Succinic acid min. 99.5% pure p.a. Synonyms: Butanedioic acid C4H6O4 M = 118,09 g/mol EC No. 203-740-4 CAS No. 110-15-6 Water insoluble matter: 0,005 % max Chloride: 0,0005 % max Sulphate: 0,005 % max Heavy Metal: 0,0005 % max Iron: 0,0005 % max NH4: 0,001 % max This is an international mail and delivery time can vary widely. Chemical Grade Definitions: Pure p.a - High purity analytical reagents. Suitable for laboratory and general use. Pharm/Food - Acceptable for food, drug or medicinal use. May be used for most laboratory purposes. Pure - Good quality chemicals. May be used for most laboratory purposes, educational, domestic, craft applications. Not pure enough to be offered for food. Technical - Good quality for educational, domestic, handicraft, agricultural applications. Not pure enough to be offered for food. Shipping fee: FREE (Italy, Spain, Israel, Canada and several other countries + GBP 3.00/order)