Yanxi 3, 3′-Diamino Diphenyl Sulfone (DDS) CAS 599-61-1

• CAS No.: 599-61-1
• Formula: C12h12n2o2s
• EINECS: 209-967-5
• Type: Pharmaceutical Intermediates
• Appearance: Powder
• Quality: Industrial
• Model NO.: YX-20240415
• Colour: White
• Key Word: 3, 3′-Sulfonyldianiline
• Molecular Formula: C12h12n2o2s
• Molecular Weight: 248.30100
• Exact Mass: 248.06200
• Psa: 94.56000
• Logp: 3.92700
• Appearance and Properties: White Powder
• Density: 1.361 g/cm3
• Boiling Point: 542.8 °c at 760 Mmhg
• Melting Point: 170-173 °c(Lit.)
• Flash Point: 282.1 °c
• Water Solubility: Slightly Soluble
• Stability: Stable Under Normal Temperatures and Pressures.
• Storage Conditions: Store in a Tightly Closed Container.
• Delivery: Within 5-7 Days
• Transport Package: 25kg/Bag or Drum
• Specification: 25Kg/bag or drum
• Trademark: YANXI
• Origin: China Shandong
• HS Code: 29309070
• Production Capacity: 30 Metric Ton/Month

Product Description

Product Description

Yanxi 3,3'-Diamino Diphenyl Sulfone (DDS) CAS 599-61-1
 

Product description:Bis(3-Aminophenyl) Sulfone is an impurity of Dapson, an antibacterial used in the treatment of dermatitis herpetiformis.
 

Melting point	256-258 °C (subl.)(lit.)
Boiling point	211.78°C (rough estimate)
density	0.8709 (rough estimate)
refractive index	1.4993 (estimate)
storage temp.	Sealed in dry,Room Temperature
solubility	0.1 g/mL, clear
form	Crystalline Powder
color	White to off-white

Appearance and properties: white or yellowish crystalline powder, odorless, slightly bitter, almost insoluble in water, slightly soluble in ethanol, easily soluble in dilute inorganic acid. Discoloration in light melting point: 170-173 °C

Melting point: 170-173 °C(lit.)

Water solubility: slightly soluble

Stability: Stable under normal temperatures and pressures.

Storage conditions: Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.

Usage

This product is mainly used as curing agent of epoxy resin. The use of this product of epoxy resin, its mechanical properties, electrical properties, resistance can be improved. This product is especially suitable for electrical insulation materials with heat resistance requirements, and is also used for heat resistant resins and other organic synthesis. The fiber made of this product and the polycondensation of p-benzoyl chloride, the fiber strength is 0 ~ 5g/d; Elongation 20% ~ 25%; The initial modulus is 760kg/mm2; The density is 416g/cm3.

DDS is used in the production of epoxy resin curing agent and aromatic sulfone fiber.Bis(3-Aminophenyl) Sulfone is an impurity of Dapson, an antibacterial used in the treatment of dermatitis herpetiformis.

Specification
 

Item	Specification
Appearance	White crystalline or powder
Purity (HPLC)	≥99.0%
Melting point	≥171ºC
Loss on Drying	≤0.5%

Detailed Photos

 

Packaging & Shipping

 

1kg/aluminium foil bag, with two plastic bags inside.

25kg/fiber drum, with two plastic bags inside.

≤50kg, Express delivery recommended, usually called as DDU service;

≤500kg,Air shipping recommended, usually called as CIF service;

>500kg, sea shipping recommended, usually called as FOB, CFR, or CIF service;

For high value products, please select air shipping and express delivery for safety.

 

 

Company Profile

Yanxi (shandong) New Material Co.,LTD is a professional research and development of the production of lead diacetate trihydrate, 2-

phenylethylamide enterprises.  The key members of the company are established by local well-known entrepreneurs and professional engineers

under the call and support of the party's "low-carbon environmental protection, safety and stability".  under the innovation in traditional

production equipment and technology, the use of "high temperature cooling" and "plastic basin crystallization" technology, on the basis of

reducing the cost of products to make the quality of products to the same industry.  With the efforts of all the staff of the company, we have

established many cooperative companies in Shan Dong, He Nan, Guang Dong and other places in recent decades.

Our Advantages

1. Top quality materials with competitive price;

2. Large capacity of stable materials supply;

3. Safety and fast shipment by express/air/sea;

4. Sample order acceptable;

5. Professional and great packing as customized;

6. Convenient payment terms by T/T, Credit Card and online order;

7. Reply inquiries in time 

FAQ

Q1: Are you trading company or manufacturer?
A1: We are chemical factory in China. So we can provide wholesale price.

Q2: How can I get the samples?
A2: We can provide you sample for our existing products, the lead time is about 1-5 days.You just need to pay the sample

Q3: Can you provide relevant certificate?
A3: Of course. We can provide Commercial Invoice, Packing List, Bill of loading, COA and Origin certificate.

Q4: Do you accept third party inspection?
A4: Yes.we do.

Q5: How long is your delivery time?
A5: Generally it is with 7 days if the goods are in stock. According to quantity your required,the delivery time may slightly change.

Q6: What's your terms of payment?
A6: We can accept various payment methods, L/C, T/T, Paypal, Western Union etc.

Q7: Can your company accept the special requirements of your customers?
A7: Of course, we can.