China Sell 2, 5-Thiophenedicarboxylic Acid CAS 4282-31-9

• Customization: Available
• CAS No.: 4282-31-9
• Formula: C6h4o4s
• Model NO.: 4282-31-9
• EINECS: 224-284-2
• Appearance: Powder
• Grade Standard: Industrial Grade
• Package: 25kg Drum
• MOQ: 1kg
• Shipping: by FedEx, by Air, by Sea
• Name: 4282-31-9
• Type 1: 2,5-Thiophenedicarboxylic Acid
• Type 2: 2,5-Thiophenedicarboxylic Acid
• Form: White Crystals Powder
• Keywords 1: 2,5-Thiophenedicarboxylic Acid
• Keywords 2: CAS 4282-31-9
• Keywords 3: 2,5-Thiophenedicarboxylic Acid
• Keywords 4: 2,5-Thiophenedicarboxylic Acid
• Keywords 5: CAS 4282-31-9
• Keywords 6: 2,5-Thiophenedicarboxylic Acid
• Keywords 7: CAS 4282-31-9
• Keywords 8: CAS 4282-31-9
• Transport Package: 25kg Drum
• Specification: 99%
• Trademark: chuanghai
• Origin: China
• HS Code: 29319090
• Production Capacity: 10000kg/Month

Product Description

China sell 2,5-Thiophenedicarboxylic acid

 

Product Description

 

 

      

 

 

Product Name
CAS NO.	4282-31-9
MF	C6H4O4S
Appearance	White Powder
Purity	≥ 99%
Melting Point	>300 °C (lit.)
Boiling Point	272.46°C (rough estimate)
Density	1.473
Packaging	25kg fiber drum, or per customer request.

  Specification COA : 

 

Inspection items	Standard	Results
Appearance	White crystalline powder	Conforms
(IR)	Should be conform to the structure	Conforms
NMR Determination	Should be conform to the structure	Complies
Loss On Drying	0.5%(0.5% Max)	0.16%
Assay	99.5%(99.5% Min)	99.54%
Conclusion	The result confirm the enterprise standard

2,5-Thiophenedicarboxylic acid Application :

Fluorescent whitening agent EBF can be prepared by condensation of the product with o-aminophenol. This whitening agent can be used in nylon, polyester, polypropylene, chlorinated fiber and triacetate fiber, and is a product with excellent performance


 

 

Packaging & Shipping

2,5-Thiophenedicarboxylic acid is packaged in 25kg drum
2,5-Thiophenedicarboxylic acid shipping by air, by sea , by air express like Fedex , DHL, UPS 

Product name	Package	shipping
2,5-Thiophenedicarboxylic acid	25kg drum	by air, by sea , by air express like Fedex , DHL, UPS

 

 

Company Profile

Hebei Chuanghai Biotechnology Co., Ltd. We specialize in the production and supply of chemicals for various industries.

Our chemicals are carefully formulated to meet the high standards of quality, efficiency, and safety. With our advanced technology and strict quality control measures, we ensure that our products deliver exceptional performance and reliability.

Whether you require chemicals for pharmaceutical, agricultural, or industrial applications, we have a wide range of solutions to meet your specific needs. We are committed to providing excellent customer service and look forward to establishing a long-lasting business relationship with you.
 

Our main products

 

 

Our Advantages

1.High quality with competitive price.
2. All purity>99%.
3. We are manufacturer and can provide high quality products with factory price.
4.Fast and safe delivery.
5. OEM is welcome 
6. Enough stock 

FAQ

Q1: About the after-sale service of products
A: After purchasing the products from our factory, we have A professional technical team and after-sales team to serve you and solve all your problems in the future.

Q2: Can I get some samples?
A: Yes, we can provide samples, but the customer will pay the freight.

Q3: How do I start paying?
Payment can be made by wire transfer or western union or paypal,visa, mastercard, T/T, apple_pay, google_pay, gc_real_time_bank_transfer , etc.

Q4: How to confirm product quality before placing an order?
A: You can get free samples of some products. You just have to pay the shipping fee or arrange for the sample to be sent to us by express.
You can send us your product specifications and requirements and we will produce products according to your requirements.

Q5: What is your MOQ?
A: The minimum quantity we can order is 1kg.
But usually we can accept a smaller quantity, say 100g, at the cost of 100% sample charge.

Q6: Shipping Time?
A: We ship the parcel out in 1-2 days and offer tracking No.. Shipping time is different to different country. Please consult