Citric acid anhydrous

additional informations

Citric acid is a weak organic tricarboxylic acid having the chemical formula C6H8O7. It occurs naturally in citrus fruits. In biochemistry, it is an intermediate in the citric acid cycle, which occurs in the metabolism of all aerobic organisms.

More than a million tons of citric acid is manufactured every year. It is used widely as an acidifier, as a flavoring and chelating agent.

This product is also often used with acid dyes to optimize the adherence on to the fibers an d permanence.

identification

• CAS: 77-92-9
• molecular formula : C₆H₈O₇

product details

• molecular mass : 192.12
• Appearance : crystalline white solid
• Odor : odorless
• Density : 1.665 g/cm3 (anhydrous)
  1.542 g/cm3 (18 °C, monohydrate)
• Melting point: 156 °C (313 °F; 429 K)
• Boiling point: 310 °C (590 °F; 583 K) decomposes from 175 °C
• Solubility in water: 117.43 g/100 mL (10 °C) 147.76 g/100 mL (20 °C)
  180.89 g/100 mL (30 °C)
  220.19 g/100 mL (40 °C)
  382.48 g/100 mL (80 °C)
  547.79 g/100 mL (100 °C)
• Solubility: soluble in alcohol, ether, ethyl acetate
• Insoluble in: C6H6, CHCl3, CS2, toluene
• Refractive index: 1.493 - 1.509 (20 °C)
• Viscosity: 6.5 cP (50% aq. sol.)
• Crystal structure: Monoclinic

safety data sheets

All the information above is, to the best of our knowledge, considered to be exact and does not constitute a product specification or warranty. Materials should always be thoroughly tested prior to selecting them for definitive use.