n-propylbenzene

Modify Date: 2026-07-03 16:54:04

n-propylbenzene structure	Common Name	n-propylbenzene
	CAS Number	103-65-1	Molecular Weight	120.192
	Density	0.862	Boiling Point	159 °C at 760 mmHg
	Molecular Formula	C₉H₁₂	Melting Point	−99 °C(lit.)
	MSDS	Chinese USA	Flash Point	47.8±0.0 °C
	Symbol	GHS02, GHS07, GHS08, GHS09	Signal Word	Danger

Summary: Propylbenzene, also known as n-propylbenzene, has a Chinese name of 正丙基苯. Its molecular formula is C9H12, with a molecular weight of 120.192. This compound is a colorless or pale yellow liquid with a melting point of -99°C and a boiling point of 159°C. For research-use only, not for medical or clinical usage.

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

Name	propylbenzene
Synonym	More Synonyms

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

Density	0.862
Boiling Point	159 °C at 760 mmHg
Melting Point	−99 °C(lit.)
Molecular Formula	C₉H₁₂
Molecular Weight	120.192
Flash Point	47.8±0.0 °C
Exact Mass	120.093903
LogP	3.74
Vapour density	4.14 (vs air)
Vapour Pressure	3.1±0.1 mmHg at 25°C
Index of Refraction	1.495
InChIKey	ODLMAHJVESYWTB-UHFFFAOYSA-N
SMILES	CCCc1ccccc1
Stability	Stable. Flammable. Incompatible with strong oxidizing agents.

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

n-propylbenzene MSDS(Chinese)

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

CHEMICAL IDENTIFICATION

RTECS NUMBER :: DA8750000

CHEMICAL NAME :: Benzene, propyl-

CAS REGISTRY NUMBER :: 103-65-1

LAST UPDATED :: 199710

DATA ITEMS CITED :: 7

MOLECULAR FORMULA :: C9-H12

MOLECULAR WEIGHT :: 120.21

WISWESSER LINE NOTATION :: 3R

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 :: 6040 mg/kg

TOXIC EFFECTS :: Behavioral - somnolence (general depressed activity)

REFERENCE :: FCTXAV Food and Cosmetics Toxicology. (London, UK) V.1-19, 1963-81. For publisher information, see FCTOD7. Volume(issue)/page/year: 2,327,1964

TYPE OF TEST :: LC50 - Lethal concentration, 50 percent kill

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 65000 ppm/2H

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: 85JCAE "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986 Volume(issue)/page/year: -,34,1986

TYPE OF TEST :: LCLo - Lowest published lethal concentration

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 20 gm/m3

TOXIC EFFECTS :: Behavioral - general anesthetic Lungs, Thorax, or Respiration - respiratory depression Cardiac - other changes

REFERENCE :: AEPPAE Naunyn-Schmiedeberg's Archiv fuer Experimentelle Pathologie und Pharmakologie. (Berlin, Ger.) V.110-253, 1925-66. For publisher information, see NSAPCC. Volume(issue)/page/year: 143,223,1929 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - M1762 No. of Facilities: 422 (estimated) No. of Industries: 4 No. of Occupations: 21 No. of Employees: 16632 (estimated)

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

Symbol	GHS02, GHS07, GHS08, GHS09
Signal Word	Danger
Hazard Statements	H226-H304-H335-H411
Precautionary Statements	P261-P273-P301 + P310-P331
Personal Protective Equipment	Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Hazard Codes	Xn:Harmful;N:Dangerousfortheenvironment;
Risk Phrases	R10;R37;R51/53;R65
Safety Phrases	S24-S37-S61-S62
RIDADR	UN 2364 3/PG 3
WGK Germany	2
RTECS	DA8750000
Packaging Group	III
Hazard Class	3
HS Code	2902909090

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

This table lists upstream starting materials and downstream derivative products related to this chemical.

Precursor 9
CAS#:637-59-2 1-Bromo-3-pheny... CAS#:2114-39-8 2-bromo-1-pheny... CAS#:101-84-8 Diphenyl oxide CAS#:59588-12-4 1-methoxypropyl...
CAS#:637-50-3 β-Methylstyrene CAS#:673-32-5 phenylpropyne CAS#:698-87-3 1-Phenyl-2-propanol CAS#:93-55-0 Phenyl ethyl ketone
CAS#:103-79-7 Phenylacetone
DownStream 10
CAS#:10304-81-1 Benzene,(2-chlo... CAS#:104-52-9 (3-Chloropropyl... CAS#:934-11-2 (1-chloropropyl... CAS#:105443-49-0 2-chloro-4-prop...
CAS#:3166-97-0 1-(Chloromethyl... CAS#:52710-27-7 4-n-propylbenzo... CAS#:93-55-0 Phenyl ethyl ketone CAS#:83808-03-1 2-[[(10S,13S)-1...
CAS#:93-54-9 phenyl propanol CAS#:65-85-0 benzoic acid

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

HS Code	2902909090
Summary	2902909090 other aromatic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0%

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

Evaluation of injection methods for fast, high peak capacity separations with low thermal mass gas chromatography.

J. Chromatogr. A. 1392 , 82-90, (2015)

Low thermal mass gas chromatography (LTM-GC) was evaluated for rapid, high peak capacity separations with three injection methods: liquid, headspace solid phase micro-extraction (HS-SPME), and direct ...

