What is E621? E621, or sodium glutamate or monosodium glutamate (MSG), is the sodium salt of L-glutamic acid. L-glutamic acid is one of the most numerous non-essential amino acids in nature. Kikunae Ikeda (1864-193) isolated this compound from a seaweed in 1908 as a new taste substance. He named this taste umami (sometimes known as … Read more


What is dopamine? dopamine (molecular formula C8H11NO2) is an organic molecule with neuromodulatory properties and an ancestor of epinephrine (adrenaline) and norepinephrine (noradrenaline). It is a key transmitter in the brain’s extrapyramidal system and is crucial in the synchronisation of movement. A group of receptors (dopamine receptors) facilitates its function. Its IUPAC name is 4-(2-aminoethyl)benzene-1,2-diol. … Read more


What is colchicine? La colchicine it is an alkaloid that is found in the wild saffron (Colchicum autumnale). Its use in medicine are described for the first time in the Ebers papyrus (medical papyrus Egyptian approximately 3500 years old), as a remedy anti-inflammatory and anti-arthritis (gout attacks). Colchicine is a solid in the form of needles … Read more


What is ammonia? Ammonia is a gas of molecular formula NH3 with a molecular weight (17 g/mol). It has a density under normal conditions of 0.7714 g/L. It has a melting point (pf = -77.8 ºC) and a boiling point (bp = -33.4 ºC). It is very soluble in water (at 0 ºC one volume … Read more

Methyl orange

What is the structure of methyl orange? (C14H14N3NaO3S) Methyl orange is an organic compound with a chemical structure characterized by a central aromatic benzene ring that contains a nitrogen atom. This nitrogen atom is bonded to two methyl groups (-CH3) and an oxygen atom (-O) within the ring. What is methyl orange? In 1865, William … Read more


What is 2-methyl-2-propanol? The 2-methyl-2-propanol or terbutanol (t-BuOH) is a tertiary alcohol (the simplest of its homologous series). Its molecular formula is (CH3)3COH and molecular mass of 74.123 g-mol−1, it is also known as trimethyl carbinol. It is one of the four isomers of butanol. Its IUPAC name it is the 2-methylpropan-2-ol. 2-methyl-2-propanol, also known … Read more