What does the restriction note for 2-ACRYLAMIDO-2-METHYLPROPANE SULFONIC ACID mean?

The restriction field for 2-ACRYLAMIDO-2-METHYLPROPANE SULFONIC ACID reads: III/33. This is the restriction note from the CosIng inventory. For authoritative conditions and limits, always refer to the linked annex entries.

What other records share CAS 15214-89-8?

CAS 15214-89-8 may appear across multiple EU annex records. The CAS lookup page shows all Annex II–VI entries sharing this identifier, useful for identifying cross-annex regulatory status of the same chemical substance.

How do I check if my formula contains 2-ACRYLAMIDO-2-METHYLPROPANE SULFONIC ACID?

Use the INCI Checker to screen a full ingredient list across selected markets, or use the substance market comparison to review this identity across all supported market datasets.

InventoryRef 9529023/02/2018

2-ACRYLAMIDO-2-METHYLPROPANE SULFONIC ACID

AMPS,tert-Butylacrylamidosulfonic acid,1-Propanesulfonic acid, 2-Methyl-2-[(1-oxo-2-propen-1-yl)amino]-

2-ACRYLAMIDO-2-METHYLPROPANE SULFONIC ACID is linked to 1 EU annex record on this page. Inventory note: III/33.

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Regulatory evidence by market

This matrix separates verified ingredient rules from sources that are mapped but not yet imported. No imported rule does not mean the ingredient is permitted.

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Market	Evidence status	Records	Source language
European Union	Evidence linked Restricted entry found Open this evidence	1	English and EU languages
Great Britain	Source mapped Official source mapped; ingredient rule not imported	0	English
Canada	Source mapped Official source mapped; ingredient rule not imported	0	English and French
New Zealand	Source mapped Official source mapped; ingredient rule not imported	0	English
ASEAN	Source mapped Official source mapped; ingredient rule not imported	0	English and national languages
China	Source mapped Official source mapped; ingredient rule not imported	0	Chinese with selected English material
Japan	Source mapped Official source mapped; ingredient rule not imported	0	Japanese; official English translation available
South Korea	Source mapped Official source mapped; ingredient rule not imported	0	Korean with some English names
United States	Source mapped Official source mapped; ingredient rule not imported	0	English
Australia	Source mapped Official source mapped; ingredient rule not imported	0	English
Brazil	Source mapped Official source mapped; ingredient rule not imported	0	Portuguese with INCI crosswalks
India	Source mapped Official source mapped; ingredient rule not imported	0	English and Hindi
Saudi Arabia	Source mapped Official source mapped; ingredient rule not imported	0	Arabic and English

Chemical identity and properties

PubChem 2D chemical structure for CAS 15214-89-8

CAS 15214-89-8PubChem CID 65360

2-Acrylamido-2-methyl-1-propanesulfonic acid

2-Methyl-2-[(1-oxo-2-propenyl)amino]-1-propanesulfonic acid is an organosulfonic acid. — ChEBI

IUPAC name: 2-methyl-2-(prop-2-enoylamino)propane-1-sulfonic acid

Molecular formula: C7H13NO4S
Molecular weight: 207.25 g/mol
Exact mass: 207.05652907 Da
XLogP3: -0.4
Topological polar surface area: 91.9 Å²
Hydrogen-bond donors: 2
Hydrogen-bond acceptors: 4
Covalent units: 1
Defined stereocentres: 0

Also known as

AtBSacryloyldimethyltaurineLUBRIZOL AMPSTBAS-Q1-Propanesulfonic acid, 2-acrylamido-2-methyl-tert-butylacrylamidosulfonic acidacrylamide tert-butylsulfonic acidacrylamidomethylpropanesulfonic acid

16 more reported names

2-acrylamido-2-methylpropylsulfonic acid2-ACRYLAMIDO-2,2-DIMETHYLETHANESULFONIC ACIDRefChem:6738239-268-02-Acrylamide-2-methylpropanesulfonic acid2-Acrylamido-2-methylpropanesulfonic acid2-acrylamido-2-methylpropane-1-sulfonic acid2-Acrylamido-2-methylpropanesulfonate1-Propanesulfonic acid, 2-methyl-2-[(1-oxo-2-propenyl)amino]-2-Acrylamido-2-methylpropanesulphonic acid2-methyl-2-[(1-oxo-2-propenyl)amino]-1-propanesulfonic acid490HQE5KI52-methyl-2-(prop-2-enamido)propane-1-sulfonic acid1-Propanesulfonic acid, 2-methyl-2-((1-oxo-2-propenyl)amino)-Poly(2-acrylamido-2-methyl-1-propanesulfonic acid) solution1-Propanesulfonic acid, 2-methyl-2-((1-oxo-2-propen-1-yl)amino)-

