Optical brightener BBU CAS No.16470-24-9

• CAS No.: 16470-24-9
• Formula: C40H40N12O16S4Na4
• Appearance: Powder
• Usage: Coating Auxiliary Agents, Paper Chemicals
• Color: Yellow
• Transport Package: in 25kg Carton
• Model NO.: BBU
• Trademark: LEPUZ
• Origin: China
• HS Code: 32042000
• Production Capacity: 5000mt/Year

Product Description

LeColor^® BBU

C.I.220     CAS:16470-24-9

Formula: C₄₀H₄₀N₁₂O₁₆S₄Na₄
Substance name:
tetrasodium4,4'-bis[[4-[bis(2-hydroxyethyl)amino]-6-(4-sulphonatoanilino)-1,3,5-triazin-2-yl]amino]stilbene-2,2'-disulphonate]
Molecular weight: 1165.12 (As international relative Atom Mass 1997)
Max uv absorption wavelength: 350nm
Character: Show anionic character and optical blue color
Executive standard: HG/T3727-2003

Specifications

Item	Indices
Appearance	Light yellow uniform powder
E value	370
Color Shade	Similar to the standard sample
Whiteness (the deviation with the standard sample)	≥ -3
Moisture content	≤ 5.0%
Content of water-insoluble impurities	≤ 0.5%
Fineness (residual content passed through 250μm-pore sieve)	≤ 10%

      
Property

1. Good water solubility and can be dissolved in 3-5 times boiling water, and its solubility is 300 g per liter in boiling water and 150 g per liter in cooling water.
2. Good resistance to hard water, the ions of Ca²⁺ and Mg²⁺ have no influence on its whitening effect.
3. Good resistance to peroxide bleach agent and containing reductive bleaching agent .
4. General acid-resistance and the optimal applied pH value >7.

Usage

1. Used for cotton fiber and glue fiber.
2. Used in the syrup of discharge pattern of printing color.
3. Used in paper pulp.
4. Used in the process of surface gluing.
5. Used in the process of coating.

Process:(Such as padding dyeing)
Bath temperature is about 60ºC, holding time is about 10-20 minutes, bath ratio is 1:20, vapour steaming about 45 minutes, the dosage is 0.1-0.5%.

Package
Packed in cardboard bucket after being packed in plastic bag first. Net weight per bucket is 25 kg or 50 kg.

Transportation
LeColor^® BBU should avoid sunlight and crash.

Storage
LeColor^® BBU should be stored in cool, dry and ventilate place, and storage peroid should not exceed 2 years.  


 

Packaging & Shipping

Main products

Optical brightener: OB-1   OB   NFW   MDAC(SWN)   KSN   KCB   FP-127   CBS-X

Pigment: Red 122   Yellow 110   Yellow 138   Violet 23   Violet 19

UV Stabilizer: 783   770   944   622   292

Antioxidant: 168   1010   1076   245   425   BHT(264)   2246

UV Absorber: 1577   531   571   234   1130   360   99-2   UV-1   327   328   326   329   

Our Services

Our factory has advanced production and equipments, which can be used for testing and reprocessing to ensure the high quality and meet customers' different requirements, so that we can offer technology consultion for customers.

Cooperated with outstanding shipping agent, we can supply quality and convenient shipping service.

Besides, with professional staves, costomers can receive accurate and timely reply.

Company Information

NANJING LEPUZ CHEMICAL CO., LTD is an ISO-certificated modernized chemical enterprise concentrating on the production, sales and service for plastic and coating additives, fine chemicals and intermediates. Our products are used in plastic and rubber industry ,medical industry, paints, printing inks and etc.

With profound chemistry knowledge and rich experiences, our business team can offer professional customized technical supports and solution for customer's demands.

Welcome to contact us. Hope we can have good cooperation and bright future.

 

FAQ

1. Are you a factory or tarding company?

    Our company concentrates on on the production, sales and service for plastic and coating additives, fine chemicals and intermediates.

2. Where dose your company locate?

    We locate in Nanjing, Jiangsu province of China.

3. Can you provide samples for quality checking before placing an order?

    Samples are avaliable upon request, but the shipping cost should be paid by customer.

4. How to get the price list?

    Please inqire us by alibaba/email.

5. What's your payment term?

    TT/LC/DA/DP/Paypal

6. What's your lead time?

    Aroud two weeks after order.