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Decamethylcyclopentasiloxane (D5), is an organosilicon compound with the formula [(CH3)2SiO]5.
Decamethylcyclopentasiloxane (D5) is a colorless and odorless liquid that is slightly volatile.
Decamethylcyclopentasiloxane (D5) is a type of silicone compound belonging to the family of cyclic siloxanes.
CAS Number: 541-02-6
Molecular Formula: C10H30O5Si5
Molecular Weight: 370.77
EINECS Number: 208-764-9
Synonyms: DECAMETHYLCYCLOPENTASILOXANE, 541-02-6, Cyclopentasiloxane, decamethyl-, Cyclomethicone 5, 2,2,4,4,6,6,8,8,10,10-Decamethyl-1,3,5,7,9,2,4,6,8,10-pentaoxapentasilecane, CYCLOPENTASILOXANE, Dimethylsiloxane pentamer, Dow corning 345, NUC silicone VS 7158, Silicon SF 1202, Ciclopentasiloxane, Cyclic dimethylsiloxane pentamer, Cyclomethicone D5, Dekamethylcyklopentasiloxan, Ddecamethylcyclopentasiloxane, D5-sil, KF 995, CCRIS 1328, VS 7158, HSDB 5683, UNII-0THT5PCI0R, 0THT5PCI0R, EINECS 208-764-9, SF 1202, BRN 1800166, DTXSID1027184, JEESILC CPS-211, XIAMETER PMX-0245, DTXCID907184, CYCLOPENTASILOXANE (D5), D5, EC 208-764-9, 4-04-00-04128 (Beilstein Handbook Reference), KF-995, DOW CORNING ST CYCLOMETHICONE 5, OCTAMETHYLCYCLOTETRASILOXANE (D5), KP-545 COMPONENT CYCLOMETHICONE 5, 2,2,4,4,6,6,8,8,10,10-decamethyl-1,3,5,7,9,2,4,6,8,10-pentoxapentasilecane, CYCLOMETHICONE 5 (USP-RS), CYCLOMETHICONE 5 [USP-RS], MFCD00046966, Dekamethylcyklopentasiloxan [Czech], decamethyl cyclopentasiloxane, C10H30O5Si5, Lightening Serum, D5 Cyclomethicone, dimethylcyclopentasiloxane, Decamethylcylopentasiloxane, UNII: 0THT5PCI0R, SCHEMBL28497, N-Propylheptamethyltrisiloxane, CHEMBL1885178, 3CE PINK IM GOOD MASCARA, CHEBI:191092, Decamethylcyclopentasiloxane, 97%, Cyclopentasiloxane, 2,2,4,4,6,6,8,8,10,10-decamethyl-, CYCLOMETHICONE 5 [WHO-DD], BCP15826, Tox21_303170, CD3770, CYCLOPENTASILOXANE, DECAMETHYL, AKOS008901199, CS-W009767, DB11244, HY-W009051, DECAMETHYLCYCLOPENTASILOXANE [MI], NCGC00163981-01, NCGC00257224-01, AS-59731, CAS-541-02-6, DA-72620, DECAMETHYLCYCLOPENTASILOXANE [HSDB], D1890, D3770, Decamethylcyclopentasiloxane (cyclic monomer), NS00043162, D78203, S05475, Decamethylcyclopentasiloxane, analytical standard, Q414350, decamethyl-1,3,5,7,9,2,4,6,8,10-pentaoxapentasilecane, Cyclomethicone 5, United States Pharmacopeia (USP) Reference Standard, 2,2,4,4,6,6,8,8,10,10-Decamethyl-1,3,5,7,9,2,4,6,8,10-pentaoxapentasilecane #, D5 Cyclomethicone, Pharmaceutical Secondary Standard; Certified Reference Material, 2,2,4,4,6,6,8,8,10,10-Decamethyl-1,3,5,7,9,2,4,6,8,10 entaoxapentasilecane, CD3770, cyclicdimethylsiloxanepentamer, Cyclopentasiloxane, decamethyl-, D3770, Decamethylcylopentasiloxane, siliconsf1202, unioncarbide7158siliconefluid,
Decamethylcyclopentasiloxane (D5) is a cyclic siloxane, that has a silicon-oxygen bond in a cyclic arrangement and methyl groups attached with the silicon atom.
Decamethylcyclopentasiloxane (D5) is used in the production of some silicon-based polymers that are widely used in various personal care products.
