One kilogram of a 25% (wt %) cetyltrimethylammonium chloride solution would be made using 250 grams of cetyltrimethylammonium chloride and 750 grams of water. If 250 grams of cetyltrimethylammonium chloride and 1000 grams of water were used, the concentration would only be 250 g/1250 g = 0.20 or 20%.
292737
Cetyltrimethylammonium chloride solution
25 wt. % in H2O
Synonym(s):
Hexadecyltrimethylammonium chloride solution
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| Size/SKU | Availability | Price |
|---|---|---|
25 mL | Available to ship TODAYfromMILWAUKEE | $86.90 |
500 mL | Available to ship TODAYfromMILWAUKEE | $141.00 |
About This Item
Linear Formula:
CH3(CH2)15N(Cl)(CH3)3
CAS Number:
Molecular Weight:
320.00
UNSPSC Code:
12352116
NACRES:
NA.22
PubChem Substance ID:
MDL number:
Beilstein/REAXYS Number:
3657974
$86.90
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form
liquid
Quality Segment
reaction suitability
core: ammonium
concentration
25 wt. % in H2O
refractive index
n20/D 1.3778
density
0.968 g/mL at 25 °C
SMILES string
[Cl-].CCCCCCCCCCCCCCCC[N+](C)(C)C
InChI
1S/C19H42N.ClH/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
InChI key
WOWHHFRSBJGXCM-UHFFFAOYSA-M
Application
Cetyltrimethylammonium chloride (CTAC) is a cationic surfactant that can be used in the synthesis of mesoporous molecular sieves and micelle complexes. It can also be used as a dispersant to prevent aggregation of nanoparticles.
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This Item | |||
|---|---|---|---|
| reaction suitability core: ammonium | reaction suitability core: ammonium | reaction suitability core: ammonium | reaction suitability - |
| form liquid | form liquid | form crystalline | form - |
| Quality Level 200 | Quality Level 200 | Quality Level 200 | Quality Level 300 |
| density 0.968 g/mL at 25 °C | density 0.964 g/mL at 25 °C | density - | density - |
| concentration 25 wt. % in H2O | concentration 75 wt. % in H2O | concentration - | concentration - |
| refractive index n20/D 1.3778 | refractive index n20/D 1.4682 | refractive index - | refractive index - |
signalword
Danger
hcodes
Hazard Classifications
Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1 - Skin Corr. 1C
Storage Class
8A - Combustible corrosive hazardous materials
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type ABEK (EN14387) respirator filter
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Could you please add details about how this solution is made ? Some sources will say 25 wt. % means 250g of CTAC in 1000g of water, others will say it means 250g of CTAC in 750g of water. Thank you.
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How can I determine the shelf life / expiration / retest date of this product?
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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.pdfHelpful?
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How is shipping temperature determined? And how is it related to the product storage temperature?
1 answer-
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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