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Colors of ChemistryYellow-dyed silk robes were so precious to ancient Chinese emperors that they permitted no one else to wear them. These emperors also limited silk-wearing to the nobility, assigning certain colors in accordance with their rank. Confucius attributed the Chinese empress Xi Ling-Shi with discovering silk weaving approximately 2640 BCE. For the next 2,000 years, silk farming and dyeing remained a guarded secret in China.
Common ChemistryTM is a resource providing information on approximately 7800 chemical substances of general and widespread interest. It is helpful to non-chemists who know a chemical name or CAS Registry Number of a common everyday chemical and want to pair both pieces of information. Read the news release.
