Potassium bromate and sulfur

[theliberator1]

slow mo sounds like the old Commodore64 speakers.

[SvenOkonomi]

Potassium ll do that. Quite a potent combination with sulfur though.

[wmmajt]

Sounds like Bowsers Castle from mario bros.

[vietmaster3945]

Like MAGIC!!!!

[ApexAurajin]

If you look carefully, just after the flash there is a mushroom cloud.

[TctyaDDKhang]

Holy smoke, it looks like a bright white nuke :))

[mewrox99]

What ratio did you use and was that commercial bromate or was it made electrochemically

[evansp12]

It was 1:1. It was a commercial product.

[mewrox99]

What sort of gloves do you wear and are you a home chemist

[evansp12]

I wear either nitrile or polythene gloves. Yes, I am a home chemist.

[Ormaaj]

Is that reddish smoke right before it goes off bromine gas?

[evansp12]

Yes, it is.

[echooplex]

what is the chemical reaction for this mixture?

[mewrox99]

@echooplex

When the sulfuric acid is added to the potassium bromate bromic acid is formed.

This is a really strong oxidant. A small amount also decomposes to bromine as seen.

This bromic acid oxidizes the sulfur to sulfur dioxide.

KBrO3 + H2SO4 = HBrO3 + KHSO4

2 HBrO3 + 3 S = 3 SO2 + 2 HBr

Bromine formation.

4 HBrO3 = 2 H2O + 2 Br2 + 5 O2

[chiptopher1986]

nice I can make a flash bomb now

[dragonridley]

Just before the explosion, is that a bit of bromine vapor?

[evansp12]

Yes.

[kmncztms]

Potassium bromate? what is the chemical sign of it? :D

[evansp12]

It's KBrO3.

[Nukedeuce]

like flash powder :D

[acornhead50]

awesome! thats probably what ninjas used for flashbangs and disappearing!

*throws a pack of potassium bromate + sulfur to floor and disappears*

[freakin1random]

lolol. just a pinch right in here.... BAM!!! whats that cooking show dude's name lol

[thorandtat]

@freakin1random Emerald i think

[Eman9405]

its so amazing! this world has so many suprises!

[PyroChemicals]

Very nice. Your ratios appear to be relatively well optimized. Other videos I have seen to not obtain this speed - have you attempted to produce other metallic bromates to achieve various colors?

[evansp12]

No, not yet. I'm thinking of experimenting with metallic bromates sometime in the future, after assessing the risks as bromates are more unstable than chlorites.

Thanks for your comment, sorry for the delay in replying!

[PyroChemicals]

One very interesting composition to see would be barium bromate and a reactive carboxylate of barium, perhaps barium sorbate or barium benzoate. Though, I'm not sure what extent you prefer to take your experiments to. I am interested in pyrotechnic development, so it is important to me to try out new compositions and compounds with a goal in mind - in this case, a green burning "star core", or a green report composition.

[ther0flcopter]

nice is that a blue flame? or is it just the light in the vid?

[evansp12]

Some of the blue color (like the smoke at the end of the reaction) is due to my camera setting, but the mixture normally burns with purple blue flame.

[antiswattt]

its pretty fast, but still so slow? its weird.. (: and do you know where i can get some potassium bromate? or can i make it myself? im soon (when im gonna get my lazy ass on my bike) going to buy some sulfur.. and cant i ignite with.. fire? or heat?

[potassiumperchlorate]

That stuff is just sick, it reacts even stronger than potassium chlorate. Can you produce this stuff by elektrolysing a solution of potassium bromide?

[evansp12]

I believe it can be made from electrolysis of potassium bromide solution.

[andrucks]

Thats sexy. now I can disipler in a pof of smoke juste like a ninja

[b43e65f77]

at first,it release bromine steam

[KDADOG]

FUCKING AWESOME!

[Bernler75]

that's a nice flash powder^^

[jamie007pwnz]

its called "chemimstry" and making compunds

(although Potassium bromate already is)

[TagFastOrDieTryin]

i gota get me some of that shit:P

[Basco36]

nice!