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08982

Supelco

Sodium metabisulfite

analytical standard

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Synonym(s):
E223, Sodium disulfite, Sodium pyrosulfite
Linear Formula:
Na2S2O5
CAS Number:
Molecular Weight:
190.11
EC Number:
MDL number:
PubChem Substance ID:
E Number:
E223
NACRES:
NA.24

grade

analytical standard

Quality Level

assay

≥98.0% (iodometric, RT)

shelf life

limited shelf life, expiry date on the label

mp

>300 °C (lit.)

anion traces

chloride (Cl-): ≤50 mg/kg
thiosulfate (S2O32-): ≤500 mg/kg

cation traces

As: ≤0.5 mg/kg
Ca: ≤10 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤5 mg/kg
K: ≤200 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Zn: ≤5 mg/kg

application(s)

cleaning products
cosmetics
food and beverages
personal care

format

neat

SMILES string

[Na+].[Na+].[O-]S(=O)S([O-])(=O)=O

InChI

1S/2Na.H2O5S2/c;;1-6(2)7(3,4)5/h;;(H,1,2)(H,3,4,5)/q2*+1;/p-2

InChI key

HRZFUMHJMZEROT-UHFFFAOYSA-L

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This Item
PHR143431448161519
Sodium metabisulfite analytical standard

08982

Sodium metabisulfite

-
Sodium Metabisulfite Pharmaceutical Secondary Standard; Certified Reference Material

PHR1434

Sodium Metabisulfite

-
Sodium metabisulfite puriss. p.a., ACS reagent, reag. Ph. Eur., dry, 98-100.5%

31448

Sodium metabisulfite

Essential Grade
Sodium metabisulfite reagent grade, 97%

161519

Sodium metabisulfite

-
application(s)

cleaning products
cosmetics
food and beverages
personal care

application(s)

pharmaceutical (small molecule)

application(s)

-

application(s)

-

assay

≥98.0% (iodometric, RT)

assay

-

assay

98-100.5%

assay

97%

format

neat

format

neat

format

-

format

-

shelf life

limited shelf life, expiry date on the label

shelf life

-

shelf life

-

shelf life

-

mp

>300 °C (lit.)

mp

>300 °C (lit.)

mp

>300 °C (lit.)

mp

>300 °C (lit.)

General description

Sodium metabisulfite is primarily used as an antioxidant and antimicrobial agent in a wide variety of foods and drugs. It is also used as the main additive in the prevention of melanosis in shrimp.

Application

Sodium metabisulfite may be used as an antioxidant which when added to anesthetic formulations serves to minimize epinephrine oxidation in the quantification of epinephrine in dental anesthetic solutions by capillary electrophoresis. Sodium metabisulfite may also be used as a standard in the determination of catecholamines in human plasma by high-performance liquid chromatography with electrochemical detection.

Analysis Note

metal trace analysis: corresponds to requirements

pictograms

CorrosionExclamation mark

signalword

Danger

Hazard Classifications

Acute Tox. 4 Oral - Eye Dam. 1

supp_hazards

Storage Class

13 - Non Combustible Solids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable


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Standardization of sodium metabisulfite solution concentrations and immersion time for farmed shrimp Litopenaeus vannamei.
Andrade LTD, et al.
Ciencia Rural, 45(3), 499-504 (2015)
Quantitative assay for epinephrine in dental anesthetic solutions by capillary electrophoresis.
Kranack A and Chen DY
Analyst, 123(7), 1461-1463 (1998)
Determination of catecholamines in human plasma by high-performance liquid chromatography with electrochemical detection.
Raggi MA, et al.
Journal of Chromatography. B, Biomedical Sciences and Applications, 730(2), 201-211 (1999)
The molecular mechanisms of sodium metabisulfite on the expression of KATP and L-Ca2+ channels in rat hearts.
Zhang Q, et al.
Regulatory Toxicology and Pharmacology, 72(3), 440-446 (2015)
I U Nieves et al.
Bioresource technology, 102(13), 6959-6965 (2011-05-03)
Microaeration (injecting air into the headspace) improved the fermentation of hemicellulose hydrolysates obtained from the phosphoric acid pretreatment of sugarcane bagasse at 170°C for 10 min. In addition, with 10% slurries of phosphoric acid pretreated bagasse (180°C, 10 min), air

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