Dimethyloctadecylchlorosilane - ≥97%(T) , CAS No.18643-08-8

CAS: 18643-08-8 Cat. No.: D155352 Peso molecular: 347.10 Beilstein Registry Number: 2246010 Número EC: 242-472-2
Disponible para pedir
GRADE & PURITY ≥97%(T)
Synonyms
Silano, clorodimetiloctadecilsilano | Clorodimetilctadecilsilano | Cloro-dimetil-ctadecilsilano | C20H43ClSi | Clorodimetiloctadecilsilano | Cloro-dimetil-octadecilsilano | CD5636 | Dimetil-n-octadecilclorosilano | Ctadecildimetilclorosilano, 70
Storage
Argon charged,Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Estado
Price
Qty
5ml
D155352-5ml
2

14,90US$

22,90US$
Guardar 8,00 US$ (34.93%)
25ml
D155352-25ml
2

48,90US$

73,90US$
Guardar 25,00 US$ (33.83%)
100ml
D155352-100ml
1

151,90US$

206,90US$
Guardar 55,00 US$ (26.58%)
500ml
D155352-500ml
1
641,90US$
Enter a quantity for the sizes you want to add.
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Why this grade

≥97%(T) for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Argon charged,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 7 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Sinónimos
Silano, clorodimetiloctadecilsilano | Clorodimetilctadecilsilano | Cloro-dimetil-ctadecilsilano | C20H43ClSi | Clorodimetiloctadecilsilano | Cloro-dimetil-octadecilsilano | CD5636 | Dimetil-n-octadecilclorosilano | Ctadecildimetilclorosilano, 70
Especificaciones y pureza
≥97%(T)
Condiciones de almacenamiento de almacenamiento
Argon charged, Room temperature
Enviado en
Normal
Pureza
≥97%(T)
Nombres e identificadores
Sonrisas canónicasCCCCCCCCCCCCCCCCCC[Si](C)(C)Cl
IUPAC Namechloro-dimethyl-octadecylsilane
InChIKeyGZGREZWGCWVAEE-UHFFFAOYSA-N
INCHI1S/C20H43ClSi/c1-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20-22(2,3)21/h4-20H2,1-3H3
Isómeros SMILES CCCCCCCCCCCCCCCCCC[Si](C)(C)Cl
WGK Alemania 1
Número ONU 2987
Grupo de embalaje II
Peso molecular 347.10
Beilstein 2246010
Reaxy-Rn 2246012
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=2246012&ln=

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

KingdomOrganic compounds
SuperclassOrganometallic compounds
ClaseOrganometalloid compounds
SubclassOrganosilicon compounds
Intermediate Tree Nodes Organoheterosilanes - Trialkylheterosilanes
Direct ParentTrialkylchlorosilanes
Alternative Parents Silyl monohalides  Organochlorosilanes  Organic metalloid salts  Alkylhalosilanes  Hydrocarbon derivatives  
Molecular FrameworkAliphatic acyclic compounds
Substituents Trialkylchlorosilane - Silyl monohalide - Organochlorosilane - Organic metalloid salt - Alkylhalosilane - Hydrocarbon derivative - Organic salt - Aliphatic acyclic compound
DescripciónThis compound belongs to the class of organic compounds known as trialkylchlorosilanes. These are organoheterosilanes, bearing a silicon atom linked to three alkyl groups and one chlorine atom.
External Descriptors Not available
Estructura 3D
Modelo de Estructura Química Interactiva





Certificados (CoA, COO, BSE/TSE y tabla de análisis)
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.

