TETRAMERE D4

TETRAMERE D4 or octamethyl cyclotetrasiloxane is described in CAS N°: 556-67-2.

Principal: Elkem Silicones USA Corp.

Chemical Name: Octamethylcyclotetrasiloxane D4

Chemical Family: Siloxanes

Functions: Intermediate

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Enhanced TDS

Identification & Functionality

Base Chemicals Functions
Blend
No
Chemical Family
Chemical Name
EC Number
209-136-7
Product Code
MITM15342
Single Ingredient
Yes
Synonyms
2,2,4,4,6,6,8,8-Octamethyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane, 2,2,4,4,6,6,8,8-Octamethylcyclotetrasiloxane, Cyclic dimethylsiloxane tetramer, Octamethylcyclotetrasiloxane, Tetracyclomethicone
Technologies
Product Families

Features & Benefits

Applications & Uses

Base Chemicals End Uses
Markets
Applications
Product Applications

Polymerisation of high performance silicone oils and gums, silicone elastomer intermediates, solvent, diluent, cosmetics and perfumes (high grade).

Properties

Physical Form

Packaging & Availability

Packaging Type
Packaging Information
  • TETRAMERE D4 is available in
  • Drum of 25 KG (55.13 LB)
  • Drum of 195 KG (429.98 LB)
  • Tote bin of 950 KG (2094.75 LB)

Storage & Handling

Storage and Shelf Life Conditions

When stored in its original packaging: TETRAMERE D4 may be stored at temperatures between -20°C / -4°F and 30°C / 86°F for up to 36 months from its date of manufacturing. Comply with the storage instructions and expiration date marked on the packaging. Beyond this date, Elkem Silicones no longer guarantees that the product meets the sales specifications.

Other

Color (SDS)
Colorless
Group Principal Number
S002177
IATA/ICAO Proper Shipping Name
Flammable liquid, N.O.S. (octamethylcyclotetrasiloxane)
IATA/ICAO UN Number
UN1993
IMO/IMDG EmS Fire
F-E
IMO/IMDG EmS Spill
S-E
IMO/IMDG Proper Shipping Name
Flammable liquid, N.O.S. (octamethylcyclotetrasiloxane)
IMO/IMDG UN Number
UN1993
Item Number
Miscible in (SDS)
In all proportions
Odor (SDS)
Odorless
Other Hazards
No other information noted.
Oxidizing Properties (SDS)
Not considered as oxidizing
Principal
USA/DOT Proper Shipping Name
Flammable liquid, N.O.S. (octamethylcyclotetrasiloxane)
USA/DOT UN Number
UN1993
Optical Properties
ValueUnitsTest Method / Conditions
Color Scalemax. 20.0 HazenHazen
Turbiditymax. 4.0 NTUNTU
Shelf Life & Stability
ValueUnitsTest Method / Conditions
Shelf Life36.0 momo
Physical Properties
ValueUnitsTest Method / Conditions
Boiling Point176.0 °C°CAt 1013 Mbar
Flash Point56.0 °C°C
Freeze Point17.0 °C°C
Specific Gravity950.0-at 25°C
Storage Temperature-4.0-86.0 °F°F
Viscosity2.3 cPscPsAt 25°C
Material Composition
ValueUnitsTest Method / Conditions
Octamethyl Cyclo-Tetrasiloxane Contentmax. 98.0 %%
SDS Physical and Chemical Properties
ValueUnitsTest Method / Conditions
Autoignition Temperature (SDS)420.0 °C°C
Boiling Point (SDS)175.0 °C°Cat 1 mmHg, room temperature
Decomposition Temperature (SDS)min. 250.0 °C°C
Density (SDS)0.96 kg/dm³kg/dm³at 20°C
Flash Point (SDS)57.0 °C°C
Flash Point (SDS)57.0 °C°CClosed Cup
Kinematic Viscosity (SDS)2.5-2.6 mm²/smm²/sat 25°C
Log Partition Coefficient (Log Pow) (SDS)6.49-OECD 123 at 25°C
Lower Explosion Limit (SDS)0.4 %(V)%(V)
Melting Point (SDS)17.5 °C°C
Relative Vapor Density (SDS)10.2-
Solubility In Water (SDS)max. 1.0 g/Lg/Lat 20°C
Upper Explosion Limit (SDS)11.7 %(V)%(V)
Vapor Pressure (SDS)1.2 hPahPaAt 20°C
Vapor Pressure (SDS)8.0 hPahPaAt 50°C
Viscosity (SDS)2.4-2.5 mPa.smPa.sat 25°C