Sodium hydroxide (1310-73-2)
1、 Basic Information
1. Chemical name: Food additive liquid alkali
2. Chinese alias: Food additive liquid alkali; Liquid alkali; Sodium hydroxide
3. English name: Sodium hydroxide
4. Molecular formula: NaOH
5. Molecular weight: 39.99711
6. CAS number: 1310-73-2
7. EINECS number: 215-185-5
8. Appearance: Clear or slightly cloudy, colorless or with a pinkish color
2、 Technical parameters
Inspection and testing items
unit
Technical Requirements
one
Sensory requirements
color
——
Clear or slightly cloudy, colorless or pinkish in color
status
——
liquid
two
Total alkalinity (calculated as NaOH), w/%
——
98.0～103.5A
three
Sodium carbonate (Na2CO3), w/%
——
≤2.0
four
Arsenic (As)
mg/kg
≤3.0
five
Heavy metals (calculated as Pb)
mg/kg
≤5
six
Insoluble substances and organic impurities
——
through experimentation
seven
Mercury (Hg)
mg/kg
≤0.1
Convert A based on the labeled value of sodium hydroxide
(The above parameters are reference values, please refer to the factory inspection report for details.)
3、 Packaging specifications
1. Bulk tanker truck