Production
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Optical Brightener CBS-X
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Rutile Titanium Dioxide
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Sodium Lauryl Sulfate
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Solvent blue 104
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Optical Brightener OB-1
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Solvent Red 135
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Pigment yellow 83
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Solvent Blue 45
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Solvent Green 3
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FOOD GRADE TITANIUM DIOXIDE AMA98
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Pigment violet 23
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Pigment red 254
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Pigment yellow 17
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Solvent Yellow 114
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Optical Brightener ER-I
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Solvent Yellow 163
Optical Brightener DMA-X
Product Name: Optical Brightener DMA-X Granular / Fluorescent Brightener 71
Chemical Name:
Disodium 4,4′-bis[(4-anilino-6-morpholino-1,3,5-triazin-2-yl)amino]stilbene-2,2′-disulfonate
Color Index: C.I. 71
CAS: 16090-02-1
Molecular Formula: C₄₀H₃₈N₁₂Na₂O₈S₂
Formula Weight: 924.93 g/mol
Synonyms: Fluorescent Brightener 71; FBA 71; Optical Brightening Agent DMA-X; Stilbene Disulphonic Acid Derivative; Tinopal DMA-X; C.I. 71; Optical Brightening Agent DMS-X
Application:
Laundry Detergents (Powders, Concentrates, Tablets), Soap Bars, Textile Whitening (Cotton, Nylon, Polyamide, Vinylon, Wool), Paper Manufacturing
Description
marker
1.Product Description
Achieve Superior Whitening with Optical Brightener DMA-X Granular – The Premium Morpholine-Based Brightener for Detergents and Textiles.
Optical Brightener DMA-X, internationally designated as Fluorescent Brightener 71 (C.I. 71), is a high-performance stilbene-based fluorescent whitening agent specifically engineered for the detergent and textile industries . What sets this brightener apart is its unique molecular structure incorporating a morpholine group, which significantly enhances acid resistance and perborate stability compared to conventional brighteners like VBL and 31# .
The granular form of DMA-X offers distinct advantages over powder variants. The even, free-flowing granules minimize dust generation during handling, ensuring a safer working environment and more accurate dosing in manufacturing processes . Upon dissolution, the granules disperse uniformly, providing consistent whitening performance across every batch.
Operating on advanced fluorescence technology, DMA-X absorbs invisible ultraviolet radiation at 350 nm and re-emits it as brilliant blue-violet visible light (400-450 nm), effectively neutralizing the natural yellowish cast of fabrics and imparting a radiant, "whiter-than-white" appearance.
Our Optical Brightener DMA-X Granular is manufactured under strict quality controls with ≥99% purity and consistent batch-to-batch performance, meeting the demanding requirements of modern detergent and textile applications.
2. Product Specifications (Technical Data Sheet)
| Property | Specification | Insight |
| Product Name | Optical Brightener DMA-X Granular (Fluorescent Brightener 71) | Premium morpholine-based brightener for detergents and textiles |
| Appearance | White to light yellow even granular | Free-flowing, low-dust granules for easy handling |
| CAS No. | 16090-02-1 | Verified chemical registry number |
| EINECS/EC No. | 240-245-2 | Listed in European inventory |
| Solubility | Soluble in hot water (forms ~10% turbid solution); less soluble in cold water | Prepare fresh solution; use immediately and avoid sunlight |
| Style | Anionic / Stilbene Fluorescent Whitening Agent (FBA) | Anionic character for compatibility with detergent systems |
| Maximum UV Absorption (λmax) | 350 nm | Efficient absorption of near-UV radiation |
| E₁₁ (UV Absorption) | 416-436 | High absorption efficiency |
| Tinting Strength | High | Exceptional whitening efficacy with minimal dosage |
| Purity | ≥ 99% | High purity ensures consistent performance |
| Active Content | 80-90% | High active ingredient concentration |
| Optimal pH Range | 7-10 | Stable performance across alkaline conditions |
| Compatibility | Compatible with most detergents | Versatile for various detergent formulations |
| Storage Conditions | Store in cool, dry, ventilated warehouse; avoid sunlight, moisture, and heat | Shelf life: 2 years under proper storage |
| Application | Laundry detergents, soap bars, textile whitening, paper | Versatile across multiple industries |
3.Product Application
Detergent & Soap Industry – Primary Application:
Optical Brightener DMA-X Granular is the preferred whitening agent for the detergent industry due to its high matching capacity and exceptional accumulated washing whitening effect . It can be incorporated into various detergent formulations:
| Application Type | Recommended Dosage | Performance Notes |
| Synthetic Detergents (Powders) | 0.1-0.5% (1-5 g per kg) | Excellent compatibility with surfactant systems |
| Concentrated Laundry Powders | 0.1-0.5% (1-5 g per kg) | Superior accumulated whitening across wash cycles |
| Toilet Soaps & Soap Bars | 0.1-0.5% (1-5 g per kg) | Uniform distribution in soap matrices |
| Liquid Detergents | 0.1-0.5% (1-5 g per kg) | Compatible with liquid formulations |
| Detergent Tablets | 0.1-0.5% (1-5 g per kg) | Maintains integrity in compressed formats |
Textile Industry:
DMA-X delivers outstanding whitening performance across various fiber types :
| Fiber Type | Recommended Dosage | Application Notes |
| Cotton & Cellulose Fibers | 0.1-0.3% (1-3 g per kg) | Excellent whitening effect; superior to VBL and 31# |
| Polyamide (Nylon) | 0.1-0.3% (1-3 g per kg) | Outstanding whitening on synthetic fibers |
| Vinylon | 0.1-0.3% (1-3 g per kg) | Good whitening on polyvinyl alcohol fibers |
| Wool (Protein Fibers) | 0.1-0.3% (1-3 g per kg) | Effective whitening on animal fibers |
4.Storage
This product may be stored up to two years in a sealed container. Containers should be kept tightly closed when not in use and stored in a cool, dry place.
5.Packaging
Usually is 25Kg/drum or paper box or bag with inner double PE liner Or provide customized packaging according to customer requirements.
6.Our advantage
1) Provide free samples for testing or comparing the effect difference and cost performance.
2) Fast response speed, customers' questions at any time will be responded to in two hours.
3) Fast delivery: the fastest delivery can be made on the same day.
4)Different packaging solutions: provide various packaging options according to customer requirements.
5)Technical guidance: provide improved whitening and coloring formulas and guidance according to customer production materials.
6) Sample retention or sample mailing before bulk delivery.
7) Providing certificationes, such as Reach certification.
8) Different payment methods: TT LC, etc.
9) Providing door-to-door DDP service.
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