Even the tenure-track professor jobs are extremely competitive and hard to get these days. It is true that there is beginning to be a glut of PhD's, which makes it hart to get a job in the chemical sciences because there are like 500-1000 people with similar resumes applying for every open position. However, my advice would be that if you find that you really enjoy research and really love science, go for it. A lot of the PhD's from the last few years are people who just got the degree because they thought it would guarantee them big $$$, but now they are stuck in post-doc positions making 35K/year and being really unhappy about it. DO NOT get a PhD just because you think it will make you a lot of cash when you get done. But, again, if you really love science and research, that will show in your body of work, so stick with it and something will work out.