2-Methylbutyric acid

Modify Date: 2026-06-30 18:26:47

2-Methylbutyric acid Structure
2-Methylbutyric acid structure
Common Name 2-Methylbutyric acid
CAS Number 116-53-0 Molecular Weight 102.132
Density 1.0±0.1 g/cm3 Boiling Point 175.3±8.0 °C at 760 mmHg
Molecular Formula C5H10O2 Melting Point -70ºC
MSDS Chinese USA Flash Point 73.9±0.0 °C
Symbol GHS05 GHS07
GHS05, GHS07
Signal Word Danger

Summary: 2-Methylbutyric acid (CAS number: 116-53-0) is a colorless, transparent liquid with molecular formula C5H10O2 and molecular weight 102.132. It is used for flavoring in food, tobacco, and cosmetics as specified by GB 2760--1996. For research-use only, not for medical or clinical usage.


 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name 2-methylbutyric acid
Synonym More Synonyms

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 1.0±0.1 g/cm3
Boiling Point 175.3±8.0 °C at 760 mmHg
Melting Point -70ºC
Molecular Formula C5H10O2
Molecular Weight 102.132
Flash Point 73.9±0.0 °C
Exact Mass 102.068077
PSA 37.30000
LogP 1.13
Vapour Pressure 0.6±0.7 mmHg at 25°C
Index of Refraction 1.418
InChIKey WLAMNBDJUVNPJU-UHFFFAOYSA-N
SMILES CCC(C)C(=O)O
Storage condition 0-6°C
Water Solubility 45 g/L (20 ºC)

 MSDS

This table provides MSDS information including hazard classification, first‑aid, fire‑fighting, spill handling, operation and storage instructions.

 Toxicological Information

This table summarizes toxicological test data, acute & chronic toxicity and ecological hazard parameters for this chemical.

CHEMICAL IDENTIFICATION

RTECS NUMBER :
EK7897000
CHEMICAL NAME :
Butanoic acid, 2-methyl-
CAS REGISTRY NUMBER :
116-53-0
BEILSTEIN REFERENCE NO. :
1098537
LAST UPDATED :
199710
DATA ITEMS CITED :
5
MOLECULAR FORMULA :
C5-H10-O2

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
1870 uL/kg
TOXIC EFFECTS :
Gastrointestinal - changes in structure or function of salivary glands Gastrointestinal - hypermotility, diarrhea Musculoskeletal - other changes
REFERENCE :
ATDAEI Acute Toxicity Data. Journal of the American College of Toxicology, Part B. (Mary Ann Liebert, Inc., 1651 Third Ave., New York, NY 10128) V.1- 1990- Volume(issue)/page/year: 1,171,1992
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
1460 uL/kg
TOXIC EFFECTS :
Sense Organs and Special Senses (Olfaction) - effect, not otherwise specified Behavioral - ataxia Gastrointestinal - other changes
REFERENCE :
ATDAEI Acute Toxicity Data. Journal of the American College of Toxicology, Part B. (Mary Ann Liebert, Inc., 1651 Third Ave., New York, NY 10128) V.1- 1990- Volume(issue)/page/year: 1,171,1992 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X9650 No. of Facilities: 11 (estimated) No. of Industries: 1 No. of Occupations: 1 No. of Employees: 193 (estimated) No. of Female Employees: 11 (estimated)

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

Symbol GHS05 GHS07
GHS05, GHS07
Signal Word Danger
Hazard Statements H302 + H312-H314
Precautionary Statements P280-P305 + P351 + P338-P310
Personal Protective Equipment Faceshields;full-face respirator (US);Gloves;Goggles;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Hazard Codes C:Corrosive
Risk Phrases R21/22;R34
Safety Phrases S26-S36/37/39-S45
RIDADR UN 3265
WGK Germany 1
RTECS EK7897000
Packaging Group III
Hazard Class 8.0
HS Code 29156090

 Synthetic Route

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

 Customs

This table shows customs‑related data including HS‑code, tariff and regulatory conditions for import and export.

HS Code 29156090

 Articles42

More Articles

This table lists relevant public references with title, journal and publication metadata for this compound.

Combined effects of nutrients and temperature on the production of fermentative aromas by Saccharomyces cerevisiae during wine fermentation.

Appl. Microbiol. Biotechnol. 99(5) , 2291-304, (2015)

Volatile compounds produced by yeast during fermentation greatly influence the organoleptic qualities of wine. We developed a model to predict the combined effects of initial nitrogen and phytosterol ...

GC/MS method for determining carbon isotope enrichment and concentration of underivatized short-chain fatty acids by direct aqueous solution injection of biogas digester samples.

Talanta 143 , 56-63, (2015)

In anaerobic digestion of organic matter, several metabolic pathways are involved during the simultaneous production and consumption of short-chain fatty acids (SCFA) in general and acetate in particu...

Structural variation governs substrate specificity for organic anion transporter (OAT) homologs. Potential remote sensing by OAT family members.

J. Biol. Chem. 282 , 23841-53, (2007)

Organic anion transporters (OATs, SLC22) interact with a remarkably diverse array of endogenous and exogenous organic anions. However, little is known about the structural features that determine thei...

 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

2-Methyl butyric acid
.α.-Methylbutyric acid
DL-2-Methylbutyric Acid
MFCD00002669
QVY2&1
2-Methylbutyric acid
EINECS 204-145-2
UNII:PX7ZNN5GXK
(±)-2-Methylbutyric acid
2-Methylbutanoic acid

 2-Methylbutyric acid | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the polar surface area (PSA) of 2-methylbutyric acid?
A: Polar surface area (PSA) of 2-methylbutyric acid is 37.30000.
Q: What is the CAS number of 2-methylbutyric acid?
A: CAS number of 2-methylbutyric acid is 116-53-0.
Q: What is the LogP of 2-methylbutyric acid?
A: LogP of 2-methylbutyric acid is 1.13.
Q: What English synonyms does 2-methylbutyric acid have?
A: English synonyms of 2-methylbutyric acid: 2-Methyl butyric acid, .α.-Methylbutyric acid, DL-2-Methylbutyric Acid, MFCD00002669, QVY2&1, 2-Methylbutyric acid, EINECS 204-145-2, UNII:PX7ZNN5GXK, (±)-2-Methylbutyric acid, 2-Methylbutanoic acid.
Q: What is the safety information for 2-methylbutyric acid?
A: Safety information for 2-methylbutyric acid: S26-S36/37/39-S45.
Q: What is the melting point of 2-methylbutyric acid?
A: Melting point of 2-methylbutyric acid is -70ºC.
Q: What are the upstream materials of 2-methylbutyric acid?
A: Related upstream materials(CAS) of 2-methylbutyric acid: 80-59-1;137-32-6;201230-82-2;106-97-8;107-92-6;74-88-4;565-63-9;18936-17-9.
Q: What is the InChIKey of 2-methylbutyric acid?
A: InChIKey of 2-methylbutyric acid is WLAMNBDJUVNPJU-UHFFFAOYSA-N.
Q: What is the molecular formula of 2-methylbutyric acid?
A: Molecular formula of 2-methylbutyric acid is C5H10O2.
Q: What is the molecular weight of 2-methylbutyric acid?
A: Molecular weight of 2-methylbutyric acid is 102.132.

 2-Methylbutyric acidfactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
Dayang Chem (Hangzhou) Co., Ltd.
Henan Tianfu Chemical Co., Ltd.
Zhongshan Xingrui Chemical Co. , Ltd.
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