Is CI 17200 safe in cosmetics?
CI 17200 has a safety rating of "GOOD" in our database. EU status: permitted. US status: permitted. 10 toxicological study endpoint(s) are available in our database.
CI 17200
Also known as: 2,7-Naphthalenedisulfonic acid, 5-amino-4-hydroxy-3-(phenylazo)-, disodium salt, D & C Red No. 33, C.I. Red 33, disodium salt, C.I. Reducing Agent 6, Disodium 2-phenylazo-3,5-naphthalenedisulfonate (+7 more)
CI 17200 (CAS 3567-66-6) is a cosmetic cosmetic ingredient functioning as Colorant. NOAEL 20 mg/kg bw/day (cross-referenced against 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 3567-66-6 →
Auto-generated CPSR Part A draft with source citations
Chemistry & Identifiers
IUPAC Name
disodium;5-amino-4-hydroxy-3-phenyldiazenylnaphthalene-2,7-disulfonate
InChIKey
LQJVOKWHGUAUHK-UHFFFAOYSA-L
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
FDA-approved as D&C Red No. 33; permitted for externally applied cosmetics, mouthwashes, dentifrices, and lipsticks (max 3% in lipstick); not permitted for use in the eye area; 21 CFR 74.1333
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for CI 17200.
Calculate MoS for your specific formulation with the MoS Calculator.
Toxicological Studies
10 study endpoints found for CI 17200. 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 | = mg/kg bw | oral | rat | developmental toxicity | SCCS_vision_codex |
| NOAEL | = mg/kg bw | oral | rat | developmental toxicity | SCCS_vision_codex |
| NOAEL | = mg/kg bw | oral | rat | developmental toxicity | SCCS_vision_codex |
| NOAEL | = mg/kg bw | oral | rat | developmental toxicity | SCCS_vision_codex |
| NOAEL | =0.18 mg/kg | oral | rat | dermal absorption | SCCS_vision_codex |
| NOAEL | =0.18 mg/kg | oral | rat | dermal absorption | SCCS_vision_codex |
| NOAEL | =0.18 mg/kg | oral | rat | dermal absorption | SCCS_vision_codex |
| NOAEL | =0.18 mg/kg | oral | rat | dermal absorption | SCCS_vision_codex |
| NOAEL | =25 mg/kg bw/d | oral | rat | NOAEL study | SCCS_vision_codex |
| NOAEL | =25 mg/kg | oral | rat | dermal absorption | SCCS_vision_codex |
Pre-Calculated Safety Assessment
Pre-calculated NOAEL → SED → MoS audit trail for CI 17200 across SCCS product categories, with measured dermal absorption where available.
ECHA REACH Registration
European Chemicals Agency REACH dossier and Substances of Very High Concern listing.
Registration Type
Full
Tonnage Band
1 - 10 tonnes
Substance Type
SUBSTANCE
SVHC Candidate
No
EU CosIng Annex Listing
European Commission CosIng database Annex references per Regulation (EC) No 1223/2009.
Annex IV — Permitted Colorants
Product type: Red
Expanded Jurisdictional Detail
Additional regulatory detail beyond the 7-jurisdiction summary: Saudi SFDA, Korea MFDS, ASEAN ACD, Japan/Korea, Brazil/India, and cross-jurisdictional restriction entries.
SA Saudi SFDA (III - Restricted)
Product type: Hair dye substance in non-oxidative hair dye products. Max: 0.005.
BRIN Brazil/India Cosmetics
India: Restricted · max 0.005
India: Permitted Colorant
Additional Jurisdictional Restrictions (1)
| Jurisdiction | Status | Max % | Product Type |
|---|---|---|---|
| ASEAN | permitted_colorant | - | Not eye area |
Expanded Dermal Absorption Data
Cross-database dermal penetration: EPA Dryad physics-based, Roberts Mendeley permeation, and SCCS-aggregated measured values.
Aggregated DA Values (1 records across 5 sources)
| Type | DA % | Method | Skin Model | SCCS Ref |
|---|---|---|---|---|
| measured_sccs_opinion | 15.2% | - | - | 2007-12-18 |
Additional Ingredient Properties
1 property record from structured ingredient metadata.
colorant
{"Common_Name": "D&C Red No. 33", "Chemical_Name": "Acid Red 33", "CAS_Number": "3567-66-6", "Colorant_Type": "Synthetic Dye", "Approved_Uses": "All cosmetics", "Max_Concentration_%": "No limit", "EU_Status": "Approved", "US_FDA_Status": "Approved 21 CFR 74.333", "Notes": "Monoazo dye"}
Function Categories & List Membership
Cosmetic/Chemical Function Categories
Dye
Fragrance
Regulatory List Membership (4)
EU Restricted for Children (Cosmetics)
IFRA Fragrance Transparency List
EPA Safer Chemical Ingredients List (SCIL)
EU CosIng Cosmetics Ingredient Database
Expert Verdict
Expert safety assessment and concern-level summary for CI 17200.
Regulatory Flags
azo-dye
fda-certified
eu-permitted
eye-area-restriction
lipstick-max-3-percent
synthetic-colorant
eu_children_restricted
epa_safer_alternative
ifra_fragrance
eu_cosing_listed
NOAEL Studies Summary
View details ->Public NOAEL study rows linked to CI 17200 by CAS number or substance name.
