Hebei Nengqian Chemical Import and Export Co., LTD
Assessed Supplier Enterprise Certification
- Assessed
Supplier - 4th
years
Assessed Supplier Enterprise Certification
Product Certification&
Enterprise Certification
Country: 
China (Mainland)
Business Type:Trading Company
Tel: +86 18732968538
Mobile: +86 18732968538
Tel: +86 18732968538
Fax: 4001020630
URL: https://www.nengqianchemical.com/
Province/state: Hebei
City: Handan
Street: No.1722, Block C, Yangguang Xinzhuo Plaza, 256 Renmin West Road, Fuxing District, Handan City, Hebei Province
MaxCard:
Ms.AnnaCAS NO.57-62-5
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.
| Molar Mass | 478.88 |
| Density | 1.2833 (rough estimate) |
| Melting Point | 168-169° |
| Boling Point | 821.1±65.0 °C(Predicted) |
| Specific Rotation(α) | D23 -275.0° (methanol) |
| Flash Point | 450.372°C |
| Water Solubility | 0.63g/L(25 ºC) |
| Vapor Presure | 0mmHg at 25°C |
| pKa | pKa 3.3 (Uncertain) |
| Storage Condition | 2-8°C |
| Refractive Index | 1.6000 (estimate) |
| Physical and Chemical Properties | Golden crystalline powder, odorless, bitter. Melting point 168-169 °c (decomposition). Very slightly soluble in water, soluble in salt solution. Hydrochloride slightly soluble in methanol, water, ethanol, insoluble in acetone, ether, chloroform. Stable in air, dark color in light. |
| Overview | chlortetracycline, also known as chlortetracycline, its hydrochloride is soluble in water, free base especially calcium salt is difficult to dissolve in water. Tetracycline antibiotics, is found in the culture of Actinomycetes antibacterial substances. Can Kill Rickettsia, Mycoplasma, chlamydia, atypical Mycobacterium and spirochete, suitable for sensitive Staphylococcus aureus, Streptococcus pyogenes, pneumonia Streptococcus and other Gram-positive bacteria and influenza Haemophilus and other sensitive Gram-negative bacteria caused by the treatment of superficial eye infections, but also can be used for other parts of the sensitive bacterial infection treatment. |
| chlortetracycline eye ointment Indications and Usage | conjunctivitis: Commonly known as pink eye disease, after using warm water to remove secretions, apply a little of this product, close eyes and rest for a moment, let the drug play its full role, 3 times a day, 1 time before going to bed at night. Stye: Commonly known as the needle, do not use the hand after the onset of extrusion, in order to avoid other complications. Before the formation of abscess, the effect of hot compress is very good. Hot compress with a hot towel for 20 minutes, then apply chlortetracycline eye ointment, close eyes and rest for a moment. 3 times a day. Erosion of mouth corner: when there is erosion of mouth corner, vitamin B2 can be taken. At the same time, cotton swabs are dipped in warm boiled water to clean the wound, dry and then apply this product to accelerate the healing. It usually improves in 3 days. Swelling: When the nasal mucosa has small swelling pain, you can use cotton wool dipped in chlortetracycline eye ointment applied to the nasal cavity, and slightly Press the nose, promote the absorption of swelling, accelerate healing, other parts of the swelling can also be used. Mouth and hand and foot crack: first wash dry with hot water, then apply a little of this product, hand and foot parts need to be fixed with adhesive, can accelerate wound healing. |
| mechanism of action | chlortetracycline is a fast-acting bacteriostatic agent. After entering the bacteria, it reversibly binds to the receptor on the 30S subunit of the bacterial ribosome, interfering with the binding of tRNA to the receptor on the mRNA-ribosome complex, preventing the extension of the peptide chain and inhibiting protein synthesis, thus, the growth and reproduction of the bacteria are rapidly inhibited. There are two main ways for chlortetracycline to enter the cell: one is passive diffusion through the hydrophilic group of the outer cell membrane; The other is active transport by the inner cell. |
| side effects | after oral administration, it is easy to cause gastrointestinal reactions such as Nausea, Vomit, Diarrhea, etc; in addition, broad-spectrum antibiotics such as chlortetracycline are used for a long time, because sensitive bacteria are eliminated, causing a large number of insensitive bacteria or fungi to multiply, which can lead to double infection of Staphylococcus, Candida and so on. |
| Use | chlortetracycline has inhibitory effect on Gram-positive bacteria and negative bacteria, and can treat typhoid fever, Pullorum and other diseases of livestock and poultry. Also as a growth-promoting agent. For pig feed. For broilers under 10 weeks of age, the dosage is 20-50g/t, and the withdrawal period is 7 days; For pigs under 2 months of age, the dosage is 25-75g/t, and the withdrawal period is 7 days. It is mainly used for the infection of gram-positive cocci and negative bacilli, and also used for the infection of Rickettsia such as typhus and scrub typhus. It is used as feed additive and animal medicine for most Gram-positive bacteria, gram-negative bacteria, Rickettsia, mycoplasma infection has curative effect belongs to antibiotics drugs Tylosin on swine dysentery, swine Pneumonia, swine atrophic rhinitis, chicken chronic respiratory disease, calf Mycoplasma caused by Pneumonia are effective. It can be used for pigs under 4 months of age, the dosage is 10-50g/t, the withdrawal period is 5 days; Pigs under 2 months of age, the dosage is 15-50g/t, the withdrawal period is 5 days; it can also be used for chicken feed, the dosage is 4-50g/t, the withdrawal period is 5 days, and the egg production period is disabled. |
| production method | is produced by fermentation of Streptomyces fradiae. This product is a broad-spectrum antibiotic extracted from the culture broth of golden streptomycin (strep tomyces aureus). produced by Streptomyces aureofacieus fermentation, the fermentation broth is acidified and filtered to obtain precipitate, dissolved in ethanol, and then acid-precipitated to obtain crude product, and then dissolved and formed salt to obtain hydrochloride crystal. |
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.