Molecular formula: C16H10N2O2

Molecular weight: 262

Nature :This product is dark-blue uniform powdery or granular. It cannot be dissolved in water and common organic solvents such as ethanol and aether, but can be dissolved in hot aniline and melt phthalic anhydride. Its melting point in the closed capillary is 390-392°C, and it begins sublimating slowly at 290°C. It has very good sunburn endurance and application performance.

Appearance :dark-blue uniform powder or granule


 

Use:It is mainly used to dye cotton fibre .The pop "cowboy" clothes mostly are made by indigo blue 

dying longitudinal yarn and white yarn interweaving;It can be used with sulfurated coloring matter;

Also we can get indigo white,bromized indigo blue from it,they are well used in food coloring matter,

biochemistry etc.

1. Low MOQ:  It can meet your promotional business very well.

2. Terms of delivery:  FOB, CIF, CRF.

3. Terms of payment :  L/C, T/T, Western Union,Cash.

4. Port of Loading : Qingdao,Tianjin, Shanghai,China.

5. Time of Delivery:  3 days for samples,1x20fcl within 7 work days.

6. Packing:  Usually 25kg net weight in a kraft bag with insider PE bag,or other Seaworthy Packing  as required.

Shipping



Certification


 

Our Services

• We are a professional manufacturer of Indigo Blue , with best production capacity, best quality assurance and best service.
• Quick response,your inquiry will be replied within 24hours.
• 100% QC inspection Before Shippment.
• When you find any quality problems after receiving the goods, you can contact us. We will process and reply to you within 12 hours.

FAQ

1. Q: What's your advantage? Why choose you? 

A: More than 10 years experienced of production and R&D for Indigo Blue . We have the most professional techniques and team. Great production capacity Sustainable Supply. According to customer requirements, we support the customized.

2. Q: What's the payment?

A: T/T would be better with quick transfer and few bank. LC could also be accept, but the proceure is complex and the fee is high. You can also use Western Union. For large quantity, sea shipping can be provided.

3. Q: Are you a factory or trading company?

A: We are a professional manufacturer. We are warmly welcome clients from worldwide to visit our factory and cooperate with us.

4. Q: How can i get some samples?

A: We are honored to offer you samples. New clients are expected to pay for the courier cost,the samples are free for you.

5. Q: When can i get the price?

A: We usually quote within 24 hours after we get your inquiry. If you are urgent to get the price, Please tell us in your email so that we will regard your inquiry priority.

6. Q: Where is your factory located?

A: Our factory is located inZhengzhou, China.

7. Q: What is your sample policy?

A: Some of our samples are available for free,while others are available at a cost.