Molybdenum disiticide - ≥99% metals basis , CAS No.12136-78-6

CAS: 12136-78-6 Cat. No.: M100523 Molecular Weight: 152.11 EC Number: 235-231-8 PubChem CID: 6336985
AVAILABLE TO ORDER
GRADE & PURITY ≥99% metals basis
Synonyms
EINECS 235-231-8 | Molybdenum silicide | Molybdenum silicide (MoSi2) 10-50um | Molybdenumsilicide(MoSi2)10-50um | Molybdenum disilicide MoSi2 GRADE B (H?gan?s) | MS (silicide) | Molybdenum silicide (MoSi2) | Molybdenum disilicide MoSi2 GRADE A (H?gan?s) |
Storage
Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
25g
M100523-25g
6
$16.90
100g
M100523-100g
1
$44.90
500g
M100523-500g
1
$168.90
Enter a quantity for the sizes you want to add.
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Why this grade

≥99% metals basis for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

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

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Quality documents

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

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Literature proof

Cited in 8 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
EINECS 235-231-8 | Molybdenum silicide | Molybdenum silicide (MoSi2) 10-50um | Molybdenumsilicide(MoSi2)10-50um | Molybdenum disilicide MoSi2 GRADE B (H?gan?s) | MS (silicide) | Molybdenum silicide (MoSi2) | Molybdenum disilicide MoSi2 GRADE A (H?gan?s) |
Specifications & Purity
≥99% metals basis
Storage
Room temperature
Shipped In
Normal
Purity
≥99% metals basis
Names and Identifiers
Pubchem Sid504764082
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504764082
Canonical Smiles[Si]=[Mo]=[Si]
InChIKeyYXTPWUNVHCYOSP-UHFFFAOYSA-N
INCHI1S/Mo.2Si
Isomeric SMILES [Si]=[Mo]=[Si]
WGK Germany 3
PubChem CID 6336985
Molecular Weight 152.11

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
ClassMetalloid salts
SubclassNot available
Intermediate Tree Nodes Not available
Direct ParentMetalloid salts
Alternative Parents Intermetallic transition metal compounds  
Molecular FrameworkNot available
Substituents Intermetallic transition metal - Inorganic metalloid salt
DescriptionThis compound belongs to the class of inorganic compounds known as metalloid salts. These are inorganic halogenic compounds in which the heaviest metal atom is a metalloid.
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.

14 results found

Lot NumberCertificate TypeDateItem
G2222698Certificate of AnalysisMay 09, 2026 M100523
G2222699Certificate of AnalysisMay 09, 2026 M100523
A2211431Certificate of AnalysisOct 13, 2025 M100523
A2211453Certificate of AnalysisOct 13, 2025 M100523
J2115490Certificate of AnalysisJul 15, 2025 M100523
K2020062Certificate of AnalysisSep 12, 2024 M100523
B2302469Certificate of AnalysisFeb 07, 2023 M100523
L2214307Certificate of AnalysisDec 19, 2022 M100523
L2214351Certificate of AnalysisDec 19, 2022 M100523
L2214352Certificate of AnalysisDec 19, 2022 M100523
L2214353Certificate of AnalysisDec 19, 2022 M100523
L2214359Certificate of AnalysisDec 19, 2022 M100523
B2309111Certificate of AnalysisJul 28, 2022 M100523
A2211454Certificate of AnalysisJan 14, 2022 M100523

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Chemical and Physical Properties
Melt Point(°C)2030°C
Molecular Weight152.120 g/mol
XLogP3
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count0
Rotatable Bond Count0
Exact Mass153.859 Da
Monoisotopic Mass153.859 Da
Topological Polar Surface Area0.000 Ų
Heavy Atom Count3
Formal Charge0
Complexity18.300
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 Count1
Citations of This Product
References
1. Ruizheng Xu, Guiyu Wei, Zhemin Xie, Sijie Diao, Jianfeng Wen, Tao Tang, Li Jiang, Ming Li, Guanghui Hu.  (2023)  V2C MXene–modified g-C3N4 for enhanced visible-light photocatalytic activity.  JOURNAL OF ALLOYS AND COMPOUNDS,      [PMID:] [10.1016/j.jallcom.2023.172656]
2. Zidan Zhou, Xinwen Peng, Linxin Zhong, Lan Wu, Xuefei Cao, Run Cang Sun.  (2015)  Electrospun cellulose acetate supported Ag@AgCl composites with facet-dependent photocatalytic properties on degradation of organic dyes under visible-light irradiation.  CARBOHYDRATE POLYMERS,      [PMID:26572362] [10.1016/j.carbpol.2015.09.009]
3. Miao Liu, Ying He, Ying-Ying Jiao, Ling Ding, Di An, Yang Yang, Qing-Qing Hao, Hui-Yong Chen, Qun-Xing Luo.  (2024)  Nature of Glucose Epimerization Catalyzed by Mo-Containing Bulk Catalysts in Aqueous Phase.  ACS Catalysis,      [PMID:] [10.1021/acscatal.4c02893]
4. Wang Luyan, Liu Rongjun, Wang Yanfei, Li Duan, Miao Huaming.  (2025)  Oxidation Resistance Mechanism of Wide-Temperature Anti-Oxidation Coatings for C/C Composites.  CERAMICS INTERNATIONAL,      [PMID:] [10.1016/j.ceramint.2025.07.348]
5. Shengjian Mao, Ying Yu, Zhichao Xue, Yipeng Guo, Wenyan Huang, Siqi Lan, Jiaxue Zhang, Kaiqi Chen, Xinqi Chen, Rongqian Yao.  (2025)  Biomimetic swallow nest-inspired fabrics and derived multifunctional composite ceramics via orthogonal self-assembly and conformal modification strategies.  COMPOSITES PART B-ENGINEERING,      [PMID:] [10.1016/j.compositesb.2025.112931]
6. Shiquan Zhang, Jian Zhang, Sheng Hu, Ruizhi Zhang, Junguo Li, Qiang Shen.  (2025)  Ablation behavior and mechanism of MoSi2/mica/HSM modified CF/BPR composites during prolonged ablation of oxyacetylene flame.  CERAMICS INTERNATIONAL,      [PMID:] [10.1016/j.ceramint.2025.03.318]
7. Shiquan Zhang, Jian Zhang, Suohui Yang, Sheng Hu, Junguo Li, Qiang Shen.  (2024)  Enhancing the mechanical and insulation properties of CF/BPR composites by adding hollow silicate glass microspheres as an Interlaminar reinforcement.  POLYMER DEGRADATION AND STABILITY,      [PMID:] [10.1016/j.polymdegradstab.2024.110781]
8. Yang Suohui, Zhang Shiquan, Zhang Ruizhi, Zhang Jian, Shen Qiang.  (2025)  Oxidation Behavior and Mechanical Property of Ceramifiable Phenolic Resin Matrix Composites with a Wide Temperature Range.  JOURNAL OF WUHAN UNIVERSITY OF TECHNOLOGY-MATERIALS SCIENCE EDITION,  40  (5): (1231-1238).  [PMID:] [10.1007/s11595-025-3161-1]
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