Dodecyltrimethylammonium bromide

Name: Dodecyltrimethylammonium bromide
SKU: 0

CAS No.: 1119-94-4
Molecular Formula: C15H34BrN
Molecular Weight: 308.34

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product description

Dodecyltrimethylammonium bromide is a white to off-white crystalline powder or crystal. The pure substance is a colorless crystal and is prone to absorbing moisture when exposed to air. It is highly soluble in water, forming a transparent solution. The aqueous solution is weakly alkaline (pH approximately 8 to 9, due to the hydrolysis of quaternary ammonium salts).

Chemical Properties

Property	Value
Melting Point	246 °C (dec.)(lit.)
Density	1.1566 (rough estimate)
Vapor Pressure	0Pa at 20℃
Refractive Index	1.5260 (estimate)
Fp	246°C
Storage Temp.	Store below +30°C.
Solubility	H2O: 0.1 M at 20 °C, clear, colorless
Form	Powder
Color	White to slightly yellow
Biological Source	synthetic (oragnic)
Water Solubility	Soluble
λmax	λ: 240 nm Amax: ≤0.2λ: 250 nm Amax: ≤0.03λ: 260 nm Amax: ≤0.02λ: 500 nm Amax: ≤0.02
Sensitive	Hygroscopic
BRN	3597463
InChIKey	XJWSAJYUBXQQDR-UHFFFAOYSA-M
CAS DataBase Reference	1119-94-4(CAS DataBase Reference)
EPA Substance Registry System	1-Dodecanaminium, N,N,N-trimethyl-, bromide (1119-94-4)

Safety Information

Property	Value
Hazard symbols	Xi, Xn, N
Hazard class codes	36/37/38-22-50/53
Safety descriptions	26-36-37/39-61-60
UN dangerous goods number	UN 3077
WGK Germany	3
RTECS number	BQ3195000
F	3-10
TSCA	TSCA listed
Hazard class	9
Packing group	III
HS code	29239000
Storage class	6.1C - Combustible, acute toxicity Category 3 Toxic compounds or compounds causing chronic effects
Hazard class (category)	Acute toxicity, Category 3, Oral Hazardous to the aquatic environment — acute hazard, Category 1 Hazardous to the aquatic environment — long-term hazard, Category 1 Eye irritation, Category 2 Skin irritation, Category 2
Toxicity	LD50 orally in Rabbit: 200 - 1000 mg/kg

Product Usage
Methyl Tributyl Ammonium Chloride, with CAS No. 56-34-8 and chemical formula C₁₃H₃₀ClN, appears as white crystals or pale yellow transparent liquid. It is easily soluble in polar solvents such as water, ethanol and acetone, with good ionic conductivity, phase transfer catalytic performance and strong stability. Its core application is in the field of organic synthesis, serving as an efficient phase transfer catalyst that can promote reactions between aqueous and organic phases, accelerate nucleophilic substitution, redox and other reactions. It is widely used in pharmaceutical synthesis, spice preparation, fine chemical product production and other scenarios, greatly improving reaction efficiency and product purity. In the field of electrochemistry, it can be used as an electrolyte supporting electrolyte to improve electrolyte conductivity; in analytical chemistry, it can be used as an ion-pair reagent to assist in substance separation and detection, making it an indispensable special chemical raw material in fine chemical, electrochemical and other fields.

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