Meets A.C.S. specs./Conforme aux normes A.C.S.

Methyl Red (Crystals Cristaux)
Molecular Formula	C15H15N3O2
Molecular Weight	269.31
Melting point	179 °C
Chemical Abstract Number	493-52-7
Melting point/Point de fusion	179-182 °C
Clarity of alcohol solution/
Limpidité de la solution alcoolique	T.P.T.
Clarity of aqueous solution/
Limpidité de la solution aqueuse	T.P.T.
Visual transition interval/
from pH 4.2 (pink) to pH 6.2 (yellow)
Point de virage/
de pH 4.2 (rose) à pH 6.2 (jaune)

Meets A.C.S. specs./Conforme aux normes A.C.S.

Methyl Red (Water Soluble dans l'Eau)
Molecular Formula	C15H14N3O2Na
Molecular Weight	291.23
Melting point	179 °C
Chemical Abstract Number	845-10-3
Clarity of alcohol solution/
Limpidité de la solution alcoolique	T.P.T.
Clarity of aqueous solution/
Limpidité de la solution aqueuse	T.P.T.
Visual transition interval/
from pH 4.2 (pink) to pH 6.2 (yellow)
Point de virage/
de pH 4.2 (rose) à pH 6.2 (jaune)	Conforms

Methyl Red (Indicator Indicateur)
At temp	20

Meets A.C.S. specs. / Conforme aux normes A.C.S.

Methyl Red (Hydrochloride Hydrochlorure)
Molecular Formula	C15H15N3O2 · HCl
Molecular Weight	305.80
Chemical Abstract Number	63451-28-5
Clarity of alcohol solution /
Limpidité d'un solution alcoolique	T.P.T.
Visual transition interval
pH 4.2 (pink) to pH 6.2 (yellow)
Point de virage
pH 4.2 (rose) à pH 6.2 (jaune)	T.P.T.

Methyl Violet 2B (Biological Stain)
Molecular Formula	C24H28N3Cl
Molecular Weight	393.96
Melting point	137 °C (dec.)
Chemical Abstract Number	8004-87-3