Pharmaceutical secondary standards for application in quality control, provide pharma laboratories and manufacturers with a convenient and cost-effective alternative to the preparation of in-house working standards.
Decamethylcyclopentasiloxane (D5) is also known by its chemical formula C10H30O5Si5.
Decamethylcyclopentasiloxane (D5) is a volatile, low-viscosity liquid that is commonly used in various industries due to its unique properties, such as its ability to form smooth, non-greasy films and its volatility, which allows it to evaporate without leaving residues.
Decamethylcyclopentasiloxane (D5) has a relatively low boiling point (around 210°C), meaning it evaporates easily at room temperature, which makes it useful in applications where a fast-drying product is desired.
It spreads easily across surfaces, enhancing its effectiveness in various formulations.
When applied to the skin or hair, D5 imparts a smooth, non-oily feel, making it popular in personal care products.
Decamethylcyclopentasiloxane (D5) is chemically inert, which means it is stable and does not readily react with other substances under normal conditions.
Hydrolysis of the dichloride produces a mixture of cyclic Decamethylcyclopentasiloxane (D5) and polydimethylsiloxane.
From this mixture, the cyclic siloxanes including Decamethylcyclopentasiloxane (D5) can be removed by distillation.
In the presence of a strong base such as KOH, the polymer/ring mixture is equilibrated, allowing complete conversion to the more volatile cyclic siloxanes.
Decamethylcyclopentasiloxane (D5) is an organosilicon compound with the formula [(CH3)2SiO]5.
Decamethylcyclopentasiloxane (D5) siloxane is a colorless and odorless liquid that is slightly volatile.
Decamethylcyclopentasiloxane (D5) siloxane is classied as a cyclomethicone.
Such uids are commonly used in cosmetics, such as deodorants, sunblocks, hair sprays and skin care products.
Decamethylcyclopentasiloxane (D5), which are a group of liquid methyl siloxanes that have low viscosity and high volatility.
Decamethylcyclopentasiloxane (D5) are cyclic in structure with a monomer backbone of one silicon and two oxygen atoms bonded together.
Decamethylcyclopentasiloxane (D5) is used in cosmetic and personal products as a skin emollient.
Decamethylcyclopentasiloxane (D5), also known as cyclopentasiloxane, decamethyl-, is an industrial chemical.
Decamethylcyclopentasiloxane (D5) is a volatile polydimethyl cyclosiloxanes, mainly by decamethyl cyclopentasiloxane composition.
Decamethylcyclopentasiloxane (D5) is clear, odorless, basically odorless, non-greasy.
Decamethylcyclopentasiloxane (D5), also known as D5 and D5, is an organosilicon compound with the formula [(CH3)2SiO]5.
Decamethylcyclopentasiloxane (D5) is a colorless and odorless liquid that is slightly volatile.
Decamethylcyclopentasiloxane (D5) is classied as a cyclomethicone.
Decamethylcyclopentasiloxane (D5) is a silicone regularly used in cosmetic products.
Decamethylcyclopentasiloxane (D5) commonly found in medical implants, sealants, lubricants, and windshield coatings.
Decamethylcyclopentasiloxane (D5) is colorless, odorless, non-greasy, and water-thin.
Decamethylcyclopentasiloxane (D5) doesn’t get absorbed into the skin.
Rather, Decamethylcyclopentasiloxane (D5) evaporates quickly away from it.
This property makes Decamethylcyclopentasiloxane (D5) a useful ingredient in cosmetic products that need to dry quickly, like antiperspirants and hair sprays.
D5 siloxane also has lubricating properties.
This gives a slippery and silky feeling when applied to the skin and hair and allows the product to spread more easily.
The basic structure common to all Decamethylcyclopentasiloxane (D5) is a cyclic backbone of siloxane units (i.e., silicon and oxygen with molecules of carbon and hydrogen attached, all very common elements found in nature).
Shorthand nomenclature is based upon the number of siloxane groups in the cyclic structure.
Thus, Decamethylcyclopentasiloxane (D5) (also known as cyclopentasiloxane or just D5) has ve of these groups.
The cyclosiloxanes octamethylcyclotetrasiloxane (D4), Decamethylcyclopentasiloxane (D5), and dodecamethylcyclohexasiloxane (D6) are cyclic volatile methyl siloxane (cVMS) substances with four, ve, and six siloxane groups, respectively.
