Orange II sodium salt
SIAL/75370 - for microscopy (Hist.), indicator (pH 11.0-13.0)
Synonym: 4-
CAS Number: 633-96-5
Empirical Formula (Hill Notation): C16H11N2NaO4S
Molecular Weight: 350.32
EC Number: 211-199-0
MDL Number: MFCD00011657
Linear Formula: C16H11N2NaO4S
Product Type: Chemical
εmax | ≥500 at 478.0-488.0 nm in water |
application(s) | diagnostic assay manufacturing hematology histology |
form | powder |
grade | for microscopy (Hist.) |
indicator (pH 11.0-13.0) | |
InChI | 1S/C16H12N2O4S.Na/c19-15- |
InChI key | CQPFMGBJSMSXLP-ZAGWXBKKSA |
Quality Level | 200 ![]() |
SMILES string | [Na+].Oc1ccc2ccccc2c1N=N |
solubility | hot water: 0.5 g/10 mL, clear |
storage temp. | room temp |
visual transition interval | 11-13, yellow to orange-red |
Application: | It has been used in synthesis and characterization of Fe-doped aluminosilicate nanotubes with electron conductive properties. |
General description: | Orange II is a sulfonated azo dye. |
Other Notes: | Reagent for the extraction and spectrophotomeric determination of cationic surfactants |
Hazard Codes | Xi |
Risk Statements | 36/37/38 |
Safety Statements | 26 |
RIDADR | NONH for all modes of transport |
WGK Germany | WGK 3 |
Flash Point(F) | Not applicable |
Flash Point(C) | Not applicable |
Storage Temp. | room temp |
Colour Index Number | 15510 |
UNSPSC | 12171500 |