Basic characters Chemical substance ----------------------------------------------Titanium dioxide( TiO2) / Anatase( A) Product form------------------------------------------------------------------------ --------------white powder Standard classfication( ISO 591-1) ------------------------------------------------------ASTM D-476-84-1 Color Index NO.------------------------------------------------------------------------- ----white 6( 77891) CAS NO. ---------------------------------------------------------------------------- -----------13463-67-7 EINECS NO. ---------------------------------------------------------------------------- -------------236-675-5 Specific gravity ---------------------------------------------------------------------------- ------------3.8g/ cm3 Mohs hardness scale ---------------------------------------------------------------------------- --------5.0-6.0 Refraction Index ---------------------------------------------------------------------------- ------------------2.5 Quality Index TiO2 content ( ISO 591-1) ---------------------------------------------------------------------- ---------e98% Hue---------------------------------------------------------- -------- --- Not lower than the standard sample Reducing power------------------------------------------------compare with the standard samplee100% Residue on sieve ( 45¼ m) ---------------------------------------------------------------------- ------------d0.1% Oil absorption volume ---------------------------------------------------------------------------- -d25g/ 100g Water-dispersible----------------------------------------------- ------------------------------------------e60% 105° C volatile under package ---------------------------------------------------------------------------- -d0.5% PH Value of aqueous suspension ---------------------------------------------------------------------------6 .5-9.0 L* ( Note.1) ---------------------------------------------------------- ------------------------------------------e96.5