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Postion:Product Catalog >Biochemical Engineering>Biochemical Reagents>Biological Dyes>Methyl Orange
Methyl Orange
  • Methyl Orange
  • Methyl Orange

Methyl Orange

Price $1
Package 1KG
Min. Order: 1G
Supply Ability: 100KG
Update Time: 2019-07-06

Product Details

Product Name: Methyl Orange CAS No.: 547-58-0
EC-No.: 208-925-3 Min. Order: 1G
Purity: 99% Supply Ability: 100KG
Release date: 2019/07/06

AD68

Methyl Orange Basic information
Description References
Product Name: Methyl Orange
Synonyms: STOCK METHYL ORANGE SOLUTION;SODIUM 4-(DIMETHYLAMINO)AZOBENZENE-4'-SULFONATE;S NO 176;ORANGE III;ORANGE ACID 52;P-DIMETHYLAMINOAZOBENZENESULFONIC ACID SODIUM SALT;P-[[P-(DIMETHYLAMINO)PHENYL]AZO]BENZENESULFONIC ACID, SODIUM SALT;MO
CAS: 547-58-0
MF: C14H14N3NaO3S
MW: 327.33
EINECS: 208-925-3
Product Categories: Intermediates of Dyes and Pigments;Organics;Piperazine derivates;Analytical Chemistry;Indicator (pH);pH Indicators;Chemistry;Indicator Solutions;Indicators;Titration;Azo
Mol File: 547-58-0.mol
Article illustration
 
Methyl Orange Chemical Properties
Melting point  300 °C
density  0.987 g/mL at 25 °C
Fp  37 °C
storage temp.  Store at RT.
solubility  5g/l
form  Powder/Solid
pka 3.4(at 25℃)
Colour Index  13025
color  Yellow-Orange
PH 6.5 (5g/l, H2O, 20℃)
PH Range 3.1(Red)-4.4(Orange)
Water Solubility  Soluble in ethanol. Partially soluble in hot water. Slightly soluble in cold water and pyrimidine. Insoluble in ether and alcohol.
λmax 507nm, 522nm, 464nm
Merck  14,6105
BRN  4732884
Stability: Stable. Incompatible with strong oxidizing agents.
Biological Applications Detecting microorganisms; treating dermatological diseases,vaginal affections; dental materials; wound dressing materials
Major Application Liquid crystals, thin films, sensors, sol-gel matrix, waveguides, host-guest chemistry, display device, corrosion inhibitor, glass coatings, paints, wound dressing materials, pharmaceuticals, dental materials, measuring nucleic acid
EPA Substance Registry System Benzenesulfonic acid, 4-[[4-(dimethylamino)phenyl] azo]-, sodium salt(547-58-0)
 
Safety Information
Hazard Codes  T
Risk Statements  25-10
Safety Statements  45-24/25-16-36/37/39
RIDADR  UN 3143 6.1/PG 3
WGK Germany  3
RTECS  DB6327000
TSCA  Yes
HazardClass  6.1
PackingGroup  III
HS Code  29270000
Hazardous Substances Data 547-58-0(Hazardous Substances Data)
 
 
Methyl Orange Usage And Synthesis
Description Methyl orange is an orange, azoic dye. It has a transition range from 3.1 to 4.4. Methyl orange does not have a full spectrum of color change, but has a sharper end point. Methyl orange shows red color in acidic medium (pH < 3.1) and yellow color in basic medium (pH > 4.4). It is used as a pH-indicator in 0.1% aqueous solution for the titration of mineral acids (not organic acids) and strong bases. Methyl orange is also used in dyeing and printing textiles as a dyestuff.
References [1] https://en.wikipedia.org/wiki/Methyl_orange
[2] Mohammed Bassim Alqaragully (2014) International Journal of Advanced Research in Chemical Science, 1, 48-59
Chemical Properties orange-yellow powder
Uses As indicator in 0.1% aqueous solution. pH: 3.1 red, 4.4 yellow. Employed for titrating most mineral acids, strong bases, estimating alkalinity of waters; useless for organic acids. In dyeing and printing of textiles.
General Description Orange powder.
Air & Water Reactions Azo dyes can be explosive when suspended in air at specific concentrations. Insoluble in water.
Reactivity Profile Methyl Orange is an azo compound. Azo, diazo, azido compounds can detonate. This applies in particular to organic azides that have been sensitized by the addition of metal salts or strong acids. Toxic gases are formed by mixing materials of this class with acids, aldehydes, amides, carbamates, cyanides, inorganic fluorides, halogenated organics, isocyanates, ketones, metals, nitrides, peroxides, phenols, epoxides, acyl halides, and strong oxidizing or reducing agents. Flammable gases are formed by mixing materials in this group with alkali metals. Explosive combination can occur with strong oxidizing agents, metal salts, peroxides, and sulfides.

Company Profile Introduction

Established in 2014,Career Henan Chemical Co. is a manufacturerspecializing in the sale of fine chemicals. Mainly deals in the sales of: Pharmaceutical intermediates OLED intermediates: Pharmaceutical intermediates; OLED intermediates;

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