Octamethylcyclotetrasiloxane 99.0%Min Colorless transparent oily liquid RC00007
1 Inquiries
556-67-2
Industrial Grade
99%
中国
Royalchem
190kg/drum
Yes
2029-12-31
Pharmaceutical intermediates
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Product Description
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Seller Information
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Inquiry History
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DescriptionECHEMI Editorial ReferenceIt is milk-white viscous liquid and is non-volatile and odorless. It has a relative density of O.98~1.02. It is miscible with benzene, gasoline and other kinds of chlorinated hydrocarbons, aliphatic and aromatic hydrocarbons; it is not soluble in methanol, ethanol and water, but can be dispersed in water. It is Non-flammable, non-corrosive and is chemically stable. ADI: 0~1.5mg /start (FAO/WHO, 1994). viscous colourless liquidBasic Info
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Product Name:
Octamethylcyclotetrasiloxane
Other Name:Cyclotetrasiloxane,2,2,4,4,6,6,8,8-octamethyl-;Cyclotetrasiloxane,octamethyl-;2,2,4,4,6,6,8,8-Octamethylcyclotetrasiloxane;Octamethylcyclotetrasiloxane;NUC Silicone VS 7207;Union Carbide 7207;SF 1173;UC 7207;VS 7207;Cyclic dimethylsiloxane tetramer;KF 994;SH 344;Abil K 4;Octamethylcyclotetrasiloxanes;Silbione V 2;Dow Corning 244;Dow Corning 344;Volasil 244;DC 344;Mirasil CM 4;TSF 404;LS 8620;D 4;Dabco DC 5258;DC 5258;Tetracyclomethicone;Y 7175;NSC 345674;SH 244;Silbione 70045V2;DC 244;Dow Corning 244 Fluid;DWQ 110;DWQ 120;PMX 0110;XF 3803;YF 393;ZBH 270;SH 244 Fluid;SH 30;Additive 8030;2,2,4,4,6,6,8,8-Octamethyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane;L 6907;83874-62-8;104986-37-0;117563-66-3;1257661-59-8
CAS No.:556-67-2
Molecular Formula:C8H24O4Si4
InChIKeys:InChIKey=HMMGMWAXVFQUOA-UHFFFAOYSA-N
Molecular Weight:92.1692
Exact Mass:296.62
EC Number:209-136-7
HScode:2942000000
Categories:
Characteristics-
PSA:
40.46
XLogP3:-0.3272
Appearance:Transparent colorless liquid
Density:0.9558 g/cm3
Melting Point:17.5 °C
Boiling Point:175 °C
Flash Point:33 °F
Refractive Index:n20/D 1.377(lit.)
Water Solubility:H2O: Insoluble
Storage Conditions:Keep away from sources of ignition. Store in a cool, dry place. Store in a tightly closed container.
Vapor Pressure:<5 mm Hg ( 25 °C)
Vapor Density:>1 (vs air)
Toxicity:LD50 oral in rat: > 17gm/kg
Hazard IdentificationClassification of the substance or mixture
Hazardous to the aquatic environment, long-term (Chronic) - Category Chronic 4
Reproductive toxicity, Category 2
GHS label elements, including precautionary statements
Pictogram(s) 
Signal word Warning
Hazard statement(s) H413 May cause long lasting harmful effects to aquatic life
Precautionary statement(s) Prevention P273 Avoid release to the environment.
P203 Obtain, read and follow all safety instructions before use.
P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/...
Response P318 IF exposed or concerned, get medical advice.
Storage P405 Store locked up.
Disposal P501 Dispose of contents/container to an appropriate treatment and disposal facility in accordance with applicable laws and regulations, and product characteristics at time of disposal.
Other hazards which do not result in classification
no data available
Handling and StoragePrecautions for safe handling
NO open flames. Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.
Conditions for safe storage, including any incompatibilities
Keep container tightly closed in a dry and well-ventilated place. Containers which are opened must be carefully resealed and kept upright to prevent leakage. Storage class (TRGS 510): Flammable liquids.
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Seller Information
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Business Type:
Trader
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Main Products:
Pharmaceutical intermediates
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Location:
Room 336, Building 7, No. 177 Xingqiao North Road, Xingqiao Street, Linping District, Hangzhou
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Payment Terms:
TT against copy of documents,D/P,L/C,TT against B/L draft before shipment,100% TT in advance
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Average lead Time:
14 days
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Total Annual Revenue:
Less than $1 million
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Total Employees:
Less than 5
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Year of Establishment:
2025
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Inquiry History1 Inquiries
Country Product Purchase Quantity Date Posted 
India
Octamethylcyclotetrasiloxane
1.00 KG Dec 24, 2025 Post an enquiry for this product
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