Methyl Orange 25g
4670-25g

  DG6.1 Toxic

METHYL ORANGE INDICATOR ACS

C.I.No.13025
Sodium 4-[(4-dimethylamino)phenyldiazenyl]benzenesulphonate

Code	04670	Grade	ACS
Purity		CAS No.	547-58-0
Molecular Formula	C14H14N3NaO3S	Molecular Weight	327.33
		Shelf Life	60 Months

Physical Properties

Physical state at 20 °C	Solid			Colour	Yellow to orange
Odour	Odorless			Density [g/cm3]	1
Solubility in water [% weight]	Soluble in 500 parts water

Specification

Appearance	Yellowish-orange colored powder	Identity (IR)	Conforms to structure
Solubility (0.1 % in water)	Clear (passes ACS test)	Visual transition range	from pH 3.2 (pink or red) to pH 4.4 (yellow-orange)
Absorption maxima in 0.01 N NaOH	461 to 469 nm

Safety Information and Hazard Symbols

Danger
UN No.: 3143
IMCO Class No.: 6.1 Toxic
Packing Group: III 9 low risk)
Hazardous Statement: H301
Precaution Statement: P301 + P310

Unit Qty: ea

Availability: 40.001 in stock