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Sodium metabisulfite is a chemical compound with the formula Na2S2O5, commonly used as a preservative and antioxidant in various industries. It is a white, crystalline solid that releases sulfur dioxide (SO2) when dissolved in water, which is responsible for its preservative properties. Sodium metabisulfite is widely employed in food processing to prevent browning, microbial growth, and oxidation, as well as in winemaking to control microbial spoilage and oxidation. Additionally, it is used in the pharmaceutical, photography, and textile industries for its bleaching and disinfecting capabilities. However, it is essential to handle sodium metabisulfite with care due to its potential to cause respiratory issues and skin irritation upon exposure.

7757-74-6

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7757-74-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 7757-74-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,7,5 and 7 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 7757-74:
(6*7)+(5*7)+(4*5)+(3*7)+(2*7)+(1*4)=136
136 % 10 = 6
So 7757-74-6 is a valid CAS Registry Number.
InChI:InChI=1/H2O5S2/c1-6(2)5-7(3)4/h(H,1,2)(H,3,4)

7757-74-6SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 20, 2017

Revision Date: Aug 20, 2017

1.Identification

1.1 GHS Product identifier

Product name SODIUM METABISULFITE

1.2 Other means of identification

Product number -
Other names -

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:7757-74-6 SDS

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