Questions on the harmful effects of various substances on the human body, or biological organisms in general.

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5
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1answer
67 views

Receiving milk for working in harmful environment

I just got a job in a chemical/biological lab (post-Soviet Country). Chemists here receive milk for "harmfulness of the work" (i .e. their work involves working with all kind of substances/reactives). ...
-3
votes
1answer
85 views

Would consuming the Belousov-Zhabotinsky reaction be dangerous? [closed]

I'm wondering if the chemicals involved in the Belousov-Zhabotinsky reaction would be at all poisonous. If at all, do you know of another similar oscillating reaction that could safely be ingested? [...
0
votes
0answers
16 views

toxicity of germane, digermane, silane and disilane

How can I calculate/find the toxicity (not sure how it can be quantified) of germane, digermane, silane and disilane at a 10 ppm dilution? Thanks
0
votes
1answer
26 views

Are certain substances in furniture truly toxic?

I'm looking to purchase a sofa, but have been bombarded with all kinds of internet info about the toxicity of certain materials used to make sofas. For example, polyurathane foam is labeled as toxic--...
10
votes
1answer
235 views

Are modern newspaper inks a health risk?

It's very common in India to see newspapers being used to absorb oils from oily snacks, or simply for temporary food packaging. Some articles say that covering food items in newspaper is a health risk....
13
votes
2answers
4k views

Is poison still poisonous after its 'expiration date'?

As we all know that, Any poison is nothing but a chemical compound. And as discussed in the question: Chemicals-do-have-an-expiry-date! So, my question is: Is poison still poisonous after its '...
0
votes
2answers
57 views

Is this home-made pesticide from cigarette butts and battery acid safe?

An old friend once told me that a good way to kill bugs in my garden was to soak lots of cigarette butts in water to make a gallon of the brown liquid. Then add one ounce of battery acid and mix well. ...
3
votes
0answers
34 views

Activated carbon filter vs. Reverse osmosis filter

I have a 5 month old baby and I'm currently using an activated carbon water filter with the city tapwater supply (I live in Mumbai, India and the water can be highly polluted sometimes with all sorts ...
2
votes
1answer
51 views

Can fumes from using bleach seep through plastic packaging and glass jars

A bulging can leaked inside our kitchen cabinet. I googled how to handle it. I followed the instructions I found online. I mixed 1/4 bleach and 2 cups water. Applied it on all surfaces. Then applied ...
52
votes
5answers
10k views

How do people know HCN smells like almonds?

I was told by my chemistry teacher that $\ce{HCN}$ smells like almonds. She then went on to tell a story about how some of her students tried to play a prank on her by pouring almond extract down the ...
1
vote
1answer
37 views

Is Acetanilide toxic to fish?

I understand that acetanilide can hydrolyze to aniline and assume that will happen if that gets added to an aquarium, thus causing toxicity? I have a solution that is $3\%$ hydrogen peroxide and $0....
0
votes
0answers
34 views

possible reactions between Propylene glycol and ethanol when heated

Could you think of any toxic reactions from heating up and vaporizing Propylene glycol and ethanol together? Conditions would be standard Temprature/pressure with presence of atmospheric gases and ...
3
votes
1answer
68 views

Liquifying metal and toxic fume exposure

I just read a very entertaining Youtube comment thread on a video where TheBackyardScientist melts tin on the stove in his (enclosed) kitchen, the proceeds to cook a steak on it. According to the ...
3
votes
1answer
129 views

What happens when deodorants or perfumes expire

I know that deodorants and perfumes have alcohol as their main ingredient so I was thinking what happens when their expiry date passes? I tried to search on google but got mixed results. Some say ...
2
votes
0answers
22 views

question about food toxicity in burnt 18/10 stainless steel pot

I was cooking Christmas tamales in an 18/10 stainless steel pot and I accidentally let the water evaporate and the pot started burning. I think it was probably burning for around 5 minutes or less. ...
3
votes
0answers
60 views

What are the dangers of melting HDPE and silicone? Is it even possible?

I've searched the internet and couldn't find a specific answer. There doesn't seem to be a single recycling company that takes empty silicone tubes (also know as mastic tubes) and recycles them. As a ...
4
votes
0answers
57 views

Cat litter crystals causing toxic smell upon rubbing and pouring out of the package, safe?

