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

Methyl Orange (Powder Poudre)
Molecular Formula	C14H14N3O3SNa
Molecular Weight	327.35
Chemical Abstract Number	547-58-0
Clarity of solution/Clarté de la sol'n	T.P.T.
Visual transition interval/
from pH 3.2 pink or red to pH 4.4 yellow	T.P.T.
Point de virage/
de pH 3.2 rose ou rouge à pH 4.4 jaune
# 274290

Methyl Orange (Biological Stain)
Molecular Formula	C14H14N3O3SNa
Molecular Weight	327.35
Chemical Abstract Number	547-58-0

Methyl Purple (Indicator Solution Indicateur)
UN No.	1986

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)