The most common and most likely answer to this crossword clue is the 6 letter word ETHANE which also is the latest solution we found used in Chronicle of Higher Education in 2007.
Two-carbon hydrocarbon crossword clue answers
Here's a list of possible crossword answers ranked by the most likely to least likely.
| Answer | Likelyness | Letters | 
|---|---|---|
| ETHANE | 100 % | 6 | 
Words with a meaning similar to the clue: Two-carbon hydrocarbon
These words may or may not be a possible solution to this crosswords clue.- ethane
 - acetylene
 - propyl
 - alkene
 - cyclohexane
 - alkane
 - butyl
 - ethylene
 - naphthalene
 - butanol
 - secondary
 - ether
 
Crossword Answer definitions
ETHANE noun- An aliphatic hydrocarbon, C2H6, gaseous at normal temperatures and pressures, being a constituent of natural gas.
 - The same compound, subjected to modification by replacing one or more of the hydrogen atoms with other radicals.
 
More crossword clues leading to the same solutions
Here's a few more crossword clues - all leading to the identical solution