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na2s2o5 smbs sodium metabisulphite for reducing agents
Brand : Xinag Sante
Product origin : Hunan, China(mainland)
Delivery time : 7-10 days
Supply capacity : 300000T/Year
sodium metabisulphite, 97% min purity, food grade industry grade, used as reducing agents, direct factory selling, flexible payment terms, ree sample, satisfying services.
na2s2o5 smbs sodium metabisulphite for reducing agents
【About SMBS Sodium Metabisulphite】:
Product name: sodium metabisulphite, sodium pyrosulphite
Molecular formula: na2s2o5
Molecular weight: 190.1
CAS No.: 7681-57-4
Hs code: 2832 1000 00
Appearance: white crystalline powder
Smell: so2
Purity: 97% min
Grade: Industry grade, food grade
Brand name: Xiang Sante
Supply ability: 12,000 MT/Month
Applications: reducing agents, preservatives, antioxidants, bleaching agents,etc.
| National Standard :[HG/T2826-2008] Product Specification: | ||
| item | Specification | |
| High-Class | First-class | |
| Main Content (Na2S2O5) % ≥ | 96.5 | 95.0 |
| Fe (fe)%≤ | 0.05 | 0.05 |
| Heavy metal(PB)%≤ | 0.005 | 0.01 |
| As (As) %≤ | 0.0001 | ---- |
【Physical Character】：White or yellowish crystalline powder.Relative density 1.4, soluble in water (20 ℃ for 54 g / 100 ml of water;At 100 ℃ for 81.7 g / 100 ml water) acidic aqueous solution, soluble in glycerin, slightly soluble in alcohol.Easy decomposition of be affected with damp be affected with damp, dew easy oxidation air into sodium sulfate and contact with strong acid release sulfur dioxide and generate the corresponding salts, heated to 150 ℃.
【Application】：The pharmaceutical industry is used to produce chloroform, phenylsulfone and benzaldehyde.The rubber industry is used as a coagulant.The printing and dyeing industry is used as the dechlorination agent for cotton bleaching, and cotton as the auxiliary agent;Leather processing is used for leather processing, which can make leather soft, plump and tough. It has the properties of waterproof, anti-folding and wear-resisting.Chemical industry is used to produce hydroxyl vanillin, hydroxylamine hydrochloride, etc.Photosensitive industry used as a developer; The food industry is used for bleaching agents, preservatives, loose agents, antioxidants, colorants and preservatives.
【Package】：25Kgs/Plastic woven bags；1000kgs/Bag or as requested.
【Storage & Shipping】：
Storage precautions: Store in cool, dry and well ventilated warehouse.Keep away from fire and heat sources.Keep container sealed.Should be stored separately from oxidant, acid, edible chemicals, avoid by all means mixed storage. Do not store for long to avoid deterioration.The storage area shall be provided with appropriate materials to contain leakage.
Storage precautions: Store in cool, dry and well ventilated warehouse.Keep away from fire and heat sources.Keep container sealed.Should be stored separately from oxidant, acid, edible chemicals, avoid by all means mixed storage. Do not store for long to avoid deterioration.The storage area shall be provided with appropriate materials to contain leakage.
【Hazard, Safety and Risk Terms】：
Health hazard: the product has obvious stimulating effect on skin and mucous membrane, and can cause conjunctival and bronchitis symptoms. People with allergies or asthma are very sensitive to this and direct contact with the skin can cause burns.
Fire and explosion hazard: this product is non-combustible, toxic and irritating.
Safety terms: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
If swallowed, seek medical advice immediately and show this container or label.
Risk terms: Harmful if swallowed.
【FAQ】:
1. How do the products transport?
After buying our products, we track products to appointed china port, waiting for loading on board to send to customer's destination port. We have shipping company agent such as ANL, APL, CMA, COSCO, CSAV,CSCL,EMC,HASCO etc or reguested.
2. What is your main products?
Our products mainly include sodium metabisulfite,anhydrous sodium sulfite, sodium thiosulfate pentahydrate, feed/industrial grade zinc oxide, sodium sulfate, zinc sulphur, lithopone,barum sulfate, high purity arsenic metal etc.
3. Can I get the sample?
Yes, sample is free, we pay the express fee according to the location.
4. How long is the delivery time?
Normally it's 7-15 days, depends on shipment time and factory delivery date etc.
5. Can I negotiate the price?
Sure, for the large order, we may give some discount.
6. Can I visit your company?
Of course, you can! We have our factory in Ji Yuan city, Henan province, office in Zhuzhou city, Hunan province. We welcome you to visit us at anytime!
【Certifications】:
