Methyl Orange

Melting point :300 °C
Density :0.987 g/mL at 25 °C
bulk density :200-400kg/m3
Flash point :37 °C
storage temp. :Store at +5°C to +30°C.
solubility :5g/l
form :Powder/Solid
pka :3.4(at 25℃)
Colour Index :13025
color :Yellow-Orange
Specific Gravity :0.987
Odor :Odorless
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
InChI :1S/C14H15N3O3S.Na/c1-17(2)13-7-3-11(4-8-13)15-16-12-5-9-14(10-6-12)21(18,19)20;/h3-10H,1-2H3,(H,18,19,20);/q;+1/p-1/b16-15+;
InChIKey :STZCRXQWRGQSJD-GEEYTBSJSA-M
SMILES :[Na+].CN(C)c1ccc(cc1)\N=N\c2ccc(cc2)S([O-])(=O)=O
CAS DataBase Reference :547-58-0
EPA Substance Registry System :Methyl orange (547-58-0)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H301 Toxic if swalloed Acute toxicity,oral Category 3 Danger P264, P270, P301+P310, P321, P330,P405, P501
Precautionary statements:	P264 Wash hands thoroughly after handling. P264 Wash skin thouroughly after handling. P270 Do not eat, drink or smoke when using this product. P301+P310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. P405 Store locked up. P501 Dispose of contents/container to..…