Citric acid monohydrate, a weak organic acid, occurs naturally in citrus fruits. As a natural preservative, it may be used to adjust pH and as a sequestering agent for the removal of trace metals. Available in multiple grades, as well as forms and quantities, Spectrum chemicals are also offered in bulk quantities and in custom or white label packages. Spectrum is renowned not only for the quality of our chemicals, but our commitment to service and the success of our customers.