Mesitylene CAS#108-67-8
Mesitylene is an aromatic hydrocarbon belonging to the xylene isomers. It is a clear, water-white liquid with a strong aromatic odor. Mesitylene has a relatively high boiling point of approximately 144.5 ??C and is poorly soluble in water. It is commonly used as a solvent in various industrial applications, including the production of chemicals, pharmaceuticals, and as a component in gasoline. Due to its chemical stability and low reactivity, it is also utilized in the synthesis of dyes and as a dehydrating agent for organic compounds. Mesitylene’s chemical properties make it a versatile and valuable component in the chemical industry.
Mesitylene CAS#108-67-8
| Mesitylene Chemical Properties |
| Melting point | -45 ??C |
| Boiling point | 163-166???C(lit.) |
| density | 0.864 g/mL at 25 ??C(lit.) |
| vapor density | 4.1 (vs air) |
| vapor pressure | 14 mm Hg ( 55 ??C) |
| refractive index | n20/D?1.499(lit.) |
| Fp | 112???F |
| storage temp. | 2-8??C |
| solubility | Miscible with alcohol, benzene, ether (Windholz et al., 1983), and trimethylbenzene isomers. |
| form | Liquid |
| pka | >14 (Schwarzenbach et al., 1993) |
| color | Clear colorless |
| explosive limit | 0.88-6.1%, 100??F |
| Odor Threshold | 0.17ppm |
| Water Solubility | 2.9 g/L (20 oC) |
| Merck | 14,5907 |
| BRN | 906806 |
| Henry’s Law Constant | 4.03, 4.60, 5.71, 6.73, and 9.63 at 10, 15, 20, 25, and 30 ??C, respectively (EPICS, Ashworth et al.,1988) |
| Exposure limits | NIOSH REL: TWA 25 ppm (125 mg/m3); ACGIH TLV: TWA for mixed isomers 25 ppm (adopted). |
| Dielectric constant | 3.4??Ambient?? |
| Stability: | Stable. Combustible. Incompatible with strong oxidizing agents. |
| InChIKey | AUHZEENZYGFFBQ-UHFFFAOYSA-N |
| LogP | 3.42 at 20?? |
| CAS DataBase Reference | 108-67-8(CAS DataBase Reference) |
| NIST Chemistry Reference | Benzene, 1,3,5-trimethyl-(108-67-8) |
| EPA Substance Registry System | 1,3,5-Trimethylbenzene (108-67-8) |
| Safety Information |
| Hazard Codes | Xi,N,F,T |
| Risk Statements | 10-37-51/53-39/23/24/25-23/24/25-11-37/38 |
| Safety Statements | 61-45-36/37-16-7 |
| RIDADR | UN 2325 3/PG 3 |
| OEB | A |
| OEL | TWA: 25 ppm (125 mg/m3) |
| WGK Germany | 2 |
| RTECS | OX6825000 |
| F | 10 |
| Autoignition Temperature | 1022 ??F |
| Hazard Note | Irritant/Flammable |
| TSCA | Yes |
| HazardClass | 3 |
| PackingGroup | III |
| HS Code | 29029080 |
| Hazardous Substances Data | 108-67-8(Hazardous Substances Data) |
| Toxicity | LD50 (inhalation) for rats 24 g/m3/4-h (quoted, RTECS, 1985). |
Related Products
Chemical Name: Arabic gum
CAS No.: 9000-01-5
Appearance: powder
Octyl 4-methoxycinnamate, scientifically known as 2-Ethylhexyl 4-Methoxycinnamate, is a highly effective organic UV filter commonly used in the formulation of sunscreens and cosmetic products. This compound is renowned for its ability to absorb ultraviolet B (UVB) radiation, providing a reliable defense against the sun’s harmful effects on the skin.
Characterized by its chemical formula C19H28O3, Octyl 4-methoxycinnamate is a liquid ester that is readily soluble in organic solvents. It is valued for its photostability, which means it maintains its protective properties even after prolonged exposure to sunlight. This feature makes it an ideal ingredient for products designed to offer long-lasting sun protection.
In addition to its UVB absorption capabilities, Octyl 4-methoxycinnamate is also appreciated for its compatibility with other UV filters, allowing for the creation of broad-spectrum sunscreens. It contributes to the development of formulations that are non-greasy and cosmetically elegant, suitable for a variety of skin types.