Their use in cosmetics is one of their most important applications.
Decamethylcyclopentasiloxane (D5) and D6 are commonly used in cosmetics as emollients, hair and skin conditioning ingredients, and solvents.
The ingredients can be used in hair conditioning products where the product is washed o when used or in skincare products, personal deodorants, and colour cosmetics where the product is left on the skin.
Decamethylcyclopentasiloxane (D5) is also among the most extensively studied materials used in consumer and industrial applications.
Decamethylcyclopentasiloxane (D5) is known for being able to evaporate and dry quickly.
Decamethylcyclopentasiloxane (D5) are also known to repel water and glide easily.
This is why Decamethylcyclopentasiloxane (D5) are commonly used as ingredients in lubricants and sealants.
Decamethylcyclopentasiloxane (D5) are also known to form a protective barrier on the skin and hair.
This can help you detangle your hair, prevent breakage, and reduce frizz.
Decamethylcyclopentasiloxane (D5) can be found in a wide range of personal care products.
Decamethylcyclopentasiloxane (D5) sometimes appears on a label as decamethylcyclopentasiloxane or D5.
Decamethylcyclopentasiloxane (D5) may also be put under the broader category name of cyclomethicone.
Decamethylcyclopentasiloxane (D5) is dierent from another siloxane known as dimethicone or polydimethylsiloxane (PDMS).
Decamethylcyclopentasiloxane (D5) is a general term describing an individual and/or a mixture of cyclic siloxane materials that have many uses and are found in a variety of consumer products.
These materials are derived from the natural elements silicon and oxygen.
Decamethylcyclopentasiloxane (D5) create many of the positive qualities we associate with personal care products: luxuriant texture, silky smoothness, luster and smooth application.
Decamethylcyclopentasiloxane (D5) help make personal care products non-stinging and non-irritating.
For example, silicones reduce the white residue and tacky feel of antiperspirants and help “long-lasting” makeup retain its color and luster.
With Decamethylcyclopentasiloxane (D5), shampoos and conditioners have better shine; wetting and spreading qualities provide for smooth and even application of makeup, lotions, sunscreens and cleansers.
Denition of Decamethylcyclopentasiloxane (D5): any of various compounds containing alternate silicon and oxygen atoms in either a linear or cyclic arrangement usually with one or two organic groups attached to each silicon atom.
Decamethylcyclopentasiloxane (D5) is a volatile cylcosilloxane which is a basic material for wide range of cosmetics and body care products.
Decamethylcyclopentasiloxane (D5) is good compatible with most of the solvents.
Decamethylcyclopentasiloxane (D5) , a synthetic substance, is made up of silicone and oxygen.
Sometimes, elements like hydrogen and carbon are also used.
Decamethylcyclopentasiloxane (D5) is used in personal care products including skin creams, cosmetics, shampoos, deodorants and conditioners.
Decamethylcyclopentasiloxane (D5) is also used in various applications such as industrial cleaning fluids and dry cleaning solvents.
Decamethylcyclopentasiloxane (D5), also known as siloxane D5 or octamethyltrisiloxane, is part of a class of chemical compounds called cyclic siloxanes.
It consists of a five-membered ring of silicon and oxygen atoms, each bonded to methyl groups.
Decamethylcyclopentasiloxane (D5) is a volatile compound, which means it evaporates easily at room temperature, making it particularly useful in various formulations where evaporation without residue is important.
Decamethylcyclopentasiloxane (D5) has a cyclic structure with the chemical formula C10H30O5Si5.
It is made up of a silicon-oxygen backbone, with methyl groups (-CH₃) attached to each silicon atom.
This unique structure imparts its characteristic volatility and low surface tension.
Melting point: -44°C
Boiling point: 90 °C/10 mmHg (lit.)
Density: 0.958 g/mL at 25 °C (lit.)
vapor pressure: 33.2Pa at 25℃
refractive index: n20/D 1.396(lit.)
Flash point: 162 °F
storage temp.: 2-8°C
solubility: <0.0001g/l (calculated)
form: Liquid
Specific Gravity: 0.959
color: Colorless
explosive limit: 0.52-7%(V)
Water Solubility: Immiscible with water.
Hydrolytic Sensitivity 1: no significant reaction with aqueous systems
Merck: 14,2848
BRN: 1800166
Dielectric constant: 2.5（20℃）
Stability: Stable. Incompatible with strong oxidizing agents.
