| Customization: | Available |
|---|---|
| CAS No.: | 7681-57-4 |
| Formula: | Na2s2o5 |
|
Still deciding? Get samples of US$ 1/kg
Request Sample
|
Suppliers with verified business licenses
Audited Supplier Audited by an independent third-party inspection agency
Property: white or light yellow crystal powder.
Molecular Formula :Na2S2O5
Molecule Weight :190.12
CAS NO.:7681-57-4
Appearance :White Free Flowing Fine Crystalline or Powder
| Item | Quality Index |
|
| Food Grade |
Industry Grade |
|
| Purity ( As Na2S2O5) | 98.0% min |
97.0% min |
| Sulfur Dioxide( SO2) | 65.0% min |
65.0% min |
| ( As ) | 0.0002% max |
- |
| Heavy metals ( As Pb ) | 0.0005% max |
- |
| Se | 0.0005% max |
- |
| Iron (Fe) | 0.001% max |
0.002% max |
| Water insoluble | 0.02% max |
0.05% max |
| PH value : | 4.0-4.8 |
4.0-4.8 |
25kg pp/paper bag with PE liner;
1000kg jumbo bag;
can be customized as per request
Application:
(1) Food Grade: Bleach agent (e.g. candies, cake,
bamboo shoots, etc); Loose agent (e.g. bread, crackeretc); Antiseptic and germicide (e.g. fruit juice, tinned
food, brews, the cereals food is defended storage etc); Inhibitor and freshen agent (e.g. day lily, seafood, fruit and vegetable etc).
(2) Industry Grade: Mordant of printing and dyeing; Dechlorinate of textile after bleaching; Sulphonated agent and reducer of chemical industry and pharmacy;
Bleach of paper pulp, bamboo and timber bleach of
Stap; Treatment agent of waste water; Rubber
solidifying agent Perfume industry is served as
hydro carbon perfume aldehyde
The hide profession employ to do to molt dose and pliable dose and wearproof dose; sewage treatment, and
so on .
(3) Pharmaceutical Grade: In chemical synthesis in theproduction of acrylic fibre, vitamin K, vitamin A,
pharmaceutical intermediates, etc.
(4) Photo Grade: The sensitize industry is served as
the developing agent reductant and the protection of
fixing bath dose.
We Fondland Chemicals Co., Ltd (hereafter referred as FONDLAND) established in 2010, are the leading manufacturer and supplier of Chemicals.FONDLAND founded relying on Shandong Haihua Group with strongest supplying capability and competitive price. Our products were sold to most of the world, including Middle East, Africa, Southeast Asia, North America, South America , Europe etc.
A. More than 12 years of export experience, and professionals provide 24-hour online services;
B. Good quality, guaranteed price, fast supply and large quantity;
C. Flexible and diverse settlement methods and timely delivery of goods and documents;
D. The outer packaging is wear-resistant and moisture-proof, and multiple packaging methods are optional;
E. Cooperate closely with shipping forwarders to ensure the safety of after-sales goods;
Our team members are trained regularly, with professional quality and vision.Can help you solve the trade of goods, coordinate storage and booking problems, but also can provide you with market consultation, price trend, to provide you with reasonable suggestions, so that you seize the good opportunity to purchase.In addition, the imported products we need will be released regularly. If you have good resources, we will arrange to facilitate the development of import business.
FAQ:
1. Q: Are you manufacturer or trading company?
A: We are trading company but we have shares in several cooperated factories.
2. Q: What would you do to guarantee the product quality?
A: We have professional quality control team with strict quality control system and rigorous QHSE.
We give supervision on container loading and delivery to ensure the clearness and neatness of package.
3. Q: What about your price?
A: We always supply the products with appropriate price,because we believe this is an effective way to build
long - term business with our customers and earn good reputation.
4. Q: What payment terms do you accept?
A: For new customers, we accept 30% T/T in advance,70% balance against copy of shipping docs,L/C at sight;
For old customers, the payment terms can be negotiated accordingly.
5. Q: What about the order lead time?
A: Usually the order lead time is 10-15days after receiving your prepayment.
){kind=link}