英文名称：

POTASSIUM METABISULFITE

CAS号：

16731-55-8

分子式：

K2O5S2

分子量：

222.32

熔点

190°C

密度

2.34 g/cm³

蒸气密度

2.3 (vs air)

储存条件

Store at +5°C to +30°C.

溶解度

H₂O: 0.1 M at 20 °C, clear, colorless

形态

Powder/Solid

比重

2.3

颜色

White to slightly yellow

PH值

2.5-4.5 (25℃, 0.1M in H2O)

气味 (Odor)

Odorless

酸碱指示剂变色ph值范围

3-4.5 at 22.2 g/l at 25 °C

水溶解性

Soluble in water. Insoluble in ethanol.

敏感性

Air Sensitive

最大波长(λmax)

267nm(H2O)(lit.)

Decomposition

150°C

Merck

14,7645

Founded in 2008, East Chemsources Limited is a professional manufacturer of supplier in food and beverage, pharmaceuticals, cosmetics and other industries.  Through more than four years development, our company has developed from single product at first to providing solution to finished products now, is committed to providing solutions for success and growth through long term relationships. 

Currently, our products have been exported to more than 50 countries all over the world. Our service is accomplished by providing good quality solution that matches the specifications of our clients at competitive price. Our products will derive from trusted sources and arrive to our clients in time and well arranged manner, be creating the greatest benefits for our customers. 

Whether your project is large or small, whether it needs one, several or all of our disciplines you will find our level of dedication to a quality result to be the same. We are looking forward to your sincere cooperation and participation. 

Our advantages:

1. High quality with the competitive price.

2. Professional and experienced business services.

3. Prompt delivery within 2-3 weeks (1 weeks is available for ready stock)

4. Quick response to client inquiries

5. Free samples and shipping documents in accordance with the regulations of different countries

6. Adequate product inventory

6. Variety of payments, such as L/C, TT, , MoneyGram or other payments.