Is ETHYLCELLULOSE safe in cosmetics?
ETHYLCELLULOSE has a safety rating of "GOOD" in our database. EU status: restricted. US status: restricted.
ETHYLCELLULOSE
Also known as: G 50, T 100, Cellulose ethyl ether, Cellulose, triethyl ether, Ethocel E50 (+12 more)
ETHYLCELLULOSE (CAS 9004-57-3) is a cosmetic uv filter / sunscreen functioning as UV Filter. EU Regulation 1223/2009 status: restricted. Industrial safety data is also available in the chemical safety database. Same-CAS public records also appear in food safety data.
View industrial chemical safety profile for CAS 9004-57-3 →
Auto-generated CPSR Part A draft with source citations
Function
UV Filter
Safety Rating
GOOD
Regulatory Status
EU EU Status
restricted
US US Status
restricted
US Notes
CIR: S - Final Report 3/2009 Available from CIR
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for ETHYLCELLULOSE.
Calculate MoS for your specific formulation with the MoS Calculator.
HRIPT Human Patch Test Studies
1 human repeat insult patch test aggregated from dermatological literature.
| Test Type | N | Sensitized | Dose µg/cm² | NESIL µg/cm² | Potency |
|---|---|---|---|---|---|
| HMT | - | 0 | 9900 | - | - |
Additional Ingredient Properties
3 property records from structured ingredient metadata.
biopolymer
{"cas_number": "9004-57-3", "polymer_class": "cellulose_derivative", "botanical_source": "Wood pulp/cotton (ethylated)", "molecular_weight_range_kDa": "20-300", "monosaccharide_composition": "glucose with ethyl groups", "degree_of_branching": "linear", "charge_type": "nonionic", "viscosity_1pct_solution_mPas": "ethanol_soluble_only", "pseudoplastic_behavior": "Newtonian", "thixotropy": "no", "yiel…
polymer
{"cas_number": "9004-57-3", "ingredient_class": "film_former", "polymer_type": "modified_natural", "chemical_backbone": "cellulose", "molecular_weight_Da_range": "70000-200000", "molecular_weight_distribution_PDI": "1.8-2.8", "glass_transition_temp_Tg_C": "129-133", "crystallinity_pct": "0", "branching_degree": "low", "ionic_character": "nonionic", "charge_density_meq_g": "0", "viscosity_1pct_aque…
rheology
{"cas_number": "9004-57-3", "rheology_modifier_type": "Natural-Derived Polymer - Cellulose Ether", "thickening_mechanism": "Chain entanglement in organic solvents", "viscosity_increase_factor": "1000-5000x (in organic phase)", "brookfield_viscosity_typical_cps": "2000-10000 (in organic phase)", "shear_thinning_behavior": "Low", "thixotropic": "No", "yield_stress_pa": "1-4", "flow_curve_type": "Nea…
Function Categories & List Membership
Cosmetic/Chemical Function Categories
Binder
Film former
Flavouring and nutrient
Fragrance
Pharmaceutical excipient
Processing aids not otherwise specified
Solvent
Thickening agent
Viscosity modifier
Regulatory List Membership (3)
IFRA Fragrance Transparency List
FDA Substances Added to Food (EAFUS)
Consumer Product Chemical
Expert Verdict
Expert safety assessment and concern-level summary for ETHYLCELLULOSE.
Regulatory Flags
EU Restricted
ifra_fragrance
fda_food_additive
Known Synonyms
G 50
T 100
Cellulose ethyl ether
Cellulose, triethyl ether
Ethocel E50
Ethocel N10
Ethocel N200
Triethyl cellulose
UNII-47MLB0F1MV
UNII-H3UP11403C
UNII-7Z8S9VYZ4B
UNII-3DYK7UYZ62
UNII-589D1IWM11
UNII-6I475159RA
UNII-BJG0S321QY
UNII-KC5472WRJK
UNII-V7AD894FAZ
Chemical Function
Film former
Viscosity modifier
Binder
Fragrance
Thickening agent
Regulatory Lists
inert_ingredient; non_food_use; Pesticides
food_additive; Substances Added to Food (formerly EAFUS) (2/2019)
Europe; Personal care - oral and dental care - teeth whitener
IFRA Transparency
consumer_product
Australian Status
AICIS status: listed
Cross-Vertical Safety Context
Same-CAS public records found in food safety data.
SOURCE
EFSA / FDA GRAS
food_additives
Food Safety Data
Same-CAS food additive or FDA GRAS records from the core public database.
Food Name
Ethyl cellulose
E Number
E462
ADI
NOT SPECIFIED mg/kg bw
Food Category
emulsifier
Frequently Asked Questions
Is ETHYLCELLULOSE allowed in the EU?
ETHYLCELLULOSE EU regulatory status: restricted. This is based on EU Regulation 1223/2009 and its amendments.
What does ETHYLCELLULOSE do in cosmetics?
ETHYLCELLULOSE functions as: UV Filter. It is classified as a UV Filter / Sunscreen in our database. CAS number: 9004-57-3.
Is ETHYLCELLULOSE used outside cosmetics?
ETHYLCELLULOSE also appears in food safety data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.
Compliance Tools
Check ETHYLCELLULOSE compliance across multiple jurisdictions:
Ingredient Decoder
Paste a full ingredient list for instant analysis
82 Allergen Checker
Check for EU declarable fragrance allergens
Substance Compliance
Check compliance across multiple jurisdictions
MoS Calculator
Calculate Margin of Safety using SCCS methodology
Heavy Metal Limits
Compare limits across jurisdictions
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Anti-sebum, Antioxidant, Skin Protecting
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Skin Conditioning, Skin Conditioning ...
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Similar safety
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(APPLE/CITRUS JUNOS/LENTIL/PEAR/PUMPKIN/STRAWBERRY/TOMATO FRUIT)/CORN KERNEL/(ARCTIUM LAPPA/BRASSICA OLERACEA ACEPHALA/CABBAGE/CAMELLIA SINENSIS/MORINGA OLEIFERA/RADISH/SPINACH LEAF)/(SORGHUM BICOLOR LEAF/STEM)/OAT MEAL/POTATO PULP/(CARROT/NELUMBO NUCIFERA/RADISH/WILD YAM ROOT)/(AMARANTHUS HYPOCHONDRIACUS/CASHEW/CICER ARIETINUM/COIX LACRYMA-JOBI MA-YUEN /MACADAMIA TERNIFOLIA/PHASEOLUS ANGULARIS/PISTACIA VERA/RHYNCHOSIA NULUBILIS/RICE/SESAME/SETARIA ITALICA/SOYBEAN/SWEET ALMOND/WHEAT SEED)/HORDEUM VULGARE SPROUT/CYPERUS ESCULENTUS TUBER/ARTEMISIA PRINCEPS/BROCCOLI/CHENOPODIUM QUINOA/ENTEROMORPHA COMPRESSA/HORDEUM VULGARE/IPOMOEA BATATAS/LAMINARIA JAPONICA/LENTINUS EDODES/PLEUROTUS OSTREATUS/PORPHYRA TENERA/UNDARIA PINNATIFIDA EXTRACT
Good
Similar safety
Antioxidant
C12-13 Alkyl Glyceryl Hydrolyzed Hyaluronate
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Skin conditioning, humectant, moistur...
CETETH-10
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Chemical family
Surfactant - Cleansing, Surfactant - ...
CETETH-2
Good
Chemical family
Surfactant - Emulsifying
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