甲基萘

Name: 甲基萘
Brand: 济南圣和化工有限公司

CAS 1321-94-4C11H10MW 142.20

甲基萘，CAS 登记号 1321-94-4，由济南圣和化工有限公司现货供应，可提供纯度按批次COA提供(不公开发布) 的规格，下游主要用于有机化学品。支持样品与小批量试用，批量价格请联系我们获取，验收以批次 COA 为准。

规格参数

CAS号1321-94-4

分子式C11H10

分子量142.20

熔点-8 °F (NTP, 1992)

沸点450 to 590 °F at 760 mmHg (NTP, 1992)

LogP3.9

纯度按批次COA提供(不公开发布)

包装按订单/批次确认(不公开发布)

应用领域有机化学品

类别有机化学品

用途与场景

有机化学品

包装与供货

包装规格按订单/批次确认(不公开发布)

纯度规格按批次COA提供(不公开发布)

储存条件密封、阴凉干燥处保存

供货周期现货/按订单安排

文件与支持

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常见问题

在哪里能查到甲基萘的 CAS 号？

本页已列出甲基萘的 CAS 号：1321-94-4，可与随货 COA 核对。

可以提供哪些规格和包装？

常见纯度为按批次COA提供(不公开发布)，包装形式为按订单/批次确认(不公开发布)，特殊规格可在询价时说明。

甲基萘一般用在什么产品里？

主要涉及有机化学品。

下单流程是怎样的？

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PubChem 公开数据

Description

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.

Identification

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

Computed Descriptors

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
Formal Charge	0

Physical & Chemical Properties

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

Physical description & handling notes

Methylnaphthalene appears as bluish-brown oil or a clear yellow liquid. Coal tar or mothball odor. (NTP, 1992)
1-methylnaphthalene is a colorless liquid. Freezing point -22 °C (7.6 °F). Boiling point 240-243 °C (464-469 °F). Flash point 82 °C (180 °F). Denser than water. Derived from coal tar and used in organic synthesis.
Liquid
Colorless liquid (oil); [CHRIS]
Yellow or bluish-brown liquid; [CAMEO] Bluish-brown oil; [MSDSonline]
COLOURLESS LIQUID.

Regulatory Status

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 Hazard Classification

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]

Documented Uses

Used as a solvent and to make surfactants, insecticides, and other chemicals; [HSDB] Used to make dyes, resins, and other organic chemicals; [ACGIH]
Chem int for methylnaphthalenesulfonate surfactants, naphthalenecarboxylic acids
Chem int in prepn of n-((dichlorofluoromethyl)thio)phthalimide insecticide.
For more Uses (Complete) data for METHYLNAPHTHALENE (6 total), please visit the HSDB record page.
... Used as a test substance for the determination of the cetane number of diesel fuels.
For more Uses (Complete) data for 1-METHYLNAPHTHALENE (9 total), please visit the HSDB record page.

Synonyms

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

Frequently Asked Questions

What are the CAS number and molecular formula of Methylnaphthalene?

CAS 1321-94-4; molecular formula C11H10; molecular weight — g/mol.

What other names is Methylnaphthalene known by?

1-METHYLNAPHTHALENE, 90-12-0, alpha-Methylnaphthalene, Naphthalene, 1-methyl-, 1-methyl-naphthalene, FEMA No. 3193.

What is the regulatory status of Methylnaphthalene?

Documented regulatory listings: EU Flavoring substances; FDA Substance added to food: FLAVORING AGENT OR ADJUVANT; Flavoring Agents.

Is Methylnaphthalene classified as hazardous?

2.7% of GHS notifications report no hazard classification (50 of 1882).

What are the key physical properties of Methylnaphthalene?

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.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.

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