Product
Product
| Item | Details & Chemical Properties |
|---|---|
| English Name | Sodium tungstate dihydrate |
| CAS Number | 10213-10-2 |
| Molecular Formula | Na?WO?·2H?O |
| Molecular Weight | 288.84 |
| EINECS Number | 600-275-2 |
| Melting Point | 698 °C (lit.) |
| Density | 4.18 |
| Specific Gravity | 3.25 |
| Bulk Density | 1600 kg/m3 |
| Storage Condition | Store at +15 °C to +25 °C |
| Solubility | 1 M in water at 20 °C, clear and colorless |
| Form | Solid |
| Color | White to slightly yellow |
| Odor | Odorless |
| pH Indicator Range | 9-11.5 (100 g/L, 20 °C) |
| pH Value | 9.5-11.5 (1 M aqueous solution, 25 °C) |
| Water Solubility | 730 g/L (20 °C) |
| Maximum Wavelength (λmax) | λ: 260 nm Amax: ≤0.120；λ: 280 nm Amax: ≤0.035 |
| Merck Index | 14, 8698 |
| Exposure Limit | ACGIH: TWA 3 mg/m3；NIOSH: TWA 1 mg/m3, STEL 3 mg/m3 |
| InChI | 1S/2Na.2H2O.4O.W/h;;21H2;;;;;/q2+1;;;;;2*-1; |
| InChIKey | WPZFLQRLSGVIAA-UHFFFAOYSA-N |
| SMILES | O.O.[Na+].[Na+].[O-]W(=O)=O |
Packing: 25kg/bag,etc. According to negotiation
Shipping: EMS,DHL,By Sea ,etc. According to negotiation
Shandong Huashang Chemical Co., Ltd., authorized by the China Foreign Trade and Economic Cooperation Bureau, is a comprehensive chemical enterprise integrating technology research and development, production, sales, and service. We have established close cooperative relationships with numerous stable and reliable manufacturers, enabling us to provide customers with high-quality products and comprehensive services.
With a professional and experienced team of employees and strong technical support from cooperation with research institutes, we also excel at developing new products for our clients. If you need to purchase new products, we are undoubtedly your ideal choice.
Huashang Chemical has a strict quality control system and provides quality assurance for every batch of delivered products, which has consistently earned us praise and acclaim from customers both domestically and internationally. "Best quality, best price, best service" is our unwavering principle.
We welcome any inquiries or suggestions, and we will reply within 24 hours on weekdays. We look forward to establishing a long-term and friendly cooperative relationship with you!
FAQ
Q1: Can I get some samples?
A: Yes, we can supply free samples , you pay for the shipping cost only.
Q2: How can you guarantee the quality of your products?
A: We will make samples before mass production, and after the sample approved, we'll begin mass production. Doing 100% inspection during production, then do random inspection before packing.
Q3: What is your MOQ?
A: Usually our MOQ is 1kg. But we can also accept less quantity such as 100g on the condition that the sample charge is 100% paid.
Q4: How to start orders or make payments?
A: PI will be sent first after confirmation of the order, enclosed our bank information. Payment by Paypal, T/T, Western Union, LC, ****** Trade Assurance is OK.
Q5: How do you treat quality complaint?
A: First of all, our quality control will reduce the quality problem to near zero. If there is a real quality problem caused by us, we will send you free goods for replacement or refund your loss.
