Quinaldine

ChemicalBook > CAS DataBase List > Quinaldine

Product Name: Quinaldine
CAS No.: 91-63-4
Chemical Name: Quinaldine
Synonyms: 2-METHYLQUINOLINE;2-Methylchinolin;QuinaL;2-Methylpuinoiline;2-METHYLQUINOLINES;NSC-3397;Quildine;Khinaldin;QUINALDINE;Chinaldine
CBNumber: CB7373558
Molecular Formula: C10H9N
Formula Weight: 143.19
MOL File: 91-63-4.mol

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Quinaldine Property

Melting point:: -2 °C
Boiling point:: 248 °C
Density: 1.058 g/mL at 25 °C(lit.)
vapor pressure: <0.1 hPa (20 °C)
refractive index: n20/D 1.612(lit.)
Flash point:: 175 °F
storage temp.: Store below +30°C.
solubility: chloroform: soluble(lit.)
form: Crystalline Powder
pka: 5.83(at 20℃)
color: White to slightly yellow
PH: 6.9 (H2O, 20℃)(saturated aqueous solution)
Water Solubility: PRACTICALLY INSOLUBLE
Sensitive: Light Sensitive
Merck: 14,8047
BRN: 110309
Stability:: Stable, but may be light sensitive. Combustible. Incompatible with strong oxidizing agents.
LogP: 2.59
CAS DataBase Reference: 91-63-4(CAS DataBase Reference)
NIST Chemistry Reference: Quinoline, 2-methyl-(91-63-4)
EPA Substance Registry System: Quinaldine (91-63-4)

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Safety

Hazard Codes: Xn
Risk Statements: 21/22-68-36/37/38
Safety Statements: 36-45-36/37/39-26
RIDADR: NA 1993 / PGIII
WGK Germany: 3
RTECS: UZ9625000
F: 8-23
TSCA: Yes
HS Code: 29334990
Toxicity: LD50 orally in rats: 1.23 g/kg (Smyth)

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H341Suspected of causing genetic defects

H412Harmful to aquatic life with long lasting effects

Precautionary statements

P273Avoid release to the environment.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P308+P313IF exposed or concerned: Get medical advice/attention.

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 8.05805
Product name: Quinaldine
Purity: for synthesis
Packaging: 100mL
Price: $77.2
Updated: 2024/03/01

Sigma-Aldrich

Product number: 8.05805
Product name: Quinaldine
Purity: for synthesis
Packaging: 250ML
Price: $117
Updated: 2024/03/01

Sigma-Aldrich

Product number: 22550
Product name: Quinaldine
Purity: ≥95.0% (GC)
Packaging: 250ML
Price: $151
Updated: 2024/03/01

Sigma-Aldrich

Product number: 22550
Product name: Quinaldine
Purity: ≥95.0% (GC)
Packaging: 1L
Price: $228
Updated: 2024/03/01

TCI Chemical

Product number: Q0005
Product name: 2-Methylquinoline
Purity: >98.0%(GC)(T)
Packaging: 25g
Price: $24
Updated: 2024/03/01

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Quinaldine Chemical Properties,Usage,Production

Chemical Properties

Quinaldine or 2-methylquinoline is an organic compound with the formula CH3C9H6N. It is one of the methyl derivative of a heterocyclic compound quinoline. It is bioactive and is used in the preparation of various dyes. It is a colorless oil but commercial samples can appear colored.

Uses

Quinaldine is an anaesthetic used in fish transportation. Also used in anti-malaria drugs, in manufacturing dyes, food colorants , pharmaceuticals and pH indicators.

Uses

It is an anaesthetic used in fish transportation. Used in preparation of oil-soluble dyes. Also used in anti-malaria drugs, in manufacturing dyes, food colorants , pharmaceuticals and pH indicators.

Production Methods

High-temperature coal tar contains an average of 0.2% quinaldine. It is recovered from the quinoline base mixture by rectification and hydration. Quinaldine can be synthesized by the Skraup method from aniline and crotonaldehyde with sulfuric acid in the presence of a dehydrogenating agent.