Studies
36
Lowest NOAEL
0
Highest NOAEL
2500
Units vary across source rows: mg/kg bw/day, mg/kg bw/d, mg/kg bw
ToxValDB_ECHA_IUCLID
SCCS_vision_codex
Dermal Absorption
View details ->| Absorption % | Method | Vehicle |
|---|---|---|
| 15.2% | SCCS opinion extraction | - |
Known Synonyms
2,7-Naphthalenedisulfonic acid, 5-amino-4-hydroxy-3-(phenylazo)-, disodium salt
D & C Red No. 33
C.I. Red 33, disodium salt
C.I. Reducing Agent 6
Disodium 2-phenylazo-3,5-naphthalenedisulfonate
Edicol Supra 10B
Edicol Supra 10BS
EINECS 222-656-9
NSC 12190
NSC 5004
Redusol Z
UNII-9DBA0SBB0L
Chemical Function
Dye
Fragrance
Regulatory Lists
IFRA Transparency
Europe; Personal care - hair coloring
Europe; Personal care - hair coloring
Europe; Personal care - hair coloring
children; Europe; Personal care
children; Europe; Personal care - specialized bath products - bath salts
children; Europe; Personal care - general moisturizing - hand/body lotion
children; Europe; Personal care - body hygiene - body wash
children; Europe; Personal care - hair styling and care - shampoo
children; Europe; Personal care - specialized bath products - bubble bath
children; Europe; Personal care
children; Europe; Personal care
children; Europe; Personal care
inert_ingredient; non_food_use; Pesticides
pharmaceutical
Personal care
SCIL (9/2019)
Europe; Personal care; restricted
Australian Status
AICIS status: listed
Frequently Asked Questions
Is CI 17200 allowed in the EU?
CI 17200 EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does CI 17200 do in cosmetics?
CI 17200 functions as: Colorant. It is classified as a cosmetic ingredient in our database. CAS number: 3567-66-6.
What is the NOAEL for CI 17200?
The NOAEL (No Observed Adverse Effect Level) for CI 17200 is =0 mg/kg bw based on a developmental toxicity study via oral route in rat. A total of 10 study endpoints are available. Source: SCCS_vision_codex.
Is CI 17200 used outside cosmetics?
CI 17200 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 CI 17200 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
Related Ingredients
CI 40800 (Beta-Carotene)
Excellent
Same category
Colorant. Synthetic or naturally deri...
CI 75130 (Beta-Carotene)
Excellent
Same category
Colorant. Synthetic or plant-derived ...
CI 75170 (Guanine)
Excellent
Same category
Colorant. Natural crystalline materia...
CI 77004 (Kaolin)
Excellent
Same category
Colorant. Natural white clay mineral ...
CI 77007 (Ultramarine Blue)
Excellent
Same category
Colorant. Inorganic mineral pigment s...
CI 77019 (Mica)
Excellent
Same category
Colorant; Opacifying Agent; Bulking A...
(AGARICUS BLAZEI FERMENT + GANODERMA LUCIDUM FERMENT + GANODERMA MULTIPILEUM FERMENT) EXTRACT
Good
Similar safety
Anti-sebum, Antioxidant, Skin Protecting
(ANGELICA ACUTILOBA/PAEONIA LACTIFLORA/REHMANNIA GLUTINOSA) ROOT/CNIDIUM OFFICINALE RHIZOME EXTRACT
Good
Similar safety
Skin Conditioning, Skin Conditioning ...
(ANGELICA ACUTILOBA/PAEONIA LACTIFLORA/REHMANNIA GLUTINOSA/SCUTELLARIA BAICALENSIS) ROOT/(CNIDIUM OFFICINALE/COPTIS CHINENSIS) RHIZOME/GARDENIA JASMINOIDES FRUIT/PHELLODENDRON CHINENSE BARK EXTRACT
Good
Similar safety
(ANGELICA GIGAS/GLYCYRRHIZA URALENSIS/REHMANNIA GLUTINOSA ROOT)/ANGELICA GIGAS STEM/CARTHAMUS TINCTORIUS FLOWER/(CARTHAMUS TINCTORIUS/PRUNUS PERSICA SEED)PORIA COCOS WATER
Good
Similar safety
Humectant, Skin Conditioning, Skin Pr...
(ANGELICA KEISKEI/CHRYSANTHEMUM ZAWADSKII) LEAF/STEM/CINNAMOMUM CASSIA BARK/TRICHOSANTES KIRILOWII FRUIT/ULMUS DAVIDIANA BARK/ROOT/(PAEONIA JAPONICA/BUPLEURUM FALCATUM/POLYGALA TENUIFOLIA ROOT)/VISCUS ALBUM STEM EXTRACT
Good
Similar safety
Anti-seborrheic, Anti-sebum, Antioxid...
(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
Acid Red 33
Good
Chemical family
Cosmetic colorant
CI 14720 (Carmoisine / Azorubine)
Moderate
Chemical family
Colorant. Synthetic monoazo red dye (...
Red 33 (CI 17200)
Good
Chemical family
non-reactive (semi-permanent) dye, co...
Is CI 17200 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 CI 17200 in your formulation.