2-Methylbutyric Acid

Also known as: 4-02-00-00889, BRN 1098537, EINECS 204-145-2, EINECS 209-982-7, FEMA No. 2695 (+14 more)

INCI: 2-METHYLBUTYRIC ACID

2-Methylbutyric Acid (CAS 116-53-0) is a cosmetic cosmetic ingredient functioning as Fragrance ingredient. 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 and pharmaceutical data.

View industrial chemical safety profile for CAS 116-53-0 →

Auto-generated CPSR Part A draft with source citations
Function
Fragrance ingredient
Safety Rating
GOOD

Chemistry & Identifiers

Formula
C5H10O2
MW
102.13 g/mol
EC Number
204-145-2
PubChem CID
8314
IUPAC Name
2-methylbutanoic acid
InChIKey
WLAMNBDJUVNPJU-UHFFFAOYSA-N

Regulatory Status

EU EU Status permitted
US US Status permitted
US Notes Permitted — FEMA GRAS; no FDA restriction

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

Safety Data

Margin of Safety, dermal absorption, and sensitization profile summaries for 2-Methylbutyric Acid.

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
10 - 100 tonnes
Substance Type
SUBSTANCE
SVHC Candidate
No

PubChem Annotations

Safety and regulatory annotations from PubChem (NCBI) aggregated sources.

Regulatory (2)
JECFA Number
255
Source: Joint FAO/WHO Expert Committee on Food Additives (JECFA)
JECFA Evaluation
2-METHYLBUTYRIC ACID | 1997 | No safety concern at current levels of intake when used as a flavouring agent | TRS 884-JECFA 49/37 | FAS 40-JECFA 49/189
Source: Joint FAO/WHO Expert Committee on Food Additives (JECFA)

Function Categories & List Membership

Cosmetic/Chemical Function Categories
Dispersing agent 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 2-Methylbutyric Acid.

Regulatory Flags

fragrance-component ifra_fragrance fda_food_additive jecfa_safe

Known Synonyms

4-02-00-00889 BRN 1098537 EINECS 204-145-2 EINECS 209-982-7 FEMA No. 2695 Valeric acid, active UNII-PX7ZNN5GXK (+/-)-2-Methylbutyrate (+/-)-2-Methylbutyric acid 2-Ethylpropionate 2-Ethylpropionic acid 2-Methyl Butyrate 2-Methyl Butyric acid 2-Methylbutanoate 2-methybutyric acid D-2-Methyl Butyrate D-2-Methyl Butyric acid DL-2-Methy Butyrate DL-2-Methy Butyric acid

Chemical Function

Fragrance Flavouring and nutrient Dispersing agent

Regulatory Lists

Canada; pharmaceutical IFRA Transparency Europe food_additive; Substances Added to Food (formerly EAFUS) (2/2019) consumer_product

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.

ChEMBL ID
CHEMBL1160012
View full pharmaceutical profile →

Frequently Asked Questions

Is 2-Methylbutyric Acid safe in cosmetics?

2-Methylbutyric Acid has a safety rating of "GOOD" in our database. EU status: permitted. US status: permitted.

Is 2-Methylbutyric Acid allowed in the EU?

2-Methylbutyric Acid EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does 2-Methylbutyric Acid do in cosmetics?

2-Methylbutyric Acid functions as: Fragrance ingredient. It is classified as a cosmetic ingredient in our database. CAS number: 116-53-0.

Is 2-Methylbutyric Acid used outside cosmetics?

2-Methylbutyric Acid 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 2-Methylbutyric Acid have different safety status in cosmetics vs industrial chemicals?

2-Methylbutyric Acid is classified GHS Danger (H302, H312, H314, H318, H290) in the chemicals database but is allowed in EU cosmetics.

Related Ingredients

2,6-Dimethyl-7-octen-2-ol (Dihydromyrcenol)
Excellent Same category
Fragrance (perfuming), masking
2-Ethoxy-2,6,6-Trimethyl-9-Methylenebicyclo[3.3.1]Nonane (Boisiris™)
Excellent Same category
Fragrance (rich woody, orris/iris roo...
3,6-Dimethyl-3-Octyl Acetate
Excellent Same category
Fragrance / Perfuming agent with flor...
3-Methyl-5-(2,2,3-Trimethyl-3-Cyclopentenyl)Pent-4-En-2-Ol (Sandalore)
Excellent Same category
Perfuming / Fragrance (sandalwood note)
4-Tert-Butylcyclohexyl Acetate
Excellent Same category
Fragrance
Acetoin
Excellent Same category
Skin conditioning, fragrance
(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
2,3-DIHYDRO-2,2,6-TRIMETHYLBENZALDEHYDE
Good Chemical family
Perfuming
2,3-Dihydro-2,2,6-trimethylbenzaldehyde (Safranal)
Good Chemical family
Fragrance ingredient (saffron-like, h...
BISPHENOL A BIS-ETHER
Good Chemical family
Not Reported

Is 2-Methylbutyric Acid 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 2-Methylbutyric Acid in your formulation.