Developer BPS-D

BPA-free thermal paper developer offering enhanced image stability.
Requires lower colour former dosages than BPA for efficient thermal imaging.

Efficient, BPA-Free Developer for Thermal Paper Formulations

BPS‑D (4,4’-Dihydroxy Diphenyl Sulfone, CAS 80‑09‑1) is a thermal paper developer formulated as a safer, BPA‑free alternative. Unlike BPA, BPS‑D delivers superior image stability and requires less colour former to achieve the same print quality, making it both efficient and cost-effective.

NAGASE supplies high-purity BPS‑D powder (≥99.5% assay) globally, providing full technical support, regulatory documentation, and supply chain management tailored for thermal paper manufacturers

Applications

BPS-D is used in thermal paper coatings to develop high-quality images with reduced BPA exposure.

  • POS receipts, tickets, and transaction slips
  • Barcode and logistics labels using thermal print technology
  • Lottery, gaming, parking tickets with stable image formation
  • Alternative thermal papers replacing BPA developers

Features

BPS-D provides high-performance thermal developing with safety and efficiency advantages.

  • BPA-free formulation – Complies with regulatory demands to phase out BPA
  • High purity – Assay ≥99.5% ensures consistent performance and low impurities
  • Improved image stability – Sharper prints with less background fogging
  • Lower colour former dosage – Enhances coating efficiency and cost-effectiveness
  • Reliable supply and support – Backed by NAGASE’s global logistics and technical services

Additional Information

Structural formula of BPS-D (4,4’-Dihydroxy Diphenyl Sulfone), a BPA-free thermal paper developer showing two aromatic rings linked by a sulfone group with hydroxyl substituents.

Product Specification

Product Bisphenol S-D
Chemical Name 4,4`-DIHYDROXY DIPHENYL SULFONE
CAS No. 80-09-1
Molecular Formula C12H10O4S
Molecular Weight 250,27
Assay 99,50 % min.
Appearance White Powder
2,4`-DIHYDROXY DIPHENYL SULFONE Content 0,5% max.
Moisture 0,80% max.
Melting Point 245 – 250 °C
Ash 0,30% max.
Iron Content (Fe) 5 ppm max.
APHA 40 max.

Frequently Asked Questions about Developer BPS-D

What is BPS-D used for in thermal paper?
BPS-D acts as a thermal developer in heat-sensitive coatings, triggering image formation without the use of BPA.

Why is BPS-D preferred over BPA?
It avoids regulatory restrictions on BPA, offers higher image stability, and requires lower color former usage.

How does BPS-D improve image quality?
Its high purity enables clean, sharp image development with less background discoloration or fogging.

Does BPS-D require different coating amounts?
Yes—its higher reactivity allows for lower colour former dosages compared to BPA-based coatings.

Is BPS-D readily available for manufacturers?
Absolutely—NAGASE provides consistent, high-quality supply and full technical and regulatory support for global thermal paper production.

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Printing

Klaus Roerig
Sales Manager