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71932

Sigma-Aldrich

Sodium metabisulfite

tested according to Ph. Eur.

Sinônimo(s):

Natrii metabisulfis, Sodium disulfite, Sodium pyrosulfite

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About This Item

Fórmula linear:
Na2S2O5
Número CAS:
7681-57-4
Peso molecular:
190.11
Número CE:
231-673-0
Número MDL:
MFCD00167602
Código UNSPSC:
12352302
ID de substância PubChem:
329763639
NACRES:
NA.21

Agency

USP/NF
tested according to Ph. Eur.

Nível de qualidade

100

Ensaio

>97.5%

forma

powder

pf

>300 °C (lit.)

cadeia de caracteres SMILES

[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

chave InChI

HRZFUMHJMZEROT-UHFFFAOYSA-L

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Categorias relacionadas

Pictogramas

CorrosionExclamation mark
GHS05,GHS07

Palavra indicadora

Danger

Frases de perigo

H302,H318

Classificações de perigo

Acute Tox. 4 Oral - Eye Dam. 1

Perigos de suplementos

EUH031

Código de classe de armazenamento

13 - Non Combustible Solids

Classe de risco de água (WGK)

WGK 1

Ponto de fulgor (°F)

Not applicable

Ponto de fulgor (°C)

Not applicable

Equipamento de proteção individual

dust mask type N95 (US), Eyeshields, Gloves

Choose from one of the most recent versions:

Certificados de análise (COA)

Lot/Batch Number
BCCL9740
BCCL4292
BCCL0274
BCCH6537
BCCG2201

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A 2,4-dinitrophenylhydrazine (DNPH) precolumn derivatization high-performance liquid chromatography-ultraviolet detection (HPLC-UV) method was developed to quantify levels of formaldehyde and acetaldehyde in polyethylene glycol (PEG) solutions. Formic acid and acetic acid were quantified by HPLC-UV. Samples of neat and aqueous PEG
Ivana Mara da Costa Machado Matos Carvalho et al.
Chemosphere, 82(7), 1056-1061 (2010-11-09)
Sodium metabisulfite is used in marine shrimp harvesting to prevent the occurrence of black spots. Shrimps are soaked in a sodium metabisulfite solution in ice, which is disposed of in sewages that run into marine canals, creating an environmental hazard.
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Phytochemistry, 72(1), 82-88 (2010-11-23)
While a long shelf life for fruit products is highly desired, enzymatic browning is the main cause of quality loss in fruits and is therefore a main problem for the food industry. In this study polyphenol oxidase (PPO), the main
Rosie F Davies et al.
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Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association, 52, 129-136 (2012-11-22)
We aimed at investigating the effects of sulfite-induced lipid peroxidation and apoptosis mediated by secretory phospholipase A2 (sPLA2) on somatosensory evoked potentials (SEP) alterations in rats. Thirty male albino Wistar rats were randomized into three experimental groups as follows; control
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