Gelest SIH6185.0

Identification & Functionality

Chemical Family

Siloxanes

Chemical Name

Poly(oxy-1,2-ethanediyl), .alpha.-[3-[1,3,3,3-tetramethyl-1-[(trimethylsilyl)oxy]-1-disiloxanyl]propyl]-.omega.-hydroxy-

Base Chemicals Functions

Reagent

Molecular formula

HO(CH₂CH₂O)₆ - ₉(CH₂)₃(CH₃)[OSi(CH₃)₃]₂Si

Technologies

Base Chemicals & Intermediates

Product Families

Base Chemicals & Intermediates — Intermediates

Other Intermediates

Chemical Structure

Features & Benefits

Features

• PEO, PEG, Hydroxyl terminated trisiloxane utilized for hydrophilic surface modification
• PEGylation reagent

Applications & Uses

Markets

Industrial

Applications

Industrial — Chemical & Industrial Manufacturing

Chemical Manufacturing

Properties

Physical Form

Liquid

Chemical Properties

	Value	Units	Test Method / Conditions
Melting Point	-18.0	°C	-

Typical Properties

	Value	Units	Test Method / Conditions
Hydrolytic Sensitivity	4 (No reaction with water under neutral conditions)	-	-
Purity	90.0	%	-
Density (at 20°C)	1.02	g/ml	-
Refractive Index (at 20°C)	1.4463	-	-
Viscosity (at 25°C)	35.0	cSt	-
Molecular Weight	550 - 650	g/mol	-
Flash Point	118.0	°C	-

Regulatory & Compliance

Chemical Inventories

AICS (Australia),

DSL (Canada),

IECSC (China),

INSQ (Mexico),

KECI (Korea),

NCI (Vietnam),

NZIoC (New Zealand),

PICCS (Phillipines),

TCSI (Taiwan),

TECI (Thailand),

TSCA (USA)

Packaging & Availability

Standard Packaging

• 25 g
• 100 g
• 2 kg
• 18 kg

Packaging Under

Nitrogen