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114510 Sigma-Aldrich

Methyl Orange

ACS reagent, Dye content 85 %

Synonym: 4-[4-(Dimethylamino)phenylazo]benzenesulfonic acid sodium salt, Acid Orange 52, Helianthin, Orange III

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Properties

Related Categories Analytical Reagents, Analytical/Chromatography, Cell Biology, Hematology and Histology, Indicators,
grade   ACS reagent
InChI Key   STZCRXQWRGQSJD-GEEYTBSJSA-M
composition   Dye content, 85%
pH range   3.0 - 4.4, pink to yellow
visual transition interval   3.2 - 4.4, red to yellow
absorption   λmax 505 nm

Description

Packaging

25, 100, 500 g in glass bottle

Biochem/physiol Actions

Methyl Orange is an azo dye which works as a pH indicator.

Price and Availability

Suggested Laboratory Gloves


Laboratory GlovesThis substance has been tested against several types of hand protection for CE compliance. Click below to find the recommended gloves for handling this product.




All labs need water
Safety & Documentation

Safety Information

Symbol 
GHS06  GHS06
Signal word 
Danger
Hazard statements 
Precautionary statements 
RIDADR 
UN 3143PSN1 6.1 / PGIII
WGK Germany 
3

Documents

Certificate of Analysis

Certificate of Origin

Protocols & Articles
Peer-Reviewed Papers
15

References

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