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
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.
Benzothiazoles are a class of chemical compounds characterized by a fused benzene and thiazole ring. They exhibit a broad spectrum of applications, particularly as antioxidants in rubber and plastic industries, enhancing product longevity and performance. Additionally, benzothiazoles serve as key intermediates in the synthesis of pharmaceuticals, contributing to the development of life-saving drugs. Recognized for their stability and reactivity, these compounds are integral to advancing material science and healthcare solutions.
Polyhexamethylene guanidine hydrochloride, often abbreviated as PHMG-HCl, is a high molecular weight polymeric biguanide compound known for its potent antimicrobial properties. With a chemical structure that features a long chain of methylene groups bridged by guanidine units, PHMG-HCl is effective against a broad spectrum of microorganisms, including bacteria, viruses, and fungi.
This hydrochloride salt form of PHMG is highly soluble in water and is commonly used in various applications due to its non-irritant and non-toxic nature to human skin and mucous membranes. It is widely recognized for its ability to form a colorless and odorless solution, making it an ideal choice for use in personal care products, medical disinfectants, and water treatment processes.
The versatility of PHMG-HCl lies in its cationic nature, which allows it to bind to negatively charged microbial cell walls, disrupting their integrity and leading to cell death. This mechanism of action contributes to its effectiveness as a preservative and disinfectant. Moreover, its substantivity, or the ability to adhere to surfaces, enhances its long-lasting antimicrobial activity.
In summary, Polyhexamethylene guanidine hydrochloride is a reliable and efficient antimicrobial agent, pivotal in industries where hygiene and cleanliness are paramount, offering a safe and sustainable solution for microbial control.
Chemical Name: Quercetin-3-O-sophoroside
CAS No.: 18609-17-1
Molecular Formula: C27H30O17
Molecular Weight: 626.52
Chemical Name: UV-120
Other Name: (2’,4’-Di-tert-butylphenyl 3,5-di-tert-butyl-4-hydroxybenzoate)
CAS No.: 4221-80-1
Molecular Fomula: C29H42O3
Molecular weight: 438.66
Assay: ≥99%（LC）
Common English name: 5-iodo-2,3-dihydropyridazin-3-one
CAS No.: 825633-94-1
Molecular formula: C4H3IN2O
Molecular weight: 221.98
Sample: Available
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
3,4-Ethylenedioxythiophene is a synthetic organic compound characterized by its unique structure that includes a thiophene ring with ethylenedioxy substituents at the 3 and 4 positions. This compound is known for its potential applications in the synthesis of various organic materials, including pharmaceuticals and organic electronic devices such as sensors and solar cells. Its stability and reactivity make it a versatile intermediate in the chemical industry.
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 .
Chemical Name: Potassium Castorate
CAS No.: 8013-05-6
Molecular Formula: C57H107K3O12
Molecular Weight: 1101.74718
Appearance: Yellow Liquid
Chemical Name: STODDARD SOLVENT
CAS No.: 64742-88-7
Appearance: Colorless or Light Yellow Liquid
Chemical Name: Imazalil Sulfate
CAS No.: 58594-72-2
Molecular Formula: C14H14Cl2N2O.H2SO4
Molecular Weight: 395.26
Appearance: Solid
