Главная
Все Категории
Сульфат
Технический сорт метабисульфит натрия для очистки

Технический сорт метабисульфит натрия для очистки

Категория: Сульфат >>>
Поставщик: Shandong,Aojin,Chemical,Technology,Co.,Ltd.

Цена:*

Количество:

Описание и отзывы

Трекер стоимости

Месяц	Минимальная цена	Макс. стоимость
Sep-16-2025	0.96 $*	0.41 $*
Aug-16-2025	0.44 $*	0.77 $*
Jul-16-2025	0.64 $*	0.80 $*
Jun-16-2025	0.46 $*	0.43 $*
May-16-2025	0.32 $*	0.67 $*
Apr-16-2025	0.32 $*	0.93 $*
Mar-16-2025	0.94 $*	0.86 $*
Feb-16-2025	0.23 $*	0.13 $*
Jan-16-2025	0.74 $*	0.23 $*

Характеристики

Product Description

Sodium Pyrosulfite

Sodium metabisulfite is white or yellow crystalline powder or small crystals, with a strong SO2 odor, specific gravity 1.4, soluble in water, the aqueous solution is acidic, and when it comes in contact with strong acid, it will release SO2 and generate corresponding salts. It will oxidize if left in the air for a long time. It becomes Na2S2O6, so the product cannot be stored for a long time. Above 150 degrees Celsius, SO2 is decomposed.

Specification

Item	Index
Product Name	Sodium Pyrosulfite
Chemical formula	Na2S2O5
Molecular weight	190.09
CAS	7681-57-4
EINECS	231-673-0
Melting point	>300 degrees
Water solubility	soluble
Density	1.48
Application	Antioxidant

Application

Sodium Pyrosulfite

1. It is used for the purification of sodium sulfonate, sulfamethazine, caprolactam, etc., as well as chloroform, phenylpropansulfone and benzaldehyde.

2. Used in printing and dyeing, organic synthesis, printing, tanning, pharmacy and other sectors; used as preservative, bleaching agent and bulking agent in food processing.

3. Used as bleaching agent, mordant, reducing agent, rubber coagulant, and also used in organic synthesis pharmacy and perfume.

Packing & Delivery

Packing: 25kg/bag or JUMBO bag
Delivery Time: 3-10 days after receiving TT payment

Storage: Store in a cool, ventilated warehouse. Keep away from fire and heat sources. The storage temperature should be kept above 16°C in the freezing season to prevent solidification. Keep the container tightly closed. It should be stored separately from oxidants and alkalis, and avoid mixed storage.

Company Profile

Shandong Aojin Chemical Technology Co., Ltd. is located in the New Material Trading Center of Zibo City, Shandong Province. Founded in 2009. We have produced and sold chemical raw materials for more than ten years. Our main products are alcohols, benzene, esters, alkanes, amines, acids, ketones, ethers. Especially n-octanoic acid, isooctyl alcohol, isobutanol, o-divinylbenzene, DOP, DBP, MMA, PM, BPA, NPG, etc.

Aojin products have passed third-party tests, such as SGS and BV tests; customers are our life. With sincere, fast, high-quality and efficient services, we have become a trustworthy enterprise for customers. At present, our products sell well in the United States, Europe, Japan, South Korea, South America, Southeast Asia and other countries and regions.

FAQ

1: May I have a sample order?
Yes, we welcome sample order to test and check our quality. Send me your requirement of the product you need. We can provide free sample, you just provide us the freight collect.

2: What is your acceptable payment term?
L/C,T/T,Western Union.

3: How about the validity of the offer?
Usually our offer is valid for 1 week. However, validity might vary between different products.

4: What documents you provide?
Usually, we provide Commerical Invoice, Packing List, Bill of lading, COA, MSDS and Origin Certificate. Please let us know if you need additional documents.

5: Which loading port?
Usually loading port is Qingdao port, besides, Shanghai Port, Lianyungang Port is totally no problem for us, and also we can ship from other ports as your requirement