Best Price Dimeryl Diisocyanate Ddi Liquid CAS 68239-06-5

• Powder: Yes
• Customized: Customized
• Certification: GMP, HSE, ISO 9001, USP, BP
• Suitable for: Elderly, Children, Adult
• State: Solid
• Purity: >99%
• Model NO.: hd2128
• Assay: 99%
• CAS: 68239-06-5
• Application: Pharmaceutical Intermediate
• Appearance: Colorless to Slightly Yellow Liquid
• Certificate: ISO, GMP
• Test Method: HPLC
• Brand Name: Biohorlden
• Sample: Available
• MW: 586.97
• Transport Package: 1kg/Bag, 25kg/Drum
• Specification: 99%
• Trademark: Biohorlden
• Origin: China
• Production Capacity: 1000kg/Month

Product Description

Dimer diisocyanate (DDI) is a unique aliphatic diisocyanate that can be used to prepare polymers with active hydrogen-containing compounds. DDI is a low viscosity liquid that is easily soluble in most polar or non-polar solvents. It is a typical green bio-renewable special isocyanate variety that can be widely used in various fields such as fabric finishing, elastomers, adhesives and sealants, coatings, and inks.

Product Name	Dimeryl Diisocyanate
CAS	68239-06-5
Appearance	Colorless to slightly yellow liquid
Molecular Weight	586.97
Purity	99% min
Storage	Keep in a cool, dry, dark location in a tightly sealed container or cylinder
Shelf Life	24 Months

Items		Specifications	Results
Characters		Colorless to slightly yellow liquid	Complies
Identification		Positive	Complies
PH		5.0~6.0	5.2
Realated substances		A:Sum of dermantan sulfate and chondroitin sulfate:≤2.0% B:Any other impurity Free	Complies Complies
Heavy metals		≤10ppm	Complies
Loss on drying		≤0.5%	0.12%
Sulphated ash		≤0.1%	0.05%

Dimer diisocyanate (DDI) can be used to prepare polyurethane (urea) elastomers with special properties, fabric surface finishing, adhesives and sealants, water repellents for paper, leather and fabrics, wood anti-corrosion treatment, electrical appliance potting, etc. .
1. DDI has promising application prospects in the treatment of water-repellent and softening properties of fabrics. It is easy to form a stable aqueous emulsion with water, which can make fabrics soft and supple for a long time; as a fabric water-repellent agent, it has a good water-repellent effect, and it has an obvious effect on improving fluoride-based fabric water- and oil-repellent agents.
2. Polyurethane resin and polyurea resin made of dimer diisocyanate (DDI) have good elasticity and ductility, high strength, low water sensitivity, wear resistance, chemical solvent resistance and low temperature resistance. It also does not turn yellow.
3. Dimer diisocyanate (DDI) and hydroxyl-terminated polybutadiene (HTPB) are compatible and reactive. The polymer prepared without plasticizer has better low hardness than usual.
4. DDI-based polyurea coating has good bonding effect with metal and wood without cracks, showing good weather resistance, tensile properties and bonding properties. 

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Xi'an Biohorlden Industry&Trade Co.,Ltd is a national key high-tech enterprise,which mainly specializes in the R&D, operation and production of pharmaceuticals,and intermediates.Our company is situated in E&T development zone,xi'an city shaanxi,it is easy of access. Our company has independent R&D center,raw material synthesis workshop, has advanced quality instruments and equipmentm,several product patents there are 15 experts in our research team.We insist in innovation and produce high quality products.

1.Are you a manufacturer or trade company?

We are a professional manufacturer.

2.What's your payment terms?

Standard terms: T/T in advance and Western Union.

Also L/C at sight is acceptable for large amount.

3.What's your shipping time?

We have a large stock, which means we can deliver the goods to you immediately.

4.How do you ensure the quality of your products?

Strict QC with 6 steps testing from raw material purchase to finished product.

5.How do you ship the order normally?

For large qty order,ship the goods by sea.

For small qty order, by air or express. We supply optional express for you, including DHL,FEDEX,UPS,TXT,EMS,and so on.

6.What's your loading port?

Usually Shanghai, Qingdao, Tianjin, Guangzhou