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Name	Hexadecyltrimethylammonium hydroxide	EINECS	208-022-4
CAS No.	505-86-2	Density	0.988 g/mL at 25 °C
PSA	23.06000	LogP	5.99710
Solubility	Soluble in water	Melting Point	N/A
Formula	C₁₉H₄₃NO	Boiling Point	N/A
Molecular Weight	301.557	Flash Point	11 °C
Transport Information	UN 3286 3/PG 2	Appearance	clear colorless to pale yellow solution
Safety	7-16-26-36/37/39-45	Risk Codes	34-39/23/24/25-23/24/25-11
Molecular Structure		Hazard Symbols	TCF
Synonyms	1-Hexadecanaminium,N,N,N-trimethyl-, hydroxide (9CI);Ammonium, hexadecyltrimethyl-, hydroxide(7CI,8CI);Hexadecyltrimethylammonium hydroxide (6CI);Cetyltrimethylammoniumhydroxide;Trimethylhexadecylammonium hydroxide;1-Hexadecanaminium,N,N,N-trimethyl-, hydroxide (1:1);	Article Data	20

Hexadecyltrimethylammonium hydroxide Synthetic route

: 57-09-0
cetyltrimethylammonim bromide

: 505-86-2
cetyltrimethylammonium hydroxide

Conditions

Conditions	Yield
With Amberlyst A-26(OH-)form In methanol	100%
With Amberlite CG-400 resin
With Amberlite IRA-900 In methanol

: 544-77-4
1-iodohexadecane

: 75-50-3
trimethylamine

: 505-86-2
cetyltrimethylammonium hydroxide

Conditions

Conditions	Yield
Behandeln des erhaltenen Trimethylcetylammoniumjodid mit feuchtem Ag2O;

: 67355-36-6
Hexamethyldecyltrimethylammonium sulfate

: 505-86-2
cetyltrimethylammonium hydroxide

Conditions

Conditions	Yield
With barium dihydroxide In water
With barium dihydroxide

: 112-02-7
cetyltrimethylammonium chloride

: 505-86-2
cetyltrimethylammonium hydroxide

Conditions

Conditions	Yield
With sodium hydroxide In water
With sodium hydroxide Heating;
With potassium hydroxide In ethanol
With potassium hydroxide In methanol at 25℃; for 2h;
With sodium hydroxide In methanol at 20℃;

: 22204-53-1
(2S)-2-(6-methoxy(2-naphthyl))propanoic acid

: 505-86-2
cetyltrimethylammonium hydroxide

: cetyltrimethylammonium naproxenate

Conditions

Conditions	Yield
In propan-1-ol	100%

: 502693-09-6
cis-di(thiocyanato)-(2,2'-bipyridyl-4,4'-dicarboxylicacid)(4,4'-dinonyl-2,2'-bipyridyl)ruthenium(II)

: 505-86-2
cetyltrimethylammonium hydroxide

: C42H52N6O4RuS2*C19H42N(1+)*HO(1-)

Conditions

Conditions	Yield
Stage #1: cis-di(thiocyanato)-(2,2'-bipyridyl-4,4'-dicarboxylicacid)(4,4'-dinonyl-2,2'-bipyridyl)ruthenium(II); cetyltrimethylammonium hydroxide In ethanol for 0.5h; pH=13; Stage #2: With nitric acid In ethanol pH=4.3;	100%

: cis-di(thiocyanato)-(2,2’-bipyridyl-4,4’-dicarboxylate)(4,4’-bis(5-(5-octyl-thiophen-2-yl)thiophen-2-yl)-2,2’-bipiridine)ruthenium(II)

: 505-86-2
cetyltrimethylammonium hydroxide

: C56H56N6O4RuS6*C19H42N(1+)*HO(1-)

