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Solvent info needed Options
 
BioBoostedSpirit
#1 Posted : 9/7/2016 11:45:11 AM

ओं मणिपद्मे हूं


Posts: 187
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Location: Symban
Greetings everybody SmileLove

First of all i hope everyone is in love, healthy, with tons of positivity. Bless you all and let the force be with you.
Second , thanks for taking your time and reading this!!!

So, for about a year now i looking for different types of solvents on local market. Some of them is hard to find, some of them not. My main mission was to find some toluene and xylene, so i can try and extract some San Pedro. Also im a little curious about making some jungle spice.

And today voila, they came !! I found (**nowhere else**) at one local chemical company some Xylene and some Toluene. Pretty cheap i must say.

Too bad there is one BUT for me. Im total noob and never worked with those solvents and i need some help.

There is two things that bothers me.

1. On Toluene it sais : TBA Solvent : 90-95% toluene, 5-10% butyl acetate. So, what is this thing butyl acetate? I used wiki , ok, got some info. But can i use this for extraction. Or should i somehow remove that from the solvent?

2.On Xylene it sais : Contains : Xylene , Mixture of isomers. I checked about what are those isomers are, and found out that Xylene has like 4 isomers (sorry if i wrong) , that makes it Xylene solvent. So im guessing here ,is it safe to use this one?

Could anyone please clarify to me those queries?

A BIG thankx in advance buds Love

Best regards









Imperare sibi maximum imperium est.
“To rule yourself is the ultimate power."
Seneca
 

Good quality Syrian rue (Peganum harmala) for an incredible price!
 
1ce
#2 Posted : 9/7/2016 12:57:01 PM

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toluene/xylene are similar compounds.

toluene is methyl benzene, wheras xylene is dimethyl benzene. The isomers: ortho, meta, and paradimethyl benzene designate the varying positions of the 2nd methyl group on the benzene ring. All this aside, they're similar compounds.

I'm unsure of the [resence of butyle acetate but it shouldnt be harmful. I think I may actually be vaping some now in my ejuice. (it's banana). Tbh, I'd go with the xylene since you know it's not got impurities in it. Also IIRC methylbenzene is known to remove myelin sheaths from axons. Not that dimethyl benzene is safer, but it does sound like a better alternative. I think most hardware stores carry it as a paint remover/vinyl cleaner. Shouldnt be hard to find. There's always ethyl acetate, since you have a chemical supply nearby.
 
1ce
#3 Posted : 9/7/2016 12:58:46 PM

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^ethyl acetate has some solubility in water. Obvious choice would he to not use a ton of water. You could acidify the water, boil it down to a reasonable level, freebase and pull with EtAc.
 
Studio1one
#4 Posted : 9/7/2016 1:11:15 PM

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just be careful where you evaporate these 2. They are very nasty chems and should be evaporated somewhere with exceptionally good ventilation.
Quote:

Darkness cannot banish darkness, only light can do that

Hate cannot banish hate, only love can do that.
 
downwardsfromzero
#5 Posted : 9/7/2016 11:07:36 PM

Boundary condition

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Don't evaporate xylene if you can help it - it absolutely stinks and takes ages. Back salt instead.

Butyl acetate is soluble in water to the extent of 0.68g/100mL which isn't very much. We don't really know how its presence in the TBA solvent would affect your planned extraction (it might be absolutely fine). The boiling points of toluene and butyl acetate are separated by 15°C so it would require very careful fractional distillation to remove it from the toluene. I suspect you won't be attempting that anytime soon Smile

https://en.wikipedia.org/wiki/Toluene_toxicity



Surely making tea would surely be much simpler, and less toxic?




“There is a way of manipulating matter and energy so as to produce what modern scientists call 'a field of force'. The field acts on the observer and puts him in a privileged position vis-à-vis the universe. From this position he has access to the realities which are ordinarily hidden from us by time and space, matter and energy. This is what we call the Great Work."
― Jacques Bergier, quoting Fulcanelli
 
BioBoostedSpirit
#6 Posted : 9/8/2016 10:34:49 AM

ओं मणिपद्मे हूं


Posts: 187
Joined: 28-Feb-2015
Last visit: 08-Jun-2024
Location: Symban
Thank you so much for clearing my doubts guys !!!

