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Sodium sulfite
Product Details
Category
Antioxidant Cosmetic Chemicals
Molecular Formula
Na2SO3
CAS Number
7757-83-7
Purity
≥98%
Solubility
H2O: 1 M at 20 °C, clear, colorless
Quality Level
100
Storage
Store at 5°C to 30°C.
Melting Point
500 °C
Density
2.63 g/cm3
EC Number
231-821-4
Physical State
Powder or crystals
MDL number
MFCD00003503
NACRES
NA.55
pH
9.0-10.5 (25℃, 1M in H2O)
InChI Key
GEHJYWRUCIMESM-UHFFFAOYSA-L
SMILES
[Na+].[Na+].[O-]S([O-])=O
InChI
1S/2Na.H2O3S/c;;1-4(2)3/h;;(H2,1,2,3)/q2*+1;/p-2
Stability
Stable. Incompatible with strong acids. Moisture and air sensitive.
Hazard Codes
Xn
Safety Statements
24/25-36-26-22
WGK Germany
1
RTECS
WE2150000
HS Code
28321000
Water Solubility
23 g/100 mL (20 ºC)
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