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MilliporeSigma

71932

Sodium metabisulfite

tested according to Ph. Eur.

Synonym(s):

Natrii metabisulfis, Sodium disulfite, Sodium pyrosulfite

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1 KG

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About This Item

Linear Formula:
Na2S2O5
CAS Number:
7681-57-4
Molecular Weight:
190.11
NACRES:
NA.21
PubChem Substance ID:
329763639
UNSPSC Code:
12352302
EC Number:
231-673-0
MDL number:
MFCD00167602
Assay:
>97.5%
Form:
powder

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Product Name

Sodium metabisulfite, tested according to Ph. Eur.

InChI key

HRZFUMHJMZEROT-UHFFFAOYSA-L

InChI

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

SMILES string

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

Quality Level

100

agency

tested according to Ph. Eur.

assay

>97.5%

form

powder

mp

>300 °C (lit.)

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This Item
S900031448161519
Sodium metabisulfite tested according to Ph. Eur.

Sigma-Aldrich

71932

Sodium metabisulfite

Sodium metabisulfite ReagentPlus®, ≥99%

Sigma-Aldrich

S9000

Sodium metabisulfite

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

Sigma-Aldrich

31448

Sodium metabisulfite

Sodium metabisulfite reagent grade, 97%

Sigma-Aldrich

161519

Sodium metabisulfite

form

powder

form

powder

form

powder

form

powder or crystals

assay

>97.5%

assay

≥99%

assay

98-100.5%

assay

97%

Quality Level

100

Quality Level

200

Quality Level

200

Quality Level

100

mp

>300 °C (lit.)

mp

>300 °C (lit.)

mp

>300 °C (lit.)

mp

>300 °C (lit.)

agency

USP/NF

agency

-

agency

reag. Ph. Eur.

agency

-

pictograms

CorrosionExclamation mark
GHS05,GHS07

signalword

Danger

hcodes

H302,H318

Hazard Classifications

Acute Tox. 4 Oral - Eye Dam. 1

supp_hazards

EUH031

Storage Class

13 - Non Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
BCCM8566
BCCM4483
BCCL9740
BCCL4292
BCCL0274

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Rosie F Davies et al.
Clinics in dermatology, 29(3), 311-315 (2011-04-19)
Human skin is exposed to a large variety of cosmetic allergens. Most allergic contact dermatitis occurs after exposure to fragrance, preservatives, and hair dyes. Such reactions can often be occult. As a result, a high index of suspicion is needed
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
Jeffrey N Hemenway et al.
Journal of pharmaceutical sciences, 101(9), 3305-3318 (2012-05-23)
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.
Gisela Palma-Orozco et al.
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
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