Regulations

06 — Regulations

Regulations

Regulatory compliance for organic pigments — EU, US, China, and global standards

Navigating the regulatory landscape for organic pigments requires staying current with multiple frameworks across jurisdictions. This section covers the key regulations that affect pigment selection, documentation, and compliance for manufacturers and downstream users.

From EU REACH registration requirements and FDA indirect food contact compliance to China’s GB 9685 positive list and the Swiss Ordinance on food contact materials, we break down what each standard means for your pigment choices. You’ll also find practical guidance on GHS hazard classification, country-by-country heavy metal limit comparisons, and ecotoxicity data interpretation.

Whether you’re preparing a regulatory dossier for a new product launch or verifying compliance for an existing formulation, these resources help you stay ahead of regulatory changes and avoid costly compliance gaps.

REACH

EU Regulation EC 1907/2006 — Registration, Evaluation, Authorisation and Restriction of Chemicals

What it means for pigments

  • Organic pigments imported into the EU must be REACH-registered (pre-registration or full registration depending on tonnage)
  • Substances of Very High Concern (SVHC) may require authorization
  • Some historically common pigments are restricted under REACH Annex XVII

Commonly REACH-Compliant Pigment Families

Phthalocyanine blues and greens (PB15, PG7) — widely registered. Quinacridones (PV19, PR122) — widely registered. DPP pigments (PR254) — widely registered. Iron oxides (PR101, PY42, PBk11) — widely registered.

What to request: REACH compliance statement, SVHC content confirmation (<0.1% w/w), tonnage band registration confirmation.

RoHS

EU Directive 2011/65/EU — Restriction of Hazardous Substances in electrical and electronic equipment

Restricted Substances

Substance Limit Impact on Pigments
Lead (Pb) <1000 ppm Affects lead chromate/molybdate pigments
Cadmium (Cd) <100 ppm Affects cadmium pigments
Hexavalent Chromium (Cr⁶⁺) <1000 ppm Affects chrome pigments
Mercury (Hg) <1000 ppm Rare in pigments
Most organic pigments (azo, phthalocyanine, quinacridone, DPP) are RoHS-compliant by nature. Lead chromate yellows (PY34) and molybdate oranges (PR104) are generally not RoHS-compliant.

FDA Food-Contact (USA)

21 CFR — U.S. Food and Drug Administration regulations for food-contact materials

What it means for pigments

  • Pigments in food-contact plastics/coatings/inks must be listed in 21 CFR §178.3297
  • Selected phthalocyanine blues (PB15:3) are listed for repeat-use articles
  • Many azo pigments are NOT listed due to potential primary aromatic amine (PAA) release
What to request: FDA compliance letter, heavy metal analysis, PAA analysis for azo pigments.

AP(89)-1

Council of Europe Resolution on colorants in plastic food-contact materials

Purity Limits (selected)

Substance Limit Substance Limit
Lead (Pb) 100 ppm Cadmium (Cd) 100 ppm
Mercury (Hg) 50 ppm Hexavalent Cr (Cr⁶⁺) 100 ppm
Primary Aromatic Amines (total) 500 ppm PCBs 25 ppm

Heavy Metal Limits — General

Metal Typical Limit Concern Risk Pigments
Lead (Pb) <100 ppm Neurotoxin Chrome yellows, moly oranges
Cadmium (Cd) <100 ppm Carcinogen Cadmium pigments
Mercury (Hg) <50 ppm Neurotoxin Rare
Hexavalent Cr <100 ppm Carcinogen Chrome pigments
Arsenic (As) <100 ppm Carcinogen Natural iron oxides
Selenium (Se) <100 ppm Cumulative toxicity Rare
Antimony (Sb) <250 ppm Respiratory irritant Rare
Most synthetic organic pigments (azo, phthalo, quinacridone, DPP) carry very low heavy metal risk. Chrome-based and cadmium-based pigments are the primary concern.

How to Verify Compliance

  1. Request documentation upfront — don’t wait for the shipment to arrive
  2. Check the test date — compliance certificates older than 2 years may not reflect current production
  3. Spot-test incoming lots — especially for heavy metals in pigment types known to carry risk
  4. Understand your end-market — EU (REACH), USA (FDA/TSCA), China (GB) all have different requirements

Disclaimer: This guide provides general regulatory information and does not constitute legal advice. Always consult your regulatory affairs team or qualified consultant for application-specific compliance requirements.

Need compliance documentation?

REACH, RoHS, FDA, and AP(89)-1 documentation available on request with every order.

Request Compliance Docs

GHS Classification & Labeling

The Globally Harmonized System (GHS) of Classification and Labeling of Chemicals is an international standard managed by the United Nations. It ensures consistent hazard communication across borders for pigments and chemical products worldwide.

