What is the NOAEL for 2-Butanethiol, 2-methyl-?
2-Butanethiol, 2-methyl- has 4 NOAEL studies in the database. The lowest reported value is 26IU670827 UNII. Source: openFDA substances.
NOAEL Data
Cosmetic Ingredient
2-Butanethiol, 2-methyl-
Also known as: tert-Amyl mercaptan, EINECS 216-843-4, 2-Methybutane-2-thiol, 2-Methyl-2-butanethiol, NSC 60251 (+2 more)
CAS 1679-09-0
2-Butanethiol, 2-methyl- (CAS 1679-09-0) is a chemical substance. Key regulatory status: 1 regulatory/inventory list, cosmetic ingredient cross-reference; source data from EPA ToxValDB, EPA CPDat, AICIS.
Cross-Vertical Regulatory Divergence
2-Butanethiol, 2-methyl- is prohibited in EU cosmetics but has active industrial GHS classifications (H225, H302, H315, H317, H319, H335).
SOURCE
Cross-vertical comparison
Cosmetics: ingredients.eu_status; Chemicals: ghs_classifications.signal_word/hazard_statement_code
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noael studies public
NOAEL studies
4
SOURCE
chemical inventory jurisdictions
Regulatory lists
1
SOURCE
eu clp annex vi
GHS signal
Not classified
Chemical Identity
CAS, identifiers, formula, and alternate names for the matched substance record.
SOURCE
DSSTox identifiers
13 fields
Name
2-Butanethiol, 2-methyl-
CAS Number
1679-09-0
DTXSID
DTXSID5061877
Molecular Formula
C5H12S
InChI Key
IQIBYAHJXQVQGB-UHFFFAOYSA-N
Monoisotopic Mass
104.065972
Synonyms
tert-Amyl mercaptanEINECS 216-843-42-Methybutane-2-thiol2-Methyl-2-butanethiolNSC 60251tert-Pentyl mercaptan2-tert-Pentyl mercaptan
Functional Uses
Industrial and product-use categories associated with this substance.
SOURCE
EPA CPDat
2 records
FragranceFlavouring and nutrient
Regulatory Lists
Inventory, screening, and regulatory list matches from public chemical databases.
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EPA CPDat
1 records
| List | Keyword | Source |
|---|---|---|
| Europe | European Commission | Fl@vis |
NOAEL Studies
Toxicology endpoints rendered from public NOAEL study rows.
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NOAEL studies
Showing 4 of 4 studies
| Value | Unit | Endpoint | Route | Species | Source |
|---|---|---|---|---|---|
| 26IU670827 | UNII | FDA UNII substance identifier | - | - | openFDA substances |
| 26IU670827 | UNII | FDA UNII substance identifier | - | - | openFDA substances |
| 26IU670827 | UNII | FDA UNII substance identifier | - | - | openFDA substances |
| 26IU670827 | UNII | FDA UNII substance identifier | - | - | openFDA substances |
Showing 4 of 4 studies
Australian Status (AICIS)
Australian industrial chemicals inventory status and applicable conditions.
SOURCE
AICIS inventory
1 records
Inventory Status
listed
Cosmetic Safety Profile
Same-CAS cosmetic ingredient record for cross-vertical context.
SOURCE
CosIng / Ingredients DB
EU Status
prohibited
Max
-
Category
Fragrance
Cannabis Data
Same-CAS cannabis compliance and lab records where available.
SOURCE
Cannabis regulatory / lab data
efsa substances
1 cannabis record found in efsa substances.
View full cannabis profile →Frequently Asked Questions
What regulatory lists include 2-Butanethiol, 2-methyl-?
2-Butanethiol, 2-methyl- appears on 1 regulatory/inventory list including Europe. Source: EPA CPDat.
Is 2-Butanethiol, 2-methyl- used in cosmetics?
Yes, 2-Butanethiol, 2-methyl- is also indexed as a cosmetic ingredient under the name 2-Methylbutane-2-Thiol. View the full cosmetic safety profile on the ingredient page for detailed safety data, SCCS opinions, and regulatory status.
Where does the safety data for 2-Butanethiol, 2-methyl- come from?
Safety data is sourced from EPA ToxValDB, EPA CPDat, AICIS (Australian Industrial Chemicals Introduction Scheme), EPA DSSTox, CosIng / Ingredients DB, cannabis regulatory/lab databases. All data traces to primary regulatory sources and is updated from official government databases.
Does 2-Butanethiol, 2-methyl- have different safety status in cosmetics vs industrial chemicals?
2-Butanethiol, 2-methyl- is prohibited in EU cosmetics but has active industrial GHS classifications (H225, H302, H315, H317, H319, H335).
Is 2-Butanethiol, 2-methyl- used outside industrial chemicals?
2-Butanethiol, 2-methyl- also appears in cosmetics, cannabis databases.