PIGMENT RED 184

Pigment Red 184 is a blue shade, semi-transparent Naphthol AS pigment. 
Pigment Red 184 meets the requirements for the EUropean Scale for Process printing. 
Pigment Red 184s metal deco prints tolerate clear lacquer coatings, but not sterilization. 

CAS Number: 99402-80-9
Molecular Formula: C32H25ClN4O5
Molecular Weight: 581.026
EINECS Number: 911-739-1

Synonyms: N-(5-CHLORO-2-METHOXYPHENYL)-3-HYDROXY-4-[[2-METHOXY-5-[(PHENYLAMINO)CARBONYL]PHENYL]AZO]NAPHTHALENE-2-CARBOXAMIDE, DTXSID0070942, EINECS 268-028-8, EC 268-028-8, N-(5-Chloro-2-methoxyphenyl)-3-hydroxy-4-((2-methoxy-5-((phenylamino)carbonyl)phenyl)azo)naphthalene-2-carboxamide, 2-Naphthalenecarboxamide, 3-hydroxy-4-((2-methoxy-5-((phenylamino)carbonyl)phenyl)azo)-N-(2-methoxy-5-chlorophenyl)-, 2-Naphthalenecarboxamide, 3-hydroxy-4-((2-methoxy-5-((phenylamino)carbonyl)phenyl)azo)-N-(5-chloro-2-methoxyphenyl)-, 2-Naphthalenecarboxamide, N-(5-chloro-2-methoxyphenyl)-3-hydroxy-4-((2-methoxy-5-((phenylamino)carbonyl)phenyl)azo)-, 2-Naphthalenecarboxamide, N-(5-chloro-2-methoxyphenyl)-3-hydroxy-4-(2-(2-methoxy-5-((phenylamino)carbonyl)phenyl)diazenyl)-, 2-Naphthalenecarboxamide, N-(5-chloro-2-methoxyphenyl)-3-hydroxy-4-[[2-methoxy-5-[(phenylamino)carbonyl]phenyl]azo]-, 2-Naphthalenecarboxamide, N-(5-chloro-2-methoxyphenyl)-3-hydroxy-4-[2-[2-methoxy-5-[(phenylamino)carbonyl]phenyl]diazenyl]-, DTXCID6045373, 2-Naphthalenecarboxamide, N-(5-chloro-2-methoxyphenyl)-3-hydroxy-4-2-methoxy-5-(phenylamino)carbonylphenylazo-, 268-028-8, N-(5-Chloro-2-methoxyphenyl)-3-hydroxy-4-[2-[2-methoxy-5-[(phenylamino)carbonyl]phenyl]diazenyl]-2-naphthalenecarboxamide, 67990-05-0, 99402-80-9, N-(5-chloro-2-methoxyphenyl)-3-hydroxy-4-[[2-methoxy-5-(phenylcarbamoyl)phenyl]diazenyl]naphthalene-2-carboxamide, Naphthol Red RA 1087, 7GW5CX6K9W, SCHEMBL305980, AKOS032949945, CI 12466, C.I. 12466, NS00053100, H11635, C.I. Pigment Red 184;CI12487;Flexonyl Rubine A-F 6B;Hostafine Rubine F 6B;Microlith Magenta 2BA;Permanent Rubine F 6B;Permanent Rubine F 6B13-1731;Pigment Red 184

Pigment Red 184 exhibits food allround fastness properties and is an alternative for Pigment Red 57:1 pigments, if their fastness properties are not good enough. 
Recommended for paste inks as well as for solvent- and water-based packaging gravure and flexographic printing inks.
Pigment Red 184 is a synthetic organic compound that belongs to the family of azo pigments, which are known for their vivid colors and excellent performance in various industrial applications.

