leucoline

Modify Date: 2026-07-01 12:37:47

leucoline Structure
leucoline structure
 Common Name leucoline
CAS Number 91-22-5 Molecular Weight 129.159
Density 1.1±0.1 g/cm3 Boiling Point 234.1±9.0 °C at 760 mmHg
Molecular Formula C9H7N Melting Point −17-−13 °C(lit.)
MSDS Chinese USA Flash Point 101.1±0.0 °C
Symbol GHS06 GHS08 GHS09
GHS06, GHS08, GHS09		 Signal Word Danger

 Names

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

Name quinoline
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 1.1±0.1 g/cm3
Boiling Point 234.1±9.0 °C at 760 mmHg
Melting Point −17-−13 °C(lit.)
Molecular Formula C9H7N
Molecular Weight 129.159
Flash Point 101.1±0.0 °C
Exact Mass 129.057846
PSA 12.89000
LogP 2.08
Vapour density 4.5 (vs air)
Vapour Pressure 0.1±0.4 mmHg at 25°C
Index of Refraction 1.642
InChIKey SMWDFEZZVXVKRB-UHFFFAOYSA-N
SMILES c1ccc2ncccc2c1
Stability Stable. Incompatible with strong acids, strong oxidizing agents. May discolour on exposure to light. Hygroscopic - protect from moisture. Reacts violently and unpredictably with some materials, especially strong oxidizing agents.
Water Solubility slightly soluble

 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 :
VA9275000
CHEMICAL NAME :
Quinoline
CAS REGISTRY NUMBER :
91-22-5
LAST UPDATED :
199806
DATA ITEMS CITED :
32
MOLECULAR FORMULA :
C9-H7-N
MOLECULAR WEIGHT :
129.17
WISWESSER LINE NOTATION :
T66 BNJ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
Standard Draize test
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
331 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
540 uL/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
200 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Amphibian - frog
DOSE/DURATION :
150 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
7770 mg/kg/37W-C
TOXIC EFFECTS :
Tumorigenic - neoplastic by RTECS criteria Liver - tumors
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
50 gm/kg/30W-C
TOXIC EFFECTS :
Tumorigenic - equivocal tumorigenic agent by RTECS criteria Liver - tumors
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
9042 ug/kg/15D-I
TOXIC EFFECTS :
Tumorigenic - Carcinogenic by RTECS criteria Liver - tumors Blood - lymphoma, including Hodgkin's disease
TYPE OF TEST :
TD - Toxic dose (other than lowest)
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
23 gm/kg/30W-C
TOXIC EFFECTS :
Tumorigenic - equivocal tumorigenic agent by RTECS criteria Liver - tumors
TYPE OF TEST :
Micronucleus test
TYPE OF TEST :
Mutation in mammalian somatic cells

MUTATION DATA

TYPE OF TEST :
Sister chromatid exchange
TEST SYSTEM :
Rodent - hamster Ovary
DOSE/DURATION :
110 ug/L
REFERENCE :
ENMUDM Environmental Mutagenesis. (New York, NY) V.1-9, 1979-87. For publisher information, see EMMUEG. Volume(issue)/page/year: 7,1,1985 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 84566 No. of Facilities: 258 (estimated) No. of Industries: 7 No. of Occupations: 7 No. of Employees: 29238 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 84566 No. of Facilities: 456 (estimated) No. of Industries: 9 No. of Occupations: 16 No. of Employees: 4241 (estimated) No. of Female Employees: 810 (estimated)

 Safety Information

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

Symbol GHS06 GHS08 GHS09
GHS06, GHS08, GHS09
Signal Word Danger
Hazard Statements H301-H312-H315-H319-H341-H350-H411
Precautionary Statements P201-P273-P280-P301 + P310-P305 + P351 + P338-P308 + P313
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 R21/22;R37/38;R40;R41;R68
Safety Phrases S26-S36/37/39-S36-S23
RIDADR UN 2656 6.1/PG 3
WGK Germany 2
RTECS VA9275000
Packaging Group III
Hazard Class 6.1
HS Code 2933499090

 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 2933499090
Summary 2933499090. other compounds containing in the structure a quinoline or isoquinoline ring-system (whether or not hydrogenated), not further fused. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Articles54

More Articles

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

The ionization mechanisms in direct and dopant-assisted atmospheric pressure photoionization and atmospheric pressure laser ionization.

J. Am. Soc. Mass Spectrom. 25(11) , 1870-81, (2014)

A novel, gas-tight API interface for gas chromatography-mass spectrometry was used to study the ionization mechanism in direct and dopant-assisted atmospheric pressure photoionization (APPI) and atmos...

Convenient QSAR model for predicting the complexation of structurally diverse compounds with β-cyclodextrins

Bioorg. Med. Chem. 17 , 896-904, (2009)

This paper reports a QSAR study for predicting the complexation of a large and heterogeneous variety of substances (233 organic compounds) with beta-cyclodextrins (beta-CDs). Several different theoret...

QSAR study and synthesis of new phenyltropanes as ligands of the dopamine transporter (DAT).

Bioorg. Med. Chem. 20 , 1388-95, (2012)

The dopamine transporter (DAT) plays a pivotal role in the regulation of dopamine neurotransmission, and is involved in a number of physiological functions and brain disorders. Furthermore the DAT ana...

 Synonyms

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

1-Azanaphthalene
Chinolin
EINECS 202-051-6
1-Benzazine
Quinolin
Chinoline
leucoline
Leucol
β-Quinoline
Quinoline
MFCD00006736
Chinoleine
Benzopyridine
Fasudil Impurity 8

 leucoline | FAQ

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

Q: What are the upstream materials of quinoline?
A: Related upstream materials(CAS) of quinoline: 635-46-1;14465-74-8;148-24-3;50-00-0;3867-18-3;93-10-7;98-95-3;56-81-5;4363-93-3.
Q: What is the LogP of quinoline?
A: LogP of quinoline is 2.08.
Q: What English synonyms does quinoline have?
A: English synonyms of quinoline: 1-Azanaphthalene, Chinolin, EINECS 202-051-6, 1-Benzazine, Quinolin, Chinoline, leucoline, Leucol, β-Quinoline, Quinoline, MFCD00006736, Chinoleine, Benzopyridine, Fasudil Impurity 8.
Q: What is the molecular weight of quinoline?
A: Molecular weight of quinoline is 129.159.
Q: What are the downstream products of quinoline?
A: Related downstream products(CAS) of quinoline: 574-39-0;76890-09-0;3075-84-1;76890-20-5;4549-74-0;4412-96-8;612-59-9;1011-47-8;60814-30-4;21718-94-5.
Q: What is the CAS number of quinoline?
A: CAS number of quinoline is 91-22-5.
Q: What is the polar surface area (PSA) of quinoline?
A: Polar surface area (PSA) of quinoline is 12.89000.
Q: What is the melting point of quinoline?
A: Melting point of quinoline is −17-−13 °C(lit.).
Q: What is the SMILES notation of quinoline?
A: SMILES notation of quinoline is c1ccc2ncccc2c1.
Q: What is the boiling point of quinoline?
A: Boiling point of quinoline is 234.1±9.0 °C at 760 mmHg.

 leucolinefactory

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.
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