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POTASSIUM METABISULFITE

Name: POTASSIUM METABISULFITE
Brand: KieRay Chem
SKU: pr22040617048
Price: 100 USD
Availability: InStock

5 Inquiries

Unit Price: Get Latest Price 

CAS No.:

16731-55-8

Grade:

industrial Grade

Content:

98%

Port:

SHANGHAI

Brand:

KieRay Chem

Packaging:

25kg/drum

Price valid (until):

2022-12-31

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Hangzhou KieRay Chem Co.,LTD

Company Type:

Manufactory

Location:

China

Qualification:

Main Products:

fine chemicals,pharmaceutical materials

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Product Description
Seller Information
Inquiry History

Description

Product Detail

Please enter the product introduction information...

Items	Specifications
Appearance	White or of- white powder or crystlline power,odorless
Solubility	Very soluble in N,N-Dimethylformamide,Soluble in methanol,Sparingly soluble inglacial acetic acid, Very slightly soluble inchloroform, Practically insoluble in water.
Melting Point	152°C~156°C

About US

Hangzhou KieRay Chem Co.,Ltd.is located in YuhangDistrict of Hangzhou City and specialized in the chemical product customization,development, sales, import and export. Current business is focused on finechemicals, pharmaceutical materials and intermediates, pesticides, dyes andbiochemical reagents.

Since establishment, we believe in"integrity-based, quality-oriented" to provide customers withexcellent products and quality services. Cooperating with universities, we havea high-level scientific research team; equipped with a professional andresponsible service sales team ; and established stable and reliable long-termcooperative relations with hundreds of domestic chemical factories. Throughunremitting efforts, our products have exported to North America, Europe,Southeast Asia, etc., and have established long-term business relationship withcustomers all over the world.

Our company is willing to work withour customers to create a better future!

Contact Us

Hangzhou KieRay Chem Co.,Ltd.

Tel: +86-15336573147

Whatspp: +86-15336573147

Telegram: : +86-15336573147

E-Mail: sales@kieraychem.com

Address: Room 260, Building 3, No. 76 Xingqiao North Road, Xingqiao Street, Yuhang District, Hangzhou City, Zhejiang Province, China

FAQ

1. Do you accept sample order?
We accept sample orders. We will make samples before bulk production, and after sample approved, we'll start to bulk production.

2. How to confirm the quality before placing the order
You can get free samples for some products, you only need to pay the shipping cost or arrange a courier to us and take the samples. You can send us your product specifications and requests, we will manufacture the products according to your requests.

3. What’s the MOQ?

Our MOQ is 50g-1000g. But usually we accept less quantity such as 50g on the condition that sample charge is 100% paid.

4. Do you provide COA?
Yes. We'll provide certificate of analysis before shipment

ECHEMI Editorial Reference

WHITE CRYSTALLINE POWDER WITH PUNGENT ODOUR.

Basic Info

Product Name:

POTASSIUM METABISULFITE

Other Name:

dipotassiumdisulfite;dipotassiummetabisulfite;Disulfurousacid,dipotassiumsalt;potassiummetabisulphate;pyrosulfurousacid,dipotassiumsalt;POTASSIUM METABISULFITE REAGENT;POTASSIUMMETABISULFITE,CRYSTAL,FCC;POTASSIUMMETABISULFITE,CRYSTAL,NF

CAS No.:

16731-55-8

Molecular Formula:

K2O5S2

InChIKeys:

RWPGFSMJFRPDDP-UHFFFAOYSA-L

Molecular Weight:

222.32

Exact Mass:

221.84600

EC Number:

240-795-3

UNII:

65OE787Q7W

ICSC Number:

1175

UN Number:

1759

TSCA:

TSCA listed

DSSTox ID:

DTXSID1021293

Color/Form:

White to slightly yellow

HScode:

28322000

Categories:

Bulk Drug Intermediates

Characteristics

λmax:

267nm(H2O)(lit.)

PSA:

124.92000

XLogP3:

0.27220

Density:

2.34 g/cm3

Melting Point:

190°C

Water Solubility:

Soluble in water. Insoluble in ethanol.

Storage Conditions:

Keep dry and well closed.

Vapor Density:

2.3 (vs air)

Toxicity:

LD50 orally in Rabbit: 2300 mg/kg

Odor:

Odorless

PH:

2.5-4.5 (25℃, 0.1M in H2O)

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.

Critical Temperature & Pressure:

Store at +5°C to +30°C.

See More POTASSIUM METABISULFITE 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 METABISULFITE Safety Data Sheet 

Seller Information

Business Type:
Manufactory

Main Products:
fine chemicals,pharmaceutical materials

Location:
Room 260, Building 3, No. 76 Xingqiao North Road, Xingqiao Street, Yuhang District, Hangzhou City, Zhejiang Province, China

Payment Terms:
TT against copy of documents,L/C

Average lead Time:
15

Total Annual Revenue:
$1 million-$2.5 million

Total Employees:
11-50

Year of Establishment:
2020

Company Profile
Hangzhou KieRay Chem Co.,Ltd.is located in YuhangDistrict of Hangzhou City and specialized in the chemical product customization,development, sales, import and export. Current business is focused on finechemicals, pharmaceutical materials and intermediates, pesticides, dyes andbiochemical reagents.
Since establishment, we believe in"integrity-based, quality-oriented" to provide customers withexcellent products and quality services. Cooperating with universities, we havea high-level scientific research team; equipped with a professional andresponsible service sales team ; and established stable and reliable long-termcooperative relations with hundreds of domestic chemical factories. Throughunremitting efforts, our products have exported to North America, Europe,Southeast Asia, etc., and have established long-term business relationship withcustomers all over the world.
Our company is willing to work withour customers to create a better future!

Inquiry History

5 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
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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POTASSIUM METABISULFITE

Product Description

Seller Information

Inquiry History

Contact Us

Classification of the substance or mixture

GHS label elements, including precautionary statements

Other hazards which do not result in classification

Precautions for safe handling

Conditions for safe storage, including any incompatibilities

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