12 results found

Lot NumberCertificate TypeFechaArticulo
K2524404Certificate of AnalysisOct 30, 2025 D155352
K2524405Certificate of AnalysisOct 30, 2025 D155352
K2524406Certificate of AnalysisOct 30, 2025 D155352
B2216184Certificate of AnalysisOct 30, 2025 D155352
K2129515Certificate of AnalysisSep 08, 2025 D155352
C2519625Certificate of AnalysisMar 03, 2025 D155352
C2519627Certificate of AnalysisMar 03, 2025 D155352
C2519628Certificate of AnalysisMar 03, 2025 D155352
J2215238Certificate of AnalysisJul 22, 2022 D155352
J2215256Certificate of AnalysisJul 22, 2022 D155352
J2215257Certificate of AnalysisJul 22, 2022 D155352
J2215259Certificate of AnalysisJul 22, 2022 D155352

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Propiedades químicas y físicas
SensibilidadMoisture sensitive.
Punto de inflamación (°F)392 °F
Punto de inflamación (°C)201°C(lit.)
Punto de fusión (°C)29 °C
Peso molecular347.100 g/mol
XLogP3
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count0
Rotatable Bond Count17
Exact Mass346.282 Da
Monoisotopic Mass346.282 Da
Topological Polar Surface Area0.000 Ų
Heavy Atom Count22
Formal Charge0
Complexity216.000
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 Count1
Citations of This Product
Referencias
1. Xiang Wan, Dian Wang, Yuqing He, Jiafei Wang, Qin Xu, Donglin Zhao, Fazhi Xie, Qishu Qu.  (2023)  Simple Preparation Method of Silica Core–Shell Spheres for HPLC in Undergraduate Chemistry.  JOURNAL OF CHEMICAL EDUCATION,      [PMID:] [10.1021/acs.jchemed.2c00956]
2. Likai Qi, Xinyi Jiang, Ning Wu, Jingjing Li, Bin Di, Fang Yan.  (2022)  Synthesis of a novel polydopamine and C18 dual-functionalized magnetic core-shell mesoporous nanocomposite for enrichment and analysis of widely abused illegal drugs in urine samples on site and in the laboratory.  JOURNAL OF PHARMACEUTICAL AND BIOMEDICAL ANALYSIS,      [PMID:35168125] [10.1016/j.jpba.2022.114656]
3. Da Wang, Qinfu Zhao, Tongying Jiang, Luping Sha, Siling Wang, Yongbo Song.  (2019)  Large amino acid transporter 1 mediated glutamate modified mesoporous silica nanoparticles for chemophotothermal therapy.  JOURNAL OF DRUG DELIVERY SCIENCE AND TECHNOLOGY,      [PMID:] [10.1016/j.jddst.2019.05.043]
4. Luping Sha, Da Wang, Yuling Mao, Wei Shi, Tianbin Gao, Qinfu Zhao, Siling Wang.  (2018)  Hydrophobic interaction mediated coating of pluronics on mesoporous silica nanoparticle with stimuli responsiveness for cancer therapy.  NANOTECHNOLOGY,  29  (34): (345101).  [PMID:29786605] [10.1088/1361-6528/aac6b1]
5. Yajun Du, Lingping Cheng, Long Chen, Yunchao He, Yaling Wu, Shanshan He, Yanxiong Ke.  (2017)  Preparation of sub-2 μm large-pore monodispersed mesoporous silica spheres using mixed templates and application in HPLC.  MICROPOROUS AND MESOPOROUS MATERIALS,      [PMID:] [10.1016/j.micromeso.2017.02.051]
6. Cailing Chu, Fei Tan, Xiuyan Zhu, Long Su, Zhenghe Xu, Dejun Sun.  (2024)  Temperature-Insensitive Nonpolar Suspensions of Polyoxyethylene Alkyl Ether-Grafted Silica Nanoparticles.  LANGMUIR,      [PMID:38867510] [10.1021/acs.langmuir.4c01270]
7. Jia Chen, Run-qin Wang, Bei-bei Guo, Li Yang, Shuang Hu.  (2026)  Magnetic C18-modified mesoporous silica as an efficient adsorbent for dispersive solid phase microextraction of cardiac glycosides in human plasma.  JOURNAL OF CHROMATOGRAPHY A,      [PMID:41616397] [10.1016/j.chroma.2026.466736]
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