CDA

Modify Date: 2025-08-24 21:48:57

CDA Structure
CDA structure
 Common Name CDA
CAS Number 124-03-8 Molecular Weight 378.474
Density N/A Boiling Point N/A
Molecular Formula C20H44BrN Melting Point 190 °C
MSDS Chinese USA Flash Point 93 °C
Symbol GHS07
GHS07		 Signal Word Warning

 Use of CDA


Ethylhexadecyldimethylammonium (EHDA) bromide, a surfactant, has been used in a number of adsorptive separational methods, such as the removal of nickel, zinc and chromium ions. Ethylhexadecyldimethylammonium (EHDA) bromide also can be used to prepare dye of staining intracellular ions[1][2].

 Names

Name Ethylhexadecyldimethylammonium Bromide
Synonym More Synonyms

 CDA Biological Activity

Description Ethylhexadecyldimethylammonium (EHDA) bromide, a surfactant, has been used in a number of adsorptive separational methods, such as the removal of nickel, zinc and chromium ions. Ethylhexadecyldimethylammonium (EHDA) bromide also can be used to prepare dye of staining intracellular ions[1][2].
Related Catalog
References

[1]. Kahu SS, et al. Two fold modified chitosan for enhanced adsorption of hexavalent chromium from simulated wastewater and industrial effluents. Carbohydr Polym. 2016 Aug 1;146:264-73.

[2]. Kalinich JF, McClain DE. Staining of intracellular deposits of uranium in cultured murine macrophages. Biotech Histochem. 2001 Sep-Nov;76(5-6):247-52.

 Chemical & Physical Properties

Melting Point 190 °C
Molecular Formula C20H44BrN
Molecular Weight 378.474
Flash Point 93 °C
Exact Mass 377.265717
LogP 3.56800
Storage condition 2-8°C
Stability Stable. Combustible. Incompatible with strong oxidizing agents. Protect from moisture.
Water Solubility 200 G/L (20 ºC)

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
BQ5425000
CHEMICAL NAME :
Ammonium, ethylhexadecyldimethyl-, bromide
CAS REGISTRY NUMBER :
124-03-8
LAST UPDATED :
199701
DATA ITEMS CITED :
6
MOLECULAR FORMULA :
C20-H44-N.Br
MOLECULAR WEIGHT :
378.56
WISWESSER LINE NOTATION :
16K2&1&1 &Q &E

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
500 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
PCOC** Pesticide Chemicals Official Compendium, Association of the American Pesticide Control Officials, Inc., 1966. (Topeka, KS) Volume(issue)/page/year: -,206,1966
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - guinea pig
DOSE/DURATION :
158 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
PCOC** Pesticide Chemicals Official Compendium, Association of the American Pesticide Control Officials, Inc., 1966. (Topeka, KS) Volume(issue)/page/year: -,206,1966 *** U.S. STANDARDS AND REGULATIONS *** EPA FIFRA 1988 PESTICIDE SUBJECT TO REGISTRATION OR RE-REGISTRATION FEREAC Federal Register. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) V.1- 1936- Volume(issue)/page/year: 54,7740,1989 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 17830 No. of Facilities: 1077 (estimated) No. of Industries: 3 No. of Occupations: 9 No. of Employees: 5892 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 17830 No. of Facilities: 1378 (estimated) No. of Industries: 2 No. of Occupations: 12 No. of Employees: 10200 (estimated) No. of Female Employees: 7384 (estimated)

 Safety Information

Symbol GHS07
GHS07
Signal Word Warning
Hazard Statements H302-H315-H319
Precautionary Statements P305 + P351 + P338
Personal Protective Equipment dust mask type N95 (US);Eyeshields;Faceshields;Gloves
Hazard Codes Xn:Harmful;
Risk Phrases R22;R36/38
Safety Phrases S26-S36
RIDADR 2811
WGK Germany 3
RTECS BQ5425000
HS Code 2923900090

 Customs

HS Code 2923900090
Summary 2923900090 other quaternary ammonium salts and hydroxides。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

 Articles3

More Articles
Local environments of boron heteroatoms in non-crystalline layered borosilicates.

Phys. Chem. Chem. Phys. 17 , 21664-82, (2015)

Boron heteroatom distributions are shown to be significantly different in two closely related layered borosilicates synthesized with subtly different alkylammonium surfactant species. The complicated ...

Copper oxide and zinc oxide nanomaterials act as inhibitors of multidrug resistance transport in sea urchin embryos: their role as chemosensitizers.

Environ. Sci. Technol. 49 , 5760-70, (2015)

The ability of engineered nanomaterials (NMs) to act as inhibitors of ATP-binding cassette (ABC) efflux transporters in embryos of white sea urchin (Lytechinus pictus) was studied. Nanocopper oxide (n...

Variables affecting the foam separation of Escherichia coli.

Appl. Microbiol. 14 , 778, (1966)

The removal of washed and standardized Escherichia coli from distilled-water suspension by foam separation with nitrogen gas and 30 mug/ml of ethylhexadecyldimethylammonium bromide surfactant was incr...

 Synonyms

Cetyldimethylethylammonium Bromide
CDA
Dimethylethylcetylammonium bromide
1-Hexadecanaminium, N-ethyl-N,N-dimethyl-, bromide (1:1)
N-Ethyl-N,N-dimethylhexadecan-1-aminium bromide
Ethylhexadecyldimethylammonium bromide (EHDAB)
ethyl-hexadecyl-dimethylazanium,bromide
Cetyldimethylethylammonium bromide,Dimethylethylhexadecylammonium bromide
Dimethylethylhexadecylammonium bromide
MFCD00011774
EthylhexadecyldiMethylaMMoniuM BroMide
N-Ethyl-N,N-dimethyl-1-hexadecanaminium bromide
Cetylethyldimethylammonium Bromide
EINECS 204-672-8
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Chemsrc provides CDA(CAS#:124-03-8) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. Articles of CDA are included as well.>> amp version: CDA

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