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199567

Ethyl Orange sodium salt

indicator grade, Dye content 90 %

Synonym(s):

4-(4-Diethylaminophenylazo)benzenesulfonic acid sodium salt

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About This Item

Linear Formula:
(C2H5)2NC6H4N=NC6H4SO3Na
CAS Number:
62758-12-7
Molecular Weight:
355.39
UNSPSC Code:
12171500
NACRES:
NA.47
PubChem Substance ID:
24851926
EC Number:
263-716-4
Beilstein/REAXYS Number:
3821641
MDL number:
MFCD00007503
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grade

indicator grade

Quality Segment

composition

Dye content, 90%

technique(s)

titration: suitable

visual transition interval

3.0-4.8, red to orange

solubility

H2O: 1 mg/mL

λmax

474 nm

ε (extinction coefficient)

≥29000 at 473-477 nm in deionized water, ≥8000 at 274-282 nm in deionized water

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

SMILES string

CCN(CC)c1ccc(cc1)\N=N\c2ccc(cc2)S(O)(=O)=O

InChI

1S/C16H19N3O3S.Na/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);/q;+1/p-1/b18-17+;

InChI key

YZORUOZKRBVLEG-ZAGWXBKKSA-M

WGK

WGK 3

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Codes

H315,H319,H335

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class

11 - Combustible Solids

Flash Point (°F)

Not applicable

Flash Point (°C)

Not applicable

PPE (personal protective equipment)

dust mask type N95 (US), Eyeshields, Gloves

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