Mike msds says 35-40% mineral spirits and 20-25% Trimethyl benzzenes What's your take on this ?
I'm not Mike, you know. But...Here's my take on this: Your product in question has anywhere between 55-65% worth of petroleum distillates. And...
Trimethyl benzene is immiscible/won't dissolve in water, but will dissolve in mineral oil (such as this product's MSDS states). When used in, let's say, car care products it acts a reagent for creating a
"shine".
We used to call chemicals that performed in this manner scintillators.
For your product we might have called it a:
Scent-illator 
J/K ???
Pertinent info here, IMO.
[
Source: EPA website]
CHEMICALS IN THE ENVIRONMENT: 1,2,4-TRIMETHYLBENZENE (CAS NO. 95-63-6)
prepared by
OFFICE OF POLLUTION PREVENTION AND TOXICS
U.S. ENVIRONMENTAL PROTECTION AGENCY
___________________________________________________________________________
___________________________________________________________________________
WHAT IS 1,2,4-TRIMETHYLBENZENE, HOW IS IT USED, AND HOW MIGHT I BE EXPOSED?
1,2,4-Trimethylbenzene (also called TMB or pseudocumene) is a color-
less, flammable liquid.
It occurs naturally in coal tar and petroleum
crude oil. It is a major component (typically 40%) of a petroleum
refinery distillation fraction known as the C9 aromatic fraction (or simply
the C9 fraction). Oil refineries produce large amounts (an estimated 80
billion pounds) of the C9 fraction each year. Most of the C9 fraction is
not isolated. Refineries pump this "unrecovered" C9 fraction to some other
location where it is usually added directly to gasoline. Refineries
isolate less than one-half percent of the C9 fraction.
Companies add this
"recovered" C9 fraction to protective surface coatings and cleaners.
Oil refineries generally do not isolate 1,2,4-trimethylbenzene from
crude oil or from the C9 fraction. Currently only one refinery in the
United States "recovers" TMB. The Environmental Protection Agency
estimates that the amount of "recovered" 1,2,4-trimethylbenzene is in
excess of 10 million pounds per year. US demand for this isolated 1,2,4-
trimethylbenzene is likely to remain stable.
The largest users of isolated
1,2,4-trimethylbenzene are chemical companies that make trimellitic
anhydride. {See below for definition ~Bob}
Companies also use it to make dyes and drugs.
Exposure to 1,2,4 trimethylbenzene can occur in the workplace or in
the environment following releases to air, water, land, or groundwater.
Exposure can also occur when people use gasoline or certain paints and
cleaners.
1,2,4-Trimethylbenzene enters the body when breathed in with
contaminated air or when consumed with contaminated food or water. It can
also be absorbed through skin contact. It may remain in the body, stored
in fat, before its removal in expired air or in urine.
WHAT HAPPENS TO 1,2,4-TRIMETHYLBENZENE IN THE ENVIRONMENT?
1,2,4-Trimethylbenzene evaporates when exposed to air. It dissolves
only slightly when mixed with water. Most direct releases of 1,2,4-tri-
methylbenzene to the environment are to air. It also evaporates from water
and soil exposed to air. Once in air, it breaks down to other chemicals.
Microorganisms that live in water and in soil can also break down TMB.
Because it is a liquid that does not bind well to soil,
1,2,4-trimethyl-
benzene that makes its way into the ground can move through the ground and
enter groundwater. Plants and animals living in environments contaminated
with TMB can store small amounts of the chemical.
HOW DOES 1,2,4-TRIMETHYLBENZENE AFFECT HUMAN HEALTH AND THE ENVIRONMENT?
Effects of 1,2,4-trimethylbenzene on human health and the environment
depend on how much TMB is present and the length and frequency of exposure.
Effects also depend on the health of a person or the condition of the
environment when exposure occurs.
Breathing large amounts of 1,2,4-trimethylbenzene for short periods of
time adversely affects the human nervous system. Effects range from
headaches to fatigue and drowsiness. TMB vapor irritates the nose and the
throat. Prolonged contact with liquid TMB irritates the skin. These
effects are not likely to occur at levels of 1,2,4-trimethylbenzene that
are normally found in the environment.
Human health effects associated with breathing or otherwise consuming
smaller amounts of 1,2,4-trimethylbenzene are not known. The petroleum
industry has conducted several studies on the C9 fraction in response to an
EPA request for testing.
These studies show that repeat exposure to this
mixture of chemicals in air adversely affects the reproductive system and
the developing fetus of animals. EPA believes that adverse effects
associated with exposure to the C9 fraction are similar to those expected
to occur as a result of exposure to individual chemicals, like 1,2,4-tri-
methylbenzene, that make up this mixture.
1,2,4-Trimethylbenzene by itself is not likely to cause environmental
harm at levels normally found in the environment.
TMB can contribute to
the formation of photochemical smog when it reacts with other volatile
organic carbon substance in air.
WHAT EPA PROGRAM OFFICES REGULATE 1,2,4-TRIMETHYLBENZENE, AND UNDER WHAT
LAWS IS IT REGULATED?
__________________________________________________________________________
EPA OFFICE LAW PHONE NUMBER
__________________________________________________________________________
Pollution Prevention Toxic Substances Control Act (202) 554-1404
& Toxics Emergency Planning and Community
Right-to-Know Act (EPCRA)
Regulations (Sec. 313) (800) 424-9346
Toxics Release Inventory data (202) 260-1531
Air Clean Air Act (919) 541-0888
Solid Waste & EPCRA (Sec. 311/312) (800) 424-9346
Emergency Response
A technical support document can be requested from the TSCA Assistance
Information Service, (202) 554-1404.
Note: Trimellitic anhydride (Source OSHA's web site)
"Trimellitic anhydride is used as a curing agent for epoxy and other resins. It is also used in vinyl chloride plasticizers, various polymers and polyesters, agricultural chemicals, dyes and pigments, paints and coatings, pharmaceuticals, surface active agents, numerous modifiers and intermediates, and specialty chemicals."
Bob