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

ChEBI:CHEBI:166476
ChEMBL:CHEMBL1907040
EPA DTXSID:DTXSID5027770
PubMed:23109580
PubMed:22736370
PubMed:22730900
PubMed:22695698
PubMed:22294901
PubMed:22280401
PubMed:22233076
PubMed:22116660
PubMed:22016636
PubMed:21919207
PubMed:21786779
PubMed:21760786

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Inventory details for 2-ACRYLAMIDO-2-METHYLPROPANE SULFONIC ACID

INCI name

2-ACRYLAMIDO-2-METHYLPROPANE SULFONIC ACID

Description

AMPS,tert-Butylacrylamidosulfonic acid,1-Propanesulfonic acid, 2-Methyl-2-[(1-oxo-2-propen-1-yl)amino]-

Record provenance

Inventory reference: 95290
Imported identity: 2-ACRYLAMIDO-2-METHYLPROPANE SULFONIC ACID
Source update: 23/02/2018

European Commission CosIng source notes

Annex records for 2-ACRYLAMIDO-2-METHYLPROPANE SULFONIC ACID

Annex III Restriction reference

Entry 33

AMMONIUM FLUORIDE

CAS: 12125-01-8

EC: 235-185-9

Key data

CAS

15214-89-8

239-268-0

Restriction

III/33

Function

NOT REPORTED: No function currently reported.

Ingredients with overlapping formulation functions

1,6-HEXAMETHYLENE DIISOCYANATENOT REPORTED

2,3-EPOXYPROPYL COCODIMONIUM CHLORIDENOT REPORTED

2,3-EPOXYPROPYL LAURYLDIMONIUM CHLORIDENOT REPORTED

2,3-EPOXYPROPYLTRIMONIIUM CHLORIDENOT REPORTED

2-ALLYLOXYETHOXY GLUCOSIDENOT REPORTED

2-ETHYLHEXANOLNOT REPORTED

2-OCTYLACRYLATENOT REPORTED

3-(ACRYLOYLOXY)-2-HYDROXYPROPYL METHACRYLATENOT REPORTED

Additional official and scientific sources

11 external databases to check this identity in

Each link searches that source for this identity. What each source is, and its legal weight

ECHA CHEM / Information on chemicals PubChem PUG REST EU Safety Gate cosmetic product alerts ECHA CHEM US EPA CompTox Cosmetic Ingredient Review safety assessments FDA Global Substance Registration System ILO/WHO International Chemical Safety Cards Japan NITE-CHRIP NIOSH Pocket Guide to Chemical Hazards OECD eChemPortal

How 2-ACRYLAMIDO-2-METHYLPROPANE SULFONIC ACID appears in the CosIng inventory

The CosIng inventory lists 2-ACRYLAMIDO-2-METHYLPROPANE SULFONIC ACID as a cosmetic ingredient and this page links it to 1 annex record. The inventory entry captures names and identifiers, while the annex record shows where the substance is prohibited, restricted or positively listed in EU cosmetics law.

2-ACRYLAMIDO-2-METHYLPROPANE SULFONIC ACID is also tagged with 1 cosmetic function in the official data. Function labels describe intended use, but they do not replace regulatory review of linked annex records before formulation or labelling work.

Frequently asked questions

2-ACRYLAMIDO-2-METHYLPROPANE SULFONIC ACID appears in the EU CosIng inventory and has linked annex records. Check the annex records above for applicable restrictions, concentration limits and conditions of use. Annex II listing means prohibited; Annex III means restricted; Annexes IV, V and VI mean permitted under specified conditions.

The restriction field for 2-ACRYLAMIDO-2-METHYLPROPANE SULFONIC ACID reads: "III/33". This is the restriction note recorded in the CosIng inventory for this ingredient. For authoritative conditions and limits, always refer to the linked annex entries above.

According to the EU CosIng inventory, 2-ACRYLAMIDO-2-METHYLPROPANE SULFONIC ACID carries the following function designation(s):

NOT REPORTED

CAS 15214-89-8 may appear across multiple EU annex records. Viewing the CAS lookup page shows all Annex II–VI entries sharing this identifier, which is useful for identifying cross-annex regulatory status of the same chemical substance.

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Source note for 2-ACRYLAMIDO-2-METHYLPROPANE SULFONIC ACID

This page combines the CosIng inventory entry for 2-ACRYLAMIDO-2-METHYLPROPANE SULFONIC ACID with 1 linked Annex II–VI record from the local dataset built from public European Commission cosmetic ingredient materials.

Use this inventory page to research 2-ACRYLAMIDO-2-METHYLPROPANE SULFONIC ACID and compare linked records, but verify restrictions and legal status against the current official source text and law before making regulatory decisions.

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