Methylnaphthalene (CAS 1321-94-4) — formula C11H10, molecular weight 142.20; category organic chemicals.
Methylnaphthalene (CAS 1321-94-4) is a chemical raw material in the organic chemicals category. Its molecular formula C11H10 comprises 11 C, 10 H atoms. Its molecular weight is about 142.20. Reported physicochemical data: melting point around -8 °F (NTP, 1992), boiling point around 450 to 590 °F at 760 mmHg (NTP, 1992), LogP about 3.9. As a sourcing and distribution partner we help locate and compare this item across domestic and cross-border channels, arranging samples and batch orders with full COA and compliance files.
| CAS Number | 1321-94-4 |
|---|---|
| Molecular Formula | C11H10 |
| Molecular Weight | 142.20 |
| Melting Point | -8 °F (NTP, 1992) |
| Boiling Point | 450 to 590 °F at 760 mmHg (NTP, 1992) |
| LogP | 3.9 |
| Applications | Produced from coal tar and used to make dyes and resins, solvent for pesticides, Present in asphalt and smoke from burning cigarettes and wood, solvent and to make surfactants, insecticides, and other chemicals |
| Category | Organic Chemicals |
Documented applications: Produced from coal tar and used to make dyes and resins, solvent for pesticides, Present in asphalt and smoke from burning cigarettes and wood, solvent and to make surfactants, insecticides, and other chemicals.
Methylnaphthalene is a carbon-based organic compound with CAS registry number 1321-94-4 and molecular formula C11H10 (molecular weight 142.20), belonging to the organic chemicals segment of chemical raw materials.
CAS number: 1321-94-4
Its molecular formula C11H10 comprises 11 C, 10 H atoms.
Also known as: Methylnaphthalene · 甲基萘
Category: organic chemicals
The CAS registry number of Methylnaphthalene is 1321-94-4.
Molecular formula C11H10, molecular weight 142.20.
It is also registered under: Methylnaphthalene, 甲基萘.
Recorded applications: Produced from coal tar and used to make dyes and resins, solvent for pesticides, Present in asphalt and smoke from burning cigarettes and wood, solvent and to make surfactants, insecticides, and other chemicals.
Category: Organic Chemicals.
Packaging is agreed per order, from lab-scale packs to bulk, and confirmed with each order rather than fixed on the page. A Certificate of Analysis (COA) ships with every batch and MSDS is available; where the end use carries a regulatory limit (food contact, pharmaceutical or cosmetic), state the standard at enquiry and the grade is set against it.
Independent reference data for Methylnaphthalene (CAS 1321-94-4), compiled from public chemistry databases.
| CAS Registry Number | 1321-94-4 |
|---|---|
| PubChem CID | 7002 |
| Molecular formula | C11H10 |
| IUPAC name | 1-methylnaphthalene |
| UNII (FDA) | E7SK1Y1311 |
| FEMA number | 3193 |
| JECFA number | 1335 |
| Molecular Weight | 142.20 |
|---|---|
| XLogP3 | 3.9 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 0 |
| Rotatable Bond Count | 0 |
| Exact Mass | 142.078250319 |
| Monoisotopic Mass | 142.078250319 |
| Topological Polar Surface Area | 0 |
| Heavy Atom Count | 11 |
| Boiling Point | 450 to 590 °F at 760 mmHg (NTP, 1992) |
|---|---|
| Boiling Point | 464 to 469 °F at 760 mmHg (NTP, 1992) |
| Boiling Point | 244 °C |
| Boiling Point | 241.00 to 245.00 °C. @ 760.00 mm Hg |
| Boiling Point | 245 °C |
| Boiling Point | 241-245 °C |
| Boiling Point | 464-469 °F |
| Boiling Point | 244.7 °C @760 [mm Hg] |
| Melting Point | -8 °F (NTP, 1992) |
| Melting Point | -30.43 °C |
1-METHYLNAPHTHALENE; 90-12-0; alpha-Methylnaphthalene; Naphthalene, 1-methyl-; 1-methyl-naphthalene; FEMA No. 3193; DTXSID9020877; 1-Methyl naphthalene; E7SK1Y1311; NSC-3574; DTXCID30877; CHEBI:50717; RefChem:76402; 201-966-8; METHYLNAPHTHALENE; 1321-94-4
| Regulatory & Food Contact | EU Flavoring substances FDA Substance added to food: FLAVORING AGENT OR ADJUVANT Flavoring Agents FLAVOURING_AGENT: Flavouring Agent No safety concern at current levels of intake when used as a flavouring agent TRS 928-JECFA 63/73 |
|---|---|
| GHS notification summary | 2.7% (50 / 1882) |
| GHS notification summary | 2.7% (50 / 1882) |
|---|---|
| Reported hazard statements | H302 (96.3%), H304 (91.6%), H411 (14.1%), H319 (100%), H335 (100%), H336 (100%), H373 (100%), H400 |
This chemical does not meet GHS hazard criteria for 2.7% (50 of 1882) of reports.
H302 (96.3%): Harmful if swallowed [Warning Acute toxicity, oral]
Methylnaphthalene · CAS 1321-94-4 · C11H10. UNII E7SK1Y1311. Boiling Point: 450 to 590 °F at 760 mmHg (NTP, 1992); Boiling Point: 464 to 469 °F at 760 mmHg (NTP, 1992); Boiling Point: 244 °C.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 甲基萘