D-Arginine for sausage food additives is commonly used as a food additive in meat products such as sausages to enhance their taste and flavour. We have professional qualification to produce D-Arginine for food. We also support customised production. CAS No.: 157-06-2 English name: D-arginine 1. Molecular Formula: C6H14N4O2 2. Molecular Weight: 174.20 g/mol 3. conformation: D-arginine is a chiral compound found in both D- and L-enantiomers. d-arginine is an unnatural form and is usually found in very few living organisms. 4. Solubility: D-Arginine is soluble in water and acidic solutions. Its solubility increases with temperature. 5. pKa values: D-arginine has two ionisable amino and carboxyl groups with pKa values of 2.17 and 9.04. These values indicate that the ionisation state of arginine changes under different pH conditions.