Chemistry Stack Exchange
Chemistry Stack Exchange

Questions tagged [identification]

Questions asking for identification of compounds in photos, by description, or given by a formula.

161 questions
4
votes
2 answers

Which white powder first "boils off" and then catches fire at high temperatures?

I'm a high school student doing a project where we need to identify chemicals and one of the substances had a very unique change when heated. Before heating it was an extremely fine, flour-like white powder. I placed it on a hotplate at 350 degrees…
Michael
  • 51
  • 3
4
votes
4 answers

Identify a molecule by structure

I have a drawing of a molecule, I want to know its name. Is there a software, or website that can help me identify the chemical? Im not a chemist, its been a decade since I had chemistry in college, and I cannot simply guess the name of the…
j0h
  • 167
  • 1
  • 1
  • 6
1
vote
0 answers

Whats the full name of HMOBA?

I'm doing some statisitcal research and I have come across an acronym for a chemical. I have tried googling it but it comes up with very little and I can't find the name. I only have HMOBA. Can anyone tell me what this stands for?
Beavis
  • 167
  • 2
1
vote
0 answers

Identifying an aerogel like material or similar alternatives

A few years ago I saw this ultralight weight hydrophobic material and I have been trying to discover it's identity. I doubt it was aerogel since it was brought in by a high school student, but I cant say for sure. It was a transparent whitish…
Skyler
  • 121
  • 2
0
votes
1 answer

Which compound results in the following products when mixed with AgNO3 and Chlorinated water

I'm currently working on attempting to identify a particular substance of which I know the cation is Na, however I am unsure as to what the corresponding anion is based off of these characteristics. The salt is soluble, and when drops of AgNO3 are…
Michael
  • 51
  • 3
0
votes
1 answer

CAS numbers for salts of molecules

Often times Pharma molecules come as different salts where the Cation changes. Do these have typically the same or different CAS numbers? e.g. Take Glucosamine Hydrochloride. https://en.wikipedia.org/wiki/Glucosamine It is available as as both the…
curious_cat
  • 1,638
  • 1
  • 14
  • 25
0
votes
0 answers

Yellowing/Browning from Mixing Ascorbic Acid with Calcium Carbonate and Glycerol

I slowly get some yellowing / browning upon mixing ascorbic acid with calcium carbonate and glycerol and letting it sit at room temperature over time. At first I thought it was ascorbic acid oxidating but it seems to happen even when kept in a full…
Hans
  • 1,097
  • 7
  • 18
0
votes
1 answer

Which compound should I avoid in deodorants to avoid "sticky, unwashable" feeling?

I tried some personal deodorants to avoid the smell of sweat, both in stick, no gas, gas sprays. Some can be washed away easily with body soap on the next day, some require either hair shampoo (because it is significantly harsher than body soap and…
FarO
  • 175
  • 1
  • 6
0
votes
2 answers

Molecule identification

I'd really like to know what compound this formula is and don't know if there's any software for that matter, if anyone could help me :) (With a sw suggestion or the compound identification)
Helppppp
  • 9
  • 1
-2
votes
1 answer

How to tell the difference between mineral spirits and isopropyl alcohol

They are both clear liquids, so is there a fairly simple test to determine if a container has one or the other? Maybe by mixing a sample with another chemical and looking for a color change? Thanks!
user3015682
  • 115
  • 2
-3
votes
1 answer

What molecule is this?

I have tried some only searches but I couldn't find the molecule name. Can someone identify this for me?
lonechemist123
  • 5
  • 1