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Safety Information

1.05056

SAFC

Potassium disulfite

E 224

Pharma Manufacturing

Synonym(s):

Potassium disulfite, Potassium metabisulfite, Potassium pyrosulfite

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About This Item

Empirical Formula (Hill Notation):
K2O5S2
CAS Number:
16731-55-8
Molecular Weight:
222.32
MDL number:
MFCD00167605
UNSPSC Code:
12352302
E Number:
E224
EC Index Number:
240-795-3

Quality Level

400

form

solid

pH

3.0-4.5 (20 °C, 50 g/L in H2O)

mp

150 °C (decomposition)

application(s)

pharma/biopharma processes

storage temp.

15-25°C

InChI

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

InChI key

RWPGFSMJFRPDDP-UHFFFAOYSA-L

General description

We offer a range of high quality critical raw materials plus the documentation and expertise to help our customers meet stringent regulatory requirements. Our SAFC® portfolio of high-quality products withstands strict quality control procedures.

Application

Potassium disulfite shows preservative and antioxidant properties. Potassium disulfite E224 is suitable for use in pharmaceutical processes and as food additive.

Legal Information

Emprove is a registered trademark of Merck KGaA, Darmstadt, Germany
SAFC is a registered trademark of Merck KGaA, Darmstadt, Germany

Pictograms

Corrosion
GHS05

Signal Word

Danger

Hazard Statements

H318

Precautionary Statements

P280 - P305 + P351 + P338

Hazard Classifications

Eye Dam. 1

Supplementary Hazards

EUH031

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

JAN Code

1050569029:
1050569029BWT:
1050565000:
1050569028:
1050560000:
1050565000BWT:

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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