1-Methylnaphthalene - ≥96% , CAS No.90-12-0

CAS: 90-12-0 Cat. No.: M104855 Molecular Weight: 142.2 Beilstein Registry Number: 506793 EC Number: 201-966-8
AVAILABLE TO ORDER
GRADE & PURITY ≥96%
Synonyms
1-MN | 1-methylnaphtalene | AMY38999 | CAS-90-12-0 | DTXSID9020877 | NCGC00091700-02 | NCGC00259317-01 | WLN: L66J B1 | 1-Methylnapththalene | M0371 | MFCD00004034 | Q161656 | SMR001216533 | naphthalene, 1-methyl | Naphthalene, 1-methyl- | STL283953 | 1-M
Storage
Room temperature,Argon charged
Shipped In
FedEx DG Service
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Size
Status
Price
Qty
25g
M104855-25g
4

$11.90

$16.90
Save $5.00 (29.59%)
100g
M104855-100g
1
$22.90
500g
M104855-500g
1
$71.90
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Why this grade

≥96% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

Room temperature,Argon charged Ships FedEx DG Service 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 27 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

application:

1-Methylnaphthalene is used as an important intermediate in organic synthesis. It is used as a starting material of surfactant, water reducer, dispersant and drugs. Further, it is employed in the preparation of 1-methylnaphthalene-d10 using deuterium oxide, sodium deuteroxide

Specifications

Synonyms
1-MN | 1-methylnaphtalene | AMY38999 | CAS-90-12-0 | DTXSID9020877 | NCGC00091700-02 | NCGC00259317-01 | WLN: L66J B1 | 1-Methylnapththalene | M0371 | MFCD00004034 | Q161656 | SMR001216533 | naphthalene, 1-methyl | Naphthalene, 1-methyl- | STL283953 | 1-M
Specifications & Purity
≥96%
Storage
Room temperature, Argon charged
Shipped In
FedEx DG Service
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥96%
Names and Identifiers
Pubchem Sid488180236
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488180236
Canonical SmilesCC1=CC=CC2=CC=CC=C12
IUPAC Name1-methylnaphthalene
InChIKeyQPUYECUOLPXSFR-UHFFFAOYSA-N
INCHI1S/C11H10/c1-9-5-4-7-10-6-2-3-8-11(9)10/h2-8H,1H3
Isomeric SMILES CC1=CC=CC2=CC=CC=C12
WGK Germany 1
Molecular Weight 142.2
Beilstein 506793
Reaxy-Rn 506793
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=506793&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
SuperclassBenzenoids
ClassNaphthalenes
SubclassNot available
Intermediate Tree Nodes Not available
Direct ParentNaphthalenes
Alternative Parents Aromatic hydrocarbons  Polycyclic hydrocarbons  Unsaturated hydrocarbons  
Molecular FrameworkAromatic homopolycyclic compounds
Substituents Naphthalene - Aromatic hydrocarbon - Polycyclic hydrocarbon - Unsaturated hydrocarbon - Hydrocarbon - Aromatic homopolycyclic compound
DescriptionThis compound belongs to the class of organic compounds known as naphthalenes. These are compounds containing a naphthalene moiety, which consists of two fused benzene rings.
External Descriptors methylnaphthalene
3D Structure
Interactive Chemical Structure Model





Associated Targets(Human)
NR3C1 Tclin Glucocorticoid receptor (14987 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
ALDH1A1 Tchem Aldehyde dehydrogenase 1A1 (77053 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
CYP1A2 Tchem Cytochrome P450 1A2 (26471 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
CYP2A6 Tchem Cytochrome P450 2A6 (2861 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Lymphoblastoid cell (5959 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Associated Targets(non-human)
Ppard Peroxisome proliferator-activated receptor delta (358 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Cyp2a5 Cytochrome P450 2A5 (126 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Mechanisms of Action
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.

