Cesium iodide - analytical standard, ≥99.9995% metals basis, for high-resolution mass spectroscopy , CAS No.7789-17-5

CAS: 7789-17-5 Cat. No.: C118572 Formula: CsI Molecular Weight: 259.81 EC Number: 232-145-2
AVAILABLE TO ORDER
GRADE & PURITY Analytical standard ? Analytical standard — certified-purity material for quantitative calibration. Use to prepare calibration standards and validate analytical methods. ≥99.9995% metals basis for high-resolution mass spectroscopy
Synonyms
CESIUM IODIDE|7789-17-5|Cesiumiodide|Caesium iodide|Cesium iodide (CsI)|Cesium monoiodide|Dicesium diiodide|Tricesium triiodide|cesium;iodide|Cesium iodide (Cs2I2)|Cesium iodide (Cs3I3)|MFCD00010962|U1P3GVC56L|NSC-15199|EINECS 232-145-2|NSC 15199|UNII-U1P
Storage
Room temperature
Shipped In
Normal
★
Size
USA
Germany (EU)*
Price
Qty
1g
C118572-1g
3 In stock
—

$111.90

$130.90
Save $19.00 (14.51%)
5g
C118572-5g
2 In stock
—

$500.90

$583.90
Save $83.00 (14.21%)
Enter a quantity for the sizes you want to add.
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Why this grade

analytical standard, ≥99.9995% metals basis, for high-resolution mass spectroscopy Analytical standard for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Room temperature Ships Normal Check lot-specific COA for exact specifications.

📋

Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 265 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
CESIUM IODIDE | 7789-17-5 | Cesiumiodide | Caesium iodide | Cesium iodide (CsI) | Cesium monoiodide | Dicesium diiodide | Tricesium triiodide | cesium;iodide | Cesium iodide (Cs2I2) | Cesium iodide (Cs3I3) | MFCD00010962 | U1P3GVC56L | NSC-15199 | EINECS 232-145-2 | NSC 15199 | UNII-U1P
Specifications & Purity
analytical standard, ≥99.9995% metals basis, for high-resolution mass spectroscopy
Storage
Room temperature
Shipped In
Normal
Grade
Analytical standard
Purity
≥99.9995% metals basis
Names and Identifiers
Pubchem Sid
Canonical Smiles
[I-].[Cs+]
IUPAC Name
cesium;iodide
InChIKey
XQPRBTXUXXVTKB-UHFFFAOYSA-M
INCHI
1S/Cs.HI/h;1H/q+1;/p-1
Isomeric SMILES
[I-].[Cs+]
WGK Germany
2
RTECS
FL0350000
UN Number
3077
Packing Group
III
Molecular Weight
259.81

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomInorganic compounds
SuperclassMixed metal/non-metal compounds
ClassAlkali metal salts
SubclassAlkali metal iodides
Intermediate Tree Nodes Not available
Direct ParentAlkali metal iodides
Alternative Parents Inorganic salts  
Molecular FrameworkNot available
Substituents Alkali metal iodide - Inorganic salt
DescriptionThis compound belongs to the class of inorganic compounds known as alkali metal iodides. These are inorganic compounds in which the largest halogen atom is Iodine, and the heaviest metal atom is an alkali metal.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

3 results found

Lot NumberCertificate TypeDateItem
H2329170Certificate of AnalysisJun 10, 2025 C118572
H2329171Certificate of AnalysisJun 10, 2025 C118572
L1913057Certificate of AnalysisApr 09, 2025 C118572
Chemical and Physical Properties
SensitivityLight & Moisture Sensitive
Boil Point(°C)1280°C
Melt Point(°C)621-626°C"
Molecular Weight259.809 g/mol
XLogP3
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count1
Rotatable Bond Count0
Exact Mass259.81 Da
Monoisotopic Mass259.81 Da
Topological Polar Surface Area0.000 Ų
Heavy Atom Count2
Formal Charge0
Complexity2.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count2
Documents & Articles
Citations of This Product
Solution Calculators
Reviews

Customer Reviews

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