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Thermo Scientific Chemicals Methyl Orange
CAS: 547-58-0 | C14H14N3NaO3S | 327.334 g/mol
Supplier: Thermo Scientific Chemicals A1760422
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 | |
| CN(C)C1=CC=C(C=C1)N=NC2=CC=C(C=C2)S(=O)(=O)[O-].[Na+] | |
| 327.334 | |
| 327.34 | |
| 6.5 |
| >300°C | |
| C14H14N3NaO3S | |
| UN3143 | |
| 14,6105 | |
| STZCRXQWRGQSJD-UHFFFAOYSA-M | |
| sodium;4-[[4-(dimethylamino)phenyl]diazenyl]benzenesulfonate | |
| 23673835 | |
| Weak, Characteristic | |
| 100 g |
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.
GHS P Statement
P264-P270-P301+P310-P321-P405-P501a
Wash thoroughly after handling.
Do not eat, drink or smoke when using this product.
IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.
Specific treatment (see label).
Store locked up.
Dispose of contents/container in accordance with local/regional/national/international regulations.
Danger
DOTInformation : Transport Hazard Class: 6.1; Packing Group: III; Proper Shipping Name: DYES, SOLID, TOXIC, N.O.S.
RTECSNumber : DB6327000
TSCA : TSCA
RUO – Research Use Only