2,5-二甲基2,5-己二醇

Name: 2,5-二甲基2,5-己二醇
Brand: 济南圣和化工有限公司

CAS 142-30-3C8H14O2MW 142.20

2,5-二甲基2,5-己二醇（CAS 142-30-3）属有机化学品类产品，分子式 C8H14O2，分子量 142.20。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	142-30-3
分子式	C8H14O2
分子量	142.20
熔点	95 °C
沸点	205 °C @ 759 MM HG
LogP	0.1
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

供货能力：2,5-二甲基2,5-己二醇备有现货，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 2,5-二甲基2,5-己二醇以外的配套原料，也欢迎一并列出需求清单。

常见问题

2,5-二甲基2,5-己二醇的 CAS 号是多少？

2,5-二甲基2,5-己二醇的 CAS 号为 142-30-3。

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。

2,5-二甲基2,5-己二醇有什么用途？

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

2,5-dimethyl 2,5-hexynediol · CAS 142-30-3 · C8H14O2. UNII 22RR53U71W. Boiling Point: 205 °C @ 759 MM HG; Melting Point: 95 °C; Density: 0.949 @ 20 °C/20 °C.

Identification

CAS Registry Number	142-30-3
PubChem CID	8883
Molecular formula	C8H14O2
IUPAC name	2,5-dimethylhex-3-yne-2,5-diol
UNII (FDA)	22RR53U71W

Computed Descriptors

Molecular Weight	142.20
XLogP3	0.1
Hydrogen Bond Donor Count	2
Hydrogen Bond Acceptor Count	2
Rotatable Bond Count	2
Exact Mass	142.099379685
Monoisotopic Mass	142.099379685
Topological Polar Surface Area	40.5
Heavy Atom Count	10
Formal Charge	0

Physical & Chemical Properties

Boiling Point	205 °C @ 759 MM HG
Melting Point	95 °C
Density	0.949 @ 20 °C/20 °C
Vapor Pressure	0.00981 [mmHg]

Physical description & handling notes

Large Crystals
White solid; [HSDB] Tan or off-white crystalline solid; [MSDSonline]
WHITE CRYSTALS
SOL IN WATER; VERY SOL IN ALCOHOL, ETHER, ACETONE; VERY SOL IN BENZENE; SOL IN CHLOROFORM
SLIGHTLY SOL IN CARBON TETRACHLORIDE, NAPHTHA; VERY SOL IN ETHYL ACETATE

GHS Hazard Classification

Reported hazard statements	H317 (39.4%), H319 (61.1%), H334 (24%)

H317 (39.4%): May cause an allergic skin reaction [Warning Sensitization, Skin]

H319 (61.1%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]

Documented Uses

Used as a wire-drawing lubricant, antifoaming agent, coupling agent in resin coatings, and a chemical intermediate for fragrances and peroxide catalysts; [HSDB]
Painting (Pigments, Binders, and Biocides) [Category: Paint]
WIRE-DRAWING LUBRICANT; ANTIFOAMING AGENT; COUPLING AGENT IN RESIN COATINGS; CHEMICAL INTERMEDIATE
CHEM INT FOR FRAGRANCES & PEROXIDE CATALYSTS
SURFACE-ACTIVE AGENT & METAL TREATING CHEM-POSSIBLE USES
REACTION OF ACETONE WITH ACETYLENE IN THE PRESENCE OF POTASSIUM HYDROXIDE

Synonyms

2,5-DIMETHYL-3-HEXYNE-2,5-DIOL; 142-30-3; 3-Hexyne-2,5-diol, 2,5-dimethyl-; Dimethylhexynediol; Kemitracin-50; Tetramethylbutynediol; Olfine Y; Acetylenepinacol; Tetramethyl-2-butynediol; 2,5-Dimethylhexyne-2,5-diol; NSC 117261; DTXSID2027096; HSDB 5639; EINECS 205-533-4; 2,5-DIHYDROXY-2,5-DIMETHYL-3-HEXYNE; NSC-117261

Frequently Asked Questions

What are the CAS number and molecular formula of 2,5-dimethyl 2,5-hexynediol?

CAS 142-30-3; molecular formula C8H14O2; molecular weight — g/mol.

What other names is 2,5-dimethyl 2,5-hexynediol known by?

2,5-DIMETHYL-3-HEXYNE-2,5-DIOL, 142-30-3, 3-Hexyne-2,5-diol, 2,5-dimethyl-, Dimethylhexynediol, Kemitracin-50, Tetramethylbutynediol.

Is 2,5-dimethyl 2,5-hexynediol classified as hazardous?

Hazard statements reported: H317, H319, H334.

What are the key physical properties of 2,5-dimethyl 2,5-hexynediol?

Boiling Point: 205 °C @ 759 MM HG; Melting Point: 95 °C; Density: 0.949 @ 20 °C/20 °C; Vapor Pressure: 0.00981 [mmHg].

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.