Organic Intermediate 4, 4-Oxydiphthalic Anhydride /Odpa CAS 1823-59-2

• CAS No.: 1823-59-2
• Formula: C16h6o7
• EINECS: 219-348-1
• Type: Pharmaceutical Intermediates
• Appearance: Powder
• Quality: Technical
• Model NO.: YX202401-25
• Colour: White
• Key Word: 4, 4-Oxydiphthalic Anhydride
• Molecular Formula: C16h6o7
• Molecular Weight: 310.21500
• Exact Mass: 310.01100
• Psa: 95.97000
• Logp: 2.10010
• Density: 1.665 g/cm3
• Boiling Point: 577.7ºC at 760 Mmhg
• Melting Point: 225-229 °c(Lit.)
• Flash Point: 260.7ºC
• Refractive Index: 1.694
• MOQ: 1kg
• Shelf Life: 2 Years
• Transport Package: 25kg/Bag or Drum
• Specification: 25Kg/bag or drum
• Trademark: YANXI
• Origin: China Shandong
• HS Code: 2907151000
• Production Capacity: 100 Metric Ton/Month

Product Description

Product Description

Organic Intermediate 4, 4-Oxydiphthalic Anhydride  /Odpa  CAS 1823-59-2

Chemical Name:4,4′-Oxydiphthalic anhydride / ODPA

CAS No.:1823-59-2

Molecular Formula: C16H6O7

Density: 1.696g/mL at 25°C(lit.)

Boiling point: 162°C(lit.)

Molecular Weight: 310.21

Appearance: White powder

 

4,4'-Oxydiphthalic anhydride Basic information
Product Name:	4,4'-Oxydiphthalic anhydride
CAS:	1823-59-2
MF:	C16H6O7
MW:	310.21
EINECS:	412-830-4
Mol File:	1823-59-2.mol
4,4'-Oxydiphthalic anhydride Chemical Properties
Melting point	225-229 °C(lit.)
Boiling point	410.39°C (rough estimate)
density	1.4942 (rough estimate)
refractive index	1.6380 (estimate)
InChIKey	QQGYZOYWNCKGEK-UHFFFAOYSA-N
CAS DataBase Reference	1823-59-2(CAS DataBase Reference)
NIST Chemistry Reference	Bis-(3-phthalyl anhydride) ether(1823-59-2)
EPA Substance Registry System	1,3-Isobenzofurandione, 5,5'-oxybis- (1823-59-2)

 

Item	Specification	Result
Appearance	Off-white to white powder	Conforms
Assay	≥99.0%	99.65%
Melting point	188-192ºC	189.1-189.6ºC
Conclusion	Qualified

 

Function

 

1. Used in the manufacture of polyester fibers, polyester electrical appliances, unsaturated

2. It has a wide range of uses and is known as the strongest organic acid.

3. It is an omnipotent synthetic tool.

4. It has strong corrosiveness and hygroscopicity and is widely used in medicine, the chemical industry, and other industries, such as nucleosides, antibiotics, steroids, proteins, carbohydrates, vitamin synthesis, silicone rubber modification, etc.

 

 

Detailed Photos

 

 

Packaging & Shipping

 

Packing :	1kg/bag ,25kg/bag;25kg/drum; according to your requirements
Transit:	Fedex, TNT,DHL,EMS,and so on.
Port:	Shanghai/Tianjin/Dalian/Beijing/Xi'an
Lead Time :	3-5 working days upon received the payment
For mass orders, it will be delivered by air or sea. Depending on your location, please allow 1-5 business days for your order to arrive. For small order, please expect 3-7 days by UPS DHL EMS. For mass order, please allow 5-8 days by Air, 15-30 days by Sea.

 

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) One to one business communication.

2) Any inquiries will be replied within 12 hours.

3) We offer convenient one-station purchasing service.Our professionaland thoughtful after-sales service eliminates your worries.

4) We has 10 years' exporting experience in active pharmaceutical ingredient products.,Strictly on selecting raw materials.

5) OEM/ODM Available.

6) Reasonable & competitive price, fast lead time.

7) Sample is available for your evaluation & Formulation development.

8) Faster delivery: Sample order in stock and 3-5 workdays for bulk production.

9) Excellent after-sale service.

FAQ

Q1: What's your MOQ?
A:It depends on different products,we can accept sample order or provide free sample for your test.

Q2:How about delivery leadtime?
A:Delivery lead time: About 3-5 days after payment confirmed.  (Chinese holiday not included)

Q3: Is there a discount?
A:Different quantity has different discount.

Q4:How to start orders or make payments?
A:Proforma invoice will be sent first after confirmation of order, enclosed our bank information.  Payment by T/T, Western Union or Bitcoin.

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.

Q6. Do you test all your goods before delivery?
A:Yes, we have 100% test before delivery,International Authorized Third-Party Test for the products if you need are highly welcomed.