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The current international situation is complex and volatile, and uncertain tariff policies may potentially impact our product prices. Given these uncertainties, we value your understanding regarding order-related matters.

If you decide to place an order during this period, we reserve the right to adjust the price based on the evolving situation. We understand that market changes may cause inconvenience. We will negotiate with you if there’s a significant price fluctuation due to tariff policy changes before the order’s actual delivery, and in such cases we may adjust or cancel the order as necessary.

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Key Documents

Safety Information

742732

Sigma-Aldrich

TurboBeads™ Silica

extent of labeling: SiO2 loading (Silica coating))

Synonym(s):

Nano particles, magnetic, with silica surface

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100 ML
CN¥170.58
1 L
CN¥592.64

CN¥170.58

Estimated to ship onApril 21, 2025Details

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100 ML
CN¥170.58
1 L
CN¥592.64

About This Item

UNSPSC Code:
12352128
NACRES:
NA.22

CN¥170.58

Estimated to ship onApril 21, 2025Details

Request a Bulk Order

product line

TurboBeads™

Assay

≥99%

form

powder

composition

carbon content, ≤14 wt. %

reaction suitability

reaction type: solution phase peptide synthesis

extent of labeling

SiO2 loading (Silica coating))

magnetization

≥100 emu/g, mass saturation

surface area

≥15 m2/g

average diameter

≤50 nm

suitability

conforms to structure for Infrared spectrum

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This Item
0376176635PHR1270
Fumaric acid ≥99.0% (T)

47910

Fumaric acid

Fumaric acid tested according to USP/NF

03761

Fumaric acid

Fumaric acid certified reference material, TraceCERT®, Manufactured by: Sigma-Aldrich Production GmbH, Switzerland

76635

Fumaric acid

Fumaric Acid Pharmaceutical Secondary Standard; Certified Reference Material

PHR1270

Fumaric Acid

assay

≥99.0% (T)

assay

≥99.5%

assay

-

assay

-

Quality Level

200

Quality Level

200

Quality Level

300

Quality Level

300

form

powder

form

fine crystals, powder

form

-

form

-

solubility

95% ethanol: soluble 0.46 g/10 mL, clear, colorless

solubility

-

solubility

-

solubility

-

vapor pressure

1.7 mmHg ( 165 °C)

vapor pressure

1.7 mmHg ( 165 °C)

vapor pressure

1.7 mmHg ( 165 °C)

vapor pressure

1.7 mmHg ( 165 °C)

Packaging

Bottomless glass bottle. Contents are inside inserted fused cone.

Analysis Note

Proof of identity: metallic cobalt identity from XRD

air-stability:
weight gain in air at 400°C >20 wt.%
weight gain in air at 100°C <3 wt.%

Legal Information

TurboBeads is a trademark of TurboBeads LLC

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Regulatory Information

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    Certificates of Analysis (COA)

    Lot/Batch Number
    BCCG0980
    BCCF6590
    BCBK1098V
    BCBK1098

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    Quirin M Kainz et al.
    Chemistry (Weinheim an der Bergstrasse, Germany), 19(30), 10038-10045 (2013-06-19)
    Unprecedented magnetic borohydride exchange (mBER), magnetic Wang aldehyde (mWang) and magnetic amine resins were prepared from highly magnetic polymer-coated cobalt or iron nanoparticles. Microwave irradiation was used to obtain excellent degrees of functionalization (>95 %) and loadings (up to 3.0 mmol  g(-1))
    Jacinto Sá et al.
    Nanoscale, 5(18), 8462-8465 (2013-07-12)
    Non-magnetic Pt catalysts, supported on carbon coated magnetic Co nanoparticles, changed catalytic performance in the presence of an external magnetic field. This behavior relates to an electronic change of Pt induced by a localized magnetic field, which modifies the CO
    Hideya Kawasaki et al.
    Analytical chemistry, 84(21), 9268-9275 (2012-09-29)
    Graphene-coated cobalt nanoparticles surface-functionalized with benzylamine groups (CoC-NH(2) nanomagnets) were shown to effectively enrich analytes for surface-assisted laser desorption/ionization mass spectrometry (affinity SALDI-MS) analysis. These CoC-NH(2) nanomagnets are highly suited for use with affinity SALDI-MS because their mean diameter of
    Saroj Kumar et al.
    Journal of nanobiotechnology, 11, 14-14 (2013-05-04)
    Introduction of effective point-of-care devices for use in medical diagnostics is part of strategies to combat accelerating health-care costs. Molecular motor driven nanodevices have unique potentials in this regard due to unprecedented level of miniaturization and independence of external pumps.
    Inge K Herrmann et al.
    Nanoscale, 5(18), 8718-8723 (2013-08-01)
    In a number of clinical conditions such as intoxication, bacteraemia or autoimmune diseases the removal of the disease-causing factor from blood would be the most direct cure. However, physicochemical characteristics of the target compounds limit the applicability of classical filtration
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