Sodium Metabisulfite (SMBS) 7681-57-4 Purity99%

Sodium Metabisulfite (SMBS)

  • CAS: 7681-57-4
  • FOB Price:  Get Latest Price
  • Port:Qingdao or Tianjin
  • Minimum Order Quantity:1/Metric Ton
  • Supply Ability:20000 Metric Ton/Year
  • Payment Terms:T/T,
  • Updatetime:Jan 22 2017
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Supplier Details

REAP CHEMICAL LTD

  • Product detail

  • Company Profile

Sodium metabisulfiteQuick Details

  • Classification:Sulphate
  • Cas NO.:7681-57-4
  • EINECS:231-673-0
  • Molecular Formula:Na2O5S2
  • Melting Point:150℃
  • Stability:Stable. Incompatible with strong oxidizing agents, strong acids. Contact with strong acids releases a poisonous gas. May be moisture and air sensitive.
  • Water Solubility:540 g/L (20℃)
  • Flash Point:无意义
  • Purity:99%
  • Appearance:White powder crystal
  • Brand Name:REAPCHEM

Packaging & Delivery

  • Packaging Detail:25kg/bag
  • Delivery Detail:

Detailed Description

 1. Quick Details

Brand Name: REAPCHEM

Pro Name: Sodium Metabisulfite

Other Name: SMBS

Place of Origin: Shandong, China

Molecular Formula: Na2S2O5

Molecular weight: 190.09

CAS No: 7681-57-4

Appearance:  White powder crystal

Solubility: 100%

Grade: TECH Grade / FOOD Grade/High purity Grade

 

2. Packaging & Delivery

Packaging detail: PP woven bag with PE inner bag in 25kg/50kg/1000kg or according to customer's demand.

Loaded: 25mt/20'FCL with pallets, 25mt/20'FCL without pallets

Delivery detail: Within 7-10 days

Transportation: BY SEA

Port: QINGDAO or TIANJIN

 

3. Specifications

Analysis Item

Specification

TECH Grade

FOOD Grade

High Purity Grade

Assay

96.5% min

97.0% min

98.0% min

Iron (as Fe)

0.005% max

0.003% max

0.001% max

Appearance of solution

-

Colorless and transparent

-

Arsenic (as As)

0.0001% max

0.0001% max

0.0001% max

Heavy Metals (as Lead)

-

0.0005% max

0.0005% max

pH

4.0-4.6

4.0-4.6

4.0-4.6

Water Insoluble

0.05% max

0.05% max

0.05% max

 

4. Application

Sodium metabisulfite is mainly used as preservative in food applications, as an  enzyme inhibitor in waste water treatment and leather tanning process. For bleaching wool and jute in textile industries. As antichlor after cotton bleaching printing and dying industry, to destroy cyanides in gold mining industry. Preservative in photo developer solutions, as reducing agent and sulfonating agent for chemical and medical industries etc.

Company Related Products

View the Seller's Products
Sodium Hexametaphosphate (SHMP)

Sodium Hexametaphosphate (SHMP)

  • Min. Order: 1 Metric Ton
  • Purity: 68%
  • Packaging Detail: 25kg/bag
  •  1. Quick Details

    Brand Name: REAPCHEM

    Pro Name: Sodium Hexametaphosphate

    Other Name: SHMP

    Place of Origin: Shandong, China

    Molecular Formula: (NaPO3)6

    Molecular weight: 611.77

    CAS No: 10124-56-8

    Appearance:  White flake or powder.

    Solubility: 100%

    Grade: TECH Grade / FOOD Grade

     

    2. Packaging & Delivery

    Packaging detail: PP woven bag with PE inner bag in 25kg/50kg/1000kg or according to customer's demand.

    Loaded: 25mt/20'FCL with pallets, 25mt/20'FCL without pallets

    Delivery detail: Within 7-10 days

    Transportation: BY SEA

    Port: QINGDAO or TIANJIN

     

    3. Specifications

     

    Analysis Item

    Specification

    TECH GRADE

    FOOD GRADE

    Appearance

    White powder

    White powder

    Total phosphate (as P2O5

    68.0% min

    68.0% min

    Inactive phosphate (as P2O5)

    7.5% max

    7.5% max

    Fe

    0.05% max

    0.02% max

    Water Insoluble

    0.05% max

    0.06% max

    pH of 1% water solution

    5.8-7.0

    5.8-6.5

    Arsenic (As)

    -

    0.0003% max

    Fluorides (F)

    -

    0.003% max

    Solubility

    Qualified

    -

    Heavy Metals (as Lead)

    -

    0.001% max

     

    4. Application

    Used in industries of oil fields, paper production, textile, dyeing, petroleum, chemistry, metallurgy and construction materials etc. as water softener, flotation selecting agent, disperser and high temperature adhesive; In food industry it used as an additive, nourishing agent, quality improver, pH regulator, metal ions chelating agent, adhesive and leavening agent etc.

    Detail more >>
    Sodium Acid Pyrophosphate (SAPP)

    Sodium Acid Pyrophosphate (SAPP)

  • Min. Order: 1 Metric Ton
  • Purity: 95%
  • Packaging Detail: 25kg/bag
  • Name: Disodium pyrophosphate
    Synonyms: Disodium dihydrogen pyrophosphate;Disodiumdiphosphate;Disodium pyrophosphate (Na2H2P2O7);SAPP;SAPP 40;SAPP-RD 1;Sodium hydrogen phosphate (Na2H2P2O7);Sodium acid pyrophosphate(SAPP);Sodium Acid Pyrophosphate (SAPP);Diphosphoricacid, disodium salt (9CI);Pyrophosphoric acid, disodium salt (8CI);Sodiumpyrophosphate (Na2H2P2O7) (6CI);Dihydrogen disodium pyrophosphate;Disodium dihydrogen diphosphate;Disodium dihydrogendiphosphate (Na2H2P2O7);
    CAS Registry number: 7758-16-9
    EINECS:231-835-0
    Molecular Formula: H2Na2O7P2
    Density: 2.311 g/cm3 (25 C)
    Water:H2 O: 0.1 M at 20 °C, clear, colorless
    Appearance: white powder
    Usage:

    Electroplating, metal cleaning and phosphatising, drilling muds, baking powders and leavening agent, buffer, sequestrant, peptising agent in cheese and meat products, frozen desserts.


    Safety Statements: 24/25

    Detail more >>

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