I am under-educated in terms of chemistry hence the question and assumptions. Basically, for our cats, we are using what seems to be the latest scientific achievement in litter sand - the litter ...
0
votes
1answer
67 views

Heavy Metal Toxicity [closed]

Ok, so I am working on a project where I have to make a tax for manufacturers using non recyclable materials. So for this tax you multiply the weight (in kg) by how toxic the material is, this gives ...
17
votes
3answers
441 views

Why is the cyanide ion toxic?

As the title implies, what is the molecular basis of cyanide toxicity? I did some searching around at the CDC and it only states that it prevents cells from using oxygen. I also read how it could take ...
3
votes
1answer
71 views

Why does no antitoxin for botulinum type H exist yet?

Antitoxins against the botulinum toxins type A–G produced by Clostridium botulinum are known. Why does none exist against the type H botulinum toxin yet?
3
votes
1answer
326 views

Nicotine from tobacco?

I'm reading a couple of methods of extracting nicotine from tobacco. I have read that many people trying to commit suicide with nicotine. The method is simple: Boil some tobacco with water Leave it ...
0
votes
1answer
212 views

Is it harmful to mix Hydrogen Peroxide with oven cleaning spray?

My mother recently stumbled upon this mix when she was trying to remove stains from some laundry. When just the peroxide didn't work, she sprayed on some Easy Off, and the stain disappeared. Now she ...
14
votes
3answers
888 views

Does benzene's resonance structure allow it to enter DNA?

According to this link, benzene is able to insert itself into the human DNA. It isn't an authoritative source and appears to be quite biased, so I'm wondering if there's any truth to this. The ...
6
votes
2answers
2k views

Does milk drinking prevent long-term chemical poisoning?

I have heard some rumors that drinking milk helps chemical poisoning. I have done a bit research and some sources confirm that. Corrosive Poisons The best first aid is to dilute the poison ...
4
votes
1answer
164 views

How to test for heavy metal in water?

Is there a way to test if water has toxic heavy metals. Samples to both the water and people who drink it are available. Preferably, it should be done with at hold materials. I could also borrow ...
9
votes
1answer
104 views

Are the tars in cannabis considerably more dangerous than those in tobacco?

The claim that "the tars in cannabis are considerably more dangerous than those in tobacco" is made in Patricks An Introduction to Medicinal Chemistry (4th edition, p. 169). It's just a simple one ...
3
votes
1answer
45 views

Is pigment grade titanium dioxide likely to contain any impurities that are toxic?

I have a bag of titanium dioxide of pigment quality, unknown source. I am curious to know if the manufacturing process of titanium dioxide makes it likely that it contains any toxic by products / ...
6
votes
1answer
1k views

Do hard drive platters contain toxic chemicals?

So, I'm considering an Artsy Fartsy project with hard drive platters. Bring mildly aware of the world around me, I've come to the conclusion that I probably shouldn't grind up modern (or any) ...
2
votes
1answer
66 views

Is triclosan harmful?

I keep hearing about this product known as triclosan, and that it is used in sanitizing soap. And I also heard that it is harmful, and causes some sort of muscle problems. However some people aren't ...
10
votes
4answers
575 views

How much ozone is produced by ionization of air and how turn ozone into oxygen

I want to make a plasma speaker. I'm worried about the amount of ozone being produced by the ionization of the air and it possibly not being a safe amount. Even if it doesn't produce a dangerous ...
4
votes
2answers
81 views

NaClO Concentration

In my previous occupation the usage of bleach--$NaClO$--I found was quite staggering, and based off of the health issues that I and other coworkers were having, I wanted to see how close we were ...
1
vote
0answers
115 views

At what scenario will a LCD monitor that used mercury inside their lamp be harmful

Small amount of mercury and/or mercury vapors is harmful to human as it can cause damage to vital organs such as brain, heart and so on. However, there are many electronic devices such as LCD monitor ...
-2
votes
1answer
205 views

Effect of tear gas and laughing gas together

What will happen if someone uses tear gas, such as CS $(\ce{C10H5ClN2})$ and laughing gas, $\ce{N2O}$, in auditorium? Means will people start laughing and crying together? Or there will be other ...
0
votes
1answer
73 views

Could PNP (Silicon) transistor be toxic when exposed to air\light?

