This product is in powder form and has a minimum purity of 98%. The purity is lot-specific and reported in the Certificate of Analysis. Please see the link below to review a sample or lot-specific Certificate:
https://www.sigmaaldrich.com/product/sigma/c3394#product-documentation
Please see the link below to review additional information available in the product datasheet:
https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/product/documents/325/006/c3394pis.pdf



