Hexamethyldisiloxane HMDSO

Pruduct Features:

Hexamethyldisiloxane / MM CAS No.: 107-46-0

Molecular formula: C6H18Si2O

Samples: available–1 kilogram

Customized packaging(Min. Order 200 kilograms)

Shipping#leadtime: Sea freight/#10-45 days

Land freight#10-35 days

Air freight#10-15 days

Package: 200L iron drum

Customized materials accepted

Product Detail

Product Tags

Structural Formula


Appearance: colorless transparent liquid

Content: ≥99.0%

Chloride ion content: ≤100PPM

Odor: tasteless or slightly pungent odor

Density ( 25℃, g/cm³ ) : 0.764

Melting point (℃): -59

Boiling point (℃): 99.5-100.5

Refractive index (20℃): 1.3765-1.3785

Flash point: (℃): -1.1

Water solubility: insoluble


Used as head caping agent, cleaning agent, film release agent, and also be used as silazane raw material,silicone rubber, pharmaceuticals, gas chromatography stationary fluids, analytical reagents, water repellents, etc.

Production Process

Trimethylsiyl chloride + purified water

2 Me3SiCl + H2O → 2 HCl + O[Si(CH3)3]2

Production Process

Trimethylsiyl chloride + purified water

2 Me3SiCl + H2O → 2 HCl + O[Si(CH3)3]2

Company ISO certificate

Quality inspection certificate
Enviromental management system certification

Our Services

• Independent Technology Development Ability.

• Custom Products According To Customers Requirements.

• High Quality Service System.

• Price Advantage Of Direct Supply From Direct Manufacturers.


Package Specifications

200L iron drum, net weight 150KG.

1000L IBC Drum: 750KG/Drum.


Product Shipping and Storage

• Transport as dangerous goods.

• Store in a cool, dry, well-ventilated non-combustible warehouse. Keep away from fire and heat sources.

• DOT: UN1993, Flammable liquid, 3, PG II

Shipping details

1. Samples and Small quantity order FedEx/DHL/UPS/TNT , Door to Door.

2. Batch goods :By Air, by Sea or by Rail.

3. FCL: Airport/Seaport/Railway Station receiving.

4. Lead Time: 1-7 working days for samples; 7-15 working days for bulk order.


Q1. Do you provide free samples or extra ?

Yes, we could offer the sample for free charge,but cost of freight is on customers’ side.

Q2: How to confirm the Product Quality before placing orders?

A: We can send the sample for your testing and also provide our COA/Testing result to you The third. party inspection is also accepted.

Q3: How long I can get my goods after payment?

A: For small quantity,we will deliver by courier(FedExTNTDHLetc)and it usually will cost 7-18 days to your side. For large quantity, shipment by air or by sea per your request.

Q4.What is your terms of payment ?

Payment<=10,000USD, 100% in advance. Payment>=10,000USD, 30% T/T in advance ,balance before shipment.

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