p-tolyl isobutyrate

Modify Date: 2026-07-08 19:38:03

p-tolyl isobutyrate Structure
p-tolyl isobutyrate structure
Common Name p-tolyl isobutyrate
CAS Number 103-93-5 Molecular Weight 178.22800
Density 1.008g/cm3 Boiling Point 243.9ºC at 760mmHg
Molecular Formula C11H14O2 Melting Point N/A
MSDS N/A Flash Point 93.8ºC

 Names

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

Name (4-methylphenyl) 2-methylpropanoate
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 1.008g/cm3
Boiling Point 243.9ºC at 760mmHg
Molecular Formula C11H14O2
Molecular Weight 178.22800
Flash Point 93.8ºC
Exact Mass 178.09900
PSA 26.30000
LogP 2.55640
Vapour Pressure 0.0312mmHg at 25°C
Index of Refraction n20/D 1.487(lit.)

 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 :
NQ5460000
CHEMICAL NAME :
Isobutyric acid, p-tolyl ester
CAS REGISTRY NUMBER :
103-93-5
BEILSTEIN REFERENCE NO. :
2519560
LAST UPDATED :
199712
DATA ITEMS CITED :
4
MOLECULAR FORMULA :
C11-H14-O2
MOLECULAR WEIGHT :
178.25
WISWESSER LINE NOTATION :
1Y1&VOR D1

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 :
4 mL/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
FCTXAV Food and Cosmetics Toxicology. (London, UK) V.1-19, 1963-81. For publisher information, see FCTOD7. Volume(issue)/page/year: 13,773,1975
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
3970 uL/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
FCTXAV Food and Cosmetics Toxicology. (London, UK) V.1-19, 1963-81. For publisher information, see FCTOD7. Volume(issue)/page/year: 13,773,1975 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X8310 No. of Facilities: 7 (estimated) No. of Industries: 1 No. of Occupations: 5 No. of Employees: 1557 (estimated) No. of Female Employees: 276 (estimated)

 Safety Information

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

WGK Germany 2
RTECS NQ5460000
HS Code 2915900090

 Synthetic Route

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

~90%

p-tolyl isobutyrate Structure

p-tolyl isobutyrate

CAS#:103-93-5

Learn More
Literature: Vuluga, Daniela; Legros, Julien; Crousse, Benoit; Bonnet-Delpon, Daniele Chemistry - A European Journal, 2010 , vol. 16, # 6 p. 1776 - 1779

~15%

p-tolyl isobutyrate Structure

p-tolyl isobutyrate

CAS#:103-93-5

Learn More
Literature: Suresh Babu; Karanth; Divakar Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 2002 , vol. 41, # 5 p. 1068 - 1071

 Customs

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

HS Code 2915900090
Summary 2915900090 other saturated acyclic monocarboxylic acids and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) MFN tariff:5.5% General tariff:30.0%

 Synonyms

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

P-TOLYL ISOBUTYRATE
FEMA No. 3075
p-Methylphenyl isobutyrate
Cresyl isobutyrate,p
para-cresyl isobutyrate
Isobuttersaeure-p-tolylester
isobutyric acid 4-tolyl ester
EINECS 203-159-6
MFCD00026440
Tolyl 2-methylpropanoate,p
2-Methyl-propionsaeure-p-kresylester
ISOBUTYRIC ACID,p-TOLYL ESTER
para-tolyl isobutyrate
p-Cresyl isobutyrate
Propanoic acid,2-methyl-,4-methylphenyl ester

 p-tolyl isobutyrate | FAQ

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

Q: What is the LogP of (4-methylphenyl) 2-methylpropanoate?
A: LogP of (4-methylphenyl) 2-methylpropanoate is 2.55640.
Q: What is the molecular formula of (4-methylphenyl) 2-methylpropanoate?
A: Molecular formula of (4-methylphenyl) 2-methylpropanoate is C11H14O2.
Q: What English synonyms does (4-methylphenyl) 2-methylpropanoate have?
A: English synonyms of (4-methylphenyl) 2-methylpropanoate: P-TOLYL ISOBUTYRATE, FEMA No. 3075, p-Methylphenyl isobutyrate, Cresyl isobutyrate,p, para-cresyl isobutyrate, Isobuttersaeure-p-tolylester, isobutyric acid 4-tolyl ester, EINECS 203-159-6, MFCD00026440, Tolyl 2-methylpropanoate,p, 2-Methyl-propionsaeure-p-kresylester, ISOBUTYRIC ACID,p-TOLYL ESTER, para-tolyl isobutyrate, p-Cresyl isobutyrate, Propanoic acid,2-methyl-,4-methylphenyl ester.
Q: What is the molecular weight of (4-methylphenyl) 2-methylpropanoate?
A: Molecular weight of (4-methylphenyl) 2-methylpropanoate is 178.22800.
Q: What is the CAS number of (4-methylphenyl) 2-methylpropanoate?
A: CAS number of (4-methylphenyl) 2-methylpropanoate is 103-93-5.
Q: What is the polar surface area (PSA) of (4-methylphenyl) 2-methylpropanoate?
A: Polar surface area (PSA) of (4-methylphenyl) 2-methylpropanoate is 26.30000.
Q: What is the English name of (4-methylphenyl) 2-methylpropanoate?
A: The English name of (4-methylphenyl) 2-methylpropanoate is (4-methylphenyl) 2-methylpropanoate.
Q: What is the boiling point of (4-methylphenyl) 2-methylpropanoate?
A: Boiling point of (4-methylphenyl) 2-methylpropanoate is 243.9ºC at 760mmHg.

 p-tolyl isobutyratefactory

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.
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