4,4′-Diisocyanato-3,3′-Dimethylbiphenyl (TODI) CAS 91-97-4 Assay ≥98.0% (HPLC)

Short Description:

Name: 4,4′-Diisocyanato-3,3′-Dimethylbiphenyl

Synonyms: TODI 

CAS: 91-97-4

Assay: ≥98.0% (HPLC)

Appearance: White to Off-White Powder 

Contact: Dr. Alvin Huang

Mobile/Wechat/WhatsApp: +86-15026746401

E-Mail: alvin@ruifuchem.com


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91-97-4 - Description:

Shanghai Ruifu Chemical Co., Ltd. is the leading manufacturer of 4,4'-Diisocyanato-3,3'-Dimethylbiphenyl (TODI) (CAS: 91-97-4) with high quality. Ruifu Chemical has been supplying TODI more than 15 years.
Ruifu Chemical can provide worldwide delivery, competitive price, excellent service.
Purchase 4,4'-Diisocyanato-3,3'-Dimethylbiphenyl (TODI), please contact us by e-mail: alvin@ruifuchem.com

91-97-4 - Chemical Properties:

Chemical Name 4,4'-Diisocyanato-3,3'-Dimethylbiphenyl
Synonyms TODI; 3,3'-Dimethyl-4,4'-Biphenylene Diisocyanate; 3,3'-Dimethylbiphenyl-4,4'-Diyl Diisocyanate; o-Tolidine Diisocyanate
Stock Status In Stock, Commercial Production
CAS Number 91-97-4
Molecular Formula C16H12N2O2
Molecular Weight 264.28 g/mol
Melting Point 70.0-72.0℃ 
Store Under Inert Gas Store Under Inert Gas
Sensitive Moisture Sensitive, Heat Sensitive 
Solubility  Soluble in Toluene
Storage Temperature Store Long-Term at 2-8℃
COA & MSDS Available
Origin of Product    Shanghai, China
Product Categories
Isocyanates; Pharmaceutical Intermediates
Brand Ruifu Chemical

91-97-4 - Specifications:

Items Specifications  Results
Appearance White to Off-White Powder  White Powder   
Melting Point 70.0-72.0℃ 70.8-71.6℃
Loss on Drying ≤0.50% 0.21%
Assay / Analysis Method ≥98.0% (HPLC)  99.65%
1H NMR Spectrum Conforms to Structure   Conforms   
Conclusion The product has been tested and complies with the given specifications

91-97-4 - Package/Storage/Shipping:

Package: Fluorinated bottle, Aluminium foil bag, 25kg/cardboard drum, or according to customer's requirement.
Storage Condition: Keep the container tightly closed. Store in a cool, dry (2-8℃) and well-ventilated warehouse away from incompatible substances. Keep away from sunshine; avoid fire and heat sources; avoid moisture.
Shipping: Deliver to worldwide by air, by FedEx / DHL Express. Provide fast and reliable delivery. 

91-97-4 - Advantages:

Sufficient Capacity: Sufficient facilities and technicians

Professional Service: One stop purchasing service

OEM Package: Custom package and label available

Fast Delivery: If within stock, three days delivery guaranteed

Stable Supply: Maintain reasonable stock    

Technical Support: Technology solution available

Custom Synthesis Service: Ranged from grams to kilos

High Quality: Established a complete quality assurance system

91-97-4 - FAQ:

How to Purchase? Please contact Dr. Alvin Huang: sales@ruifuchem.com or alvin@ruifuchem.com 

15 Years Experience? We have more than 15 years of experience in the manufacture and export of a wide range of high quality pharmaceutical intermediates or fine chemicals.

Main Markets? Sell to domestic market, North America, Europe, India, Korea, Japanese, Australia, etc.

Advantages? Superior quality, affordable price, professional services and technical support, fast delivery.

Quality AssuranceStrict quality control system. Professional equipment for analysis include NMR, LC-MS, GC, HPLC, ICP-MS, UV, IR, OR, K.F, ROI, LOD, MP, Clarity, Solubility, Microbial limit test, etc.

SamplesMost products provide free samples for quality evaluation, shipping cost should be paid by customers.

Factory AuditFactory audit welcome. Please make an appointment in advance.

MOQ? No MOQ. Small order is acceptable.

Delivery Time? If within stock, three days delivery guaranteed.

TransportationBy Express (FedEx, DHL), by Air, by Sea.

Documents? After sales service: COA, MOA, ROS, MSDS, etc. can be provided.

Custom SynthesisCan provide custom synthesis services to best fit your research needs.

Payment TermsProforma invoice will be sent first after confirmation of order, enclosed our bank information. Payment by T/T (Telex Transfer), PayPal, Western Union, etc. 

91-97-4 - Risk and Safety:

RTECS DV3960000
HS Code 2929 1090.00                       

91-97-4 - Application:

4,4'-Diisocyanato-3,3'-Dimethylbiphenyl (TODI) (CAS: 91-97-4) is used as a pharmaceutical and chemical intermediate. TODI is used in the production of polyurethane foams, coatings, and adhesives. TODI is also used as an intermediate in the synthesis of other isocyanates.

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