Great info and very helpful !!!Thumbs up

Best regards

Imperare sibi maximum imperium est.
“To rule yourself is the ultimate power."
Seneca
 
acacian
#7 Posted : 9/8/2016 10:51:06 AM

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the two are very much the same as far as what they pull..they both take much the same amount of time to evaporate.. and they are both highly toxic to inhale. my experience has been that toluene seems to emulsify more often even with very 'clean' liquids (eq with dilute acid washes)which is a slightly annoying difference as far as functionality...but i still find myself being more partial to it than xylene cos of the smell... but if you don't have a pure source then go the xylene
 
downwardsfromzero
#8 Posted : 9/8/2016 3:02:26 PM

Boundary condition

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Toluene and xylene may be a bit toxic, but they most definitely are not 'Highly toxic'. They would not be used as general solvents if they were that toxic. Hydrogen cyanide and methyl isocyanate are highly toxic, one whiff is likely to cause serious poisoning or even death. This is clearly not the case for xylene or toluene.

Quote:
Xylene is flammable but of modest acute toxicity, with LD50 ranges from 200 to 5000 mg/kg for animals.


Sorry to be pedantic but I feel the term 'highly toxic' should be reserved for stuff that actually is highly toxic. Degrees of toxicity and the associated terminology are clearly defined in occupation health and transport of dangerous goods legislation as variously found, e.g. the United Nations Recommendations on the Transport of Dangerous Goods.

Quote:
2.6.2.2 Assignment of packing groups

2.6.2.2.1 Substances of Division 6.1, including pesticides, are allocated among the three packing groups according to their degree of toxic hazard in transport as follows:

(a) Packing group I: Substances and preparations presenting a very severe toxicity risk;

(b) Packing group II: Substances and preparations presenting a serious toxicity risk;

(c) Packing group III: Substances and preparations presenting a relatively low toxicity risk.

2.6.2.2.2 In making this grouping, account shall be taken of human experience in instances of accidental poisoning and of special properties possessed by any individual substance, such as liquid state, high volatility, any special likelihood of penetration, and special biological effects.

2.6.2.2.3 In the absence of human experience the grouping shall be based on data obtained from animal experiments. Three possible routes of administration shall be examined. These routes are exposure through:

(a) Oral ingestion;

(b) Dermal contact; and

(c) Inhalation of dusts, mists, or vapours.

2.6.2.2.3.1 Appropriate animal tests for the various routes of exposure are described in 2.6.2.1. When a substance exhibits a different order of toxicity by two or more of these routes of administration, the highest degree of danger indicated by the tests shall be assigned.

2.6.2.2.4 The criteria to be applied for grouping a substance according to the toxicity it exhibits by all three routes of administration are presented in the following paragraphs.

2.6.2.2.4.1 The grouping criteria for the oral and dermal routes as well as for inhalation of dusts and mists are as shown in the following table.

GROUPING CRITERIA FOR ADMINISTRATION THROUGH
ORAL INGESTION, DERMAL CONTACT AND INHALATION OF DUSTS AND MISTS


[table]
[tr]
[th]Packing group[/th]
[th]Oral toxicity[/th]
[th]Dermal toxicity[/th]
[th]Inhalation toxicity
by dusts and mists[/th]
[/tr]
[tr]
[td] [/td]
[td]LD 50 (mg/kg)[/td]
[td]LD 50 (mg/kg)[/td]
[td]LC 50 (mg/l)[/td]
[/tr]
[tr]
[td]I[/td]
[td]≤ 5.0[/td]
[td]≤ 50[/td]
[td]≤ 0.2[/td]
[/tr]
[tr]
[td]II[/td]
[td]> 5.0 and ≤ 50[/td]
[td]> 50 and ≤ 200[/td]
[td]> 0.2 and ≤ 2.0[/td]
[/tr]
[tr]
[td]IIIa[/td]
[td]> 50 and ≤ 300[/td]
[td]> 200 and ≤ 1000[/td]
[td]> 2.0 and ≤ 4.0[/td]
[/table]
a Tear gas substances shall be included in packing group II even if their toxicity data correspond to packing group III values.


Dammit, the BBcode for tables doesn't seem to work here!




“There is a way of manipulating matter and energy so as to produce what modern scientists call 'a field of force'. The field acts on the observer and puts him in a privileged position vis-à-vis the universe. From this position he has access to the realities which are ordinarily hidden from us by time and space, matter and energy. This is what we call the Great Work."
― Jacques Bergier, quoting Fulcanelli
 
 
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