InChIKey: XMSXQFUHVRWGNA-UHFFFAOYSA-N
LogP: 8.07 at 24.6℃
Decamethylcyclopentasiloxane (D5) has also been tried as a dry-cleaning solvent in the early 2000s.
It was marketed as a more environmentally friendly solvent than tetrachloroethylene (the most common dry-cleaning solvent worldwide) despite being controlled in the EU for to its persistent, bioaccumulative and toxic characteristics.
Decamethylcyclopentasiloxane (D5) is a uid exhibiting low surface tension.
Decamethylcyclopentasiloxane (D5) has lubricating properties combined with volatility characteristics.
Decamethylcyclopentasiloxane (D5) imparts soft silky feel to the skin leaving no oil residue or build up.
Decamethylcyclopentasiloxane (D5) is non-greasy, detackifying and spreads evenly.
Decamethylcyclopentasiloxane is one of the most abundant compounds measured in urban indoor and outdoor air in developed countries.
Decamethylcyclopentasiloxane is used in many personal care products, Decamethylcyclopentasiloxane (D5)'s concentration measured outdoors is correlated with population density.
Additionally, particulate matter from urban areas is richer in silicon than less populated areas.
The vast majority of the Decamethylcyclopentasiloxane (D5) used escapes into the atmosphere and, once there, Decamethylcyclopentasiloxane's major loss source is to the hydroxyl radical.
Experimental and computationally simulated environmental data from chamb er experiments of Decamethylcyclopentasiloxane (D5) and OH provide an understanding of aerosol yield and chemistry under relevant urban conditions and give insight into the eect of volatile chemical products on the production of secondary organic aerosol (SOA).
Aerosol yields and composition as a function of NOx concentration are shown.
The name Siloxane is derived from Silicon, Oxygen and alkane.
They are a family of chemical substances composed of primarily of silicon.
Usually found in cosmetic products, (makeup, crème, deodorant…) and in cleaning as a whole, in paint, etc.
They are used for they particular chemical properties: they are odorless, colorless, non-greasy, easy to apply and dry rapidly.
This family encompasses multiple categories of substances: Cyclotetrasiloxanes (D4), Decamethylcyclopentasiloxane (D5) and Cyclohexasiloxanes (D6).
The term “silicone” can also be used to refer to siloxanes.
Decamethylcyclopentasiloxane (D5) is an organosilicon compound with the formula [(CH3)2SiO]5.
Decamethylcyclopentasiloxane (D5) is a colorless and odorless liquid that is slightly volatile.
Decamethylcyclopentasiloxane (D5) is classied as a cyclomethicone.
Such uids are commonly used in cosmetics, such as deodorants, sunblocks, hair sprays and skin care products.
Decamethylcyclopentasiloxane (D5) is member of cyclomethicone, which are a group of liquid methyl siloxanes that have low viscosity and high volatility.
Cyclomethicones are cyclic in structure with a monomer backbone of one silicon and two oxygen atoms bonded together.
Decamethylcyclopentasiloxane (D5) is used in cosmetic and personal products as a skin emollient.
Decamethylcyclopentasiloxane (D5), also known as cyclopentasiloxane, decamethyl-, is an industrial chemical.
Decamethylcyclopentasiloxane (D5) is a volatile polydimethyl cyclosiloxanes, mainly by decamethyl cyclopentasiloxane composition.
Decamethylcyclopentasiloxane (D5) is clear, odorless, basically odorless, non-greasy.
Decamethylcyclopentasiloxane (D5), also known as D5, is an organosilicon compound with the formula [(CH3)2SiO]5.
Decamethylcyclopentasiloxane (D5) is a colorless and odorless liquid that is slightly volatile.
Decamethylcyclopentasiloxane (D5) is classied as a cyclomethicone.
Decamethylcyclopentasiloxane (D5) is a silicone regularly used in cosmetic products.
Decamethylcyclopentasiloxane (D5) commonly found in medical implants, sealants, lubricants, and windshield coatings.
Decamethylcyclopentasiloxane (D5) is colorless, odorless, non-greasy, and water-thin.
Decamethylcyclopentasiloxane (D5) doesn’t get absorbed into the skin.
Rather, Decamethylcyclopentasiloxane (D5) evaporates quickly away from it
Such fluids are commonly used in cosmetics, such as deodorants, sunblocks, hair sprays and skin care products.
