Glycin
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| Glycin | |
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| Chemical name | 2-(4-hydroxyphenyl)aminoacetic acid |
| Other names | N-(4-hydroxyphenyl)glycine p-hydroxyanilinoacetic acid photoglycine |
| Chemical formula | C8H9NO3 |
| Molecular mass | 167.16 g/mol |
| CAS number | [122-87-2] |
| Melting point | 248 °C |
| SMILES | OC(CNC1=CC=C(O)C=C1)=O |
| Disclaimer and references | |
Glycin, or N-(4-hydroxyphenyl)glycine, is a derivative of the amino acid glycine. It is a chemical used in photography as a component in developer solutions, often as a solution in 3% sodium sulfite. It is typically characterized as thin plates of white powder. It is sparingly soluble in water and most organic solvents; it is well soluble in alkalies and acids.
In photography, glycin is rarely used today because it is an inferior developing agent compared to its decarboxylated version (Metol, N-methyl-p-aminophenol hemisulfate).
[edit] References
- Photographic Chemical Descriptions
- Merck Index, 11th Edition, 4771.
[edit] External links
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