It is primarily used as a red pigment in coatings, plastics, inks, and paints, offering high color strength, excellent lightfastness, and good weather resistance.
Chemically, Pigment Red 184 is a complex azo compound with the IUPAC name: N-(5-chloro-2-methoxyphenyl)-3-hydroxy-4-[[2-methoxy-5-[(phenylamino)carbonyl]phenyl]azo]naphthalene-2-carboxamide.
This pigment is categorized under the CI Pigment Red 184 or C.I. 12466 in the Color Index system. 

Pigment Red 184 is characterized by its brilliant bluish-red hue, making it suitable for applications where durable, high-performance red coloration is needed. 
Due to its chemical stability, it is often used in automotive finishes, industrial coatings, and high-end plastic coloration.
Its color shade is similar as PR146.And its properties is higher than PR57:1 It is a modified product of CI Pigment Red 146. 

Pigment Red 184 is mainly used for printing inks. 
Its samples are resistant to soap, paraffin, dibutyl phthalate, Toluene, etc.; light fastness is one level higher than CI Pigment Red 57:1; excellent solvent resistance makes it suitable for all kinds of printing inks, such as packaging printing inks, flexographic printing inks and metal decorative printing inks, and the heat stability is 170℃/10min. 
Pigment Red 184 is a blue shade, semi-transparent Naphthol AS pigment. 

It meets the requirements for the EUropean Scale for Process printing. 
Pigment Red 184 exhibits food allround fastness properties and is an alternative for Pigment Red 57:1 pigments, if their fastness properties are not good enough.
Pigment Red 184 affords a red which is somewhat on the bluish side of C.I.NO.:PR146.

Both products also behave very similarly in application. 
Its prints are fast to soap, butter, paraffin, dibutyl phthalate, white spirit, and toluene. C.I.NO.:PR184, PIGMENT RED 184 is used especially in applications where it shows good resistance for alkali, acid, or soap fastness. 
Excellent fastness to solvents makes C.I.NO.:PR184, PIGMENT RED 184 a suitable candidate for letterpress and offset application, as well as for packaging gravure printing inks and flexo inks. 

The pigment is heat stable up to 170°C for 10 minutes or up to 160°C for 30 minutes. C.I.NO.:PR184, PIGMENT RED 184 is also employed in rubber.
Pigment Red 184 is also referred to by several registry numbers and synonyms in chemical databases, including CAS numbers 67990-05-0 and 99402-80-9, and is associated with identifiers such as DTXSID0070942 and DTXCID6045373.

Density: 1.39g/cm3 at 23℃
vapor pressure: 0Pa at 25℃
form: Powder
LogP: 1.92 at 23℃ and pH6.4

Pigment Red 184-Permanent Rubine F6G by Hangzhou Multicolor Chemical acts as an organic pigment. 
Pigment Red 184 is used in water based inks, paints and coatings.
Pigment Red 184 affords sightly bluish red shade and exhibits excellent to various agents like soap, butter, paraffin etc. 

Especially used for the applications where Pigment Red 57:1 fails the requirements for alkali, acid or soap fastness.
Pigment Red 184 is a high-performance azo pigment widely used in industrial and commercial applications where both vibrant coloration and chemical durability are required. 
As part of the azo class of pigments, it contains one or more azo (-N=N-) groups, which are responsible for its brilliant red coloration. 

The specific structure of Pigment Red 184 includes complex aromatic systems with substituents that enhance its stability, resistance, and performance across various environments.
This pigment is known for its bluish-red tone, which remains consistent even under prolonged exposure to light, heat, and chemicals. 
Its excellent lightfastness (resistance to fading in sunlight) makes it particularly suitable for automotive paints, high-grade industrial coatings, and architectural finishes, where long-term color stability is critical.

Pigment Red 184 also performs well in plastics and polymers, offering good dispersion and thermal stability during processing. 
Pigment Red 184 is compatible with a variety of resins and plastic types, such as polyolefins, polyesters, and engineering plastics, without significant bleeding or migration, making it useful in products that require strong, durable coloration.
In printing inks, Pigment Red 184 is valued for its ability to produce sharp, bright images with excellent resistance to solvents and mechanical wear. 

