Methanal. Computer illustration of a molecule of methanal,or formaldehyde (formula HCHO). Atoms are depicted as spheres linked by rods and are colour-coded: carbon (yellow),hydrogen (white) and oxygen (red). Methanal is a colourless gas with a pungent odour. It is soluble in water up to 52%. A commercial solution,formalin,contains about 37% methanal,and is used for sterilisation and the preservation of biological specimens. Methanal is also used in the manufacture of urea,phenol,and poly-formaldehyde resins | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / PROF. K.SEDDON & DR. T.EVANS, QUEEN'S UNIVERSITY BELFAST |
Taille de l’image : | 4760 px × 3749 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |