Hebei Nengqian Chemical Import and Export Co., LTD
Assessed Supplier
- Assessed
Supplier - 4th
years
Assessed Supplier
Product Certification&
Enterprise Certification
Country: 
China (Mainland)
Business Type:Trading Company
Tel: 86-139-10575315
Tel: +86 15632961819
Tel: +86 18233902561
Tel: +86 15717685612
Tel: +86 16630923639
Tel: +86 18732968538
Tel: +86 18833033983
Tel: +86 19831957301
Mobile: +86 19831957301
Tel: 86-139-10575315
Fax: 4001020630
URL: https://www.nengqianchemical.com/
Province/state: Hebei
City: Handan
Street: Congtai District, La Defense North
MaxCard:
Ms.AnnaCAS NO.57817-89-7
Pharmaceutical grade(1-50)KilogramPharmaceutical grade(51-99)Kilogram
Our Advantage
Rich Experience
Our products are sold all over Europe,North&South America, Sino-East, Asia and pacific area as well as Africa,we establish long term.
Quality service
Company cooperates with research institutes. We strictly control the process of raw materials up to finished product.
24 hour service
Quick and clear response to customers questions. Warm after sale service, we will help to solve the problems in your usage.
High quality
Dedicated to serving customers first, we provide reasonable prices, high quality products.
1) Standard:BP/USP/EP/Enterprise standard
2) All Purity≥99%
3) We are manufacturer and can provide high quality products with factory price.
2, Fast and safe delivery
1) Parcel can be sent out in 24 hours after payment.Tracking number available
2) Secure and discreet shipment.Various transportation methods for your choice.
3) Customs pass rate ≥99%
4) We have our own agent/remailer/distributor who can help us ship our products very fast and safe,
and we have stock in there for transferring.
| Density | 1.53±0.1 g/cm3(Predicted) |
| Melting Point | 198°C |
| Boling Point | 963.3±65.0 °C(Predicted) |
| Specific Rotation(α) | D25 -39.3° (c = 5.7 in H2O) |
| Flash Point | 290.3°C |
| Solubility | Soluble in water |
| Vapor Presure | 0mmHg at 25°C |
| Appearance | White to yellowish crystalline powder |
| Color | white |
| Merck | 14,8810 |
| pKa | 12.51±0.70(Predicted) |
| Storage Condition | Sealed in dry,2-8°C |
| Sensitive | Easily absorbing moisture |
| Refractive Index | -39.3 ° (C=6, H2O) |
| MDL | MFCD00079561 |
| Physical and Chemical Properties | White to yellowish crystalline powder. Melting Point 198 °c. 1g of the product is soluble in 800ml water, ethanol-soluble. The optical rotation [α]20/D was -39.3 °(C = 5.7,H2O). Quickly wet in the air. High temperature, in acidic and alkaline solution is relatively stable. |
| Use | Used as a food flavor agent, especially suitable for hypertension, diabetes, obesity, heart disease, dental caries, etc |
absorbance of impurities
take this product, precision weighing, adding water to dissolve and quantitatively dilute to make a solution containing 20.0 mg per lm l. UV-visible spectrophotometry (General 0401) at the wavelength of 370mn, absorbance should not be greater than 0. 10.
acidity
take 0.50g of this product, add 20ml of neutral ethanol (neutral to phenolphthalein indicator solution), shake to dissolve, add 1 drop of phenolphthalein indicator solution, and use sodium hydroxide titration solution (0. lm o l/L) titrated to red color and did not fade in 10 seconds, consuming sodium hydroxide titration solution (0. lm o l/L) must not pass 0. 5ml.
loss on drying
take this product, dry to constant weight at 105°C, weight loss shall not exceed 5.0% (General rule 0831).
ignition residue
The l.O g of this product shall be taken for inspection according to law (General rule 0841), and the remaining residue shall not exceed.
Heavy metals
The residue left under the item of burning and flooding shall not contain more than 20 parts per million of heavy metals for examination by law (General rule 0821, Law II).
arsenic salt
take this product l.O g, add 10ml nitric acid to infiltrate the sample, place for a moment, add several glass beads, slowly heat, after the effect is relieved, slightly cold, add 5ml sulfuric acid along the bottle wall, then slowly heat, the solution in the bottle began to turn red-brown, keep slightly boiling, and added 2-3ml of nitric acid Dropwise, every time, until the solution was colorless or light yellow, continued to heat for 5 minutes, cooled, and added 10ml of water, boil to produce white smoke, cool, slowly add appropriate amount of water to make 0822, according to law inspection (General Principles 0.0002% the first law), should comply with the provisions ().
