Methyl Red sodium salt
[CAS# 845-10-3]

Identification

• Classification: Biochemical >> Biochemical reagent >> Acid-base indicator
• Name: Methyl Red sodium salt
• Synonyms: C.I. 13020; 2-[4-(Dimethylamino)phenylazo]benzoic acid sodium salt
• Molecular Formula: C₁₅H₁₄N₃NaO₂
• Molecular Weight: 291.28
• CAS Registry Number: 845-10-3
• EC Number: 212-682-9

Properties

• Density: 0.791
• Melting point: -98 ºC
• Boiling point: 64.7 ºC
• Flash point: 12 ºC

Safety Data

• Safety Description: S24/25

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Eye irritation	Eye Irrit.	2	H319
Acute toxicity	Acute Tox.	4	H312
Acute toxicity	Acute Tox.	4	H332
Skin irritation	Skin Irrit.	2	H315
Specific target organ toxicity - single exposure	STOT SE	3	H335
Acute toxicity	Acute Tox.	4	H302
Chronic hazardous to the aquatic environment	Aquatic Chronic	3	H412
Acute toxicity	Acute Tox.	3	H301
Germ cell mutagenicity	Muta.	2	H341