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Thermo Scientific Chemicals Methyl Orange
CAS: 547-58-0 | C14H14N3NaO3S | 327.334 g/mol
Supplier: Thermo Scientific™ A1760436
Description
Methyl Orange is a pH indicator used in titrations for acids. It is also used for histological microscopy. Further, it is used as counter stain to crystal violet in staining pollen tubes.
This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.
ApplicationsMethyl Orange is a pH indicator used in titrations for acids. It is also used for histological microscopy. Further, it is used as counter stain to crystal violet in staining pollen tubes.
Solubility
Soluble in ethanol. Partially soluble in hot water. Slightly soluble in cold water and pyrimidine. Insoluble in ether and alcohol.
Notes
Incompatible with strong oxidizing agents.
Specifications
| Methyl Orange | |
| 547-58-0 | |
| MFCD00007502 | |
| 4732884 | |
| Acid Orange 52; C.I. 13025 | |
| STZCRXQWRGQSJD-UHFFFAOYSA-M | |
| sodium;4-[[4-(dimethylamino)phenyl]diazenyl]benzenesulfonate | |
| 23673835 | |
| Weak, Characteristic | |
| 500 g |
| >300°C | |
| C14H14N3NaO3S | |
| UN3143 | |
| 14,6105 | |
| Soluble in ethanol. Partially soluble in hot water. Slightly soluble in cold water and pyrimidine. Insoluble in ether and alcohol. | |
| CN(C)C1=CC=C(C=C1)N=NC2=CC=C(C=C2)S(=O)(=O)[O-].[Na+] | |
| 327.334 | |
| 327.34 | |
| 6.5 |
Chemical Identifiers
| 547-58-0 | |
| 327.334 | |
| STZCRXQWRGQSJD-UHFFFAOYSA-M | |
| 23673835 | |
| CN(C)C1=CC=C(C=C1)N=NC2=CC=C(C=C2)S(=O)(=O)[O-].[Na+] |
| C14H14N3NaO3S | |
| MFCD00007502 | |
| Acid Orange 52; C.I. 13025 | |
| sodium;4-[[4-(dimethylamino)phenyl]diazenyl]benzenesulfonate |
Safety and Handling
GHS H Statement
H301
Toxic if swallowed.
P264b-P270-P301+P310-P330-P501c
H301
DOTInformation : Transport Hazard Class: 6.1; Packing Group: III; Proper Shipping Name: DYES, SOLID, TOXIC, N.O.S.
EINECSNumber : 208-925-3
RTECSNumber : DB6327000
TSCA : Yes
Recommended Storage : Ambient temperatures
RUO – Research Use Only