2,4,7,9-Tetramethyl-5-decyne-4,7-diol ethoxylate

CAS 9014-85-1C16H32O4Micro / NanoElectronics

2,4,7,9-Tetramethyl-5-decyne-4,7-diol ethoxylate (CAS: 9014-85-1) is a nonionic surfactant with an average molecular weight of approximately 670-700. It functions effectively as a wetting agent, defoamer, and emulsifier, particularly noted for its utility in emulsion polymerization. With a cloud point of 63 °C and a HLB of 13, it exhibits good solubility in various organic solvents and is employed in diverse material science applications.

Synonyms: 9014-85-1, 2,4,7,9-Tetramethyl-5-decyne-4,7-diol ethoxylate, (CH3)2CHCH2C(CH3)[(-OCH2CH2-)mOH]C≡CC(CH3)[(-OCH2CH2-)nOH]CH2CH(CH3)2

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2,4,7,9-Tetramethyl-5-decyne-4,7-diol ethoxylate (C16H32O4) — chemical structure, CAS 9014-85-1; Materials Science, fine chemical supplied by Tech Serve Solutions

Materials ScienceMicro/NanoElectronicsNonionicNonionic SurfactantsPolymer AdditivesPolymer ScienceSelf-Assembly MaterialsSurfactants

01 /Applications

Emulsion Polymerization

Acts as an effective emulsifier, facilitating the stable formation of polymer particles in emulsion polymerization processes. Its surfactant properties help control particle size and stability.

Wetting Agent

Reduces the surface tension of liquids, enabling them to spread more easily over surfaces. This property is crucial in applications requiring uniform surface coverage.

Defoamer

Helps to reduce or prevent the formation of foam in industrial processes. This is particularly useful in manufacturing and chemical processing where foam can be problematic.

Materials Science

Utilized in various material science applications due to its self-assembly properties and ability to modify surface characteristics. It finds use in micro/nanoelectronics and related fields.

02 /Properties

Linear formula	(CH3)2CHCH2C(CH3)[(-OCH2CH2-)mOH]C≡CC(CH3)[(-OCH2CH2-)nOH]CH2CH(CH3)2
Boiling point	>121 °C(lit.)
Density	1.04 g/mL at 25 °C
Refractive index	n20/D 1.468
Solubility	carbon tetrachloride, xylene and ethylene glycol: soluble
Application	Surfactant. Reduces surface tension; wetting agent, defoamer, and emulsifier for emulsion polymerization.

03 /Safety & handling

GHS hazard pictogram: Corrosive (GHS05) — Corrosive

GHS hazard pictogram: Harmful / irritant (GHS07) — Harmful / irritant

Danger

Hazard statements

H315Causes skin irritation
H318Causes serious eye damage
H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust, fume, gas or vapours
P280Wear protective gloves, clothing and eye/face protection
P305IF IN EYES

Protective equipment	Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
Flash point	113 °C / 235.4 °F
Water hazard class (WGK, DE)	2
Hazard codes (EU)	Xi
Risk statements (R)	37/38-41
Safety statements (S)	26-36

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

04 /Identifiers & registry

CAS number

9014-85-1

MDL number

MFCD00678776

05 /Additional specifications

Mol Wt	average Mn ~670average Mw ~700
Transition Temp	cloud point 63 °Cpour point 7 °C
Hlb	13
Ph Range	6 - 8

06 /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.

07 /Frequently asked questions

What is 2,4,7,9-Tetramethyl-5-decyne-4,7-diol ethoxylate used for?

This ethoxylate is primarily used as a nonionic surfactant, functioning as a wetting agent, defoamer, and emulsifier, particularly in emulsion polymerization and various material science applications.

What are the CAS number and chemical formula for this compound?

The CAS number is 9014-85-1. The linear formula is (CH3)2CHCH2C(CH3)[(-OCH2CH2-)mOH]C≡CC(CH3)[(-OCH2CH2-)nOH]CH2CH(CH3)2.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies this product with an average Mn of ~670 and Mw of ~700. This is a technical/research grade material, and TSS does not represent it as USP, BP, or EP grade.

What are the primary safety concerns when handling this chemical?

This compound can cause skin irritation (H315), serious eye damage (H318), and may cause respiratory irritation (H335). Always use appropriate personal protective equipment, including eyeshields and gloves, and ensure adequate ventilation.

How is this product typically packed, shipped, and exported by TSS?

Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, carefully packing and shipping products to meet international standards and customer requirements.

How can I request a sample or a quote for 2,4,7,9-Tetramethyl-5-decyne-4,7-diol ethoxylate?

To request a sample or a quote, please contact the Tech Serve Solutions sales team directly through our website or by phone, providing the product name and CAS number.