Moderate Cosmetic Ingredient NOAEL Data

PEG-200 Castor Oil

Also known as: Castor oil, ethoxylated, Cremophor EL Castor Oil, POLYOXYETHYLENE CASTOR ETHE, OILS, POLYOXY ETHYLATED CASTOR, OILS, CASTOR, ETHOXYLATED (+15 more)

PEG-200 Castor Oil (CAS 61791-12-6) is a cosmetic cosmetic ingredient functioning as Cleaning agent; Dispersing agent; Emulsifier; Fragrance; Lubricating agent;. Reported NOAEL =46.25 mg/kg bw/day in Dog (ToxValDB_ECHA_IUCLID); 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 61791-12-6 →

Auto-generated CPSR Part A draft with source citations
Function
Cleaning agent; Dispersing agent; Emulsifier; Fragrance; Lubricating agent; Processing aids not otherwise specified; Softener and conditioner; Surface modifier; Surfactant (surface active agent); Wetting agent (non-aqueous)
Safety Rating
MODERATE

Chemistry & Identifiers

EC Number
500-151-7

Regulatory Status

EU EU Status permitted
US US Status permitted
US Notes CIR: SQ - IJT 33(Suppl 4):13-39, 2014

For full compliance data across multiple jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety, dermal absorption, and sensitization profile summaries for PEG-200 Castor Oil.

Calculate MoS for your specific formulation with the MoS Calculator.

Toxicological Studies

2 study endpoints found for PEG-200 Castor Oil. NOAEL (No Observed Adverse Effect Level) values are used to calculate the Margin of Safety per SCCS methodology.

Endpoint Value Route Species Study Type Source
NOAEL =46.25 mg/kg bw/day oral Dog subchronic ToxValDB_ECHA_IUCLID
NOAEL =480 mg/kg bw/day oral Rat subchronic ToxValDB_ECHA_IUCLID

ECHA REACH Registration

European Chemicals Agency REACH dossier and Substances of Very High Concern listing.

Registration Type
Full
Tonnage Band
1,000 - 10,000 tonnes
Substance Type
SUBSTANCE
SVHC Candidate
No

Additional Ingredient Properties

1 property record from structured ingredient metadata.

emulsifier
{"cas_number": "61791-12-6", "ingredient_class": "O/W_emulsifier", "chemical_type": "PEG_ester", "HLB_value": "18.5", "HLB_required_for_oil_phase": "16-20", "emulsion_type_primary": "O/W", "droplet_size_typical_um": "0.5-2", "critical_micelle_concentration_pct": "0.005-0.02", "surface_tension_reduction_mN_m": "64", "interfacial_tension_reduction": "68", "foam_formation": "moderate", "foam_stabilit…

Function Categories & List Membership

Cosmetic/Chemical Function Categories
Cleaning agent Dispersing agent Emulsifier Fragrance Lubricating agent Processing aids not otherwise specified Softener and conditioner Surface modifier Surfactant (surface active agent) Wetting agent (non-aqueous)
Regulatory List Membership (4)
IFRA Fragrance Transparency List EPA Safer Chemical Ingredients List (SCIL) FDA Indirect Food Contact Additives Consumer Product Chemical

Expert Verdict

Expert safety assessment and concern-level summary for PEG-200 Castor Oil.

Regulatory Flags

plant-oil peg-ingredient epa_safer_alternative ifra_fragrance

NOAEL Studies Summary

View details ->

Public NOAEL study rows linked to PEG-200 Castor Oil by CAS number or substance name.

Studies
2
Lowest NOAEL
46.25 mg/kg bw/day
Highest NOAEL
480 mg/kg bw/day
ToxValDB_ECHA_IUCLID

Known Synonyms

Castor oil, ethoxylated Cremophor EL Castor Oil POLYOXYETHYLENE CASTOR ETHE OILS, POLYOXY ETHYLATED CASTOR OILS, CASTOR, ETHOXYLATED Caster oil ethoxylated PEG 200 castor oil PEG 75 castor oil EC No.: 500-151-7 Cremaphor Emulphor EL-620 Polyoxyethylated castor oil UNII-6D4M1DAL6O Polyoxyl 35 castor oil UNII-4ERD2076EF UNII-GF873K38RZ UNII-VXP26NM2XX Castor oil, ethoxylated (36 mol EO average molar ratio) Polyethylene glycol (36) castor oil Polyoxyethylene (36) castor oil

Chemical Function

Cleaning agent Surfactant (surface active agent)

Regulatory Lists

SCIL (9/2019) Indirect additives food contact (10/2018) inert_ingredient; Pesticides inert_ingredient; non_food_use; Pesticides IFRA Transparency consumer_product fracking; water consumer_product Indirect additives food contact (10/2018) active_ingredient; Pesticides active_ingredient; Pesticides active_ingredient; Pesticides

Australian Status

AICIS status: listed

Frequently Asked Questions

Is PEG-200 Castor Oil safe in cosmetics?

PEG-200 Castor Oil has a safety rating of "MODERATE" in our database. EU status: permitted. US status: permitted. 2 toxicological study endpoint(s) are available in our database.

Is PEG-200 Castor Oil allowed in the EU?

PEG-200 Castor Oil EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does PEG-200 Castor Oil do in cosmetics?

PEG-200 Castor Oil functions as: Cleaning agent; Dispersing agent; Emulsifier; Fragrance; Lubricating agent; Processing aids not otherwise specified; Softener and conditioner; Surface modifier; Surfactant (surface active agent); Wetting agent (non-aqueous). It is classified as a cosmetic ingredient in our database. CAS number: 61791-12-6.

What is the NOAEL for PEG-200 Castor Oil?

The NOAEL (No Observed Adverse Effect Level) for PEG-200 Castor Oil is =46.25 mg/kg bw/day based on a subchronic study via oral route in Dog. A total of 2 study endpoints are available. Source: ToxValDB_ECHA_IUCLID.

Is PEG-200 Castor Oil used outside cosmetics?

PEG-200 Castor Oil also appears in industrial chemical safety data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.

Is PEG-200 Castor Oil in Your Products?

Scan any product label with Piro — our free ingredient scanner. Point your camera at the ingredients list and get instant safety scores for every ingredient.

Try Piro Free →

Analyze Your Full Ingredient List

Paste any INCI list into the Decoder for instant safety analysis, or calculate the Margin of Safety for PEG-200 Castor Oil in your formulation.