Solvent red 135

Solvent Red 135, also known as Transparent Red EG, is a red to deep red or light pink powder at room temperature, and also a dark red to black solid. It has no obvious odor and usually exists in powder or crystal form.

Classification :

PRODUCT DETAILS

Chemical Name: 8,9,10,11-Tetrachloro-12H-isoindolo-[2,1-a]piperidin-12-one

CAS: 20749-68-2

Molecular Formula: C18H6CL4N2O

Molecular Weight: 408.06504

Boiling Point: 597.1°C

Flash Point: 216.9°C

Product Description

Solvent Red 135, also known as Transparent Red EG, is a red to deep red or light pink powder at room temperature, and also a dark red to black solid. It has no obvious odor and usually exists in powder or crystal form.

Solvent Red 135 is insoluble in water and has moderate to good solubility in organic solvents such as ethanol, acetone, chloroform, aromatic hydrocarbons (e.g., benzene, toluene), esters, and chlorinated hydrocarbons. It is also insoluble in water and diluted solutions of acids, acetic acid, or alcohols. This dye exhibits excellent thermal and light stability, with a heat resistance temperature of 300-320℃, a lightfastness of 7-8, and good weather resistance. It also possesses high tinting strength and high gloss. In addition to its excellent light and heat resistance, Solvent Red 135 also has strong tinting strength, meaning that the desired color intensity can be achieved with minimal dosage. This not only improves the efficiency of the production process but also reduces costs. The pigment also has high lightfastness (grade 7 to 8) and heat resistance (300°C to 320°C), making it suitable for a wide range of applications, including plastics, coatings, and inks.

Specifications

Name:

Solvent Red 135

Appearance:

Yellow-red powder

Chemical Abstracts Service Number:

0749-68-2

≥99%

Melting Temperature:

318℃

Solubility:

Soluble in organic solvents, insoluble in water

Tinting Strength:

100±2%

Product Application

Solvent Red 135 is mainly used for transparent or opaque coloring of various thermoplastics such as polystyrene (PS), ABS, SAN, PMMA, PC, rigid PVC, PET, and PA. It is especially suitable for rigid plastics (such as PS, SB, ABS, ... (SAN, PMMA, PC, PVC-U, PPO, PET, PA6/PA6.6). This dye is also used for doping coloring of acetate fibers and polyester fibers (PES fibers). Furthermore, Solvent Red 135 can be used as a colorant in greases, lubricants, fuels, candles, soaps, rubber toys, paints, inks, coatings, masterbatches, decorative materials, and vehicle taillight resins, etc. Solvent Red 135 is mainly used for coloring everyday plastics and spool materials, providing excellent color stability and fade resistance. Its unique chemical composition makes it ideal for industrial oils, paints, inks, and masterbatches, offering excellent dispersibility and color strength. In addition, certain varieties of Solvent Red 135 are specially formulated for the dyeing and spinning processes of chemical fibers, including polyester, nylon, and acetate fibers.

Factory Description

Equipped with advanced equipment and precise detection technology, and supported by sufficient capital, the company provides customers with high-quality optical brighteners and pigment products, and customizes exclusive product solutions according to customer needs. Covering an area of more than 2,000 mu, the company has built a number of standardized production workshops and professional laboratories. Based on complete experimental facilities, it can provide customers with accurate application data support, and ensure stable goods supply with large-scale production capacity. 

Our Advantages

1. With our own manufacturing facilities, R&D center, and laboratories, we ensure consistent and reliable quality for products including optical brightening agents, titanium dioxide, solvent dyes, and pigments.

2. We provide OBA products and comprehensive whitening solutions with full technical support throughout the process.

3. Factory direct sales offer prices 3%-5% lower than market rates.

4. Rapid delivery with same-day shipping available.

5. Custom packaging options for optical brighteners, titanium dioxide, solvent dyes, pigments, and more based on client requirements.

6. Complimentary samples provided for testing comparative effects and cost-effectiveness.

7. Prompt response to inquiries with professional and efficient service.

8. Flexible payment options including TT, LC, and other settlement methods.

9. Complete customs clearance documentation backed by years of export experience.

10. DDP door-to-door service with real-time tracking of logistics updates.

Package information

Standard packaging is 25 kg in cardboard drums, cartons, or bags lined with double-layer PE film. Customized packaging is also available upon customer request.

Transportation and storage

Transportation: Fluorescent whitening agents should be protected from impact and direct sunlight during transportation.

Storage: Store in a cool, dry, and well-ventilated warehouse. Shelf life is two years.

FAQ

Q: Are your products suitable for use in synthetic fibers, plastics, detergents, coatings, inks, textiles, and paper?

Q: Are your products suitable for use in synthetic fibers, plastics, detergents, coatings, inks, textiles, and paper?

A: Yes. Our fluorescent whitening agents, solvent dyes, pigments, and titanium dioxide are widely used across multiple industries including synthetic fibers, plastics, detergents, inks, textiles, paper, and rubber. They deliver excellent whitening and color-enhancing effects.
A: Yes. Our fluorescent whitening agents, solvent dyes, pigments, and titanium dioxide are widely used across multiple industries including synthetic fibers, plastics, detergents, inks, textiles, paper, and rubber. They deliver excellent whitening and color-enhancing effects.
Q: How about after-sales service?

Q: How about after-sales service?

A: If quality problems occur, please provide photos or test reports. We will solve it promptly.
A: If quality problems occur, please provide photos or test reports. We will solve it promptly.
Q: What documents can you provide?

Q: What documents can you provide?

A: Commercial Invoice, Packing List, Bill of Lading, Certificate of Origin, MSDS and other customs clearance documents.
A: Commercial Invoice, Packing List, Bill of Lading, Certificate of Origin, MSDS and other customs clearance documents.
Q: Can you ship to Southeast Asia and Africa?

Q: Can you ship to Southeast Asia and Africa?

A: Yes. We have rich experience exporting to Southeast Asia, Africa, Middle East and other regions. We support sea freight, air freight and express.
A: Yes. We have rich experience exporting to Southeast Asia, Africa, Middle East and other regions. We support sea freight, air freight and express.
Q: Which ports do you ship from?

Q: Which ports do you ship from?

A: Mainly from Qingdao and Shanghai port..
A: Mainly from Qingdao and Shanghai port..
Q: How long is the lead time?

Q: How long is the lead time?

A: Normally 7–15 working days after deposit and order confirmation.
A: Normally 7–15 working days after deposit and order confirmation.
Q: What payment terms do you accept?

Q: What payment terms do you accept?

A: T/T, L/C at sight, Western Union, MoneyGram. Other terms can be negotiated.
A: T/T, L/C at sight, Western Union, MoneyGram. Other terms can be negotiated.
Q: What is your standard packaging?

Q: What is your standard packaging?

A: 25kg per fiber drum, carton or bag with double PE liner inside. Custom packaging is available.
A: 25kg per fiber drum, carton or bag with double PE liner inside. Custom packaging is available.
Q: Can you provide samples?

Q: Can you provide samples?

A: Small samples are available for quality test. We will bear the shipping cost.
A: Small samples are available for quality test. We will bear the shipping cost.
Q: What is your MOQ?

Q: What is your MOQ?

A: Normally 500kg–1000kg, depending on the product. Trial orders are acceptable.
A: Normally 500kg–1000kg, depending on the product. Trial orders are acceptable.
Q: Are prices negotiable?

Q: Are prices negotiable?

A: Prices are based on order quantity. Larger orders enjoy better discounts.
A: Prices are based on order quantity. Larger orders enjoy better discounts.

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