Is Benzothiazole safe in cosmetics?
Benzothiazole has a safety rating of "MODERATE" in our database. EU status: prohibited. US status: permitted.
Moderate
Cosmetic Ingredient
Benzothiazole
Also known as: 4-27-00-01069, BRN 0109468, EINECS 202-396-2, FEMA No. 3256, FEMA Number 3256 (+3 more)
INCI: BENZOTHIAZOLE
Benzothiazole (CAS 95-16-9) is a cosmetic cosmetic ingredient functioning as Fragrance ingredient (RIFM-assessed); not a UV filter. EU Regulation 1223/2009 status: prohibited. Industrial safety data is also available in the chemical safety database. Same-CAS public records also appear in industrial chemical safety and pharmaceutical data.
View industrial chemical safety profile for CAS 95-16-9 →
Auto-generated CPSR Part A draft with source citations
Cross-Vertical Regulatory Divergence
Benzothiazole is prohibited in EU cosmetics but has active industrial GHS classifications (H301, H311, H302, H319, H332).
Source: Cosmetics: ingredients.eu_status; Chemicals: ghs_classifications.signal_word/hazard_statement_code
Function
Fragrance ingredient (RIFM-assessed); not a UV filter
Safety Rating
MODERATE
Regulatory Status
EU EU Status
prohibited
US US Status
permitted
US Notes
Not specifically regulated as a cosmetic active; RIFM fragrance ingredient safety assessment published (2018)
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Benzothiazole.
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
1 - 10 tonnes
Substance Type
SUBSTANCE
SVHC Candidate
No
Function Categories & List Membership
Cosmetic/Chemical Function Categories
Brightener
Flavouring and nutrient
Fragrance
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 Benzothiazole.
Regulatory Flags
potential-allergen
fragrance-component
ifra_fragrance
fda_food_additive
jecfa_safe
Known Synonyms
4-27-00-01069
BRN 0109468
EINECS 202-396-2
FEMA No. 3256
FEMA Number 3256
USAF EK-4812
UNII-G5BW2593EP
BT
Chemical Function
Fragrance
Flavouring and nutrient
Brightener
Regulatory Lists
air; Cons electronics mech appliances and machinery; detected; emissions; Europe
air; detected; emissions; Europe; Toys and children's products
air; detected; emissions; Europe; Other indirect contact consumer goods
detected; Europe; Other indirect contact consumer goods
detected; emissions; Europe; Other indirect contact consumer goods; water
detected; MN Chemical Screening; surface_water
detected; Toys and children's products
IFRA Transparency
Europe
food_additive; Substances Added to Food (formerly EAFUS) (2/2019)
consumer_product
active_ingredient; agricultural; Pesticides
Australian Status
AICIS status: listed
Cross-Vertical Safety Context
Same-CAS public records found in pharmaceutical data.
SOURCE
ChEMBL / DrugCentral / FAERS
DB_PHARMA CAS match
Pharmaceutical Data
Same-CAS rows from the pharmaceutical spoke database.
Compound
BENZO[D]THIAZOLE
ChEMBL ID
CHEMBL510309
Frequently Asked Questions
Is Benzothiazole allowed in the EU?
Benzothiazole EU regulatory status: prohibited. This is based on EU Regulation 1223/2009 and its amendments.
What does Benzothiazole do in cosmetics?
Benzothiazole functions as: Fragrance ingredient (RIFM-assessed); not a UV filter. It is classified as a cosmetic ingredient in our database. CAS number: 95-16-9.
Is Benzothiazole used outside cosmetics?
Benzothiazole also appears in industrial chemical safety and pharmaceutical data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.
Does Benzothiazole have different safety status in cosmetics vs industrial chemicals?
Benzothiazole is prohibited in EU cosmetics but has active industrial GHS classifications (H301, H311, H302, H319, H332).
Compliance Tools
Check Benzothiazole 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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