Starwin Molybdate Red/Orange - Pigment Red 104

Chrome Pigments

Starwin Molybdate Red/Orange - Pigment Red 104

Pigment Red 104 (CAS 12656-85-8, C.I. 77605) is a high-performance inorganic lead chromate molybdate sulfate pigment delivering brilliant orange, scarlet, and red tones with high opacity, excellent tinting strength, and good light fastness. Ideal for industrial paints, automotive refinish, plastics, and printing inks. Encapsulated grades available with heat resistance up to 220°C. Equivalent to BASF L2922/L3022, DCC Molybdate Orange 107.

Key Information

CAS Number12656-85-8
分子式xPbCrO₄·yPbMoO₄·zPbSO₄
外观Orange-red powder

技术规格

Product Overview

Pigment Red 104, commonly known as Molybdate Red or Molybdate Orange, is a high-performance inorganic pigment belonging to the lead chromate molybdate sulfate family. It is a solid solution of lead chromate, lead sulfate, and lead molybdate (xPbCrO₄·yPbMoO₄·zPbSO₄), delivering brilliant scarlet to orange-red tones. Molybdate pigments are characterized by high opacity, excellent tinting strength, brilliant color, and good light fastness.

Starwin Molybdate Red Orange Pigment Red 104 powder

Starwin Molybdate Red/Orange is the commercial-grade Pigment Red 104 supplied by Hangzhou Starwin Tech Co., Ltd. With more than 15 years of experience in inorganic pigment production, Starwin delivers consistent tinting strength, stable hue, and reliable batch-to-batch reproducibility for demanding industrial applications.

Key Identification

Property价值
Product Name (EN)Molybdate Red, Molybdate Orange, Chrome Vermilion
Commercial NameStarwin Molybdate Red/Orange
C.I. NamePigment Red 104
客户编号77605
CAS 编号12656-85-8
Molecular FormulaxPbCrO₄·yPbMoO₄·zPbSO₄
Chemical ClassInorganic / Lead Chromate Molybdate Sulfate
外观Orange-red powder
Color ShadesOrange, Scarlet, Red, Deep Red
SynonymsChrome Vermilion, Molybdate Orange, Molybdate Red

Technical Specifications

The following data represents typical performance properties of Starwin Molybdate Red/Orange. Actual values may vary by grade — please refer to the Certificate of Analysis (COA) for each shipment.

Parameter规格
Moisture Content≤ 0.5%
吸油18 – 28 g/100g
Specific Gravity5.0 – 5.8 g/cm³
堆积密度0.70 – 1.10 g/cm³
Volatile Matter at 105°C≤ 0.5%
Soluble Matter in Water≤ 0.5%
pH 值5.5 – 8.0
Tinting Strength (vs. Standard)95 – 105%
耐光性4 – 5 (Blue Wool Scale)
Heat Resistance180 – 200°C (encapsulated up to 220°C)
Packaging25 kg/bag with inner PE liner
Storage存放于阴凉、干燥、通风处,避免阳光直射
HS Code32061900

Molybdate Red Orange application in industrial coatings

How to Interpret These Specifications

  • Color Shade Range: Molybdate pigments range from orange (lower molybdate content) to scarlet and red (higher molybdate content). The shade is controlled by the ratio of lead chromate to lead molybdate in the solid solution.
  • Heat Resistance (180–220°C): Standard molybdate grades are suitable for most industrial coating and plastic applications. Encapsulated grades extend heat resistance to 220°C.
  • Oil Absorption (18–28 g/100g): Moderate oil absorption allows good pigment loading in coatings and plastics formulations.
  • Light Fastness (4–5): Moderate to good. Suitable for interior applications and semi-durable exterior applications.

Shade Range

ShadeDescriptionPrimary Applications
Molybdate OrangeBright orangeIndustrial paints, inks
Molybdate ScarletBright scarlet redAutomotive refinish, industrial coatings
Molybdate Red中红色Industrial paints, plastics
Deep Molybdate RedDeep redConstruction machinery, industrial coatings

Encapsulated Grades

Starwin offers encapsulated (coated) grades of Molybdate Red/Orange. These grades feature a dense amorphous coating (typically silica, alumina, or organic treatment) deposited on the pigment particle surface to improve:

  • Heat resistance: Up to 220°C for plastic processing
  • Chemical resistance: Improved stability against acids, alkalis, and sulfur
  • Light fastness: Enhanced UV stability for exterior applications
  • Dispersion: Improved dispersibility in solvent-based and water-based systems

Encapsulated grades are recommended for applications requiring higher performance than standard grades, including plastics, powder coatings, and automotive refinish systems.

Key Applications

1. Industrial Coatings

  • Industrial Paints: Used in heavy-duty equipment coatings requiring high opacity and bright orange-red color.
  • Automotive Refinish: Used in primers and topcoats where brilliant orange-red tones are required.
  • Construction Machinery Coatings: Used in excavators, loaders, and other heavy equipment for high-visibility color.
  • Coil Coatings: Used in pre-coated metal for construction and appliance applications.

