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ChemicalBook >> CAS DataBase List >> Ethyl orange

Ethyl orange

Ethyl orange price.
  • $18 - $652.29
  • Product name: Ethyl orange
  • CAS: 62758-12-7
  • MF: C16H20N3NaO3S
  • MW: 357.4
  • EINECS:263-716-4
  • MDL Number:MFCD00007503
  • Synonyms:RESAZURINE REDOX INDICATOR;EthylorangeAcs98%;EthylOrangeSodium;Ethylorange Acs 98%;Ethyl Orange sodium salt, pure, 92%;Ethyl orange sodium salt, 92%, pure;Ethyl Orange sodium salt,4-(4-Diethylaminophenylazo)benzenesulfonic acid sodium salt;Ethyl Orange sodiuM salt, pure, 92% 25GR
21 prices
Selected condition:
Brand
  • aablocks
  • AHH
  • AK Scientific
  • American Custom Chemicals Corporation
  • Biosynth
  • Chem-Impex
  • ChemScene
  • Sigma-Aldrich
  • TCI Chemical
  • Thermo Scientific Chemicals
  • TRC
Package
  • 250mg
  • 5g
  • 25g
  • 50g
  • 100g
  • 250g
  • 500g
  • 1kg
  • 5KG
  • Manufactureraablocks
  • Product numberAA00E9FP
  • Product descriptionBenzenesulfonic acid, 4-[2-[4-(diethylamino)phenyl]diazenyl]-, sodium salt (1:1) 90%(dyecontent)
  • Packaging25g
  • Price$33
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA00E9FP
  • Product descriptionBenzenesulfonic acid, 4-[2-[4-(diethylamino)phenyl]diazenyl]-, sodium salt (1:1) 90%(dyecontent)
  • Packaging5g
  • Price$18
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA00E9FP
  • Product descriptionBenzenesulfonic acid, 4-[2-[4-(diethylamino)phenyl]diazenyl]-, sodium salt (1:1) ≥90%(dyecontent)
  • Packaging100g
  • Price$50
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA00E9FP
  • Product descriptionBenzenesulfonic acid, 4-[2-[4-(diethylamino)phenyl]diazenyl]-, sodium salt (1:1) ≥90%(dyecontent)
  • Packaging250g
  • Price$85
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA00E9FP
  • Product descriptionBenzenesulfonic acid, 4-[2-[4-(diethylamino)phenyl]diazenyl]-, sodium salt (1:1) ≥90%(dyecontent)
  • Packaging1kg
  • Price$215
  • Updated2026-05-28
  • Buy
  • ManufacturerAHH
  • Product numberMT-12640
  • Product descriptionEthyl orange 97%
  • Packaging500g
  • Price$378
  • Updated2026-05-26
  • Buy
  • ManufacturerAK Scientific
  • Product numberO109
  • Product descriptionEthyl Orange sodium salt
  • Packaging25g
  • Price$38
  • Updated2021-12-16
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberDYE0000277
  • Product descriptionETHYL ORANGE 95.00%
  • Packaging25G
  • Price$133.35
  • Updated2021-12-16
  • Buy
  • ManufacturerBiosynth
  • Product numberFE40295
  • Product descriptionEthyl orange sodium
  • Packaging25g
  • Price$196.5
  • Updated2026-06-04
  • Buy
  • ManufacturerBiosynth
  • Product numberFE40295
  • Product descriptionEthyl orange sodium
  • Packaging100g
  • Price$503
  • Updated2026-06-04
  • Buy
  • ManufacturerBiosynth
  • Product numberFE40295
  • Product descriptionEthyl orange sodium
  • Packaging50g
  • Price$314
  • Updated2026-06-04
  • Buy
  • ManufacturerChem-Impex
  • Product number22836
  • Product descriptionEthylOrangesodiumsalt,≥90%(dyecontent) ≥90%(dyecontent)
  • Packaging5KG
  • Price$652.29
  • Updated2021-12-16
  • Buy
  • ManufacturerChem-Impex
  • Product number22836
  • Product descriptionEthyl Orange sodium salt ≥90%(dyecontent)
  • Packaging250G
  • Price$65
  • Updated2026-05-19
  • Buy
  • ManufacturerChem-Impex
  • Product number22836
  • Product descriptionEthyl Orange sodium salt ≥90%(dyecontent)
  • Packaging1KG
  • Price$195
  • Updated2026-05-19
  • Buy
  • ManufacturerChem-Impex
  • Product number22836
  • Product descriptionEthyl Orange sodium salt ≥90%(dyecontent)
  • Packaging100G
  • Price$30
  • Updated2026-05-19
  • Buy
  • ManufacturerChemScene
  • Product numberCS-0169062
  • Product descriptionEthyl Orange (sodium), indicator grade IND
  • Packaging25g
  • Price$108
  • Updated2026-06-04
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
aablocks AA00E9FP Benzenesulfonic acid, 4-[2-[4-(diethylamino)phenyl]diazenyl]-, sodium salt (1:1) 90%(dyecontent) 25g $33 2026-05-28 Buy
aablocks AA00E9FP Benzenesulfonic acid, 4-[2-[4-(diethylamino)phenyl]diazenyl]-, sodium salt (1:1) 90%(dyecontent) 5g $18 2026-05-28 Buy
aablocks AA00E9FP Benzenesulfonic acid, 4-[2-[4-(diethylamino)phenyl]diazenyl]-, sodium salt (1:1) ≥90%(dyecontent) 100g $50 2026-05-28 Buy
aablocks AA00E9FP Benzenesulfonic acid, 4-[2-[4-(diethylamino)phenyl]diazenyl]-, sodium salt (1:1) ≥90%(dyecontent) 250g $85 2026-05-28 Buy
aablocks AA00E9FP Benzenesulfonic acid, 4-[2-[4-(diethylamino)phenyl]diazenyl]-, sodium salt (1:1) ≥90%(dyecontent) 1kg $215 2026-05-28 Buy
AHH MT-12640 Ethyl orange 97% 500g $378 2026-05-26 Buy
AK Scientific O109 Ethyl Orange sodium salt 25g $38 2021-12-16 Buy
American Custom Chemicals Corporation DYE0000277 ETHYL ORANGE 95.00% 25G $133.35 2021-12-16 Buy
Biosynth FE40295 Ethyl orange sodium 25g $196.5 2026-06-04 Buy
Biosynth FE40295 Ethyl orange sodium 100g $503 2026-06-04 Buy
Biosynth FE40295 Ethyl orange sodium 50g $314 2026-06-04 Buy
Chem-Impex 22836 EthylOrangesodiumsalt,≥90%(dyecontent) ≥90%(dyecontent) 5KG $652.29 2021-12-16 Buy
Chem-Impex 22836 Ethyl Orange sodium salt ≥90%(dyecontent) 250G $65 2026-05-19 Buy
Chem-Impex 22836 Ethyl Orange sodium salt ≥90%(dyecontent) 1KG $195 2026-05-19 Buy
Chem-Impex 22836 Ethyl Orange sodium salt ≥90%(dyecontent) 100G $30 2026-05-19 Buy
ChemScene CS-0169062 Ethyl Orange (sodium), indicator grade IND 25g $108 2026-06-04 Buy

