31454
Sodium sulfite
puriss. p.a., reag. Ph. Eur., anhydrous, 98-100.0% (iodometric)
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제품정보 (DICE 배송 시 비용 별도)
Linear Formula:
Na2SO3
CAS 번호:
Molecular Weight:
126.04
NACRES:
NA.21
PubChem Substance ID:
UNSPSC Code:
12352302
EC Number:
231-821-4
MDL number:
Assay:
98-100.0% (iodometric)
Form:
solid
Quality Segment
agency
USP/NF, reag. Ph. Eur.
grade
puriss. p.a.
assay
98-100.0% (iodometric)
form
solid
impurities
≤0.001% heavy metals (as Pb), ≤0.02% thiosulfate (S2O3)
pH
9.0-10.5 (25 °C, 126 g/L)
anion traces
chloride (Cl-): ≤50 mg/kg
cation traces
As: ≤0.2 mg/kg, Ca: ≤50 mg/kg, Cu: ≤5 mg/kg, Fe: ≤5 mg/kg, Pb: ≤5 mg/kg, Se: ≤10 mg/kg, Zn: ≤10 mg/kg
SMILES string
[Na+].[Na+].[O-]S([O-])=O
InChI
1S/2Na.H2O3S/c;;1-4(2)3/h;;(H2,1,2,3)/q2*+1;/p-2
InChI key
GEHJYWRUCIMESM-UHFFFAOYSA-L
General description
Sodium sulfie is an inorganic sodium salt. Rapid-mixing method has been proposed to investigate kinetics of the reaction between oxygen and sodium sulfite.
Application
Sodium sulfite was used in the preparation of films based on wheat gluten.
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supp_hazards
저장 등급
11 - Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable