N,N-二甲基-2,2-二苯基乙酰胺

Name: N,N-二甲基-2,2-二苯基乙酰胺
Brand: 济南圣和化工有限公司

CAS 957-51-7C16H17NOMW 239.31

济南圣和化工主营供应 N,N-二甲基-2,2-二苯基乙酰胺（CAS 957-51-7），归类于有机化学品，分子式 C16H17NO，分子量 239.31。我们面向国内化工贸易与生产企业提供稳定的现货供应，报价响应快，支持对公转账并可开具增值税发票。

产品概览

CAS号	957-51-7
分子式	C16H17NO
分子量	239.31
熔点	134.5 TO 135.5 °C
LogP	Log P: 2.17
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

应用领域

有机化学品

N,N-二甲基-2,2-二苯基乙酰胺主要应用于有机化学品。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,N-二甲基-2,2-二苯基乙酰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

济南圣和化工有限公司位于山东济南，主营化工原料供应，精选产品 3,000+ 种，覆盖有机化学品、无机化学品、食品添加剂、医药中间体等 12 大分类。我们随货提供 COA 分析证书，一个工作日内回复报价，欢迎国内外采购方长期合作。

常见问题

N,N-二甲基-2,2-二苯基乙酰胺的 CAS 号是多少？

N,N-二甲基-2,2-二苯基乙酰胺的 CAS 号为 957-51-7。

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,N-二甲基-2,2-二苯基乙酰胺有什么用途？

主要应用于有机化学品。

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-dimethyl-2,2-diphenylacetamide · CAS 957-51-7 · C16H17NO. UNII 6Z3R6EGA2B. Melting Point: 134.5 TO 135.5 °C; Melting Point: 135 °C; Density: 1.17 @ 23.3 °C.

Identification

CAS Registry Number	957-51-7
PubChem CID	13728
Molecular formula	C16H17NO
IUPAC name	N,N-dimethyl-2,2-diphenylacetamide
UNII (FDA)	6Z3R6EGA2B

Computed Descriptors

Molecular Weight	239.31
XLogP3	3
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	1
Rotatable Bond Count	3
Exact Mass	239.131014166
Monoisotopic Mass	239.131014166
Topological Polar Surface Area	20.3
Heavy Atom Count	18
Formal Charge	0

Physical & Chemical Properties

Melting Point	134.5 TO 135.5 °C
Melting Point	135 °C
Density	1.17 @ 23.3 °C
Density	1.2 g/cm³
Vapor Pressure	0.00000003 [mmHg]
Vapor Pressure	3.00X10-8 mm Hg @ 25 °C
LogP	Log P: 2.17
LogP	2.17

Physical description & handling notes

Diphenamid appears as colorless to off-white crystals. Used as an herbicide.
White solid; [Hawley] Colorless or white solid; Technical product: Off-white solid; [HSDB]
WHITE SOLID IN VARIOUS FORMS.
WHITE
CRYSTALS FROM ETHYL ACETATE
WHITE PRISMS

GHS Hazard Classification

Reported hazard statements	H302, H412

H302: Harmful if swallowed [Warning Acute toxicity, oral]

H412: Harmful to aquatic life with long lasting effects [Hazardous to the aquatic environment, long-term hazard]

Documented Uses

Used as pre-emergence herbicide for control of annual grasses and broad-leaved weeds in cotton, potatoes, vegetables, soy beans, tobacco, fruits, forestry nurseries, and ornamentals; Also used as plant growth regulator; Discontinued in 1988 by NOR-AM Chemical Co.; [HSDB]
HERBICIDE FOR CONTROL OF ANNUAL BROADLEAF WEEDS & ANNUAL GRASSES.
SELECTIVE PREEMERGENCE HERBICIDE THAT CONTROLS GRASSES & BROADLEAF WEEDS SUCH AS CARPETWEED, CHICKWEED, KNOTWEED, LAMBSQUARTERS, PIGWEED, PURSLANE, & SMARTWEED.
Control of annual grasses and some broad-leaved weeds in cotton, potatoes, sweetpotatoes, tomatoes, vegetables, capsicums, okra, soya beans, groundnuts, tobacco, pome fruit, stone fruit, citrus fruit, bush fruit, strawberries, forestry nurseries, and ornamental plants, shrubs, and trees.
REACTION OF DIPHENYL ACETYL CHLORIDE WITH DIMETHYLAMINE IN THE PRESENCE OF A BASE
... BY REACTION OF DIPHENYLMETHANE & DIMETHYLCARBAMOYL CHLORIDE IN PRESENCE OF SODIUM HYDRIDE ... .

Synonyms

DIPHENAMID; 957-51-7; N,N-Dimethyl-2,2-diphenylacetamide; Dimid; Dymid; Enide; Fenam; Diherbid; Rideon; Zarur; Enide 50W; Enide 50; Dif 4; Difenamid; Lilly 34,314; N,N-Dimethyldiphenylacetamide

Frequently Asked Questions

What are the CAS number and molecular formula of N,N-dimethyl-2,2-diphenylacetamide?

CAS 957-51-7; molecular formula C16H17NO; molecular weight — g/mol.

What other names is N,N-dimethyl-2,2-diphenylacetamide known by?

DIPHENAMID, 957-51-7, N,N-Dimethyl-2,2-diphenylacetamide, Dimid, Dymid, Enide.

Is N,N-dimethyl-2,2-diphenylacetamide classified as hazardous?

Hazard statements reported: H302, H412.

What are the key physical properties of N,N-dimethyl-2,2-diphenylacetamide?

Melting Point: 134.5 TO 135.5 °C; Melting Point: 135 °C; Density: 1.17 @ 23.3 °C; Density: 1.2 g/cm³.

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.