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PIGMENT YELLOW 191/ HP YELLOW 1349

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PIGMENT YELLOW 191
PIGMENT YELLOW 191/ HP YELLOW 1349 - Honor Pigment
PIGMENT YELLOW 191/ HP YELLOW 1349

C.I.NO.: PY191

Advantage:

Main Application Recommended: Plastics

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Description

Product Description – PY191

HP YELLOW 1349 (PIGMENT YELLOW 191) is a monoazo calcium pigment lake with a reddish shade of yellow. It features excellent heat resistance, withstanding temperatures up to 300°C, good light fastness, and does not affect the shrinkage of polymers. It exhibits excellent solvent fastness in both aliphatic and aromatic hydrocarbons, as well as in commonly used plasticizers. It is widely applied in the plastics industry, including for materials such as HDPE, PVC, ABS, PC, PBT, and PP Fiber. Additionally, it is FDA-approved.

Recommended Application

Plastics: PP, PE, PVC, PS/SAN, ABS, PC, POM, PBT, PMMA, Rubber/TPV, SBC, TPO, TPU

Technical Data

Product Information
Chemical Type MonoAzo CAS NO. 129423-54-7
C. I. Name Pigment Yellow 191 EINECS / ELINCS NO. 403-530-4
C. I. Constitution No. 18795 Chemical Formula C17H13ClN4O7S2Ca
Technical Performance
Full Shade Tint
Weather Resistance 5 4-5 Heat Stability °C 300°C
Light Fastness 7 6
Physical Properties
Physical Form Powder Resistance to Acid 5
Specific Density (g/cm3): 1.45 ± 0.1 Resistance to Alkali 5
Specific Surface(㎡/g): 27 Migration resistance PVC 5
Oil Absorption 45 ± 10 Low warping applications Suitable
pH Value 5 ~ 8
Volatile Matter 1% max
Packaging
10kgs/bag   400kgs/Pallet
Storage Shelf Life 5 years
Should be stored in cool, dry and ventilate place.
TRANSPORTATION
Avoid inversion, sunlight, moisture and crash. Avoid damage the package.
  • Light fastness: Light fastness rating is assessed on 1 to 8 Blue Wool scale where 1 = ‘Poor’ and 8 = ‘Excellent’.
  • Heat Stability : Heat stability values given indicate the maximum temperature at which the pigment can be stoved for 10 min. on the full shade and in reductions without undergoing any significant change in shade.
  • Oil absorption: The oil absorption is determined on the basis of EN ISO 787-5 and given in g linseed oil per 100 gm. pigment.
  • Solvent bleeding: The bleeding in solvents is tested using the powder grades and the visual rating given on 1 to 5 Grey scale
    where 1 = ‘Heavy bleeding’ and 5 = ‘No bleeding”

Disclaimer – The information given in this data sheet is based on the present state of our knowledge & is intended as a general description of our products & their possible applications. Due to the multitude of formulations, production & application conditions, all the above mentioned data have to be adjusted to the circumstances of the processor. No liabilities, including those for patent rights, can be derived from this fact for individual cases. It cannot be ruled out that this product contains particles < 0.1 μm. Any user of this product is responsible for determining the suitability of Honor Pigments’s products for its particular application & to ensure that any proprietary rights & existing laws & legislation are observed.

Why Choose Honor Pigments?

  • 🌍 Global Export Expertise — Trusted by customers in 40+ countries for consistent quality and reliable supply
  • ✅ Strict Quality Control — ISO 9001 certified with batch-to-batch consistency and zero-defect policy
  • 💰 OEM Production Advantage — Competitive pricing without compromising pigment performance
  • 🧪 Technical Support — Free color matching, formulation advice and sample testing before bulk order

📩 Need more details?

Request TDS, SDS, or a free sample for testing.

Related products

Product Description – PY191

HP YELLOW 1349 (PIGMENT YELLOW 191) is a monoazo calcium pigment lake with a reddish shade of yellow. It features excellent heat resistance, withstanding temperatures up to 300°C, good light fastness, and does not affect the shrinkage of polymers. It exhibits excellent solvent fastness in both aliphatic and aromatic hydrocarbons, as well as in commonly used plasticizers. It is widely applied in the plastics industry, including for materials such as HDPE, PVC, ABS, PC, PBT, and PP Fiber. Additionally, it is FDA-approved.

Recommended Application

Plastics: PP, PE, PVC, PS/SAN, ABS, PC, POM, PBT, PMMA, Rubber/TPV, SBC, TPO, TPU

Technical Data

Product Information
Chemical Type MonoAzo CAS NO. 129423-54-7
C. I. Name Pigment Yellow 191 EINECS / ELINCS NO. 403-530-4
C. I. Constitution No. 18795 Chemical Formula C17H13ClN4O7S2Ca
Technical Performance
Full Shade Tint
Weather Resistance 5 4-5 Heat Stability °C 300°C
Light Fastness 7 6
Physical Properties
Physical Form Powder Resistance to Acid 5
Specific Density (g/cm3): 1.45 ± 0.1 Resistance to Alkali 5
Specific Surface(㎡/g): 27 Migration resistance PVC 5
Oil Absorption 45 ± 10 Low warping applications Suitable
pH Value 5 ~ 8
Volatile Matter 1% max
Packaging
10kgs/bag   400kgs/Pallet
Storage Shelf Life 5 years
Should be stored in cool, dry and ventilate place.
TRANSPORTATION
Avoid inversion, sunlight, moisture and crash. Avoid damage the package.
  • Light fastness: Light fastness rating is assessed on 1 to 8 Blue Wool scale where 1 = ‘Poor’ and 8 = ‘Excellent’.
  • Heat Stability : Heat stability values given indicate the maximum temperature at which the pigment can be stoved for 10 min. on the full shade and in reductions without undergoing any significant change in shade.
  • Oil absorption: The oil absorption is determined on the basis of EN ISO 787-5 and given in g linseed oil per 100 gm. pigment.
  • Solvent bleeding: The bleeding in solvents is tested using the powder grades and the visual rating given on 1 to 5 Grey scale
    where 1 = ‘Heavy bleeding’ and 5 = ‘No bleeding”

Disclaimer – The information given in this data sheet is based on the present state of our knowledge & is intended as a general description of our products & their possible applications. Due to the multitude of formulations, production & application conditions, all the above mentioned data have to be adjusted to the circumstances of the processor. No liabilities, including those for patent rights, can be derived from this fact for individual cases. It cannot be ruled out that this product contains particles < 0.1 μm. Any user of this product is responsible for determining the suitability of Honor Pigments’s products for its particular application & to ensure that any proprietary rights & existing laws & legislation are observed.

Why Choose Honor Pigments?

  • 🌍 Global Export Expertise — Trusted by customers in 40+ countries for consistent quality and reliable supply
  • ✅ Strict Quality Control — ISO 9001 certified with batch-to-batch consistency and zero-defect policy
  • 💰 OEM Production Advantage — Competitive pricing without compromising pigment performance
  • 🧪 Technical Support — Free color matching, formulation advice and sample testing before bulk order

📩 Need more details?

Request TDS, SDS, or a free sample for testing.

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