It is becoming more common in hair conditioners, as it makes the hair easier to brush without breakage.
Decamethylcyclopentasiloxane (D5) is also used as part of silicone-based personal lubricants.
Decamethylcyclopentasiloxane (D5) is considered an emollient.
In Canada, among the volume used in consumer products approximately 70% were for antiperspirants and 20% for hair care products.
10,000–100,000 tonnes per year of D5 is manufactured and/or imported in the European Economic Area.
Atmospheric emissions of Decamethylcyclopentasiloxane (D5) in the Northern Hemisphere were estimated to 30,000 tonnes per year.
Decamethylcyclopentasiloxane (D5) is one of the most abundant compounds measured in urban indoor and outdoor air in developed countries.
Used in many personal care products, Decamethylcyclopentasiloxane (D5)e's concentration measured outdoors is correlated with population density.
Additionally, particulate matter from urban areas is richer in silicon than less populated areas.
The vast majority of the D5-siloxane used escapes into the atmosphere and, once there, Decamethylcyclopentasiloxane (D5)'s major loss source is to the hydroxyl radical.
Experimental and computationally simulated environmental data from chamber experiments of Decamethylcyclopentasiloxane (D5) and OH provide an understanding of aerosol yield and chemistry under relevant urban conditions and give insight into the eect of volatile chemical products on the production of secondary organic aerosol (SOA).
Aerosol yields and composition as a function of NOx concentration are shown.
The name Siloxane is derived from Silicon, Oxygen and alkane.
They are a family of chemical substances composed of primarily of silicon.
Usually found in cosmetic products, (makeup, crème, deodorant…) and in cleaning as a whole, in paint, etc.
They are used for they particular chemical properties: they are odorless, colorless, non-greasy, easy to apply and dry rapidly
Decamethylcyclopentasiloxane (D5) is a non-greasy silicone that is colorless, odorless, and water-thin.
Decamethylcyclopentasiloxane (D5) gets quickly evaporated from the skin rather than getting absorbed - making it a brilliant ingredient to be used in products that need to dry fast, like antiperspirants and hair sprays.
Decamethylcyclopentasiloxane (D5) also has lubricating properties and feels silky smooth when applied to hair and skin.
Decamethylcyclopentasiloxane (D5) is a volatile polydimethylcyclosiloxane, mainly composed of decamethylcyclopentasiloxane.
Decamethylcyclopentasiloxane (D5) is colorless and transparent liquid, with low ow point and fast reaction speed.
The name “cyclopentasiloxane” is crazy hard to say as is its other name “decamethylcyclopentasiloxane,” but the good news is that it’s also referred to as “D5 siloxane.”
Decamethylcyclopentasiloxane (D5) is actually a type of silicone that’s regularly used in skincare and haircare products.
Decamethylcyclopentasiloxane (D5) is specically part of a small silicone group: cyclomethicones.
Decamethylcyclopentasiloxane (D5) is a volatile polydimethyl cyclosiloxanes, mainly by decamethyl cyclopentasiloxane composition.
Decamethylcyclopentasiloxane (D5) is clear, odorless, basically odorless, non-greasy.
Decamethylcyclopentasiloxane (D5), also known as D5 and D5, is an organosilicon compound with the formula [(CH3)2SiO]5.
Decamethylcyclopentasiloxane (D5) is a colorless and odorless liquid that is slightly volatile.
Decamethylcyclopentasiloxane (D5) is a cyclic siloxane, that has a silicon-oxygen bond in a cyclic arrangement and methyl groups attached with the silicon atom.
Decamethylcyclopentasiloxane (D5) is an organosilicon compound with the formula [(CH3)2SiO]5.
Decamethylcyclopentasiloxane (D5) is a colorless and odorless liquid that is slightly volatile.
Decamethylcyclopentasiloxane (D5) is classied as a cyclomethicone.
Uses:
A cyclic volatile Decamethylcyclopentasiloxane (D5) used in cosmetic and personal care products.
Used in dermal exposure and inhalation toxicity study.
Decamethylcyclopentasiloxane (D5) is incorporated into a formulation for its emollient and solvent activity.
Octamethylcyclotetrasiloxane and Decamethylcyclopentasiloxane (D5) are major industrial products, which are either marketed as such or used for the production of polydimethylsiloxanes.
