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547-58-0 - Methyl Orange - Acid Orange 52 - C.I. 13025 - A17604 - Alfa Aesar

A17604 Methyl Orange

CAS Number
547-58-0
Synonyms
Acid Orange 52
C.I. 13025

Size Price ($) Quantity Availability
25g 18.00
100g 27.50
500g 89.80
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Methyl Orange

MDL
MFCD00007502
EINECS
208-925-3

Chemical Properties

Formula
C14H14N3NaO3S
Formula Weight
327.34
Melting point
>300°
Solubility
Soluble in ethanol. Partially soluble in hot water. Slightly soluble in cold water and pyrimidine. Insoluble in ether and alcohol.

Applications

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.

Notes

Incompatible with strong oxidizing agents.

Literature References

Acid-base indicator: pH 3.2 - 4.4.

Gomez-Solís, C.; Ballesteros, J. C.; Torres-Martínez, L. M.; Juárez-Ramírez, I.; Torres, L. A. D.; Zarazua-Morin, M. E.; Lee, S. W. Rapid synthesis of ZnO nano-corncobs from Nital solution and its application in the photodegradation of methyl orange. J. Photochem. Photobiol., A 2015, 298, 49-54.

Varga, M.; Kopecká, J.; Morávková, Z.; K?ivka, I.; Trchová, M.; Stejskal, J.; Prokeš, J. Effect of oxidant on electronic transport in polypyrrole nanotubes synthesized in the presence of methyl orange. J. Polym. Sci., Part B: Polym. Phys. 2015, 53 (16), 1147-1159.

GHS Hazard and Precautionary Statements

Hazard Statements: H301

Toxic if swallowed.

Precautionary Statements: P264-P270-P301+P310-P321-P330-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). Rinse mouth. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Other References

Merck
14,6105
Beilstein
4732884
Hazard Class
6.1
Packing Group
III
Harmonized Tariff Code
2927.00
TSCA
Yes
RTECS
DB6327000

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