Puffer fish crystals of 1-nitronaphthalene

1yr ⋅ ⋅

ADVERTISEMENT

Ammonium Tetrathiomolybdate is an inorganic compound formed by passing Hydrogen Sulfide gas through Ammonium Molybdate. The compound even though looks so sparkly and ruby red was really a pain to make as I had to pass a lot of H2S gas.Prep video link in comments. do watch and give your thoughts

4yr ⋅

⋅

Some Copper II Sulfate pentahydrate that I recrystallised from the fertilizer grade copper sulfate. I'm planning to do some videos on copper chemistry, Do you guys know of some interesting colorful compounds using copper sulfate please let me know :)

3yr ⋅

⋅

Sulfanilic acid crystals. It was made by the sulfonation of aniline using concentrated 98% sulfuric acid , for 5hours at 110-120°C with stirring ( procedure adapted from vogels textbook of organic chem. I've uploaded a video on this synthesis, link in comments section

3yr ⋅

⋅

Made some indigo dye using the Baeyer–Drewson method starting from 2-nitrobenzaldehyde. The solid indigo is insoluble in water so it was made into soluble leuco form by reducing it. This procedure is called Vat dyeing .The prep method and vat dyeing demo video link in comments

3yr ⋅

⋅

The crystals of urotropine/hexamine. It's synthesised with ammonia and formaldehyde. it was previously used as a urrinary antiseptic. Its nowadays used as burner fuel capsules for camping stuff. It's flammable compound which burns without smoke or ash. I have prepared it in my lab. link in comments

4yr ⋅

⋅

This is hexaammine nickel II chloride. This is a complex of ammonia formed with nickel II Chloride which has a beautiful purple color .It's really unstable and on sitting for few days open ,it degrades back to nickel II Chloride as ammonia evaporates. For full video on synthesis check comments

4yr ⋅

⋅

When we compare kitchen and chemistry lab

4yr ⋅

⋅

This scarlet red dye is an azo dye . It is known as 2-naphthol aniline (aniline yellow) I wonder where is yellow in it.Preparation video link in comments.

4yr ⋅

⋅

Tetrabutylammonium hexamolybdate VI is a polyoxoanion compound of molybdenum. It was prepared from sodium molybdate and tetrabutylammonium bromide. The link to the preparation is given in comments

2yr ⋅

⋅

The artificial flavour of cinnamon, synthesised using the aldol condensation reaction between acetaldehyde and benzaldehyde. Link to synthesis video in comments

1yr ⋅

⋅

Copper Ferrocyanide. The chocolate brown colored compound. This is used as a test in qualitative analysis for copper ions. Copper II ions react with potassium Ferrocyanide to give the beautiful chocolate brown precipitate. I collected the precipitate for painting.

4yr ⋅

⋅

Crystals of bismuth Nitrate made by dissolving bismuth metal granules in concentrated 65% Nitric acid.

1yr ⋅

⋅

Thermal decomposition of ammonium dichromate.One of the most interesting of all chemical reactions.Everyone might have done this one. Apart from this,it has many other major reactions like catalytic oxidation of ammonia,action of oxidising and reducing agents on it.Ive made a video on it. link below

4yr ⋅

⋅

Sodium Cobaltinitrite. It's a very important laboratory reagent for the identification of potassium ions in lab. This is what happens when I add sodium Cobaltinitrite into a potassium salt.

4yr ⋅

⋅

Some methyl salicylate I made using the fischer esterification method with methanol and salicylic acid. The compound here is very concentrated and even a drop in a litre of water would give you a very pleasant aroma of wintergreen. The synthesis video link is in the description

3yr ⋅

⋅

I got an interesting glassware today for my lab. Its a pear shaped flask. I know this flask is used in small scale distillations to recover more amount of liquid due to its shape. If you guys know of other uses of the flask, do reply below. Anyhow I will use this in my new videos as it looks nice!!

3yr ⋅

⋅

Recrystallizing 2,4 Dinitrophenylhydrazine from 1-butanol.I made them from Chlorobenzene. I made 2,4 Dinitrochlorobenzene and then reacted with hydrazine hydrate solution which gave these .link below

2yr ⋅

⋅

Artificial flavour of cinnamon, cinnamaldehyde synthesised using the aldol condensation reaction between acetaldehyde and benzaldehyde. Synthesis video link in comments

1yr ⋅

⋅

Purified crystals of Hippuric Acid . It was prepared very easily by benzoylation of glycine with benzoyl chloride. The crude compound obtained was recrystallised from hot water. (Hippuric acid is very well soluble in hot water but sparingly in cold . prep video link in comments. do give your views.

3yr ⋅

⋅

How's this beautiful emerald green crystals. It is the potassium trioxalato Ferrate III I just created. Soon I will be uploading the video about its synthesis

4yr ⋅

⋅

ADVERTISEMENT

p-bromoacetanilide after 1 recrystallisation. The compound was prepared by using a novel brominating agent , much more greener way by avoiding the toxicity of using liquid bromine directly. I used a mixture of Ceric ammonium nitrate and Potassium bromide. The prep link is in the comments section

3yr ⋅

⋅

p-benzoquinone (1,4 benzoquinone) was made by oxidizing hydroquinone. I used potassium bromate for oxidation. It's interesting to see the colour change in action. White fluffy hydroquinone getting transformed into yellow crystals. The video link is given in comments.