Decamethylcyclopentasiloxane (D5) is widely used in hair care products like shampoos, conditioners, and styling products for its ability to impart smoothness, shine, and a silky feel to the hair without making it greasy.
In skin care products like moisturizers, sunscreens, and lotions, D5 enhances product spreadability and improves texture.
It helps products dry quickly and leaves a smooth, non-oily finish.
Decamethylcyclopentasiloxane (D5) is included in antiperspirants to help them spread evenly on the skin and evaporate quickly after application.
Decamethylcyclopentasiloxane (D5) is used as a solvent in various industrial formulations, including paints, coatings, and adhesives.
Decamethylcyclopentasiloxane (D5) helps dissolve other ingredients and provides a smooth finish while evaporating without leaving residues.
Lubricants: It is also used in lubricants and mold-release agents due to its ability to reduce friction and improve the efficiency of machinery.
Decamethylcyclopentasiloxane (D5) is used in electronic coatings and insulating materials because it can form a thin, non-conductive layer that protects against moisture and dust.
Decamethylcyclopentasiloxane (D5) is used in textile and fabric treatments to impart water and stain resistance.
It enhances the durability of outdoor and performance fabrics.
Decamethylcyclopentasiloxane (D5) is sometimes used as an additive in the production of rubbers and plastics to improve flexibility and longevity.
Intermediate in the manufacture of high mol wt siloxane polymers.
Carrier ingredient in personal care products; dry cleaning solvent.
Decamethylcyclopentasiloxane (D5) is used in the following products: cosmetics and personal care products, washing & cleaning products, polishes and waxes, pharmaceuticals, textile treatment products and dyes and perfumes and fragrances.
Other release to the environment of Decamethylcyclopentasiloxane (D5) is likely to occur from: indoor use (e.g. machine wash liquids/detergents, automotive care products, paints and coating or adhesives, fragrances and air fresheners), outdoor use, indoor use in close systems with minimal release (e.g. cooling liquids in refrigerators, oil-based electric heaters) and outdoor use in close systems with minimal release (e.g. hydraulic liquids in automotive suspension, lubricants in motor oil and break fluids).
Release to the environment of Decamethylcyclopentasiloxane (D5) can occur from industrial use: industrial abrasion processing with low release rate (e.g. cutting of textile, cutting, machining or grinding of metal) and of articles where the substances are not intended to be released and where the conditions of use do not promote release.
Other release to the environment of Decamethylcyclopentasiloxane (D5) is likely to occur from: outdoor use in long-life materials with low release rate (e.g. metal, wooden and plastic construction and building materials) and indoor use in long-life materials with low release rate (e.g. flooring, furniture, toys, construction materials, curtains, foot-wear, leather products, paper and cardboard products, electronic equipment).
Decamethylcyclopentasiloxane (D5) can be found in complex articles, with no release intended: vehicles.
Decamethylcyclopentasiloxane (D5) is used in the following products: washing & cleaning products, polishes and waxes, cosmetics and personal care products and coating products.
Decamethylcyclopentasiloxane (D5) is used in the following areas: formulation of mixtures and/or re-packaging, building & construction work and health services.
Decamethylcyclopentasiloxane (D5) is used for the manufacture of: and textile, leather or fur.
Other release to the environment of Decamethylcyclopentasiloxane (D5) is likely to occur from: indoor use (e.g. machine wash liquids/detergents, automotive care products, paints and coating or adhesives, fragrances and air fresheners), outdoor use and indoor use in close systems with minimal release (e.g. cooling liquids in refrigerators, oil-based electric heaters).
Decamethylcyclopentasiloxane (D5) is used in the following products: cosmetics and personal care products, polishes and waxes, washing & cleaning products, pharmaceuticals, coating products and textile treatment products and dyes.
Release to the environment of Decamethylcyclopentasiloxane (D5) can occur from industrial use: formulation of mixtures and formulation in materials.
Decamethylcyclopentasiloxane (D5) is used in the following products: washing & cleaning products, polymers, laboratory chemicals, polishes and waxes, cosmetics and personal care products and textile treatment products and dyes.
Decamethylcyclopentasiloxane (D5) is used in the following areas: scientific research and development and building & construction work.
Decamethylcyclopentasiloxane (D5) is used for the manufacture of: chemicals, textile, leather or fur and electrical, electronic and optical equipment.
