对氯苯甲酸

Name: 对氯苯甲酸
Brand: 济南圣和化工有限公司

CAS 74-11-3C7H5ClO2MW 156.56

本页收录对氯苯甲酸，CAS 登记号为 74-11-3，分子式 C7H5ClO2，分子量 156.56，归类于精细化学品。作为主营产品之一，济南圣和化工有限公司可提供从公斤级到吨级的稳定供货，随货附 COA 与质检资料。

产品概览

CAS号	74-11-3
分子式	C7H5ClO2
分子量	156.56
熔点	469 °F (NTP, 1992)
LogP	2.65
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	精细化学品；医药中间体
类别	精细化学品\|医药中间体

应用领域

精细化学品；医药中间体

在下游生产中，精细化学品是对氯苯甲酸最主要的应用场景；此外它还用于医药中间体。若您有特定工艺要求，可在询价时注明用途，我们会推荐匹配的纯度等级。

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

供货能力：对氯苯甲酸备有现货，包装形式为按订单/批次确认(不公开发布)。我们支持对公转账并开具增值税发票，山东省内可安排快速配送，省外按物流时效发货，具体请联系 info@591daili.com。

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。如需对氯苯甲酸以外的配套原料，也欢迎一并列出需求清单。

常见问题

对氯苯甲酸的 CAS 号是多少？

对氯苯甲酸的 CAS 号为 74-11-3。

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。

对氯苯甲酸有什么用途？

主要应用于精细化学品；医药中间体。

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

p-Chlorobenzoic Acid · CAS 74-11-3 · C7H5ClO2. UNII IC7888DF4L. Melting Point: 469 °F (NTP, 1992); Melting Point: 243; Melting Point: 243 °C.

Identification

CAS Registry Number	74-11-3
PubChem CID	6318
Molecular formula	C7H5ClO2
IUPAC name	4-chlorobenzoic acid
UNII (FDA)	IC7888DF4L

Computed Descriptors

Molecular Weight	156.56
XLogP3	2.7
Hydrogen Bond Donor Count	1
Hydrogen Bond Acceptor Count	2
Rotatable Bond Count	1
Exact Mass	155.9978071
Monoisotopic Mass	155.9978071
Topological Polar Surface Area	37.3
Heavy Atom Count	10
Formal Charge	0

Physical & Chemical Properties

Melting Point	469 °F (NTP, 1992)
Melting Point	243
Melting Point	243 °C
Flash Point	238 °C
Flash Point	238 °C (460 °F) (Closed cup)
Solubility	72
Solubility	In water, 77 mg/L at 25 °C
Density	1.5 g/cm³
Vapor Pressure	0.00233 [mmHg]
LogP	2.65

Physical description & handling notes

Triclinic crystals or light fluffy white powder. (NTP, 1992)
White odorless solid; [ICSC] Off-white or white powder; [MSDSonline]
ODOURLESS WHITE SOLID IN VARIOUS FORMS.
Triclinic prisms from alcohol and ether
Sublimes (NTP, 1992)
MP: 44 °C /p-Chlorobenzoic acid, methyl ester/

Regulatory Status

GHS notification summary	26.4% (37 / 140)

GHS Hazard Classification

GHS notification summary	26.4% (37 / 140)
Reported hazard statements	H301 (20.7%), H302 (52.9%), H315 (49.3%), H319 (64.3%), H335 (42.9%), H411 (20.7%)

This chemical does not meet GHS hazard criteria for 26.4% (37 of 140) of reports.

H301 (20.7%): Toxic if swallowed [Danger Acute toxicity, oral]

Documented Uses

Used as an intermediate (dyes, fungicides, and pharmaceuticals) and preservative (adhesives and paints); [HSDB]
Painting (Pigments, Binders, and Biocides) [Category: Paint]
Working with Glues and Adhesives [Category: Other]
CHEM INT FOR IODAMIDE (MEDICAL RADIOPAQUE)
Laboratory reagent, manufacture of chemicals
For more Uses (Complete) data for P-CHLOROBENZOIC ACID (6 total), please visit the HSDB record page.

Synonyms

4-Chlorobenzoic acid; 74-11-3; P-CHLOROBENZOIC ACID; Benzoic acid, 4-chloro-; Chlorodracylic acid; p-Chlorbenzoic acid; para-Chlorobenzoic acid; Benzoic acid, p-chloro-; 4-CHLORO-BENZOIC ACID; p-Carboxychlorobenzene; Acido p-clorobenzoico; DTXSID9024772; IC7888DF4L; NSC-32738; DTXCID704772; CHEBI:30747

Frequently Asked Questions

What are the CAS number and molecular formula of p-Chlorobenzoic Acid?

CAS 74-11-3; molecular formula C7H5ClO2; molecular weight — g/mol.

What other names is p-Chlorobenzoic Acid known by?

4-Chlorobenzoic acid, 74-11-3, P-CHLOROBENZOIC ACID, Benzoic acid, 4-chloro-, Chlorodracylic acid, p-Chlorbenzoic acid.

Is p-Chlorobenzoic Acid classified as hazardous?

26.4% of GHS notifications report no hazard classification (37 of 140).

What are the key physical properties of p-Chlorobenzoic Acid?

Melting Point: 469 °F (NTP, 1992); Melting Point: 243; Melting Point: 243 °C; Flash Point: 238 °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.