Is Erythrulose safe in cosmetics?
Erythrulose has a safety rating of "GOOD" in our database. EU status: permitted. US status: permitted.
Good
Cosmetic Ingredient
Erythrulose
Also known as: L-Erythrulose, 2-Butanone, 1,3,4-trihydroxy-, (3S)-, 2-Butanone, 1,3,4-trihydroxy-, (S)-, L-glycero-Tetrulose, (3S)-1,3,4-Trihydroxybutan-2-one (+1 more)
INCI: ERYTHRULOSE
Erythrulose (CAS 533-50-6) is a cosmetic cosmetic ingredient functioning as Skin Protecting, Tanning. EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database. Same-CAS public records also appear in industrial chemical safety data.
View industrial chemical safety profile for CAS 533-50-6 →
Auto-generated CPSR Part A draft with source citations
Function
Skin Protecting, Tanning
Safety Rating
GOOD
Chemistry & Identifiers
IUPAC Name
(3S)-1,3,4-trihydroxybutan-2-one
InChIKey
UQPHVQVXLPRNCX-VKHMYHEASA-N
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
Not an approved color additive under 21 CFR Parts 73/74/82; FDA enforcement discretion when used as tanning enhancer with DHA; CIR concluded safe as presently used
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Erythrulose.
Calculate MoS for your specific formulation with the MoS Calculator.
ECHA REACH Registration
European Chemicals Agency REACH dossier and Substances of Very High Concern listing.
Registration Type
Full
Tonnage Band
10 - 100 tonnes
Substance Type
SUBSTANCE
SVHC Candidate
No
Additional Ingredient Properties
2 property records from structured ingredient metadata.
hair_dye
{"cas_number": "533-50-6", "ingredient_class": "other", "chemical_class": "other", "molecular_weight_Da": "120.10", "color_result_on_hair": "Golden-brown (Maillard reaction)", "shade_range": "blonde", "primary_function": "direct_deposit", "requires_developer": "no", "deposit_only": "yes", "permanence": "semi_permanent", "wash_fastness_shampoos": "5-10", "hair_penetration_depth": "surface_only", "s…
self_tanning
{"cas_number": "533-50-6", "ingredient_class": "self_tanner", "tanning_mechanism": "Maillard_reaction", "color_development_onset_hours": "24.0", "full_color_development_hours": "72", "color_duration_days": "7", "color_depth": "light", "undertone": "neutral", "color_uniformity": "excellent", "fade_pattern": "even", "DHA_concentration_if_applicable_pct": "0", "erythrulose_concentration_pct": "1-3", …
Expert Verdict
Expert safety assessment and concern-level summary for Erythrulose.
Regulatory Flags
self-tanning
maillard-reaction
biotechnology-derived
ketose-sugar
dha-synergist
nicnas-reviewed
cir-reviewed
us-regulatory-grey-zone
Known Synonyms
L-Erythrulose
2-Butanone, 1,3,4-trihydroxy-, (3S)-
2-Butanone, 1,3,4-trihydroxy-, (S)-
L-glycero-Tetrulose
(3S)-1,3,4-Trihydroxybutan-2-one
EC No.: 610-990-1
Australian Status
AICIS status: listed_with_terms
Specific information requirements: Obligations to provide information apply. You must tell us within 28 days if the circumstances of your importation or manufacture (introduction) are different to those in our assessment.
Frequently Asked Questions
Is Erythrulose allowed in the EU?
Erythrulose EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Erythrulose do in cosmetics?
Erythrulose functions as: Skin Protecting, Tanning. It is classified as a cosmetic ingredient in our database. CAS number: 533-50-6.
Is Erythrulose used outside cosmetics?
Erythrulose also appears in industrial chemical safety data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.
Compliance Tools
Check Erythrulose compliance across multiple jurisdictions:
Ingredient Decoder
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82 Allergen Checker
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Substance Compliance
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MoS Calculator
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Heavy Metal Limits
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