Riddle consists of 7 characters and was created by Archie

I'm a controversial chemical compound. I was used in early rocket fuels, and am still found in some transport fuels even though my emissions affect ozone levels. I'm effective at killing small organisms and am commonly sold for this purpose. If ingested I cause psychoactive effects. My common name is derived from Arabic. What is it?

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101 people have viewed this riddle, there have been 65 attempts to guess the answer

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[07:44] hoover6151: Hi

[12:43] aedank.: the answer is E

[10:01] magico: Can someone Help me with this riddle A farmer had 3 horses: Buck, Stoney and Bullseye, what was the farmers name

[04:04] aedank.: What has life before death, age before youth, marriage before meeting, and children before pregnancy?

[04:05] aedank.: 10 characters

[05:30] GoaCDtTd:

[05:30] GoaCDtTd:

[05:31] GoaCDtTd:

[05:31] GoaCDtTd:

[05:31] GoaCDtTd:

[05:31] GoaCDtTd:

[05:31] GoaCDtTd:

[05:31] GoaCDtTd:

[05:31] GoaCDtTd:

[05:31] GoaCDtTd:

[11:48] Riddlewot: Cool

[03:30] gamingglowyt: Lol

[04:35] nightshade: lol

[01:42] Innocuous: I have a riddle from nightshade I'd like to approve but I do not understand the context. Please msg me so I can be enlightened!

[09:05] riddler;): y'all are pretty dumb ngl

[09:06] riddler;): todays riddle is really simple

[09:06] riddler;): todays riddle is really simple

[09:06] riddler;): (why'd my message double?)

[03:04] Innocuous: I don't know why that happened, Internet magic I presume. Check your PM about your submitted riddle.

[10:10] riddler;): k

[10:40] riddler;): Why are there so little people who chat? (x-x)

[08:04] hoover6151: Hi!

[01:34] Innocuous: Tell your friends about Riddlewot! We need more participation! Thank you in advance for spreading the word!

[07:49] hoover6151: Hi everyone

[07:50] hoover6151: I just love Riddlewot

[03:57] Riddlewot: I love riddlewot

[01:30] Innocuous: So do I, I just don't make it public XD

[10:40] hoover6151: Hmm

[04:35] Probot748: I come back after several months and I can still see my message above. Sucks there isn't more chat activity :(

[04:36] Probot748: Do wish there was a way to see what day exactly I sent my message instead of the times though, I sometimes get confused thinking these were all on the same day lol