2. Plastics

  • PVC and Polyolefins: Used in PVC, PE, and PP where heat stability up to 220°C (encapsulated grades) is required.
  • 色母粒: Used in color masterbatch for plastics, providing high opacity and bright orange-red color.
  • Engineering Plastics: Encapsulated grades are suitable for selected engineering plastics processed at elevated temperatures.

3. Printing Inks

  • Offset Inks: Used in sheetfed and web offset inks for orange-red tones.
  • Packaging Inks: Used in solvent-based and water-based packaging inks.
  • Specialty Inks: Used in metal decor inks and screen inks.

Competitive Grade Equivalents

Starwin GradeBASF EquivalentDCC EquivalentPrimary Application
Molybdate OrangeL2922Molybdate Orange 107Industrial paints, inks
Molybdate ScarletL3022Molybdate Red 107Automotive refinish, industrial coatings
Molybdate RedL3125—Industrial paints, plastics
Deep Molybdate RedL3230S—Construction machinery
Encapsulated Molybdate Red——Plastics, high-performance coatings

Molybdate Red vs. Chrome Yellow

PropertyMolybdate Red (PR104)Chrome Yellow (PY34)
Chemical CompositionPbCrO₄·PbMoO₄·PbSO₄PbCrO₄
Color RangeOrange to redLemon yellow to orange
Specific Gravity5.0 – 5.8 g/cm³5.4 – 6.0 g/cm³
Heat Resistance180 – 220°C160 – 220°C
OpacityVery high高

Regulatory Status

Lead chromate molybdate pigments are subject to significant regulatory restrictions worldwide:

  • REACH Annex XIV: PR104 is included in the Authorisation List. Since May 21, 2015, use without approved authorisation is prohibited in the EU.
  • RoHS Directive: Lead restricted to < 0.1% in electrical and electronic equipment.
  • Not approved for food contact or cosmetic applications.

Customers must verify compliance with local regulations before use. Consider heavy-metal-free alternatives such as DPP (PY254/POR), Quinacridone (PV19/PR122), or Benzimidazolone (PR175) pigments where applicable.

Packaging & Storage

  • 包装: 25 kg/bag with inner PE liner. 25 kg fiber drum available. Bulk super sacks available upon request.
  • Storage: Store in a cool, dry, well-ventilated area away from direct sunlight and moisture. Keep container tightly closed when not in use.
  • 交通: Handle with care to avoid dust generation. Follow local regulations for lead compound transportation.

Frequently Asked Questions (FAQ)

What is the difference between Molybdate Red and Chrome Yellow?

Chrome Yellow (PY34) is lead sulfochromate (PbCrO₄), available in shades from lemon yellow to orange-yellow. Molybdate Red (PR104) is a solid solution of lead chromate, lead sulfate, and lead molybdate, delivering brilliant orange, scarlet, and red tones. Molybdate pigments generally offer more reddish shades and slightly higher opacity.

Can Starwin Molybdate Red directly replace BASF L-series or DCC grades?

In most cases, yes — with proper testing. The Competitive Grade Equivalents table maps Starwin grades to equivalent products from BASF, DCC, and other international suppliers. We recommend requesting samples and conducting comparative testing for your specific formulation.

What are the alternatives to Molybdate Red?

Heavy-metal-free alternatives include DPP pigments (PR254, POR) for high-performance red and orange, Quinacridone (PV19, PR122) for premium applications, and Benzimidazolone (PR175) for excellent lightfastness. These alternatives are more expensive but offer superior regulatory compliance.

Do you provide samples, COA, and SDS?

是的,杭州星赢科技有限公司提供样品供评估,每批货物均附带COA和SDS。

Why Choose Hangzhou Starwin Tech Co., Ltd. as Your Molybdate Red Supplier?

  • 15+ Years Experience: Deep expertise in inorganic pigment production with consistent quality control.
  • Complete Shade Range: Orange to Deep Red available in standard and encapsulated grades.
  • Competitive Grade Matching: Grades engineered to match BASF L-series, DCC, and other international brands.
  • Encapsulated Grades Available: Improved heat resistance, chemical resistance, and light fastness for demanding applications.
  • 技术支持: Grade selection, shade matching, competitive matching, and application-specific troubleshooting.
  • 可靠供应: Export experience serving customers across Asia, Europe, and the Americas.

Contact Us

杭州星威科技有限公司

For technical data sheets (TDS), safety data sheets (SDS), samples, or pricing inquiries regarding Starwin Molybdate Red/Orange (Pigment Red 104, CAS 12656-85-8),请联系我们的团队。

We welcome both small-scale trial orders and long-term supply partnerships.

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