Definition

ChEBI: A quinoline compound in which the quinoline skeleton is substituted at C-2 with a methyl group.

Synthesis Reference(s)

Journal of Heterocyclic Chemistry, 13, p. 1279, 1976 DOI: 10.1002/jhet.5570130626
The Journal of Organic Chemistry, 52, p. 3847, 1987 DOI: 10.1021/jo00226a023
Synthesis, p. 324, 1996 DOI: 10.1055/s-1996-4221

General Description

A colorless oily liquid darkening to red-brown on exposure to air. Flash point 175°F. Denser than water and slightly soluble in water. Vapors heavier than air. Produces toxic oxides of nitrogen during combustion. Used to make dyes, pharmaceuticals and other chemicals.

Air & Water Reactions

Slightly soluble in water.

Reactivity Profile

Quinaldine neutralizes acids in exothermic reactions to form salts plus water. May be incompatible with isocyanates, halogenated organics, peroxides, phenols (acidic), epoxides, anhydrides, and acid halides. Flammable gaseous hydrogen may be generated in combination with strong reducing agents, such as hydrides. Keep tightly closed and protected from light .

Hazard

Strong irritant to mucous membranes.

Fire Hazard

Quinaldine is probably combustible.

Purification Methods

Dry it with Na2SO4 or by refluxing with BaO, then fractionally distil it under reduced pressure and redistil it from zinc dust. Purify it further by conversion to its phosphate (m 220o) or picrate (m 192o) from which after recrystallisation, the free base is regenerated. [Packer et al. J Am Chem Soc 80 905 1958.] Its ZnCl2 complex can be used for the same purpose. [Beilstein 20 III/IV 3454, 20 V 375.]

Quinaldine Preparation Products And Raw materials

Raw materials

Isoquinoline Column plate Dibromo COAL TAR Polishing oil Butyraldehyde

Preparation Products

Isoquinoline 2-Quinolinecarboxaldehyde Doxycycline hydrochloride

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View Lastest Price from Quinaldine manufacturers

Hebei Chuanghai Biotechnology Co,.LTD

Product: 2-Methylquinoline 91-63-4
Price: US $5.00-2.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 10000kg
Release date: 2024-08-23

Hebei Weibang Biotechnology Co., Ltd

Product: Quinaldine 91-63-4
Price: US $10.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 10 mt
Release date: 2021-10-14

Hebei Mojin Biotechnology Co., Ltd

Product: Quinaldine 91-63-4
Price: US $0.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 50000KG/month
Release date: 2023-08-23

91-63-4, QuinaldineRelated Search:

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2-Methylchinolin

2-Methylpuinoiline

QUINALDINE MINIMUM 90% (GC)

QUINALDINE 98+%

QUINALDINE MIN 96%

Quinaldine,~91%

Quinaldine97%

2- Methyl Quinoline (Quinaldine)

2-METHYLQUINOLINES

NSC-3397

o-Methylquinoline

QUINALDINE FOR SYNTHESIS 250 ML

QUINALDINE FOR SYNTHESIS 100 ML

QUINALDINE

TIMTEC-BB SBB008939

quineline, 2-methyl

2-Methylquionoline

2-Methylqoinoline

2-Quinaldine

QUINALDINE, 95+%

QuinaL

2-Methylchinol

Quinaldine >=95.0% (GC)

2-Methyiquinoline

2-Methylquinoline≥ 98% (GC)

Quildine

2-methyl-quinolin

alpha-Methylquinoline

Chinaldine

Khinaldin

Quinaldine1

Quinoline,2-methyl-

2-METHYLCHINOLINE

2-METHYLQUINOLINE

2-METHYQUINOLINE

2-Methylquinoline &gt

Quinaldine USP/EP/BP

Isoquinoline Impurity 2

2-Methylquinoline in isooctane

91-63-4

CH3C9H6N

Quinaldines

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