Key GHS Elements for Pigments

Element Relevance to Pigments
Physical Hazards Combustible dust classification for fine powder pigments; self-heating potential for certain organic pigments
Health Hazards Skin sensitization (Skin Sens. 1), respiratory sensitization (Resp. Sens. 1), specific target organ toxicity (STOT) for certain pigment intermediates
Environmental Hazards Aquatic toxicity classification (Aquatic Acute/Chronic) for pigments that may leach into water systems
SDS Requirements Section 2 (Hazard Identification), Section 8 (Exposure Controls), Section 11 (Toxicological Information), Section 12 (Ecological Information)

GHS Implementation by Region

Region GHS Version Building Block Key Differences
EU (CLP Regulation) GHS Rev. 8 Full adoption EUH statements, specific concentration limits
USA (OSHA HCS) GHS Rev. 7 Partial adoption No environmental hazards, different category cutoffs
China (GB 30000 series) GHS Rev. 4 Partial adoption Building block approach, some local variations
South Korea (MoEL) GHS Rev. 6 Partial adoption Stricter CMR classifications
Japan (JIS Z 7253) GHS Rev. 6 Full adoption Government-suggested classifications

Country-Specific Heavy Metal Limits Comparison

Regulatory thresholds for heavy metals in pigments vary significantly by region and application. This comparison table helps you select pigments that meet the most stringent requirements across your target markets.

Heavy Metal Limit Comparison (ppm)

Metal EU Toy Safety
(EN 71-3)
EU AP(89)-1
Food Contact
USA CONEG
Model Toxics
China GB 9685
Food Contact
Japan JHOSPA
Voluntary
Lead (Pb) 90 (Cat I) 100 100 100 100
Cadmium (Cd) 40 (Cat I) 100 100 100 100
Mercury (Hg) 25 (Cat I) 50 100 100 100
Hexavalent Cr (Cr⁶⁺) 0.02 μg (migration) 100 100 100 100
Arsenic (As) 20 (Cat I) 100 100
Antimony (Sb) 20 (Cat I) 500
Barium (Ba) 1000 (Cat I) 100
Selenium (Se) 20 (Cat I) 100

Application-Specific Thresholds

Application Key Standard Most Restrictive Limit Strictest Jurisdiction
Toys EN 71-3, ASTM F963 Pb: 90 ppm (Cat I), Cd: 40 ppm (Cat I) EU
Food Contact Plastics AP(89)-1, 21 CFR Pb: 100 ppm, Hg: 50 ppm EU
Packaging CONEG, EU 94/62/EC Sum Pb+Cd+Hg+Cr⁶⁺: 100 ppm EU / USA
Cosmetic Packaging EU 1223/2009 Very strict — often requires migration testing EU
Electronics (RoHS) RoHS 2011/65/EU Pb: 1000 ppm, Cd: 100 ppm EU

Ecotoxicity & Environmental Fate

Understanding the environmental impact of pigments is critical for regulatory compliance and sustainability goals. This section covers key ecotoxicity parameters and their regulatory relevance for pigment selection.

Key Ecotoxicity Parameters

Parameter Description Regulatory Context
LC₅₀ / EC₅₀ (Aquatic) Lethal/Effect concentration for 50% of test organisms (fish, daphnia, algae) Required for REACH registration ≥10 t/yr; determines GHS Aquatic classification
NOEC No Observed Effect Concentration Used for PNEC derivation in environmental risk assessment
Log Kow Octanol-Water Partition Coefficient; high Log Kow indicates bioaccumulation potential B/vPvB assessment under REACH; Log Kow >4 triggers further testing
Biodegradability Ready vs. inherent biodegradability (OECD 301/302) Persistence assessment (PBT/vPvB); most pigments are poorly biodegradable
BCF Bioconcentration Factor — ratio in organism vs. water B (Bioaccumulative) criterion: BCF >2000 L/kg

Pigment-Specific Environmental Considerations

Pigment Class Environmental Profile Regulatory Risk
Phthalocyanines (PB15, PG7) Very low water solubility; minimal aquatic toxicity; not readily biodegradable Low — well-characterized, extensive REACH data
Quinacridones (PV19, PR122) Very low solubility; limited ecotoxicity data but low bioavailability expected Low — well-registered under REACH
DPP Pigments (PR254) Low solubility; limited ecotoxicity data; Log Kow varies by substitution Low-Medium — check Log Kow for vPvB triggers
Azo Pigments (PY83, PR170) Variable; potential PAA release upon degradation; some aquatic toxicity concerns Medium — monitor for PAA impurities and degradation products
Iron Oxides (PR101, PY42, PBk11) Natural minerals; low toxicity; widely considered environmentally benign Very Low — generally exempt from many ecotoxicity requirements
Chrome Pigments (PY34, PR104) Heavy metal content (Pb, Cr⁶⁺) poses significant ecotoxicity risk High — restricted or banned in many applications

What to Request from Your Supplier

  • REACH Chemical Safety Report (CSR) — includes PBT/vPvB assessment and exposure scenarios
  • Ecotoxicological Summary — LC₅₀/EC₅₀ data for the three trophic levels (fish, daphnia, algae)
  • Biodegradability Study — OECD 301 ready biodegradability or OECD 302 inherent biodegradability
  • Log Kow Data — measured or QSAR-estimated octanol-water partition coefficient
  • Waste Disposal Guidance — recommended disposal methods and any special handling requirements
Pro Tip: For EU market access, ensure your pigment supplier can provide a completed REACH registration dossier including Annex VII-X data. The registration number alone is not sufficient for customers with downstream obligations.

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