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 登记号 142-30-3，由济南圣和化工有限公司现货供应，可提供纯度按批次COA提供(不公开发布) 的规格，下游主要用于有机化学品。支持样品与小批量试用，批量价格请联系我们获取，验收以批次 COA 为准。

规格参数

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

LogP0.1

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

用途与场景

有机化学品

包装与供货

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

供货周期现货/按订单安排

文件与支持

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常见问题

在哪里能查到 2,5-二甲基2,5-己二醇的 CAS 号？

本页已列出 2,5-二甲基2,5-己二醇的 CAS 号：142-30-3，可与随货 COA 核对。

可以提供哪些规格和包装？

常见纯度为按批次COA提供(不公开发布)，包装形式为按订单/批次确认(不公开发布)，特殊规格可在询价时说明。

2,5-二甲基2,5-己二醇一般用在什么产品里？

主要涉及有机化学品。

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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.

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