products

Antioxidant 7681-57-4 Sulphurous Sodium Metabisulfite Powder

Basic Information
Place of Origin: Hunan, China
Brand Name: Sodium Metabisulfite
Model Number: Na2S2O5
Minimum Order Quantity: 25 Ton/20'
Price: Negotiable
Packaging Details: in the woven bag lined with plastic, net wt. 25kgs or 1000kgs bags.
Delivery Time: 20 Days
Payment Terms: L/C; D/P; T/T
Supply Ability: 20000 Ton/per year
Detail Information
Molecular Weight: 190.1065 Form: White Powder
Purity: 96.5% Min Smell: Sulphorous
Application: Water Purifier, Gas Purification Agent,mordant,herbicide; Pesticides. PH-Value: (50 G/l) At 20 °C: 3.5-5.0
Formula: Na2S2O5 Sensitivity: Air & Moisture Sensitive
Density: 1.48 Merck : 14,8638
CAS: 7681-57-4 HS Code: 2832.2000.00
Color: White To Slightly Yellow
High Light:

Antioxidant 7681-57-4

,

Sulphurous Sodium Metabisulfite

,

7681-57-4 Sodium Metabisulfite


Product Description

96.5% Industrial Grade Min Sodium Metabisulfite Hs Code: 2832.2000.00 Powder Used For Water Purifier

 

Description:

 

Formula Na2S2O5
Molecular Weight 190.1065
CAS 7681-57-4
HS Code 2832.1000.00
Appearance White or Light Brown Powder
Smell Sulphorous
pH-value (50 g/l) at 20 °C 3,5-5,0 Change in condition
Melting range >300 °C
Solubility in / Miscibility with Water at 20 °C 650 g/l
Sensitivity Air & Moisture Sensitive
Density 1.48
Merck 14,8638
Purity 96.5% Min
Color White to slightly yellow

 

Application:

1. Sodium pyrosulfite is used in the production of safety powder, sulfamethazine anil, caprolactam, as well as chloroform, phenylpropylsulfone and benzaldehyde purification.

2. Sodium metabisulfite is used as a fixative in the photographic industry.

3. Sodium metabisulfite is used in the spice industry to produce vanillin. Used as a brewing industrial preservative, rubber coagulant and cotton bleached after dechlorination agent.

 

ANALYSIS:

 

Item Standard Test Result
Na2S2O5 96.5% MIN 96.57%
SO2 65.4% MIN 65.44%
Fe 0.004% MAX 0.0024%
Pb 0.0018% MAX 0.0009%
Insoluble 0.0002% MAX 0.0002%

 

 

 

 

Antioxidant 7681-57-4 Sulphurous Sodium Metabisulfite Powder 0Antioxidant 7681-57-4 Sulphurous Sodium Metabisulfite Powder 1

Contact Details
Venus

Phone Number : 86-13027429383