As a key component in sun care products, Octyl 4-methoxycinnamate supports the skin’s health by preventing sunburn, reducing the risk of skin cancer, and delaying the signs of photoaging. Its safety profile and efficacy make it a preferred choice in the personal care and dermatological industries for sun protection solutions.
POLY(VINYL CHLORIDE-CO-ISOBUTYL VINYL ETHER) is a copolymer that combines the properties of vinyl chloride and isobutyl vinyl ether. This polymer offers a balance of rigidity and flexibility, along with enhanced chemical resistance and durability. It is commonly used in the production of films, coatings, and adhesives due to its excellent barrier properties against gases and moisture, making it ideal for packaging and construction applications.
Tetraacetylethylenediamine is a fully acetylated derivative of ethylenediamine, offering a high reactivity as an intermediate in organic synthesis. Its unique structure makes it a critical component in the production of specialty chemicals and pharmaceuticals, ensuring a wide range of applications in the chemical industry.
N,N-Dimethylaniline is an organic compound with amine and methyl groups attached to a benzene ring. It is a colorless liquid with a characteristic amine odor. This compound is primarily used as a chemical intermediate in the synthesis of dyes, pigments, and polymers. Its reactivity makes it a valuable building block in the production of various organic compounds, particularly in the pharmaceutical and chemical industries.
Chemical Name: Imazalil Sulfate
CAS No.: 58594-72-2
Molecular Formula: C14H14Cl2N2O.H2SO4
Molecular Weight: 395.26
Appearance: Solid
Chemical Name: Dehydrocholic acid
Synonyms: Acide dehydrocholique; Triketocholanic acid
CAS No.: 81-23-2
Molecular Formula: C24H34O5
Molecular Weight: 402.53
Appearance: Powder
Chemical Name: Ammonium Iron(II) Sulfate
Synonyms: Diammonium iron bis(sulphate); iron (ii) ammonium sulfate
CAS No.: 10045-89-3
Molecular Formula: FeH5NO4S
Molecular Weight: 170.95
Silicone oil, known for its chemical designation as dimethicone or polydimethylsiloxane, is a synthetic polymer with a backbone of alternating silicon and oxygen atoms, creating a highly versatile and stable compound. It is renowned for its exceptional lubricating properties, heat resistance, and non-toxic nature, making it a staple in various industries, including cosmetics, automotive, and aerospace.
This hydrophobic, non-volatile oil is valued for its ability to provide a smooth, non-greasy feel and to form stable emulsions with other ingredients. In personal care products, silicone oil is used to impart a silky texture, reduce friction on the skin, and create a protective barrier against environmental stressors without clogging pores.
Silicone oil’s chemical inertness and resistance to oxidation contribute to its long shelf life and stability in formulations. It is also appreciated for its compatibility with a wide range of substances, allowing for the creation of multifunctional products.
In summary, silicone oil is a reliable and multifaceted ingredient, offering a combination of performance, safety, and sensory benefits. Its use in a variety of applications reflects its versatility and enduring appeal in the marketplace.
Butylated Hydroxytoluene (BHT) is a synthetic phenolic antioxidant commonly added to foods, cosmetics, and packaging to prevent the oxidation of fats and oils, thereby extending their shelf life. It is also used as a preservative in a variety of products, including rubber, petroleum products, and animal feed. BHT is recognized for its effectiveness in maintaining nutrient levels, color, flavor, and odor in food products . It is known to have a melting point of 69-71??C, a boiling point of 265??C, and is soluble in ethanol, acetone, and benzene, but not in water, glycerin, or propylene glycol . BHT is also used in some dietary supplements due to its antioxidant properties . However, it is important to handle BHT with care, as it can cause skin irritation and is considered harmful if swallowed .
Ethylhexyl Palmitate is a skin-conditioning ester, derived from ethylhexanol and palmitic acid, that imparts moisturization and a smooth texture to cosmetic and personal care formulations. It is valued for its emollient properties, enhancing the sensory experience of skin care products.
Terpene resin is a type of natural resin derived from terpenes, which are organic compounds found in various plants. It is known for its aromatic properties and is commonly used in the production of fragrances, flavorings, and as a component in adhesives and coatings within the chemical industry. Terpene resin offers a range of benefits, including enhancing the solubility of essential oils and providing a stable base for various applications. Its natural origin makes it a preferred choice for eco-friendly products.