Conformational mobility of small molecules in glass-forming solutions studied by FTIR spectroscopy.

Spectrochim. Acta. A. Mol. Biomol. Spectrosc. 91 , 184-91, (2012)

Small molecules with two or more stable conformations when embedded in a glass-forming liquid (matrix) serve the role of "conformational probes", i.e., their conformational transitions are used to fol...

Development of an equilibrium headspace gas chromatographic method for the measurement of noncovalent association and partitioning of n-alkylbenzenes at infinite dilution in fulvic acid pseudophase.

J. Chromatogr. A. 1383 , 1-7, (2015)

Fulvic acid (FA), the most important water soluble fraction of humic substances in nature, is known to form aggregate pseudophase and complexes with organic and inorganic species. Here, we report a no...

This table contains target information, in‑vitro & in‑vivo assay data for this compound.

Name: Cytochrome P450 Family 1 Subfamily A Member 2 (CYP1A2) small molecule antagonists: lu...
Source: 824
External Id: CYP273

Name: Octanol-water partition coefficient, log P of the compound
Source: ChEMBL
Target: N/A
External Id: CHEMBL3280729

Name: p53 small molecule agonists, cell-based qHTS assay: qHTS cell viability counter scree...
Source: 824
Target: N/A
External Id: P53600

Name: p53 small molecule agonists, cell-based qHTS assay with rat liver microsomes: qHTS ce...
Source: 824
Target: N/A
External Id: P53MS958

Name: p53 small molecule agonists, cell-based qHTS assay with rat liver microsomes: Summary
Source: 824
External Id: P53MS482

Name: p53 small molecule agonists, cell-based qHTS assay
Source: 824
External Id: P53344

Name: p53 small molecule agonists, cell-based qHTS assay with human liver microsomes
Source: 824
Target: tumor suppressor p53 [Homo sapiens]
External Id: P53MS233

Name: Dissociation constant against T4 lysozyme mutant L99A
Source: ChEMBL
Target: Endolysin
External Id: CHEMBL826986

Name: p53 small molecule agonists, cell-based qHTS assay with human liver microsomes: qHTS ...
Source: 824
Target: N/A
External Id: P53MS837

Name: p53 small molecule agonists, cell-based qHTS assay with rat liver microsomes
Source: 824
Target: tumor suppressor p53 [Homo sapiens]
External Id: P53MS898

Total 193, Current Page 1 of 20

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

N-PROPYL BENZENE

Propylbenzene

4-N-PROPYL BENZENE

1-Phenylpropane

N-PROPYLBENZEN

EINECS 203-132-9

phenylpropane

N-PROPYLBENZENE

N-POPYL BENZENE

PROPYLBENZENE FOR SYNTHESIS

n-Propylbenzene (1-Phenylpropane)

UNII:0WR86ZHG2Z

MFCD00009377

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

Q: What English synonyms does propylbenzene have?

A: English synonyms of propylbenzene: N-PROPYL BENZENE, Propylbenzene, 4-N-PROPYL BENZENE, 1-Phenylpropane, N-PROPYLBENZEN, EINECS 203-132-9, phenylpropane, N-PROPYLBENZENE, N-POPYL BENZENE, PROPYLBENZENE FOR SYNTHESIS, n-Propylbenzene (1-Phenylpropane), UNII:0WR86ZHG2Z, MFCD00009377.

Q: What is the CAS number of propylbenzene?

A: CAS number of propylbenzene is 103-65-1.

Q: What are the upstream materials of propylbenzene?

A: Related upstream materials(CAS) of propylbenzene: 637-59-2;2114-39-8;101-84-8;59588-12-4;637-50-3;673-32-5;698-87-3;93-55-0;103-79-7.

Q: What is the melting point of propylbenzene?

A: Melting point of propylbenzene is −99 °C(lit.).

Q: What is the boiling point of propylbenzene?

A: Boiling point of propylbenzene is 159 °C at 760 mmHg.

Q: What is the molecular weight of propylbenzene?

A: Molecular weight of propylbenzene is 120.192.

Q: What is the safety information for propylbenzene?

A: Safety information for propylbenzene: S24-S37-S61-S62.

Q: What is the SMILES notation of propylbenzene?

A: SMILES notation of propylbenzene is CCCc1ccccc1.

Q: What are the downstream products of propylbenzene?

A: Related downstream products(CAS) of propylbenzene: 10304-81-1;104-52-9;934-11-2;105443-49-0;3166-97-0;52710-27-7;93-55-0;83808-03-1;93-54-9;65-85-0.

Q: What is the molecular formula of propylbenzene?

A: Molecular formula of propylbenzene is C9H12.

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.

The content on this webpage is sourced from various professional data sources. If you have any questions or concerns regarding the content, please feel free to contact service1@chemsrc.com.

Shanghai Nianxing Industrial Co., Ltd
China
Product Name: n-propylbenzene
Price: Check
Purity: 99.8%
Delivery: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Propylbenzene
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Delivery: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

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n-propylbenzene

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The content on this webpage is sourced from various professional data sources. If you have any questions or concerns regarding the content, please feel free to contact service1@chemsrc.com.