Basic Info.
Model NO.
7681-57-4
Appearance
Powder
Grade Standard
Food Grade
Transport Package
1) 25 Kg/Bag No Pallet: 27 Tons/Container Pallet:
Specification
25kg/50kg/1000kg
Trademark
choice-chem
Origin
China
HS Code
2832100000
Production Capacity
500 Metric Ton/Metric Tons / Day
Product Description
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Verified Certifications (0) Product Details
Overview
Quick Details
Specification
Production line and output--
* CHOICE CHEM have 5 production lines* Daily production: 100 tons/day* Total products: 500 tons/day, 200000 tons/year
Employees
201-300
R&D staffs
1-4
Patents
-
Verified Certifications (0)
-
| Chemical name | Sodium Metabisulfite |
| Molecular Formula | Na2S2O5 |
| CAS | 7681-57-4 |
| Character | White or yellow crystalline powder or small crystalline, with a strong smell of sulfur dioxide, it is soluble in water. |
| Applications | In food industry, it is used as bleaching agents, preservatives, loosen agents, antioxidants, color protecting agents and preservatives. |
| The Doctor industry is used for the production of chloroform, phenylpropane and benzaldehyde. | |
| The rubber industry is used as a coagulant. | |
| The printing and dyeing industry is used as a dechlorination agent for cotton bleaching and a cotton cooking agent. | |
| Tannery industry for leather treatment, can make leather soft, plump, tough, with waterproof, anti - folding, wear resistance and other properties. |
Overview
Quick Details
| Classification: | Sulphate | Type: | Sodium Metabisulfite |
| CAS No.: | 7681-57-4 | Other Names: | Sodium Metabisulphite, SMBS, Sodium pyrosulfite |
| MF: | Na2S2O5 | EINECS No.: | 231-673-0 |
| Place of Origin: | Hunan, China | Grade Standard: | Agriculture Grade, Food Grade, Industrial Grade, Reagent Grade |
| purity: | 97%min | Appearance: | White Powder or Yellow crystalline powder |
| Application: | Water, Dyeing, Gold, food, Photography... | Brand Name: | Choice Chem |
| Model Number: | Sodium Metabisulphite | Product name: | Sodium Metabisulphite SMBS |
| Smell: | strong smell of sulfur dioxide | Content: | 97%min |
| SO2: | 66.8% | Fe: | 0.0015 |
| Pb: | 0.0002 | As: | 0.0001 |
| Water soluble: | 20°C, 54g/100ml water | Usage 1: | Raw materials of sodium hydrosulfite and caprolactam |
Specification
Production line and output--
* CHOICE CHEM have 5 production lines* Daily production: 100 tons/day* Total products: 500 tons/day, 200000 tons/year
| Chemical Analysis- Sodium metabisulphite Food Grade | ||
| Component | Standard | Result |
| Appearance | white or yellowwish crystalline powder | Confirm |
| Content | ≥96.5% | 97.50% |
| Fe | ≤0.003 | 0.0015 |
| Clarity | Clarify | confirm |
| Pb | ≤0.0005 | 0.0002 |
| As | ≤0.0001 | 0.0001 |
| SO2 | >65% | 66.8% |
| PH Value | 4.0-4.6 | 4.3 |
| Water soluble | 20ºC,54g/100ml water | Confirm |
| Fruits & Vegetables preservatives Sodium metabisulphite chipwhite |
| 1.Sodium metabisulphite |
| 2.Fruits preservatives |
| 3.Vegtable preservatives |
Our service
1. All raw materials must be inspected prior to transferring to warehouse. 2. With regarding to the incoming materials which are not able pass the incoming inspection. Engineers will evaluate its quality and decide if they could be used for production or need to be returned to suppliers. 3. With regarding to NG materials, SQE organizes MRP meeting with suppliers and request them for 8D report and improvement plan. SQE | 1. Monitor equipment temperature and other index every 2 hrs, keep result in record. 2. Assign staff for each shift to record the equipment working status. It is requested to stop production machine working once abnormal condition found. | 1. Randomly pick out 5 pcs samples for final inspection for each batch, and only they all passed, then can be moved to qualified area. 2. If NG products found, put them at unqualified area, and let R&D department, production team and QC team review together for sorting out root cause and arranging improvement action plan. NG |
FAQ
You may want to know...
Q: How long can you offer the samples?A: 1~7 days after the deposit payment is confirmed.
If you have any other questions , please feel free to contact with us ^.^
Q: What's your payment terms for sample?A: You can pay via T/T, L/C, Paypal, Alibaba Trade assurance and so on.
Q: Do you provide samples? is it free or extra?A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
Q: Why choose you-- CHOICE CHEMICALS LTD.?A : (1) we can provide Professional Service, High-quality products
(2) we have Reliable service team, R&D team
(3) we have competitive and reliable price of the products
(2) we have Reliable service team, R&D team
(3) we have competitive and reliable price of the products
Q: What other products do you supply?
A: we not only provide the products you just viewed, but also Fertilizers, Pesticides, Additives and Industrial Chemicals.(such as Sodium Metabisulfite, Sodium Sulfite, Sodium Bisulfite, Magnesium Sulfate, Potassium Sulfate, Potassium Nitrate, Calcium Ammonium Nitrate, Calcium Nitrate, NPK, MAP, MKP, DAP, Geraniol, Piperonyl Butoxide, Methyl Nonyl Ketone, Cypermethrin, Cyfluthrin, Lambda-Cyhalothrin, D-Phenothrin, Esbiothrin, Tetramethrin, Permethrin, Bifenthrin, etc.)
If you have any other questions , please feel free to contact with us ^.^