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T6381

N,O-Bis(trimethylsilyl)trifluoroacetamide with trimethylchlorosilane

with 1% trimethylchlorosilane, derivatization grade (GC derivatization), LiChropur

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Synonim(y):

BSTFA + TMCS

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Rozmiar/SKUDostępnośćCena netto
5 g
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320,00 zł
1 amp
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326,00 zł
10 amp
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1510,00 zł
25 g
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1900,00 zł
100 g
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5520,00 zł

Informacje o tej pozycji

Wzór liniowy:
CF3C[=NSi(CH3)3]OSi(CH3)3
Numer CAS:
Masa cząsteczkowa:
257.40
UNSPSC Code:
23151817
NACRES:
NA.22
PubChem Substance ID:
MDL number:
Beilstein/REAXYS Number:
2050024

320,00 zł


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grade

derivatization grade (GC derivatization)

Quality Segment

quality

LiChropur, with 1% trimethylchlorosilane

contains

1% trimethylchlorosilane as additive

reaction suitability

reagent type: derivatization reagent
reaction type: Silylations

technique(s)

gas chromatography (GC): suitable

color

hazy clear to colorless

refractive index

n20/D 1.384 (lit.)

bp

45-50 °C/14 mmHg (lit.)

solubility

hexane: miscible 100 mg/mL

density

0.97 g/mL (lit.)

functional group

silyl

storage temp.

2-8°C

SMILES string

C[Si](C)(C)O\C(=N\[Si](C)(C)C)C(F)(F)F

InChI

1S/C8H18F3NOSi2/c1-14(2,3)12-7(8(9,10)11)13-15(4,5)6/h1-6H3/b12-7+

InChI key

XCOBLONWWXQEBS-KPKJPENVSA-N

General description

N,O-Bis(trimethylsilyl)trifluoroacetamide with trimethylchlorosilane is a silylating reagent generally used in estrogenic steroid hormone identification and quantification.

Application

BSTFA+TMCS has been used as derivatizing reagent for GC-MS determination of natural and synthetic estrogenic steroids.

Packaging

Clear borosilicate glass, high hydrolytic resistance (Type I)
Sealed ampules contain 1 ml. Gram sizes are in screw-cap bottles.

Other Notes

The position of the silyl groups has not been unequivocally established. It has been referred to as both N,N and N,O.

Legal Information

LiChropur is a trademark of Merck KGaA, Darmstadt, Germany
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1522215238155195
description

with 1% trimethylchlorosilane, derivatization grade (GC derivatization), LiChropur

description

derivatization grade (GC derivatization), LiChropur, ≥99.0%

description

derivatization grade (GC derivatization), LiChropur, contains 1% TMCS, 99% (excluding TMCS)

description

≥99%

solubility

hexane: miscible 100 mg/mL

solubility

-

solubility

-

solubility

-

Quality Level

100

Quality Level

100

Quality Level

100

Quality Level

200

reaction suitability

reagent type: derivatization reagent
reaction type: Silylations

reaction suitability

reagent type: derivatization reagent
reaction type: Silylations

reaction suitability

reagent type: derivatization reagent
reaction type: Silylations

reaction suitability

reagent type: protection reagent, reactivity: amine reactive, reactivity: alcohol reactive

bp

45-50 °C/14 mmHg (lit.)

bp

45-50 °C/14 mmHg (lit.)

bp

45-50 °C/14 mmHg (lit.)

bp

45-50 °C/14 mmHg (lit.)

storage temp.

2-8°C

storage temp.

-

storage temp.

-

storage temp.

-

refractive index

n20/D 1.384 (lit.)

refractive index

n20/D 1.384

refractive index

n20/D 1.384 (lit.)

refractive index

n20/D 1.384 (lit.)


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pictograms

FlameExclamation mark

signalword

Danger

Hazard Classifications

Eye Irrit. 2 - Flam. Liq. 2 - Skin Irrit. 2

Klasa składowania

3 - Flammable liquids

wgk

WGK 3

flash_point_f

44.1 °F - closed cup

flash_point_c

6.7 °C - closed cup

ppe

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter



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Questions

1–2 of 2 Questions  
  1. How can I determine the shelf life / expiration / retest date of this product?

    1 answer
    1. 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

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  2. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer
    1. 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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