Contact

E-mail: sales3@hbouhuang.com

WhatsApp/Signal/Telegram: +86 17764183163

Product Introduction

Product Name: 2,2'-DIBROMO-9,9'-SPIROBIFLUORENE

Cas No.: 67665-47-8

Density 1.7±0.1 g/cm3

Boiling Point 557.4±50.0 °C at 760 mmHg

Melting Point 240°C(lit.)

Molecular Formula C25H14Br2

Molecular Weight 474.187

Flash Point 335.1±29.4 °C

Exact Mass 471.946198

LogP 8.04

Vapour Pressure 0.0±1.5 mmHg at 25°C

Index of Refraction 1.804

Packing & Shipping

1. Packing: 25kg/bag or drum, 170kg/drum.

2. Storage: Keep the storage unit sealed, stored in a cool, dry place, and ensure that the work room has good ventilation or exhaust.

3. Transportation: This product is non-toxic and harmless, non-flammable and explosive dangerous goods. It can be transported by automobile, sea and car. Less carload, vehicle is not limited, agent consignment.  

About Us

We are Ouhuang Engineering Materials (Hubei) Co., Ltd.Our company mainly produces and sells various water-based environmentally friendly resins (water-based resin powder, water-based rosin resin, water-based terpene tree, etc.), various water-based environmentally friendly latex (water-based thickened emulsion, water-based air-butyl latex, water-based butyl latex, etc.) , and various environmentally friendly additives (defoamer, thickener, antioxidant, dispersant).High-end product quality and sincere sales service are our tenets.We are willing to provide you with professional services in the areas we are familiar with and look forward to your consultation.

FAQ

1. Are you a manufacturer or trading company?

A: We are a manufacturer and welcome to visit our factory.
 
2. How to confirm the product quality before placing an order?
A: We can provide you with the sample. Also, we have the inspection report issued by the authoritative third-party testing agency.
 
3: What's your MOQ?
A:  It depends on different products. We accept sample orders. Also for some products, we can provide you with a free sample.
 
4:Do you provide after-sales service?
A: We provide 24-hour customer service. If you encounter any product quality problems or transportation problems, please feel free to contact us.
 
5:How about delivery time and method?
A: We usually ship within 3-5 working days after payments. 
We can make ships by sea, air, and express. Also can make door-to-door shipping. 
 
6:How to solve the after-sale disputes?
A: We accept changing or refunding services if there is any quality problem.