Conditions

Conditions	Yield
Stage #1: cis-di(thiocyanato)-(2,2’-bipyridyl-4,4’-dicarboxylate)(4,4’-bis(5-(5-octyl-thiophen-2-yl)thiophen-2-yl)-2,2’-bipiridine)ruthenium(II); cetyltrimethylammonium hydroxide In ethanol for 0.5h; pH=13; Stage #2: With nitric acid In ethanol pH=4.3;	98%

: C46H59N7O3

: 505-86-2
cetyltrimethylammonium hydroxide

: C46H58N7O3(1-)*C19H42N(1+)

Conditions

Conditions	Yield
In methanol at 20℃; for 1h;	98%

: 50594-66-6
acifluorfen

: 505-86-2
cetyltrimethylammonium hydroxide

: C14H6ClF3NO5(1-)*C19H42N(1+)

Conditions

Conditions	Yield
In methanol at 25℃; for 1h;	98%

: 7170-44-7
11-Phenoxyundecanoic acid

: 505-86-2
cetyltrimethylammonium hydroxide

: 11-Phenoxy-undecanoatehexadecyl-trimethyl-ammonium;

Conditions

Conditions	Yield
In methanol for 24h; Ambient temperature;	95%
In methanol for 24h; Ambient temperature; Yield given;

Hexadecyltrimethylammonium hydroxide Chemical Properties

Molecule structure of Hexadecyltrimethylammonium hydroxide (CAS NO.505-86-2):

IUPAC Name: Hexadecyl(trimethyl)azanium hydroxide
Molecular Weight: 301.55082 [g/mol]
Molecular Formula: C₁₉H₄₃NO
Density 0.988 g/mL at 25 °C
Refractive index: n20/D 1.372
Flash Point: 11 °C
Storage temp.: 2-8 °C
H-Bond Donor: 1
H-Bond Acceptor: 1
Rotatable Bond Count: 15
Exact Mass: 301.334465
MonoIsotopic Mass: 301.334465
Topological Polar Surface Area: 1
Heavy Atom Count: 21
Complexity: 181
Canonical SMILES: CCCCCCCCCCCCCCCC[N+](C)(C)C.[OH-]
InChI: InChI=1S/C19H42N.H2O/c1-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20(2,3)4;/h5-19H2,1-4H3;1H2/q+1;/p-1
InChIKey: WJLUBOLDZCQZEV-UHFFFAOYSA-M
EINECS: 208-022-4
Product Categories of Hexadecyltrimethylammonium hydroxide (CAS NO.505-86-2): Ammonium Hydroxides (Quaternary); Quaternary Ammonium Compounds; Chemical Synthesis; Organic Bases; Synthetic Reagents

Hexadecyltrimethylammonium hydroxide Safety Profile

Hazard Codes: Corrosive C, Toxic T, Flammable F
Risk Statements 34-39/23/24/25-23/24/25-11
R34:Causes burns.
R39:Danger of very serious irreversible effects.
R23 :Toxic by inhalation.
R24:Toxic in contact with skin.
R25 :Toxic if swallowed.
R23/24/25:Toxic by inhalation, in contact with skin and if swallowed.
R11:Highly flammable.
Safety Statements 7-16-26-36/37/39-45
S7:Keep container tightly closed.
S16:Keep away from sources of ignition.
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
RIDADR: UN 3286 3/PG 2
WGK Germany: 1
F: 10-34
HazardClass: 8
PackingGroup: III

Hexadecyltrimethylammonium hydroxide Specification

Hexadecyltrimethylammonium hydroxide (CAS NO.505-86-2) is also called Cetrimide [INN:BAN:JAN] ; Cetrimide ; 1-Hexadecanaminium, N,N,N-trimethyl-, hydroxide ; 1-Hexadecanaminium, N,N,N-trimethyl-, hydroxide (1:1) ; Hexadecyltrimethylammonium hydroxide . Hexadecyltrimethylammonium hydroxide (CAS NO.505-86-2) is clear colorless to pale yellow solution.

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