paint ingredients

Today, about halfway through painting a small room in the house, I began to feel off.

I was wearing a proper paint mask, gloves and goggles, but after a couple of hours painting the room (with 2 breaks in between) I began to notice the smell becoming more intense through my mask. I then stepped out for another quick break outside in the fresh air and returned, feeling better and ready to try and finish it off as I was about 60% done. After about 10 minutes in the room however I noticed an almost physical sensation in my head, my thinking then started becoming slightly blurred and I noticed the skin on my arms became kind of warm and sweaty (hot flush?). I just wanted to get this last bit with the roller so I ducked down to move the drop sheet but then a heavy-headed sensation hit me harder and my thinking and decision making was slowed considerably - so I figured I'd better get out of the room asap.

After doing a couple of dr google recommends for paint inhalation (a shower and walk in the fresh air) feeling better I decided to look into what paint might be made of..

We were painting with Dulux Ceiling White Plus from Bunnings
Unfortunately there was no MSDS (material safety data sheet) on the Bunnings site - but I just searched the product code (615D0118):

One of the first thing to look at on an MSDS is composition. But you can see in the pink box I've outlined below, no ingredients are given (probably because it's propriety information/trade secret). However apparently whatever it is has been tested and found to be 'non-hazardous'.: image (1).png

This non-hazardous marker is the label applied to most of the following relevant toxicological endpoints i.e doesn't cause birth defects, cancer, reproductive abnormalities or long term toxic effects, respectively, based presumably on some scientific study. Also they likely haven't done (or looked at) any ecological testing given the 'no information available' clause (pink): image (2).png

Under section 11 (toxicological information) is key since we have our first listed potential negative effects (red box). Specifically the one that interests me is vapors causing 'irritation to mucous membranes, respiratory tract, headache and nausea'. The reason being because in the very next section it states that acute inhalation is 'non-hazardous'.

So correct me if I'm wrong but we are dealing with substances that can adversely affect the respiratory and nervous systems upon inhalation while remaining non-hazardous to inhale acutely..?
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So I don't have time right now to do a research project on paint but in general I did find it hard to find any ingredients explicit listed paint companies actually use to make paint. Some of the common ones I could find from wikpedia like sites seem to include toluene, benzene, ethyl acetate, methylene chloride, polyvinyl alcohol + many other aromatic solvents and petrochemical derivatives as well as formaldehyde and acetone (1,2). These are mostly lumped under the term Volatile Organic Compounds (VOCs) many of which are well-known IARC Group 1 carcinogens (3)

Now I know correlation doesn't equate to cause, but quite a few studies come up showing a pretty strong link between solvents (including paint) and some common neurological disorders potentially explaining some of the mental effects I'd had. Here's a quick snapshot of a few I found FYI:
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(4)
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(5)
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(6)