The best replacement for ccl4 is ch2cl2.

The best alternatives to ccl4 are rated as following:
★★★★★  ch2cl2
★★★  cbr4
★★★  sicl4
★  cf4
★  h2o

Your alternative for ccl4 is not listed? Suggest!
Speaking about ccl4, one probably shouldn't forget about br2.

Other search terms related to ccl4 and their ratings are:
★★★★★ br2
You have in mind a companion for ccl4 and it is not yet here? Propose!



Google Trends

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ccl4
ch2cl2
cbr4