What is methylene?

Some articles on methylene:

Methylenes
... Methylene is a chemical species in which a carbon atom is bonded to two hydrogen atoms ... dichloromethane (also known as methylene chloride) ... the CH2 molecule A carbene known as methylene ...
History Of Malaria - 19th Century - Microscopic Examination of Stained Blood Films
... In 1876 methylene blue was synthesized by Heinrich Caro at BASF, a German chemical company ... a relatively pure dye, obtained by decomposition of methylene blue which he termed methylene azure ... developed techniques using a mixture of Eosin Y and modified methylene blue (methylene azure) that produced a surprising hue unattributable to either staining ...
Bathtub Refinishing - Hazards
... identified at least 14 worker deaths since 2000 related to the usage of methylene chloride for bathtub refinishing ... Products containing high percentages of methylene chloride are used as stripping agents in the process, to remove the old coating on the bathtubs ... In an unventilated setting, overexposure to methylene chloride vapors can affect brain function and result in death in the short term, with possible carcinogenic effects in the long term ...
Methylene Blue
... Methylene blue (CI 52015) is a heterocyclic aromatic chemical compound with the molecular formula C16H18N3SCl ... form has 3 molecules of water per molecule of methylene blue ... Methylene blue should not be confused with methyl blue, another histology stain, new methylene blue, nor with the methyl violets often used as pH indicators ...
Malvalic Acid - History
... He suggested that methylene addition to oleic acid gave rise to dihydrosterculic acid, which was desaturated to sterculic acid, and that 8-heptadecenoic acid was ... that in Hibiscus seedling the chains of sterculic and malvalic acids, but not the ring methylene carbon, were derived from acetate ... Hopper and Law worked with the Hibiscus seedlings, they demonstrated that the ring methylene carbon of both cyclopropane and cyclopropene acids was derived ...