The story goes as follow: While I was in the electronic room I got bored and crushed a PNP transistor (Model CDIL 2N2907) using a rotating pipe jaws just like in the picture bellow. Now, it took me ...
1
vote
1answer
149 views

Can someone induce cancer in another person [closed]

Is it possible to poison someone's food on a daily basis in order to give them cancer? The thing here is that i'm worried someone at my workplace might be poisoning other people's water (each ...
23
votes
2answers
39k views

How do I extract cyanide from apple seeds?

I'm working on a crime story about cyanide poisoning from apple seeds. I just would like to have an idea of what processes and extraction techniques might be involved in getting cyanide from the seeds....
12
votes
7answers
2k views

Are there any good examples of commonly ingested molecules that contain particular toxic individual elements?

In the house on my own and an article popped up on my feed with the following statement: While the Government has insisted the chemical is safe, cadmium is recognised as a cause of lung cancer ...
8
votes
1answer
147 views

Is Acrylamide carcinogenic? Why?

Recently concerned with health effects by common chemicals existent in food I've been rather busy reading article after article; and just an interesting one came around: Acrylamide (or acrylic ...
0
votes
1answer
66 views

Aspartame poisoning: Can it modify aminoacids?

I just accidentally closed a webpage (and did not find it later) which described that somehow, Aspartame poisoning victims had faults in the vital proteins of their body due to the reaction of ...
22
votes
3answers
5k views

Why is methanol toxic?

There are two points of view for the answer of this question: The biological view, the only one that I faced during my research, states that since it can trigger perilous conditions like metabolic ...
7
votes
1answer
100 views

Is Sweetwater, Missouri, named due to water contamination with lead compounds?

The town of Sweetwater, Missouri is known for its mineral resources, particularly rich lead sulfide (galena) deposits. I am curious to find the origin of the name "Sweetwater" and if it has any ...
6
votes
1answer
121 views

Cyanide from seeds breaking down in a pond

I have a large loquat tree that overhangs a pond. The loquat seeds apparently contain cyanide of some sort, so I'm trying to find the effect the seeds have when they fall in the pond. Over time I ...
5
votes
2answers
159 views

Why is mercury much more toxic when inhaled than injected?

Following wikipedia: Cases of systemic toxicity from accidental swallowing are rare, and attempted suicide via intravenous injection does not appear to result in systemic toxicity,[1] though it is ...
1
vote
1answer
86 views

is there a lead compound that crosses the blood-brain barrier when ingested?

for example mercury oxide has neurotoxic properties but isn't organic so, it isn't soluble in lipids and so doesn't cross the blood brain barrier when ingested, however, methylmercury chloride is ...
2
votes
1answer
2k views

Why does my coffee creamer have titanium dioxide in it and is it safe?

From the manufacturers website of a coconut french vanilla coffee creamer: Ingredients: ORGANIC COCONUT MILK (WATER, ORGANIC COCONUT CREAM), DRIED CANE SYRUP, NATURAL FLAVORS, COLORED WITH ...
2
votes
1answer
186 views

How effective is sulfur in detecting mercury vapors

I've read that powdered elemental sulfur will react to the presence of mercury vapor in the air creating red mercury sulfide, and that an open container of sulfur can be used as a means to verify ...
0
votes
0answers
53 views

Is it dangerous to live near lead? [duplicate]

Several month ago, I soundproofed the door of my room with two sheets of lead. Can it be dangerous to live with them for many years? Can lead "decay" in some way and be inhaled? (and what happen when ...
2
votes
3answers
199 views

Harmless & pungent volatile liquid for use in a stage show

If for some stage play/trick we would like to create some surprising effect in which something with a pungent odor has been released, but at the same time need to ensure that thing be absolutely safe ...
3
votes
1answer
102 views

Does hydroxytyrosol have the same neurotoxicity potential as dopamine?

It has the catechol group, and it's the oxidation of the catechol group that makes dopamine produce reactive oxygen species (ROS). Hydroxytyrosol isn't that different from dopamine (the distal N ...
4
votes
4answers
280 views

What is the molecular mechanism of ammonia's toxicity?

How does it damage proteins/lipids/DNA? There seems to be surprisingly little literature on its toxicity.