Fluorescent Brightener for Laundry Detergent Industry

• CAS No.: CAS: 27344-41-8
• Formula: C28h18n2o2
• EINECS: 216-245-3
• Colour: White, Green
• Appearance: Powder
• Usage: Paint, Ceramic, Cosmetic, Plastic, Leather, Ink, Paper, Textile, Food, Rubber Auxiliary Agents, Plastic Auxiliary Agents,
• Model NO.: pigment 001
• Application Material: Rubber Auxiliary Agents, Plastic Auxiliary Agents,
• Type: Natural
• Solubility: Solubility
• Composition: Oxide
• Yellow Pigments: Iron Oxide Yellow
• Green Pigments: Chrome Oxide Green
• Blue Pigments: Iron Blue
• Name: 4,4′-Bis(2-Benzoxazolyl)Stilbene
• Purity: >99%
• Feature: High Temperature Resistance
• Melting Point: 358ºC----363ºC
• Mesh Number: ≥1000
• Molecular Weight: 414.4
• Fusing Point: 353-359ºC
• Transport Package: 25kgs Per Bag
• Specification: 25kg
• Origin: China
• HS Code: 3204200000
• Production Capacity: 10000

Product Description

 

Product Description

 

Appearance	Greenish-yellow color micro granular materials
Molecular Weight	562.6 g/mol
Odor	No peculiar smell
pH value	7-8
Moisture	≤5%
Solubility at 70ºC	Clear
Absorbance UV VIS Spectroscopy 7.5 MG/L Water 349NM.10MM	0.829 -0.885
Absorption 1% /dil/ 1cm UV-VIS	1105-1181
Shelf life/Retest	24 months
Melting Point	>300°C (dec.)
Density	1.414g/cm3 (25 ºC) in standard state (at 25 ºC[77 °F], 100 kPa)
Water solubility	25 g L−1 at 25 °C

 

Products Application

Standard dosage in detergents:

• Powder detergent: 0.05-0.25% (home care)
• Liquid detergent: 0.05-0.10% (home care)
• Bar soap: 0.02-0.10%
• Softeners: 0.02-0.05%

Production

Factory

Established in 2015, Hebei Best New Material Technology Company is a direct manufacturer of chemical raw material , including optical brightener(0B,OB-1,FR127 CBS-X,0B-3,OB-C,ER-V,EBF,KSN,).

We have our own clean workshop, independent laboratory, disinfection workshop, etc, providing various special chemicals according to customers' requirements.

We have established good and reliable business
relationship with many well-known companies all over the world relying on good reputation and
high-quality service.

Optical Brightener Hebei BEST OB is highly effective in polymer substrates such as engineering plastics, PE PC, PVC, PS, ABS, and PP, adhesive and other organic substrates. Main applications include fiber,plastic/textile/detergent/Paper, molded article, film and sheet. And also can be used in clear lacquers, pigmented lacquers, paints, printing ink and synthetic leather. Hebei Best OB features excellent resistance to heat, exceptional whitening properties, good properties, good light fastness and low volatility.

Packaging & Shipping

 

 

Certifications

FAQ

 

Q1: How to confirm the Product Quality before placing orders?

A1:You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the samples. You can send us your product specifications and requests,we will manufacture the products according to your requests.

Q2:Is there a discount?

A2:Different quantity has different discount.

Q3: Can you provide samples for quality checking before placing an order?

A3: Samples are avaliable upon request, but the shipping cost should be paid by customer.
Q4:Which port can I choose?

A4:Zhengzhou,Tianjin, Qingdao or Shanghai Ports can be, depending on you.
Q5: Can you customize products?

A5: Yes, we can.
Q6: How about delivery leadtime?

A6:Delivery lead time: About 3-5 days after payment confirmed. (Chinese holiday not included)