ca. 20% Water) (sY)4.0-5.8(Y)
* M0421 Methyl Red (R)4.2-6.2(Y)
M0424 Methyl Red Sodium Salt (R)4.2-6.2(Y)
L0079 Lacmoid (P)4.4-6.6(V)
* N0220 4-Nitrophenol (sY)4.8-7.6(Y)
* C0245 Chlorophenol Red (Y)5.0-6.6(R)
C0247 Chlorophenol Red Sodium Salt (Y)5.0-6.6(R)
N0219 2-Nitrophenol (sY)5.0-7.0(Y)
N0223 4-Nitrophenol Sodium Salt Dihydrate (sY)5.0-7.6(Y)
* B0580 Bromocresol Purple (Y)5.2-6.8(V)
S0042 Bromocresol Purple Sodium Salt (Y)5.2-6.8(V)
R0006 Resazurin Sodium Salt (R)5.2-6.8(B)
B0632 Bromophenol Red (Y)5.2-6.8(R)
* B0657 Bromothymol Blue (Y)6.0-7.6(B)
S0044 Bromothymol Blue Sodium Salt (Y)6.0-7.6(B)
N0315 Neutral Red (R)6.8-8.0(Y)
A0598 Pararosolic Acid (O)6.8-8.0(VR)
* P0100 Phenol Red (Y)6.8-8.4(R)
P0102 Phenol Red Sodium Salt (Y)6.8-8.4(R)
N0217 3-Nitrophenol (sY)6.8-8.6(Y)
N0222 2-Nitrophenol Sodium Salt (sY)6.8-8.6(Y)
N0031 alpha-Naphtholphthalein (O)7.0-7.9(GB)
* C0406 Cresol Red (Y)7.2-8.8(R)
S0046 Cresol Red Sodium Salt (Y)7.2-8.8(R)
M0074 m-Cresol Purple (Y)7.4-9.0(V)
S0045 m-Cresol Purple Sodium Salt (Y)7.4-9.0(V)
B0817 Ethyl Bis(2,4-dinitrophenyl)acetate (C)7.5-9.1(B)
* C0434 Curcumin (Y)7.8-8.6(RBr)
* P0094 Phenolphthalein (C)7.8-10.0(P)
N0031 alpha-Naphtholphthalein (GB)7.9-8.6(B)
* T0235 Thymol Blue (Y)8.0-9.6(B)
S0049 Thymol Blue Sodium Salt (Y)8.0-9.6(B)
X0016 p-Xylenol Blue (Y)8.0-9.6(VB)
* C0404 o-Cresolphthalein (C)8.0-9.8(P)
P0099 Phenolphthalein Disodium Salt (Water soluble) (C)8.3-10.0(P)
* T0237 Thymolphthalein (C)8.6-10.5(B)
A0579 Mordant Orange 1 (YO)10.0-12.0(OR)
A0578 Alizarin Yellow GG (Y)10.0-12.0(BrY)
R0010 Tropaeolin O (Y)11.0-12.8(R)
T0496 1,3,5-Trinitrobenzene (wetted with ca. 40% Water) (C)11.5-14.0(O)
I0214 Indigo Carmine (B)11.6-14.0(Y)

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1) The arrangement is in the order of the ranges in color change.
2) The color notation is abbreviated as follows;
B=Blue, Br=Brown, C=Colorless, G=Green, O=Orange, P=Pink, R=Red, V=Violet, Y=Yellow, s=slightly

* We have the products available for ready-to-use for the pH determination or as titration indicators.


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