2-氯苯甲酸

Name: 2-氯苯甲酸
Brand: 济南圣和化工有限公司

CAS 118-91-2C7H5ClO2MW 156.56

2-氯苯甲酸（CAS 118-91-2）属有机化学品类产品，分子式 C7H5ClO2，分子量 156.56。济南圣和化工有限公司常年现货供应该产品，常规纯度按批次COA提供(不公开发布)，可按客户需求安排分装包装，欢迎邮件或来电询价。

产品概览

CAS号	118-91-2
分子式	C7H5ClO2
分子量	156.56
熔点	288 °F (NTP, 1992)
LogP	log Kow= 2.05
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

2-氯苯甲酸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

采购提示：本产品按按订单/批次确认(不公开发布)起订发货，收到货物后请先核对包装完好性再行入库。储存条件为阴凉干燥、密封保存；如需 MSDS 或运输说明，可在询价时一并索取。

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

作为化工原料供应服务商，济南圣和化工有限公司长期服务于化工贸易、食品添加、医药中间体、日化原料等行业的采购需求。除 2-氯苯甲酸外，您还可以在站内按 CAS 号或产品分类检索更多品类，获取规格与报价。

常见问题

2-氯苯甲酸的 CAS 号是多少？

2-氯苯甲酸的 CAS 号为 118-91-2。

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。

2-氯苯甲酸有什么用途？

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

2-Chlorobenzoic acid · CAS 118-91-2 · C7H5ClO2. UNII 8P0867193V. Melting Point: 288 °F (NTP, 1992); Melting Point: 142 °C; Solubility: 2087 mg/l at 25 °C in water.

Identification

CAS Registry Number	118-91-2
PubChem CID	8374
Molecular formula	C7H5ClO2
IUPAC name	2-chlorobenzoic acid
UNII (FDA)	8P0867193V

Computed Descriptors

Molecular Weight	156.56
XLogP3	2.1
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	288 °F (NTP, 1992)
Melting Point	142 °C
Solubility	2087 mg/l at 25 °C in water
Density	1.544 AT 20 °C/4 °C
Vapor Pressure	0.00066 [mmHg]
LogP	log Kow= 2.05
LogP	2.21
Dissociation Constants	PKA 2.89

Physical description & handling notes

Crystals or fine fluffy white powder. (NTP, 1992)
Solid; [Merck Index] White powder; [MSDSonline]
MONOCLINIC PRISMS FROM WATER
Sublimes (NTP, 1992)
less than 1 mg/mL at 68 °F (NTP, 1992)
SOL IN 900 PARTS COLD WATER; MORE SOL IN HOT WATER; FREELY SOL IN ALCOHOL, ETHER.

GHS Hazard Classification

Reported hazard statements	H302 (17.1%), H315 (59.9%), H319 (82.9%), H335 (53.2%), H312 (100%), H314 (100%), H317 (100%), H332 (100%)

H302 (17.1%): Harmful if swallowed [Warning Acute toxicity, oral]

H315 (59.9%): Causes skin irritation [Warning Skin corrosion/irritation]

Documented Uses

Used as a preservative (glues and paints) and intermediate (dyes, fungicides, and pharmaceuticals); [HSDB]
Painting (Pigments, Binders, and Biocides) [Category: Paint]
Working with Glues and Adhesives [Category: Other]
PRESERVATIVE FOR GLUES, PAINTS; INTERMEDIATE IN MFR OF FUNGICIDES & DYES
CHEM INT FOR THIOSALICYLIC ACID
CHEM INT FOR THIORIDAZINE (HUMAN TRANQUILIZER)

Synonyms

2-Chlorobenzoic acid; 118-91-2; O-CHLOROBENZOIC ACID; Benzoic acid, 2-chloro-; 2-Cba; Benzoic acid, o-chloro-; Kyselina o-chlorbenzoova; DTXSID4024771; NSC-15042; DTXCID304771; 8P0867193V; CHEBI:30793; R300100; RefChem:855217; 204-285-4; CHLOROBENZOIC ACID

Frequently Asked Questions

What are the CAS number and molecular formula of 2-Chlorobenzoic acid?

CAS 118-91-2; molecular formula C7H5ClO2; molecular weight — g/mol.

What other names is 2-Chlorobenzoic acid known by?

2-Chlorobenzoic acid, 118-91-2, O-CHLOROBENZOIC ACID, Benzoic acid, 2-chloro-, 2-Cba, Benzoic acid, o-chloro-.

Is 2-Chlorobenzoic acid classified as hazardous?

Hazard statements reported: H302, H315, H319, H335, H312.

What are the key physical properties of 2-Chlorobenzoic acid?

Melting Point: 288 °F (NTP, 1992); Melting Point: 142 °C; Solubility: 2087 mg/l at 25 °C in water; Density: 1.544 AT 20 °C/4 °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.