What payment terms are accepted?

We accept LC, T/T, D/P, Western Union, and Money Gram.

What is the average lead time for orders?

The average lead time is within 15 workdays, regardless of peak or off-peak seasons.

Is this product customizable?

The product is an industrial grade synthetic powder with specific parameters like 97-103% fluorescent intensity and 348nm max UV absorption. It is not described as having customizable shape or grade beyond these standard industrial specifications.

CAS No 27344-41-8 (BA) Optical Brightener

Name: CAS No 27344-41-8 (BA) Optical Brightener
Brand: LK (NANJING) CO., LTD.
SKU: 1966792965

Jiangsu, ChinaLK (NANJING) CO., LTD.

US$3.00-6.00

500 kg

Sample price:US$100.00/piece.Request sample

Product profile

Customization

Available

CAS No.

27344-41-8

Formula

C28H20S2O6Na2

Model NO.

Usage

Paints, Cosmetic, Textile, Detergent Chemicals

Colour

Yellow

Application Material

Natural Silk

Appearance

Powder

Type

Synthetic

Solubility

Shape

Powdery

Grade Standard

Industrial Grade

Fluorescent intensity(equal to standard)

97~103

Max UV absorption by nm

348

Shelf life

24 months

Transport Package

Fiber Drum / Kraft Bag / PE Bag

Specification

25kg

Trademark

RAWCHEM

Origin

China

Production Capacity

50000

Key features

High Fluorescent Intensity: Fluorescent intensity ranges from 97% to 103% of the standard.

Superior Whitening Effect: Provides better whitening than VBL at pH 4.5-7.

Strong Acid/Alkali Resistance: Features good resistance to both acid and alkali environments.

Versatile Application: Suitable for paints, cosmetics, textiles, and detergents.

Fast Lead Time: Average lead time is within 15 workdays for all seasons.

Flexible Payment Terms: Supports LC, T/T, D/P, Western Union, and Money Gram.

Extended Shelf Life: Standard 24 months, potentially longer if stored properly.

Global Export Capability: Exports worldwide via major Chinese ports like Shanghai and Ningbo.

Company profile

High Repeat Buyers ChoiceQuality AssuranceDigital Management EnterpriseYears of Export Experience

LK (NANJING) CO., LTD.

Jiangsu, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2008-06-04Nearest Port: shanghai ,ningbo ,qingdao ,tianjinAverage Response Time: ≤8.24hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DAT, FAS, DDP, DAP, CIP, CPT, Others, FCA

About Our Factory & Business Background

Address3310, 2north Zhongshan Road, Nanjing, Jiangsu, China

Average Lead TimePeak Season Lead Time: within 15 workdays Off Season Lead Time: within 15 workdays

Our Production Capability & Technical Expertise

Main ProductsSodium Lauryl Ether Sulfate (SLES), Linear Alkyl Benzene Sulphonic Acid (LABSA), Sodium Polyacrylate, Ethylene Diamine Tetraacetic Acid (EDTA), Modified Sodium Disilicate (Msd), Active Poly Sodium Metasilicate (Apsm), Sodium Silicate Powder/ Lumps, Potassium Silicate Powder, Mono Penta-Erythritol, Detergent Beads (Laundry Pods)

Our Industry Experience & Global Business Record

Main MarketsNorth America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe

Product Q&A

Q:What is the CAS number of this optical brightener?

The CAS number is 27344-41-8.

Q:What is the recommended dosage for synthetic detergent?

For synthetic detergent, the dosage should be no more than 0.05% in washing powder and no more than 0.1% in liquid detergent.

Q:How long is the shelf life of this product?

The standard shelf life is 24 months. However, if stored in good condition (sealed bags, away from sunlight and moisture), the actual shelf life can be slightly longer.

Q:What are the main application areas for this brightener?

It is used for whitening cotton, linen, cellulose fibers, and fabrics, as well as paper pulp. It is also used for brightening light-tone cellulose fabrics and in synthetic detergents.

Q:What is the appearance and color of the product?

The product is a light yellow uniform powder with a bright bluish tone.