邻苯二甲酸二甲醛

Name: 邻苯二甲酸二甲醛
Brand: 济南圣和化工有限公司

CAS 25750-62-3C8H6O2MW 134.13

本页收录邻苯二甲酸二甲醛，CAS 登记号为 25750-62-3，分子式 C8H6O2，分子量 134.13，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	25750-62-3
分子式	C8H6O2
分子量	134.13
熔点	55.8 °C
沸点	BP: 83 °C at 0.8 mm Hg
LogP	log Kow = 0.51
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

邻苯二甲酸二甲醛在有机化学品领域使用广泛。采购前请确认纯度等级与包装形式，以批次 COA 为验收依据。

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：邻苯二甲酸二甲醛备有现货，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

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 2,000+ 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

邻苯二甲酸二甲醛的 CAS 号是多少？

邻苯二甲酸二甲醛的 CAS 号为 25750-62-3。

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。

邻苯二甲酸二甲醛有什么用途？

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

o-Phthalic dicarboxaldehyde · CAS 25750-62-3 · C8H6O2. UNII 4P8QP9768A. Boiling Point: BP: 83 °C at 0.8 mm Hg; Melting Point: 55.8 °C; Flash Point: 132 °C (270 °F) - closed cup.

Identification

CAS Registry Number	25750-62-3
PubChem CID	4807
Molecular formula	C8H6O2
IUPAC name	phthalaldehyde
UNII (FDA)	4P8QP9768A

Computed Descriptors

Molecular Weight	134.13
XLogP3	1.2
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	2
Rotatable Bond Count	2
Exact Mass	134.036779430
Monoisotopic Mass	134.036779430
Topological Polar Surface Area	34.1
Heavy Atom Count	10
Formal Charge	0

Physical & Chemical Properties

Boiling Point	BP: 83 °C at 0.8 mm Hg
Melting Point	55.8 °C
Flash Point	132 °C (270 °F) - closed cup
Flash Point	132 °C c.c.
Solubility	In water, 5 g/100 mL at 20 °C
Density	Density (at 20 °C): 1.13 g/cm³
Vapor Pressure	0.0052 [mmHg]
Vapor Pressure	0.0052 mm Hg at 21 °C (0.69 Pa)
LogP	log Kow = 0.51
LogP	0.99 (30 °C)

Physical description & handling notes

Pale yellow or colorless solid; [Merck Index] Yellow powder or lumps; [Alfa Aesar MSDS]
YELLOW SOLID IN VARIOUS FORMS WITH CHARACTERISTIC ODOUR.
Long, pale yellow needles from petroleum ether (MP 56-56.5 °C). Also reported as colorless powder (MP: 54 °C)
Yellow needles or crystals from ligroin
Very soluble in ethyl ether, ethanol
Solubility in water, g/100ml at 20 °C: 3.8 (soluble)

GHS Hazard Classification

Reported hazard statements	H228 (44.3%), H301 (97.9%), H314 (74%), H315 (26%), H317 (97.4%), H318 (73.6%), H335 (28.1%), H373 (44.3%)

H228 (44.3%): Flammable solid [Danger Flammable solids]

H301 (97.9%): Toxic if swallowed [Danger Acute toxicity, oral]

Documented Uses

Used as a disinfectant and in the fluorometric determination of primary amines and thiols; [Merck Index] Used to sterilize medical and dental equipment, as an enzyme inhibitor, indicator, chemical intermediate, diagnostic agent, tanning agent for leather, in water treatment, pulp and paper manufacturing, oil field water flooding, hair colorings, wood treatment, and antifouling paints; [NTP]
Petroleum Production and Refining [Category: Industry]
Pulp and Paper Processing [Category: Industry]
Painting (Pigments, Binders, and Biocides) [Category: Paint]
Applying Wood Preservatives [Category: Other]
Using Disinfectants or Biocides [Category: Clean]

Synonyms

o-Phthalaldehyde; 643-79-8; PHTHALALDEHYDE; o-Phthaldialdehyde; 1,2-Benzenedicarboxaldehyde; Phthalic aldehyde; ortho-Phthalaldehyde; benzene-1,2-dicarbaldehyde; Phthalic dialdehyde; Phthalic dicarboxaldehyde; Phthalyldicarboxaldehyde; Phthalaldialdehyde; ortho Phthalaldehyde; o-Phthalicdicarboxaldehyde; 1,2-Diformylbenzene; phtharal

Frequently Asked Questions

What are the CAS number and molecular formula of o-Phthalic dicarboxaldehyde?

CAS 25750-62-3; molecular formula C8H6O2; molecular weight — g/mol.

What other names is o-Phthalic dicarboxaldehyde known by?

o-Phthalaldehyde, 643-79-8, PHTHALALDEHYDE, o-Phthaldialdehyde, 1,2-Benzenedicarboxaldehyde, Phthalic aldehyde.

Is o-Phthalic dicarboxaldehyde classified as hazardous?

Hazard statements reported: H228, H301, H314, H315, H317.

What are the key physical properties of o-Phthalic dicarboxaldehyde?

Boiling Point: BP: 83 °C at 0.8 mm Hg; Melting Point: 55.8 °C; Flash Point: 132 °C (270 °F) - closed cup; Flash Point: 132 °C c.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.