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N-CETYL-N,N,N TRIMETHYL AMMONIUM BROMIDE AR

Precipitant for nucleic acid and Muco-polysaccharrides.
(1-Hexadecyl)trimethylammonium bromide; Trimethylhexacecylammonium bromide; Cetrimonium Bromide; CTAB

COAs

Packings

100 g (00100)

500 g (00500)

1PW1200400 1PW1201600
Print friendly version
Article No. 02681 Grade AR
Purity 99% CAS No. 57-09-0
Molecular Formula C19H42BrN Molecular Weight 364.46
H.S. Code 2923.9000 Shelf Life 60 Months

Physical Properties

Physical state at 20 °C Solid Colour White powder
Odour Odorless pH value 5 - 7
Melting point/ Freezing point [°C] 248 - 251 °C Flash point [°C] 244 °C
Solubility in water [% weight] 36.4 g/l at 20 °C - completely soluble Partition coefficient Log Pow octanol / water at 20°C 3.18

Specifications

Appearance A white to creamy white, voluminous, free-flowing powder, with a characteristic faint odor and bitter, soapy taste Assay Min 99%
Heavy metal (as Pb) Max 0.001% Iron (Fe) Max 0.001%
Sulphated ash Max 0.1% Loss on drying (at 105°C; 2 hrs) Max 1.0%
Appearance of Solution (2% in boiled and cooled water) The solution is clear and colorless

Safety Information and Hazard Symbols

Corrosion Exclamation Mark Environment
Symbol: GHS05, GHS07, GHS09
 Signal Word: Danger
 UN No.: 3077
 IMCO Class No.: 9
 Packing Group: III
 Hazardous Statement: H302-H315-H318-H335-H400
 Precaution Statement: P261-P273-P280-P305 + P351 + P338
Revision Date: 26-Mar-2025

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