4-羟基-3-甲氧基苯甲酸

Name: 4-羟基-3-甲氧基苯甲酸
Brand: 济南圣和化工有限公司

CAS 121-34-6C8H8O4MW 168.15

本页收录 4-羟基-3-甲氧基苯甲酸，CAS 登记号为 121-34-6，分子式 C8H8O4，分子量 168.15，归类于有机化学品。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	121-34-6
分子式	C8H8O4
分子量	168.15
熔点	211.5
LogP	1.43
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

该产品的下游应用集中在有机化学品。不同客户工艺差异较大，我们支持按需提供样品与小批量试用。

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：4-羟基-3-甲氧基苯甲酸常规包装为按订单/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 4-羟基-3-甲氧基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

4-羟基-3-甲氧基苯甲酸的 CAS 号是多少？

4-羟基-3-甲氧基苯甲酸的 CAS 号为 121-34-6。

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。

4-羟基-3-甲氧基苯甲酸有什么用途？

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

4-Hydroxy-3-methoxybenzoic acid · CAS 121-34-6 · C8H8O4. UNII GM8Q3JM2Y8. Melting Point: 211.5; Melting Point: 211.5 °C; Solubility: 1500.

Identification

CAS Registry Number	121-34-6
PubChem CID	8468
Molecular formula	C8H8O4
IUPAC name	4-hydroxy-3-methoxybenzoic acid
UNII (FDA)	GM8Q3JM2Y8
FEMA number	3988
JECFA number	959

Computed Descriptors

Molecular Weight	168.15
XLogP3	1.4
Hydrogen Bond Donor Count	2
Hydrogen Bond Acceptor Count	4
Rotatable Bond Count	2
Exact Mass	168.04225873
Monoisotopic Mass	168.04225873
Topological Polar Surface Area	66.8
Heavy Atom Count	12
Formal Charge	0

Physical & Chemical Properties

Melting Point	211.5
Melting Point	211.5 °C
Solubility	1500
Solubility	1.5 mg/mL at 14 °C
Vapor Pressure	0.0000171 [mmHg]
LogP	1.43
LogP	1.46
Dissociation Constants	4.51 (at 25 °C)

Physical description & handling notes

White odorless solid; [Merck Index] White to beige powder; [Acros Organics MSDS]
Solid
White to beige powder or needle; vanilla like odour
slightly soluble in water; soluble in organic solvents
soluble (in ethanol)
136.2 Å² [M+H]+ [CCS Type: DT; Method: single field calibrated with Agilent tune mix (Agilent)]

Regulatory Status

Regulatory & Food Contact	EU Flavoring substances FDA Substance added to food: FLAVORING AGENT OR ADJUVANT Flavoring Agents FLAVOURING_AGENT: Flavouring Agent Astringent, Vanilla No safety concern at current levels of intake when used as a flavouring agent
GHS notification summary	72.4% (97 / 134)

GHS Hazard Classification

GHS notification summary	72.4% (97 / 134)
Reported hazard statements	H315 (27.6%), H319 (27.6%), H335 (26.9%)

This chemical does not meet GHS hazard criteria for 72.4% (97 of 134) of all reports.

H315 (27.6%): Causes skin irritation [Warning Skin corrosion/irritation]

Documented Uses

Used as flavoring agent or adjuvant; [FDA]
Flavouring Agent -> FLAVOURING_AGENT -> JECFA Functional Classes
Flavoring Agents -> JECFA Flavorings Index
Benzoic acid, 4-hydroxy-3-methoxy-: ACTIVE

Synonyms

Vanillic acid; 4-HYDROXY-3-METHOXYBENZOIC ACID; 121-34-6; Acide vanillique; Benzoic acid, 4-hydroxy-3-methoxy-; 3-Methoxy-4-hydroxybenzoic acid; GM8Q3JM2Y8; DTXSID6059522; Acid, 4-Hydroxy-3-methoxybenzoic; NSC-3987; NSC-674322; DTXCID1033668; FEMA NO. 3988; CHEBI:30816; Acid, Vanillic; 4 Hydroxy 3 methoxybenzoic Acid

Frequently Asked Questions

What are the CAS number and molecular formula of 4-Hydroxy-3-methoxybenzoic acid?

CAS 121-34-6; molecular formula C8H8O4; molecular weight — g/mol.

What other names is 4-Hydroxy-3-methoxybenzoic acid known by?

Vanillic acid, 4-HYDROXY-3-METHOXYBENZOIC ACID, 121-34-6, Acide vanillique, Benzoic acid, 4-hydroxy-3-methoxy-, 3-Methoxy-4-hydroxybenzoic acid.

What is the regulatory status of 4-Hydroxy-3-methoxybenzoic acid?

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

Is 4-Hydroxy-3-methoxybenzoic acid classified as hazardous?

72.4% of GHS notifications report no hazard classification (97 of 134).

What are the key physical properties of 4-Hydroxy-3-methoxybenzoic acid?

Melting Point: 211.5; Melting Point: 211.5 °C; Solubility: 1500; Solubility: 1.5 mg/mL at 14 °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.