This makes it ideal for use in packaging, labels, and decorative printing, especially where high-end or premium presentation is needed.
From a chemical standpoint, the IUPAC name of Pigment Red 184 — N-(5-chloro-2-methoxyphenyl)-3-hydroxy-4-[[2-methoxy-5-[(phenylamino)carbonyl]phenyl]azo]naphthalene-2-carboxamide — indicates that it is a highly functionalized molecule featuring multiple aromatic rings, methoxy groups, carboxamide functions, and azo linkages, all contributing to its overall stability and performance.

Pigment Red 184 is registered under the Color Index number C.I. 12466, and has other associated identifiers, such as CAS RN 67990-05-0 and 99402-80-9. 
In chemical inventories, it may appear under different synonyms or structural variants but refers to the same basic compound. 
It is also tracked in regulatory and chemical databases by codes such as DTXSID0070942, DTXCID6045373, and EINECS 268-028-8.
In terms of safety and environmental impact, Pigment Red 184 is considered to be low in toxicity and generally safe for use in consumer products, though as with all chemical substances, its handling is governed by material safety data sheets (MSDS) and regulatory guidelines to ensure proper use and disposal.

Uses Of Pigment Red 184:
Pigment Red 184 is widely used in a broad range of industrial and commercial applications due to its brilliant red color, excellent chemical resistance, and outstanding lightfastness, making it especially suitable for environments where long-term color retention and durability are essential.
One of its most prominent uses is in the automotive industry, where it is incorporated into car paints and coatings to produce rich, vivid red finishes that can withstand prolonged exposure to sunlight, extreme weather conditions, and abrasive cleaning without fading or degrading over time. 

Its color stability and resistance to heat make it ideal for high-performance exterior coatings on vehicles, including those subjected to harsh outdoor environments.
In the field of industrial coatings, Pigment Red 184 is employed in products such as machinery paints, protective metal finishes, and construction coatings, where its resistance to chemicals, solvents, and UV radiation helps extend the life and appearance of the coated surface. 
These properties make it a preferred choice for infrastructure projects, heavy-duty equipment, and architectural applications that demand long-lasting, aesthetically consistent finishes.

The pigment is also extensively used in the plastics industry, where it is added to a variety of thermoplastic and thermoset materials, including polyolefins (like polyethylene and polypropylene), polyesters, PVC, and engineering plastics, to achieve intense red coloration that does not bleed, fade, or migrate. 
This makes it suitable for applications ranging from household goods and electronics casings to automotive interior components and packaging materials that require visual appeal and physical robustness.
In the production of printing inks, Pigment Red 184 is valued for its ability to produce sharp, vivid, and durable red tones in both solvent-based and water-based ink systems. 

Pigment Red 184 is frequently used in packaging, labels, magazines, and promotional materials, especially in high-end or premium print jobs where color accuracy and resistance to smudging and chemical exposure are important.
Additionally, it is used in paints and decorative coatings for artistic, architectural, and consumer product applications, where vibrant red shades are desired in combination with longevity and minimal maintenance. 
Its resistance to alkalis and acids allows it to be applied on a wide range of surfaces without deteriorating or reacting with the substrate.

Though not commonly used in cosmetics or food products due to regulatory constraints on some synthetic pigments, Pigment Red 184 is occasionally found in specialty items where regulatory approval is granted or in non-contact applications such as product packaging, labeling, and product identification markings.
Pigment Red 184 is a high-performance pigment that finds extensive use in applications where visual appeal, durability, and chemical stability are critical. 

Its highly saturated, bluish-red hue, combined with its exceptional resistance to heat, light, and solvents, makes it a preferred choice in demanding industrial and decorative applications.
In the automotive sector, this pigment is commonly used in OEM (original equipment manufacturer) and refinish paints, particularly in red or crimson shades for car exteriors. 
Because it maintains its brilliance and chromatic integrity even after prolonged UV exposure, high-temperature cycles, and contact with automotive cleaning agents, Pigment Red 184 helps manufacturers meet the aesthetic and longevity expectations of modern vehicle owners. 

