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dipotassiumdisulfite

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CAS No.:

16731-55-8

Port:

SHANGHAI

Packaging:

25kg/BAG

Price valid (until):

2024-01-19

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Shandong zhishang chemical Co.,Ltd

Company Type:

Manufactory

Location:

China

Qualification:

Main Products:

Dichloromethane,Linocaine hydrochloride

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Product Description
Seller Information
Inquiry History

Description

This product is a reductive bleach allowed to be used in our country. It has a bleaching effect on food and a strong inhibitory effect and stronger reducing property on oxidase enzymes in plant foods.

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Items	Specifications

Basic Info

Product Name:

Potassium pyrosulfite

Other Name:

Disulfurous acid,potassium salt (1:2);Pyrosulfurous acid,dipotassium salt;Potassium pyrosulfite;Disulfurous acid,dipotassium salt;Potassium metabisulfite;Potassium metabisulfite (K2S2O5);Dipotassium metabisulfite;Potassium pyrosulfite (K2S2O5);Dipotassium pyrosulfite;Dipotassium disulfite;Potassium disulfite (K2S2O5);E 224;Kadifit;4429-42-9

CAS No.:

16731-55-8

Molecular Formula:

H2O5S2.2K

InChIKeys:

InChIKey=TWDUAWOEUFKDNM-UHFFFAOYSA-N

Molecular Weight:

222.32400

Exact Mass:

221.84600

EC Number:

240-795-3

UNII:

65OE787Q7W

ICSC Number:

1175

UN Number:

1759

DSSTox ID:

DTXSID1021293

Color/Form:

White crystals or crystalline powder|White powder

HScode:

2832200000

Categories:

Food Antioxidants

Characteristics

PSA:

124.92000

XLogP3:

0.27220

Density:

2.3 g/cm³

Melting Point:

150 °C (decomp)

Water Solubility:

H2O: 0.1 M at 20 °C, clear, colorless

Storage Conditions:

Keep dry and well closed.

Odor:

Sulfur dioxide odor|Pungent, sharp odor

Experimental Properties:

Liberates SO2 with acids; oxidizes in air to sulfate, more readily in presence of moisture|It may catch fire if too much heat develops in powdering it.

Air and Water Reactions:

Water soluble.

Reactive Group:

Sulfite and Thiosulfate Salts

Reactivity Alerts:

Strong Reducing Agent

Reactivity Profile:

POTASSIUM METABISULFITE reacts with oxidizing agents to generate heat and products that may be flammable, combustible, or otherwise reactive. Can react explosively with strong oxidizing agents. Generates gaseous sulfur dioxide in contact with acids. Aqueous solutions are acidic and corrosive.

See More Potassium pyrosulfite Properties 

Hazard Identification

Classification of the substance or mixture

Serious eye damage, Category 1

GHS label elements, including precautionary statements

Precautionary statement(s)
Pictogram(s)
Signal word	Danger
Hazard statement(s)	H318 Causes serious eye damage
Prevention	P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/...
Response	P305+P354+P338 IF IN EYES: Immediately rinse with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P317 Get medical help.
Storage	none
Disposal	none

Other hazards which do not result in classification

no data available

Handling and Storage

Precautions for safe handling

NO open flames. Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.

Conditions for safe storage, including any incompatibilities

Dry. Well closed. Keep in a well-ventilated room.Potassium metabisulfite should be stored in a cool, dark place.

See More Potassium pyrosulfite Safety Data Sheet 

Seller Information

Business Type:
Manufactory

Main Products:
Dichloromethane,Linocaine hydrochloride

Location:
BUILDING 1,HISENSE INTELLIGENCE VALLEY,NO.2116,OF PHOEIX ROAD, HIGH-TECH ZONE ,JINAN CITY ,SHANDONG PROVINCE,CHINA

Payment Terms:
D/P,L/C,D/A

Average lead Time:
15

Total Annual Revenue:
$10 million-$25 million

Total Employees:
11-50

Year of Establishment:
2016

Shandong zhishang chemical Co.,Ltd is a leading Manufactory supplier of Adenosine, 5′-[[(3S)-3-amino-3-carboxypropyl]methylsulfonio]-5′-deoxy-, sulfate, 4-methylbenzenesulfonate sulfate (1:1:1:1), Ethylene oxide-propylene oxide copolymer, Strontium carbonate based in Jinan, Shandong, China. With a commitment to quality and customer satisfaction, Shandong zhishang chemical Co.,Ltd has become a trusted name in the industry. Our product line includes a range of high-quality Adenosine, 5′-[[(3S)-3-amino-3-carboxypropyl]methylsulfonio]-5′-deoxy-, sulfate, 4-methylbenzenesulfonate sulfate (1:1:1:1), Ethylene oxide-propylene oxide copolymer, Strontium carbonate, which are available at competitive prices. Shandong zhishang chemical Co.,Ltd has established itself as a reliable supplier of chemical products on the echemi.com.

Inquiry History

6 Inquiries

Country	Product	Purchase Quantity	Date Posted
India	Sodium Metabisulfite Food Grade	1	Jun 27, 2025
Brazil	Potassium Metabisulfite E224	1 20' Fcl	Dec 27, 2024
India	Potassium metabisulphite	1.00 KG	Jul 28, 2023
Burkina-faso	Métabisulfite de potassium en powder CAS 16731-55-8(E224) 99% Food grade	1.5 MT	Mar 25, 2026
India	Potassium Metabisulfite, IP grade	1.00 KG	Dec 9, 2024
Bosnia and Herzegovina	potassium metabisulfite	10 KG	Dec 19, 2023

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dipotassiumdisulfite

Product Description

Seller Information