23 results found

Lot NumberCertificate TypeDateItem
F2609428Certificate of AnalysisJun 25, 2026 M104855
F2609429Certificate of AnalysisJun 25, 2026 M104855
F2609496Certificate of AnalysisJun 25, 2026 M104855
F2609498Certificate of AnalysisJun 25, 2026 M104855
B2625584Certificate of AnalysisMar 03, 2026 M104855
B2625622Certificate of AnalysisMar 03, 2026 M104855
B2625623Certificate of AnalysisMar 03, 2026 M104855
B2625624Certificate of AnalysisMar 03, 2026 M104855
E2205055Certificate of AnalysisFeb 04, 2026 M104855
E2205056Certificate of AnalysisFeb 04, 2026 M104855
E2205059Certificate of AnalysisFeb 04, 2026 M104855
G2514373Certificate of AnalysisJul 22, 2025 M104855
G2514371Certificate of AnalysisJul 22, 2025 M104855
G2514156Certificate of AnalysisJul 22, 2025 M104855
G2510462Certificate of AnalysisJul 16, 2025 M104855
I2103075Certificate of AnalysisJun 09, 2025 M104855
D2123025Certificate of AnalysisFeb 07, 2025 M104855
L1606077Certificate of AnalysisAug 12, 2024 M104855
J1818134Certificate of AnalysisAug 10, 2022 M104855
B2303862Certificate of AnalysisMay 10, 2022 M104855
L2305173Certificate of AnalysisMay 10, 2022 M104855
E2205058Certificate of AnalysisMay 10, 2022 M104855
B2512030Certificate of AnalysisMay 10, 2022 M104855

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Chemical and Physical Properties
SolubilityMiscible with water, alcohol, ethanol, ether and benzene.
SensitivityMoisture sensitive.
Refractive Index1.617
Flash Point(°F)172.4℉
Flash Point(°C)78℃
Boil Point(°C)244.64°C
Melt Point(°C)-22°C
Molecular Weight142.200 g/mol
XLogP33.900
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count0
Rotatable Bond Count0
Exact Mass142.078 Da
Monoisotopic Mass142.078 Da
Topological Polar Surface Area0.000 Ų
Heavy Atom Count11
Formal Charge0
Complexity128.000
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
References
1. Jingtao Guo, Chao Pan, Bingxiao Feng, Xiaomin Qiu, Quanhong Zhu, Hongbing Song, Hengjun Gai, Meng Xiao, Tingting Huang.  (2023)  Conceptual Design and Development of an Environment-Friendly Process for Simultaneous Extraction of Phenol and Naphthalene Compounds from Tar.  INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,      [PMID:] [10.1021/acs.iecr.3c01388]
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13. Zhou Xiu-Jie, Zhang Li-Shun, Song Wen-Fang, Huang Yan-Ping, Liu Zhao-Sheng.  (2018)  A polymer monolith incorporating stellate mesoporous silica nanospheres for use in capillary electrochromatography and solid phase microextraction of polycyclic aromatic hydrocarbons and organic small molecules.  MICROCHIMICA ACTA,  185  (9): (1-10).  [PMID:30178314] [10.1007/s00604-018-2964-6]
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19. Yao Aiping, Xu Hongliang, Shao Kuizhan, Sun Chunyi, Qin Chao, Wang Xinlong, Su Zhongmin.  (2025)  Guest-induced structural transformation of single-crystal 3D covalent organic framework at room and high temperatures.  Nature Communications,  16  (1): (1-7).  [PMID:39910128] [10.1038/s41467-025-56750-9]
20. Junwei Cui, Abdul Mosaur Waseel, Qing Duan, Yike Gao, Chenyang Zhang, Tao Yang, Shengshan Bi.  (2025)  Measurement and correlation of the solubility of Hydrogen in Acetophenone and 1-Methylnaphthalene.  FLUID PHASE EQUILIBRIA,      [PMID:] [10.1016/j.fluid.2025.114386]
21. Yifei Wang, Ze Wang, Pengfei Qin, Songgeng Li.  (2024)  Thermal Stabilities of Phenolic Resoles Prepared from Four Phenolic Compounds as Model Components of Bio-Oil.  ChemistrySelect,  (34): (e202403054).  [PMID:] [10.1002/slct.202403054]
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