What is Zimmerman Reagent made of?
(I know it is acidic b/c I was told after it burned a hole in my jeans)
acid?
You must mean Zimmermann-Reinhardt reagent (79 g MnSO4, 100 mL of concentrated H2SO4, and 200 mL of concentrated H3PO4, diluted to 1 L)
Zimmerman reagent is equal
volumes of m-dinitrobenzene solution and 40% benzyltrimethyl-ammonium-hydroxide , hardly acidic.
You ought to know chem safety of reagents and possible reactions, health effects, and disposal methods BEFORE you go to lab. If it was not discussed, you ought to bring up the subject with your chem lab prof in a kindly way.
The Zimmerman reagent, more properly called the Zimmerman-Reinhardt reagent, is prepared by dissolving 300 g MnSO4.4H2O in 1 L of water. Cautiously add 400 mL of concd H2SO4, 400 mL of 85% H4PO5, and dilute to 3 L. H2SO4 is not kind to jeans, even Jordasch jeans.
I didn't put my calculator to the test but I'm almost positive that the numbers posted by Bob Pursley for the Zimmerman-Reinhardt reagent are essentially the same as the ones I posted. His prep uses MnSO4 whereas mine uses MnSO4.4H2O and his prep makes 1 L whereas mine is 3 L.
It was just called "Zimmerman Reagent" in my lab manual.
And I now know it is definitely not merciful to jeans XD
And we are NOT told about the nature of chemicals we use in the lab before we do the labs..I never knew they were supposed to..Basically the only people who know about the chemicals are the lab techs, but my LAST lab tech did tell us the hazards before we started lab....
university
The Zimmerman Reagent, or Zimmerman-Reinhardt reagent, is made by dissolving 300 g of MnSO4.4H2O in 1 L of water. Then, cautiously add 400 mL of concentrated H2SO4 and 400 mL of 85% H4PO5, and dilute the mixture to 3 L.
It is important to note that Zimmerman Reagent is not acidic. It is equal volumes of m-dinitrobenzene solution and 40% benzyltrimethyl-ammonium-hydroxide. So, it does not have the same composition as the Zimmerman-Reinhardt reagent.
In terms of safety, it is crucial to know the properties, reactions, health effects, and disposal methods of any chemicals used in the lab before conducting experiments. If this information was not provided, it is advisable to kindly bring it up with your chemistry lab professor to ensure proper knowledge and precautions.
Furthermore, it is worth mentioning that H2SO4 (concentrated sulfuric acid) can be corrosive and damaging to fabrics such as jeans, as you experienced. So, it's always important to handle chemicals with care and wear appropriate protective clothing in the lab.
Zimmerman reagent, or more specifically Zimmerman-Reinhardt reagent, is typically prepared by dissolving 300 g of MnSO4.4H2O in 1 L of water. To this solution, add 400 mL of concentrated H2SO4 and 400 mL of 85% H4PO5, and then dilute the mixture to 3 L.
It is worth noting that H2SO4, which is a component of Zimmerman-Reinhardt reagent, is a strong acid and can cause damage to fabrics, like jeans, as you mentioned. It is essential to be aware of the nature of chemicals used in the lab, their hazards, and appropriate safety measures. It is recommended to discuss chemical safety with your lab professor and lab technicians to ensure a safe laboratory experience.