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= Chemical Safety Data: Methyl orange =
Common synonyms p-[[p-(dimethylamino)phenyl]azo]benzenesulfonic acid sodium salt, methyl orange sodium, helianthine, acid orange III, C.I. acid orange 52 Formula (CH3)2NC6H4:NC6H4SO3Na Physical properties Form: orange to yellow powder
pK at 20 C: 3.46
Colour change range: pH 3.1 - 4.4
Colour change: Red to yellow
Preparation: 0.01% by weight in water Principal hazards Methyl orange is thought to be toxic if swallowed or inhaled. Avoid skin contact with the solution or the solid.
Safe handling Wear safety glasses. If the solution comes into contact with your skin wash it off without delay. Emergency Eye contact: Immediately flush the eye with water. If irritation persists, seek medical attention.
Skin contact: Wash off with plenty of water.
If swallowed:Drink plenty of water and call for medical help. Disposal Small amounts of methyl orange solution can be flushed down a sink with a large quantity of water, unless local rules prohibit this. Protective equipment Safety glasses. If you need gloves, neoprene, nitrile or natural rubber are suitable. Further information Methyl orange
Chemicals in the HSci database
More extensive safety data
Link to the Oxford HSci web site
We have tried to make this information as accurate and useful as possible, but can take no responsibility for its use, misuse, or accuracy. We have not verified this information, and cannot guarantee that it is up-to-date.
Oxford, January 26, 2007. This chemical included at the suggestion of Joseph.
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What is the similarities between both methyl orange and screen methyl orange?
is methyl orange a pure substance
What is the colour of methyl orange in alkaline medium?
the color of methyl orange in an acidic medium is orange
What is the name of the blue colouration in methyl orange?
what is the colour of the blue and orange colouration in methyl orange
Functional group in methyl orange?
Methyl orange is red under a pH=3,1 and yellow over a pH=4,4; methyl orange is useful for the titrimetric determination of acids concentration.
What is the colour of methyl orange in alkali?
IN ACID: it turns methyl orange pink In base: it turns methyl orange yellow
What is the similarities between both methyl orange and screen methyl orange?
is methyl orange a pure substance
Why methyl orange polar?
Methyl orange is a polar compound.
What is the colour of methyl orange in alkaline medium?
the color of methyl orange in an acidic medium is orange
What is the name of the blue colouration in methyl orange?
what is the colour of the blue and orange colouration in methyl orange
Functional group in methyl orange?
Methyl orange is red under a pH=3,1 and yellow over a pH=4,4; methyl orange is useful for the titrimetric determination of acids concentration.
When using paper chromatography to separate screen methyl orange and methyl orange which one moves the furthest up the paper?
The Screened Methyl Orange moves the furthest
What is the colour of methyl orange in alkali?
IN ACID: it turns methyl orange pink In base: it turns methyl orange yellow
What is methyl orange and where it is used?
Methyl orange is a pH indicator having the chemical formula C14H14N3NaO3S.
What is the equation of titration with methyl orange?
The equation of titration with methyl orange is C14H14N3NaO3S. Methyl orange is a pH indicator that is often used in titration, which is a laboratory method of quantitative chemical analysis.
Where can you buy methyl orange indicator?
We can buy methyl orange(indicator) from scientific stores or chemical stores.
What is the solution of NaOH in methyl orange indicator?
Methyl orange shows yellow color in an NaOH solution.
How do you prepare methyl orange indicator for titration?
5g methyl orange dry dissolved with 100ml distilled water.
