Optical Brightener ER I Optical Brightener For Polyester Cas 13001 39 3

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Product Overview

Description

1,4-Bis(2-cyanostyryl)benzene

CAS:13001-39-3
MF:C24H16N2
MW:332.4
EINECS:235-835-1
Melting point 229-231 °C(Solv: N,N-dimethylformamide (68-12-2))
Boiling point 575.7±50.0 °C(Predicted)
density 1.18±0.1 g/cm3(Predicted)
CAS DataBase Reference13001-39-3(CAS DataBase Reference)
EPA Substance Registry SystemBenzonitrile, 2,2'-(1,4-phenylenedi-2,1-ethenediyl)bis- (13001-39-3)

 ER-1-ob-1 OB-1

Company Information

Sinobio chemistry Co., Ltd. located in Dalian, China who has 2 production sites: one is mainly produce xylenol & its derivative as per the customer demand and another is mainly produce biocide/fungicide and it’s intermediates. Cooperated with Dalian university of technology, we have developed several series of pharma intermediates which has been approved by the customers successfully.

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Why select Sinobio

1, Sinobio company shareholders focus on chemical products’ export for 16 years. Most of our repeat customers have cooperated with us for more than 10 years because of our sincerity and honesty, our competitive product includes but not limited Biocides, Agrochemical chemicals, Speciality chemicals and so on.

2, Our key customers: 

3, We export our products to Euope, Russain and South American regularly.

4, We have our own factories who has got GMP, ISO certification

5, We can supply free sample based on your requirements

6, We have good after-sales system to make sure complete satisfied purchase in China.

Advantages

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Cetificate

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Packaging & Shipping

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FAQ

Q1: Can I get samples?

A:   Yes, we can supply free sample, you pay for the freight charge only.

Q2: How to pay?

A: PI will be sent firstly after our aligned products specification. Payment by Paypal , T/T, Western Union,LC, Alibaba trade assurance are ok

Q3: How is your MOQ

A: Normally speaking, our MOQ is 1kg. But we can also accept less quantity such as 100g on the condition that sample charge is 100% paid.

Q4: How can you guarantee the quality of your products

1. Our staff are all experienced in chemical products or related major background, they are well trained before quotation.

2. Free sample or pre- shipment sample are available for our new cooperation before you place commercial order. We are sure the same specification commercial products as sample to customers

3. Third Party Inspection like SGS can be arranged according to your requirement before shipping.

4. On-Spot QC in our APPROVED associated production bases with necessary certification like GMP, ISO etc.

Q5: How to make sure payment safety

You can pay via Alibaba firstly, when you received product sample, Alibaba then release money to us.

 

contact us

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