N-正十八烷基二甲胺

Name: N-正十八烷基二甲胺
Brand: 济南圣和化工有限公司

CAS 124-28-7C20H43NMW 297.6主营产品

济南圣和化工有限公司现供应主营产品——N-正十八烷基二甲胺（CAS 124-28-7），分子式 C20H43N，分子量 297.6。本页理化参数仅供参考，实际常规纯度按批次COA提供(不公开发布)，以批次 COA 及订单确认为准，支持批量采购与长期供货协议。

产品概览

CAS号	124-28-7
分子式	C20H43N
分子量	297.6
熔点	FREEZING POINT: 22.89 °C
LogP	9.1
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	表面活性剂
类别	主营产品\|表面活性剂

应用领域

表面活性剂

N-正十八烷基二甲胺主要应用于表面活性剂。具体使用工况下的添加量与规格要求，欢迎与技术团队沟通确认。

包装与储存

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

运输常规化工运输

样品可协商提供

交期现货/按订单安排

供应说明：N-正十八烷基二甲胺常规包装为按订单/批次确认(不公开发布)，储存时应密封置于阴凉干燥处，避免与氧化剂混放。济南圣和化工有限公司支持国内物流发货，大货交期与运费以订单确认为准。

质量与文件

每批产品随货提供 COA（分析证书）；可按需提供 MSDS/技术数据表及第三方检测报告。纯度与包装以批次 COA 及订单确认为准。

关于供应商

选择济南圣和化工有限公司的理由：产品信息透明（含 CAS、分子式、理化参数）、报价响应快（一个工作日内）、单证齐全（COA/MSS/质检资料按需提供）、支持批量与长期协议供货。如需 N-正十八烷基二甲胺以外的配套原料，也欢迎一并列出需求清单。

常见问题

N-正十八烷基二甲胺的 CAS 号是多少？

N-正十八烷基二甲胺的 CAS 号为 124-28-7。

该产品的纯度和包装规格是什么？

常规纯度规格为按批次COA提供(不公开发布)，包装为按订单/批次确认(不公开发布)，随货提供 COA。

N-正十八烷基二甲胺有什么用途？

主要应用于表面活性剂。

如何购买或获取报价？

请发送邮件至 info@591daili.com 或通过 WhatsApp 联系，注明产品名称、CAS 号与需求数量，一个工作日内回复报价。供应商：济南圣和化工有限公司。

PubChem 公开数据

Description

N-n-Octadecyldimethylamine · CAS 124-28-7 · C20H43N. UNII 066975NG22. Melting Point: FREEZING POINT: 22.89 °C.

Identification

CAS Registry Number	124-28-7
PubChem CID	15365
Molecular formula	C20H43N
IUPAC name	N,N-dimethyloctadecan-1-amine
UNII (FDA)	066975NG22

Computed Descriptors

Molecular Weight	297.6
XLogP3	9.1
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	1
Rotatable Bond Count	17
Exact Mass	297.339550376
Monoisotopic Mass	297.339550376
Topological Polar Surface Area	3.2
Heavy Atom Count	21
Formal Charge	0

Physical & Chemical Properties

Melting Point	FREEZING POINT: 22.89 °C

Physical description & handling notes

N,n-dimethyl-1-octadecanamine appears as a clear yellow liquid with a fishlike odor. Insoluble in water and less dense than water. Hence floats on water. Contact may irritate skin, eyes and mucous membranes. May be toxic by ingestion, inhalation or skin absorption. Used to make other chemicals.
CBI; Liquid; Liquid; Other Solid
mp = 22.89 deg C; [ChemIDplus] Clear yellow liquid with a fishy odor; [CAMEO] Colorless to yellow liquid; Clear or slightly cloudy with a fishy odor; [MSDSonline]
GS 1339, THELMESAN. /HYDROCHLORIDE/

Regulatory Status

Regulatory & Food Contact	CIR / INCI: Cosmetic ingredients (Dimethyl Stearamine) -> CIR (Cosmetic Ingredient Review) CIR / INCI: Hair conditioning; Emulsifying; Antistatic CIR / INCI: Personal care product -> emollient -> DIMLA: dimethyl lauryl amine

GHS Hazard Classification

Reported hazard statements	H226 (53.9%), H302 (96.9%), H314 (100%), H318 (85%), H400 (95%), H410 (28.6%), H319, H336

H226 (53.9%): Flammable liquid and vapor [Warning Flammable liquids]

H302 (96.9%): Harmful if swallowed [Warning Acute toxicity, oral]

Documented Uses

CIR ingredient: Dimethyl Stearamine
Used as chemical intermediate and corrosion inhibitor for condensing systems; [HSDB]
CHEM INT FOR N,N-DIMETHYL-N-OCTADECYLAMINE OXIDE-AS MIXT
CHEM INT FOR BENZYL DIMETHYL OCTADECYL AMMONIUM CHLORIDE
FILMING AMINE CORROSION INHIBITOR FOR CONDENSING SYSTEMS
ANTHELMINTIC AGENT (HYDROCHLORIDE SALT)

Synonyms

124-28-7; Dymanthine; N,N-Dimethyloctadecylamine; N,N-Dimethyl-n-octadecylamine; Dimethyloctadecylamine; N,N-Dimethyl-1-octadecanamine; 1-Octadecanamine, N,N-dimethyl-; Octadecyldimethylamine; Stearyldimethylamine; Octadecylamine, N,N-dimethyl-; N,N-Dimethylstearylamine; Dimantina; N,N-Dimethyloctadecanamine; Kemamine 9902D; Armeen DM 18D; Farmin DM 80

Frequently Asked Questions

What are the CAS number and molecular formula of N-n-Octadecyldimethylamine?

CAS 124-28-7; molecular formula C20H43N; molecular weight — g/mol.

What other names is N-n-Octadecyldimethylamine known by?

124-28-7, Dymanthine, N,N-Dimethyloctadecylamine, N,N-Dimethyl-n-octadecylamine, Dimethyloctadecylamine, N,N-Dimethyl-1-octadecanamine.

What is the regulatory status of N-n-Octadecyldimethylamine?

Documented regulatory listings: CIR / INCI: Cosmetic ingredients (Dimethyl Stearamine) -> CIR (Cosmetic Ingredient Review); CIR / INCI: Hair conditioning; Emulsifying; Antistatic; CIR / INCI: Personal care product -> emollient -> DIMLA: dimethyl lauryl amine.

Is N-n-Octadecyldimethylamine classified as hazardous?

Hazard statements reported: H226, H302, H314, H318, H400.

What are the key physical properties of N-n-Octadecyldimethylamine?

Melting Point: FREEZING POINT: 22.89 °C.

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.