Release to the environment of Decamethylcyclopentasiloxane (D5) can occur from industrial use: in processing aids at industrial sites, as an intermediate step in further manufacturing of another substance (use of intermediates), for thermoplastic manufacture, as processing aid, of substances in closed systems with minimal release and in the production of articles.
Decamethylcyclopentasiloxane (D5) is often used in shampoos, conditioners, and styling products due to its ability to provide a lightweight, non-greasy feel.
It adds shine to the hair and makes it feel soft without leaving an oily residue, which is highly desired in hair care formulations.
In products like lotions, moisturizers, and sunscreens, Decamethylcyclopentasiloxane (D5) helps improve the spreadability of products on the skin and allows them to dry quickly without feeling heavy or greasy.
It can also help in the creation of a smooth, velvety finish.
Decamethylcyclopentasiloxane (D5) is included in antiperspirants and deodorants for its ability to enhance product application and provide a quick-drying, non-sticky finish.
It also helps control the distribution of the active ingredients like aluminum chlorohydrate.
Decamethylcyclopentasiloxane (D5) is used as a lubricant in various industries because of its low viscosity and ability to reduce friction, making it ideal for use in molds, machinery, and mechanical systems where a smooth, friction-reducing agent is needed.
It acts as a solvent in paints, varnishes, and coatings due to its ability to dissolve other ingredients and improve the spreadability.
It also helps in improving the film formation and drying time of coatings.
Decamethylcyclopentasiloxane (D5) is used as a release agent in manufacturing processes, particularly in the production of plastics, rubber, and composite materials, where it helps prevent sticking to molds and ensures smooth, easy product removal.
Decamethylcyclopentasiloxane (D5) is used in electronic applications, particularly for coating and insulating sensitive electronic components.
Its fast-drying nature ensures that it forms a protective layer that shields against moisture, dust, and corrosion without affecting the electrical properties of the device.
Decamethylcyclopentasiloxane (D5) is sometimes used in thermal pastes or cooling compounds to improve heat dissipation in electronic devices like computers and LED lights.
Decamethylcyclopentasiloxane (D5) is applied in textile finishing processes to provide water-repellent and stain-resistant properties to fabrics.
It enhances the durability of outdoor clothing, tents, and upholstery, making it resistant to water and stains while maintaining breathability.
Decamethylcyclopentasiloxane (D5) helps make fabrics feel softer and smoother without altering their structure, often used in fabric softeners and clothing treatments.
Decamethylcyclopentasiloxane (D5) is used in certain agricultural products to improve the spreadability of pesticides and herbicides on plant surfaces.
It acts as a wetting agent, helping active ingredients distribute evenly over the surface for better efficacy.
Safety Profile:
The environmental impacts of Decamethylcyclopentasiloxane (D5) and D4 have attracted attention because these compounds are pervasive.
Cyclic siloxanes have been detected in some species of aquatic life.
A scientific review in Canada has determined that “Siloxane Decamethylcyclopentasiloxane (D5) does not pose a danger to the environment” and a scientific assessment of Decamethylcyclopentasiloxane (D5) by the Australian government stated, "the direct risks to aquatic life from exposure to these chemicals at expected surface water concentrations are not likely to be significant."
However, in the European Union, Decamethylcyclopentasiloxane (D5) was characterized as a substance of very high concern (SVHC) due to its PBT and vPvB properties and was thus included in the candidate list for authorisation.
Decamethylcyclopentasiloxane (D5) cannot be placed on the market in the European Union in wash-off cosmetic products in a concentration equal to or greater than 0.1 % by weight.
There have been concerns regarding the persistence and bioaccumulation of Decamethylcyclopentasiloxane (D5) in the environment, particularly in aquatic systems.
It is classified as a persistent organic pollutant (POP), and there is ongoing research into its environmental effects.
While Decamethylcyclopentasiloxane (D5) is generally considered safe in low concentrations, prolonged exposure to high levels of the compound, particularly through inhalation or skin contact, may cause irritation to the respiratory system or skin.
There are also concerns about its potential to affect wildlife, particularly aquatic organisms.
Due to environmental concerns, regulatory agencies in some regions have imposed limits on the use of Decamethylcyclopentasiloxane (D5) in certain products.
For example, the European Union has classified Decamethylcyclopentasiloxane (D5) as a substance of very high concern (SVHC) under REACH (Registration, Evaluation, Authorization, and Restriction of Chemicals).
