... to manufacture acetamide, acetyl acetate, etc. methylheptenone and flavors and fragrances, paints, pharmaceuticals, advanced ink, fire and glue cotton, nitrification fiber, leather, dye ... extract, tobacco materials, oil drilling, metal flotation, descaling and so on.Physical and Chemical PropertiesQuality StandardsTEST ITEMSTop gradeFirst GradeQualified productsTEST VALUEAppearance@25 ...