If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/418/501/product-dating-information-06-25-mk.pdf
H9151
Esadeciltrimetilammonio bromuro
BioXtra, ≥99%
Sinonimo/i:
CTAB, Cetiltrimetilammonio bromuro, Cetrimonio bromuro, Palmitiltrimetilammonio bromuro
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Nome del prodotto
Esadeciltrimetilammonio bromuro, BioXtra, ≥99%
InChI key
LZZYPRNAOMGNLH-UHFFFAOYSA-M
InChI
1S/C19H42N.BrH/c1-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20(2,3)4;/h5-19H2,1-4H3;1H/q+1;/p-1
SMILES string
[Br-].CCCCCCCCCCCCCCCC[N+](C)(C)C
description
cationic
product line
BioXtra
assay
≥99%
form
crystalline
powder or crystals
mol wt
micellar avg mol wt 62,000
aggregation number
170
impurities
≤0.001% Phosphorus (P)
≤0.1% Insoluble matter
ign. residue
≤0.1%
pH
5.0-7 (25 °C, 36.4 g/L)
CMC
0.92 mM (20-25°C)
mp
248-251 °C (lit.)
solubility
H2O: 0.1 M, clear, colorless to faintly yellow
density
(2,30 g/cm3)
anion traces
sulfate (SO42-): ≤0.05%
cation traces
Al: ≤0.0005%
Ca: ≤0.0005%
Cu: ≤0.0005%
Fe: ≤0.0005%
K: ≤0.005%
Mg: ≤0.0005%
Na: ≤0.005%
Pb: ≤0.001%
Zn: ≤0.0005%
HLB
10
application(s)
(DNA extraction)
Quality Level
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Questo articolo | 52365 | 52370 | H6269 |
|---|---|---|---|
| form crystalline, powder or crystals | form powder or crystals | form powder or chunks | form powder or crystals |
| assay ≥99% | assay ≥99.0% (AT) | assay ≥96.0% (AT) | assay ≥99% |
| aggregation number 170 | aggregation number 170 | aggregation number - | aggregation number 170 |
| solubility H2O: 0.1 M, clear, colorless to faintly yellow | solubility H2O: 0.1 M at 40 °C, clear, colorless | solubility H2O: 1 g/10 mL (warm) | solubility H2O: 1/10 g/mL |
| HLB 10 | HLB 10 | HLB - | HLB 10 |
| description cationic | description cationic | description cationic | description cationic |
Application
Biochem/physiol Actions
signalword
Danger
Hazard Classifications
Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1 - Skin Irrit. 2 - STOT RE 2 Oral - STOT SE 3
target_organs
Gastrointestinal tract, Respiratory system
Classe di stoccaggio
11 - Combustible Solids
wgk
WGK 3
flash_point_f
471.2 °F - closed cup
flash_point_c
244 °C - closed cup
ppe
dust mask type N95 (US), Eyeshields, Faceshields, Gloves
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How can I determine the shelf life / expiration / retest date of this product?
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How is shipping temperature determined? And how is it related to the product storage temperature?
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Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf
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