2,5-Dimethyl-3-hexyne-2,5-diol

CAS 142-30-3HOC(CH3)2C≡CC(CH3)2OHPolymer Science

2,5-Dimethyl-3-hexyne-2,5-diol (CAS: 142-30-3) is a tertiary acetylenic diol with the linear formula HOC(CH3)2C≡CC(CH3)2OH and a molecular weight of 142.20 g/mol. This compound serves as a versatile intermediate in organic synthesis. It is recognised for its utility in materials science, particularly as a component in polymer additives and in polymer science, owing to its surfactant properties as a nonionic surfactant.

Synonyms: 142-30-3HOC(CH3)2C&#8801CC(CH3)2OH

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2,5-Dimethyl-3-hexyne-2,5-diol (HOC(CH3)2C≡CC(CH3)2OH) — chemical structure, CAS 142-30-3; Materials Science, fine chemical supplied by Tech Serve Solutions

Materials ScienceNonionicPolymer AdditivesPolymer ScienceSurfactants

01 /Applications

Organic Synthesis Intermediate

This diol functions as a building block in the synthesis of more complex organic molecules. Its unique structure, featuring a triple bond flanked by tertiary alcohol groups, allows for diverse chemical transformations.

Polymer Additives

As a nonionic surfactant, it can be incorporated into polymer formulations to modify surface properties or improve compatibility between different components. Its application in polymer science aids in tailoring material characteristics.

Materials Science

The compound finds application in materials science, potentially contributing to the development of novel materials. Its chemical structure suggests utility in areas requiring specific surface activity or reactive functional groups.

02 /Properties

Molecular weight	142.20
Linear formula	HOC(CH3)2C≡CC(CH3)2OH
Assay	98%
Boiling point	121-123 °C/7 mmHg(lit.)
Melting point	90-94 °C(lit.)

03 /Safety & handling

GHS hazard pictogram: Health hazard (GHS08) — Health hazard

Danger

Hazard statements

H317May cause an allergic skin reaction
H334May cause allergy or asthma symptoms if inhaled

Precautionary statements

P261Avoid breathing dust, fume, gas or vapours
P280Wear protective gloves, clothing and eye/face protection
P342

Protective equipment	dust mask type N95 (US), Eyeshields, Faceshields, Gloves
Water hazard class (WGK, DE)	3
Hazard codes (EU)	Xn
Risk statements (R)	42/43
Safety statements (S)	7-36

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry

CAS number

142-30-3

MDL number

MFCD00004468

PubChem substance

24853345

05 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

06 /Frequently asked questions

What is 2,5-Dimethyl-3-hexyne-2,5-diol used for?

2,5-Dimethyl-3-hexyne-2,5-diol is used as an intermediate in organic synthesis, a component in polymer additives, and finds applications in materials science as a nonionic surfactant.

What are the CAS number and formula for 2,5-Dimethyl-3-hexyne-2,5-diol?

The CAS number is 142-30-3, and the linear formula is HOC(CH3)2C≡CC(CH3)2OH.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies 2,5-Dimethyl-3-hexyne-2,5-diol with an assay of 98%. This is a technical grade product, and TSS does not represent it as USP, BP, or EP.

What are the safety and handling considerations for this chemical?

This compound may cause an allergic skin reaction (H317) and respiratory irritation (H334). Handle with appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, face shields, and gloves. Ensure adequate ventilation and avoid breathing dust/fume/gas/mist/vapours/spray.

How is 2,5-Dimethyl-3-hexyne-2,5-diol packed, shipped, and exported?

Tech Serve Solutions expertly handles the packing, shipping, and global export of 2,5-Dimethyl-3-hexyne-2,5-diol, adhering to all relevant regulations for chemical transport.