This standard is applicable to the food additive - disodium 5'-uridylate
2 Molecular Formula, Structural Formula and Relative Molecular Mass
2.1 Molecular formula
C9H11N2Na2O9P
2.2 Structural formula
2.3 Relative molecular mass
368.14 (as per 2007 international relative atomic mass)
3 Technical Requirements
3.1 Sensory requirements
Sensory requirements shall be in accordance with those specified in Table 1.
Table 1 Sensory Requirements
Item Requirement Inspection method
Color and lustre White to colorless Put proper amount of specimen into a clean dry white porcelain dish, observe its color and lustre as well as texture under natural light, and smell its odor
Odor With specific odor
State Crystal or crystalline powder
3.2 Physical and chemical indexes
GB 1886.82-2015 The following standards are cited：