Properties

Melting point :>300°C
storage temp. :room temp
solubility :Very soluble in water; very slightly soluble in ethanol
pka :4.34(at 25℃)
form :Powder
color :Orange
PH Range :Red (3.4) to yellow (4.8)
Water Solubility :H2O: 1mg/mL
ε(extinction coefficient) :≥29000 at 473-477nm in deionized water
≥8000 at 274-282nm in deionized water λmax :474nm
BRN :3821641
Major Application :Lithographic plate preparation, holographic storage, hybrid materials, inks, surface probes, diagnostic agents for diseases related with amyloid accumulation
InChI :InChI=1S/C16H19N3O3S.Na.H/c1-3-19(4-2)15-9-5-13(6-10-15)17-18-14-7-11-16(12-8-14)23(20,21)22;;/h5-12H,3-4H2,1-2H3,(H,20,21,22);;/b18-17+;;
InChIKey :JIQMFPYPPUEBQO-QIKYXUGXSA-N
SMILES :N(C1C=CC(/N=N/C2C=CC(S(O)(=O)=O)=CC=2)=CC=1)(CC)CC.[NaH]
CAS DataBase Reference :62758-12-7(CAS DataBase Reference)
EPA Substance Registry System :Benzenesulfonic acid, 4-[[4-(diethylamino)phenyl]azo]-, sodium salt (62758-12-7)

Safety Information

Symbol(GHS): Exclamation Mark (GHS07)
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P264 Wash hands thoroughly after handling.
P264 Wash skin thouroughly after handling.
P271 Use only outdoors or in a well-ventilated area.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P302+P352 IF ON SKIN: wash with plenty of soap and water.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Description

Indicator: pH 3.0 (red) to pH 4.5 (yellow)

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