CAS 1120-21-4|Undecane

Introduction：Basic information about CAS 1120-21-4|Undecane, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.

Table of Contents

1. Names
2. Undecane BiologicalActivity
3. Chemical & Physical Properties
4. Toxicological Information
CHEMICAL IDENTIFICATION
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
5. Safety Information
6. Customs
7. Articles42
8. Synonyms

Common Name	Undecane
CAS Number	1120-21-4	Molecular Weight	156.31
Density	0.7±0.1 g/cm3	Boiling Point	196.3±3.0 °C at 760 mmHg
Molecular Formula	C₁₁H₂₄	Melting Point	−26 °C(lit.)
MSDS	ChineseUSA	Flash Point	60.0±0.0 °C
Symbol	GHS08	Signal Word	Danger

Names

Name	undecane
Synonym	More Synonyms

Undecane BiologicalActivity

Description	Undecane has anti-allergic and anti-inflammatory activities on sensitized rat basophilic leukemia (RBL-2H3) mast cells and HaCaT keratinocytes. In sensitized mast cells, Undecane inhibits degranulation and the secretion of histamine and TNF-α[
Related Catalog	Research Areas >>Infection
References	[1]. Choi D, Kang W, Park T. Anti-Allergic and Anti-Inflammatory Effects of Undecane on Mast Cells and Keratinocytes. Molecules. 2020;25(7):1554. Published 2020 Mar 28.

Chemical & Physical Properties

Density	0.7±0.1 g/cm3
Boiling Point	196.3±3.0 °C at 760 mmHg
Melting Point	−26 °C(lit.)
Molecular Formula	C₁₁H₂₄
Molecular Weight	156.31
Flash Point	60.0±0.0 °C
Exact Mass	156.187805
LogP	6.60
Vapour density	5.4 (vs air)
Vapour Pressure	0.6±0.2 mmHg at 25°C
Index of Refraction	1.419
InChIKey	RSJKGSCJYJTIGS-UHFFFAOYSA-N
SMILES	CCCCCCCCCCC
Water Solubility	IMMISCIBLE

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :: YQ1525000

CHEMICAL NAME :: Undecane

CAS REGISTRY NUMBER :: 1120-21-4

BEILSTEIN REFERENCE NO. :: 1697099

LAST UPDATED :: 199710

DATA ITEMS CITED :: 5

MOLECULAR FORMULA :: C11-H24

MOLECULAR WEIGHT :: 156.35

WISWESSER LINE NOTATION :: 11H

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 517 mg/kg

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

REFERENCE :: JPMSAE Journal of Pharmaceutical Sciences. (American Pharmaceutical Assoc., 2215 Constitution Ave., NW, Washington, DC 20037) V.50- 1961- Volume(issue)/page/year: 67,566,1978 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - A1428 No. of Facilities: 51 (estimated) No. of Industries: 1 No. of Occupations: 2 No. of Employees: 1129 (estimated)

Safety Information

Symbol	GHS08
Signal Word	Danger
Hazard Statements	H304
Supplemental HS	Repeated exposure may cause skin dryness or cracking.
Precautionary Statements	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;
Risk Phrases	R36/37/38
Safety Phrases	S26-S36-S24/25
RIDADR	UN 2330 3/PG 3
WGK Germany	3
RTECS	YQ1525000
Packaging Group	III
Hazard Class	3
HS Code	29011090

Customs

HS Code	2901100000
Summary	2901100000 saturated acyclic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0%

Articles42

Determination of low levels of benzodiazepines and their metabolites in urine by hollow-fiber liquid-phase microextraction (LPME) and gas chromatography-mass spectrometry (GC-MS).

J. Chromatogr. B. Analyt. Technol. Biomed. Life Sci. 975 , 24-33, (2014)

In this study, it is shown a method for the determination of benzodiazepines and their main metabolites in urine samples by hollow-fiber liquid-phase microextraction (LPME) in the three-phase mode. In...

QSPR modeling of octanol/water partition coefficient for vitamins by optimal descriptors calculated with SMILES.

Eur. J. Med. Chem. 43 , 714-40, (2008)

Simplified molecular input line entry system (SMILES) has been utilized in constructing quantitative structure-property relationships (QSPR) for octanol/water partition coefficient of vitamins and org...

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 ...

Synonyms

Hendecane

n-Undecane

MFCD00008959

n-Hendecane

Undecane

n-Undecane,Hendecane

EINECS 214-300-6

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