Product Packaging：
1) 1kg/bag (1kg net weight, 1.1kg gross weight, packed in an aluminum foil bag)
2) 25kg/drum (25kg net weight, 28kg gross weight; Packed in a cardboard-drum with two plastic-bags inside; Drum Size: 510mm high, 360mm diameter)
Storage：
Stored in a cool and dry well-closed container. Keep away from moisture and strong light/heat.
Delivery：
Usually within3-5 working days after full payment.
transport：
EMS,DHL, TNT, UPS ,FEDEX, BY AIR, BY SEA
DHL Express, FedEx and EMS for quantity less than 50KG, usually called as DDU service;
Sea shipping for quantity over 500KG; And air shipping is available for 50KG above;
For high value products, please select air shipping and DHL express for safe;
Our Service:
1. Fast Delivery: We can delivery within 24 hours upon receipt of your payment.
2. Quality can be promised. Hot sell to Worldwide.
3. Payment Terms: T/T,, t/t
4. Free Sample available at any time.
5. Tracking your order at any time. Inform your order's further new situation at any time.
6. Package: Professional packing with professional materials.
Packing:
1. Inner double plastic bags----25kg/Fiber drum (35*35*45cm, GW: 28kg, NW: 25kg);
2. Inner double plastic bags----5kg/Aluminum foil bag (GW: 6.5kg, NW: 5kg).
3. Inner double plastic bags----1kg/Aluminum foil bag (GW: 1.5kg, NW: 1kg).
P.S.: we accept packaging customization.
Delivery:
1. Stock products are normally shipping within 3 working days.
2. For rush delivery, please contact our sales team for particular arrangement.
Shipping Details:
1. We ship goods via DHL, Fedex, UPS, TNT, China post, NL Post and other couriers, weight from 10g to 1000kg or even bulker.
2. Shipping details & shipping documents will be provided and sent by email.
3. We keep tracking the shippment until clients well received.
4. After years export shipping experience, with professional and experienced cooperated forwarders, we ensure that goods can be delivered in multiple ways safetly and efficiently.
About us
Our company specializes in processing and selling chemical raw materials, chemical products, pharmaceutical intermediates, veterinary medicine intermediates, dye intermediates, pigments, cosmetics raw materials and chemical reagents,
We have compalete sales and service team , information feedback vertical integration of a sound marketing network, products are sold throughout the country and exported to South Asia, Europe, America, Africa and other more than 20 countries and regions.
Companies adhering to the "pursuit of quality, innovation and development" business philosophy, to serve as a foundation, for the survival by the quality, seek development by science and technology, adhere to quilty comes first,fair price,good sense of customer service and responsibility. in the future hebei Nengqian import and export trade Co.,Ltd will always hold "integrity, innovation" business philosophy, to achieve honesty management, on the way of specialization, internationalization, Keep moving!
FAQ:
1. Are you a trade company or factory
We are a factory with our own trading company.
2.How do you control the quality
Our factory is equipped with professional technicians to control quality, out inspectors take sample for testing every 2 hours to ensure the quality of our production. We also accept BV, SGS or any other Third-party inspection.
3. How long is lead time
We deliver goods within 3 days for small order, 7-10 days for bulk order.
4. Where is your factory located How can I visit the factory
Our factory located in HEBEI, China.
5. Can i get some samples
Yes, we can supply free sample, but the shipping cost be paid by our customers.
6. How to start orders or make payments
Proforma invoice will be sent first after confirmation of order, enclosed our bank information.Payment by T/T,
7. How to confirm the Product Quality before placing orders
You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the samples.
You can send us your product specifications and requests,we will manufacture the products according to your requests.
8. How long is lead time
We deliver goods within 3 days for small order, 7-10 days for bulk order.
9. How do you treat quality complaint
First of all, our quality control will reduce the quality problem to near zero. If there is a realquality problem caused by us, we will send you free goods for replacement or refund your loss.