3yr ⋅

⋅

Sulfanilic acid crystals. It was made by the sulfonation of aniline using concentrated 98% sulfuric acid , for 5hours at 110-120°C with stirring ( procedure adapted from vogels textbook of organic chem. I've uploaded a video on this synthesis, link in comments section

3yr ⋅

⋅

Thymolphthalein is an organic compound, a phthalein dye made by the classic phthalien dye synthesis method using phthalic anhydride and thymol .The synthesis was very similar to phenolphthalein. This indicator can be used to identify very strong acids ph<0. The prep video link in comments

3yr ⋅

⋅

crystals of Benzil. Benzil is a light yellow colored crystalline solid. It is formed by the oxidation of Benzoin. I used concentrated 67% Nitric acid as the oxidising agent.I have recorded the video on synthesis of benzil. I have the link to the video in comments section. Do give your review.

3yr ⋅

⋅

The picture given is recrystallised Dibenzalacetone.It has a yellow colour.It was used previously in sunscreens because it has the ability to absorb UV light. It was prepared by the Claisen-Schmidt condensation reaction between benzaldehyde and acetone. preparation link given in comment section

4yr ⋅

⋅

Ferrous Sulfate (Iron II Sulfate) was made from some scrap iron pieces and battery acid. The solution formed was boiled down to about less than half and was let to cool in a fridge overnight.

4yr ⋅

⋅

Lead acetate crystals . Also called lead sugar is actually an extremely toxic water soluble lead salt. It was made by the direct reaction of lead metal with glacial acetic acid in the presence of hydrogen peroxide to speed up the reaction. Prep video link in comments. Do watch and give your views

3yr ⋅

⋅

Crystals of chrome alum formed from potassium dichromate ethanol and sulfuric acid. It's a redox reaction where chromium from +6 gets reduced to +3 and ethanol gets oxidized to carboxylic acid. I've done a detailed prep video long back. Link in the comments section :)

3yr ⋅

⋅

I was working with Extraction of Silver and synthesis of Silver Nitrate.This is the crude product I made and as soon as I put the crystals over the tissue paper to dry,the paper soaked the liquid and it turned brown in a matter of seconds.That's the speed of oxidation of silver nitrate.link in reply

4yr ⋅

⋅

Isopropyl Nitrite ,is an alkyl nitrite made by reaction of nitrous acid with isopropanol.Nitrous acid was inturn produced by reaction of sodium nitrite with conc. acid. The compound then seperates as yellow oily liquid. prep video link in comments

3yr ⋅

⋅

This yellow beautiful crystals you see is the recrystallization of picric acid. I made picric acid from phenol by sulfonation followed by nitration (2,4,6trinitrophenol). its an explosive when dry . so avoid drying the compound. Ive included a simple synthesis video of picric acid. link given below.

4yr ⋅

⋅

The orange II dye (Acid orange 7) is an azo dye formed by the coupling of Diazotised sulfanilic acid with 2-naphthol. PS this is not methyl orange indicator. This dye is widely used to dye textile.(some even use to dye hair). Azo dyes always have this bright colours. preparation video link below

4yr ⋅

⋅

ADVERTISEMENT

This yellow beautiful crystals you see is the recrystallization of picric acid. I made picric acid from phenol by sulfonation followed by nitration (2,4,6trinitrophenol). its an explosive when dry . so avoid drying the compound. Ive included a simple synthesis video of picric acid. link given below.

4yr ⋅

⋅

Copper Acetate can very easily be synthesized by Dissolving Copper metal in acetic acid in the presence hydrogen peroxide. Otherwise it would be very slow. This experiment can easily be demonstrated in home with some copper metal with household vinegar and some medical peroxide. Video link in below

4yr ⋅

⋅

crystals of Benzil. Benzil is a light yellow colored crystalline solid. It is formed by the oxidation of Benzoin. I used concentrated 67% Nitric acid as the oxidising agent.I have recorded the video on synthesis of benzil. I have the link to the video in comments section. Do give your review.

3yr ⋅

⋅

When a combination of ferrous and chromium sulfate was formed. This was made by reaction of stainless steel with Sulfuric acid. This combination of light green ferrous sulfate and dark green chromium sulfate give this combination color to it. preparation video and its comparison ,link given below .

4yr ⋅

⋅

I was able to make almost pure rose colored crystals of Manganese Chloride from the manganese dioxide that I obtained from batteries and HCl. The resultant compound will be 100% contaminated with iron and others. I purified using acetone.Iron salts better soluble in it than water. Prep link in comme

4yr ⋅

⋅

Attempt to synthesise aniline from Nitrobenzene was a success. Even though its a noobie classical synthesis , How would you expect an organic synthesis go about without hotplate stirrer ,steam distillation etc etc. Just look at that gorgeous aniline. The prep was messy but result was beautiful.

3yr ⋅

⋅

Sodium Perborate : NaBO4.nH2O is white granular compound formed by reaction of Sodium Tetraborate with Sodium hydroxide and Hydrogen peroxude. Sodium tetraborate available as borax, sodium hydroxide in available as lye and hydrogen peroxide from medical supplies.Prep link is given in the comment.

4yr ⋅

⋅

I added some water to freshly crystallised mercuric nitrate made by mixing elemental mercury with nitric acid and it turned out to this yellow thing that did not dissolve in water. Do anyone know what happened here ?

4yr ⋅

⋅