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241474

Sigma-Aldrich

Silver sulfide

99.9% trace metals basis

Synonym(s):

Disilver sulfide, Silver(I) sulfide

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About This Item

Empirical Formula (Hill Notation):
Ag2S
CAS Number:
21548-73-2
Molecular Weight:
247.80
EC Number:
244-438-2
MDL number:
MFCD00003406
UNSPSC Code:
12352300
PubChem Substance ID:
24854485
NACRES:
NA.23

Assay

99.9% trace metals basis

mp

845 °C (lit.)

density

7.234 g/mL at 25 °C (lit.)

SMILES string

[Ag]S[Ag]

InChI

1S/2Ag.S

InChI key

OCWNMDUAUUAHSJ-UHFFFAOYSA-N

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Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H315,H319,H335

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Sigma-Aldrich

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Guosong Hong et al.
Angewandte Chemie (International ed. in English), 51(39), 9818-9821 (2012-09-07)
Hits the dot: Ag(2)S quantum dots (QDs) with bright near-infrared-II fluorescence emission (around 1200 nm) and six-arm branched PEG surface coating were synthesized for in vivo small-animal imaging. The 6PEG-Ag(2)S QDs afforded a tumor uptake of approximately 10 % injected
Yan Zhang et al.
ACS nano, 6(5), 3695-3702 (2012-04-21)
Ag(2)S quantum dots (QDs) emitting in the second near-infrared region (NIR-II, 1.0-1.4 μm) are demonstrated as a promising fluorescent probe with both bright photoluminescence and high biocompatibility for the first time. Highly selective in vitro targeting and imaging of different
Chuanxi Wang et al.
Small (Weinheim an der Bergstrasse, Germany), 8(20), 3137-3142 (2012-07-11)
Low toxicity and fluorescent nanomaterials have many advantages in biological imaging. Herein, a novel and facile aqueous-phase approach to prepare biocompatible and fluorescent Ag(2)S nanoclusters (NCs) is designed and investigated. The resultant Ag(2)S NCs show tunable luminescence from the visible
Yan Zhang et al.
Biomaterials, 34(14), 3639-3646 (2013-02-19)
Ag2S quantum dots (QDs) have been demonstrated as a promising near-infrared II (NIR-II, 1.0-1.4 μm) emitting nanoprobe for in vivo imaging and detection. In this work, we carefully study the long-term in vivo biodistribution of Ag2S QDs functionalized with polyethylene glycol (PEG) and
Yong Wang et al.
Chemical communications (Cambridge, England), 49(32), 3324-3326 (2013-03-19)
BSA-stabilized Ag2S QDs were fabricated in aqueous solution via a one-pot approach, and subsequently bioconjugated with antiVEGF for targeted in vivo cancer imaging.
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