Furthermore, its ability to withstand thermo-mechanical stress and environmental pollutants ensures that the paint finish remains vibrant and protective over the lifespan of the vehicle.
In industrial applications, Pigment Red 184 is used in protective coatings for metal, machinery, and structural components, such as bridges, pipelines, ships, and railway cars. 
These coatings are formulated not only for appearance but also for resistance to corrosive environments, mechanical abrasion, and extreme weather conditions. 

The pigment’s resistance to acids, alkalis, and oxidizing agents makes it a reliable component in industrial-grade formulations designed to protect assets in harsh operational environments.
Within the plastics industry, the pigment is extensively used to color injection-molded parts, extruded profiles, films, and fibers. 
Pigment Red 184 is especially valued in engineering plastics like polycarbonate, nylon, and polyester, which are used in automotive components, electrical enclosures, consumer electronics, and medical devices. 

The pigment provides long-term color stability, even at high processing temperatures, without migration or blooming, which are common issues with less stable organic pigments.
Pigment Red 184 is also applied in the manufacture of printing inks for flexographic, gravure, offset, and screen printing, where consistent color reproduction and durability are essential. 
It is especially suited for printing on plastic films, laminated packaging, metal foils, and synthetic substrates, where solvent resistance and resistance to wear during handling are necessary. 

Because of its ability to maintain brilliance and definition even at low concentrations, it is considered cost-effective for high-quality print jobs that require precision and permanence.
In the coatings industry, beyond automotive and industrial applications, the pigment is used in architectural and decorative paints, where vibrant red hues are desired for both interior and exterior surfaces. 
It is incorporated into emulsion paints, powder coatings, wood finishes, and specialty decorative coatings, providing designers and architects with a stable and reliable colorant that can resist chalking, fading, and discoloration even in sunny or chemically exposed environments.

Pigment Red 184 can also be found in synthetic textile coloring, particularly for fibers where conventional dyes may lack permanence. 
Although not as common as in plastics or paints, its use in masterbatches for textile fibers (especially polypropylene or polyester) helps achieve permanent coloration that is resistant to repeated washing, sunlight, and wear.

In certain cases, the pigment is used in security inks and product identification technologies, where high resistance to tampering and environmental exposure is required. 
Because of its chemical complexity and purity, it may be employed in anti-counterfeit labels, special branding applications, or hidden markings for traceability in high-value goods.

Safety Profile Of Pigment Red 184:
Pigment Red 184 is generally considered to be a low-hazard pigment, especially when used in its intended applications such as coatings, plastics, and inks. 
However, like many industrial chemicals and fine powders, it can pose certain risks under specific conditions — especially during manufacturing, handling, or processing in powdered form.
When Pigment Red 184 is handled in powder form (e.g., during production or blending in dry processes), it may produce fine airborne dust particles. Inhalation of such dust, especially in poorly ventilated areas or without protective equipment, could cause respiratory irritation. 

Prolonged or repeated exposure to pigment dusts — even those considered inert — can lead to mechanical irritation of the respiratory tract, coughing, or discomfort. 
While the pigment itself is not classified as a known respiratory toxin, minimizing dust exposure is standard occupational safety practice.
Pigment Red 184 is not considered acutely toxic by skin contact, but prolonged or repeated contact with the powdered pigment or pigment concentrates may cause mechanical irritation or dryness of the skin.
 
Accidental contact with the eyes can cause temporary irritation due to the physical nature of the powder. 
The pigment is not known to be a sensitizer or to cause allergic reactions in the general population.

While the pigment itself is generally non-flammable, it is organic in nature and, like many fine powders, may present a dust explosion hazard if dispersed in air in high concentrations and exposed to an ignition source in confined spaces. 
Under extreme heat or when incinerated, Pigment Red 184 may decompose, potentially releasing toxic fumes such as carbon monoxide, carbon dioxide, nitrogen oxides, or chlorinated compounds.