Methyl Violet 2B

Y 0.0 - 1.6 B

Crystal Violet

Y 0.0 - 1.8 B

Ethyl Violet

Y 0.0 - 3.5 B

Brilliant Green

Y 0.0 - 2.6 G

Malachite Green Oxalate

Y 0.2 - 1.8 B

Methyl Green

Y 0.2 - 1.8 B

Cresol Red **

R 1.0 - 2.0 Y

Quinaldine Red

C 1.0 - 2.2 R

Metanil Yellow

R 1.2 - 3.0 Y

4-Phenylazodiphenylamine

R 1.2 - 2.5 Y

Thymol Blue **

R 1.2 - 2.8 Y

m-Cresol Purple **

R 1.0 - 2.8 Y

Orange IV

R 1.4 - 2.8 Y

Erythrosin B

O 2.2 - 3.6 R

Benzopurourin 4B

V 2.2 - 4.2 R

Stains-all

C 2.4 - 3.4 P

Tetrabromophenolphthalein Ethyl Ester Potassium Salt

Y 3.0 - 4.2 B

Bromophenol Blue **

Y 3.0 - 4.6 B

Congo Red

B 3.0 - 5.0 R

Methyl Orange

R 3.2 - 4.4 Y

Ethyl Orange

R 3.2 - 4.8 Y

Bromocresol Green **

Y 3.8 - 5.4 B

Ethyl Red

C 4.0 - 5.8 R

Methyl Red **

K 4.2 - 6.2 Y

Alizarin Red S

Y 4.6 - 6.0 R

Propyl Red

R 4.8 - 6.6 Y

o-Nitrophenol

C 5.0 - 6.2 Y

Mordant Black 11

R 5.0 - 6.5 B

Bromocresol Purple **

Y 5.2 - 6.8 P

Chlorophenol Red

Y 5.2 - 8.8 R

p-Nitrophenol

C 5.4 - 6.6 Y

Bromothymol Blue **

Y 6.0 - 7.0 B

Brilliant Yellow

Y 6.6 - 8.0 O

Phenol Red **

Y 6.8 - 8.2 R

Neutral Red

R 6.8 - 8.0 A

m-Nitrophenol

C 6.8 - 8.6 Y

Cresol Red **

Y 7.0 - 8.8 R

Curcumin

Y 7.4 - 8.6 R

Meta Cresol Purple **

Y 7.4 - 9.0 P

Thymol Blue **

Y 8.0 - 9.2 B

Phenolphthalein

C 8.0 - 10.0 R

o-Cresolphthalein

C 8.2 - 9.8 R

p-Naphtholbenzein

C 8.2 - 10.0 B

Thymolphthalein

C 8.8 - 10.5 B

Nile Blue A

B 9.4 - 10.6 B

Alizarin Yellow R

Y 10.0 - 12.0 R

Curcumin

R 10.2 - 11.8 O

Alizarin

R 7.2 - 12.4 P

Indigo Carmine

B 11.4 - 13.0 Y