Dibutyl-o-phthalate
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Dibutyl-O-phthalate
Dibutyl-O-phthalate
General Info
Product Name
Dibutyl-o-phthalate
CAS NO.
84-74-2
Physical Properties
Product Name Dibutyl-O-phthalate
Cas Number 84-74-2
Formula C16H22O4
Molar Mass 278.35 g/mol
Density 1.049 g/cm³
Boiling Point 340 °C
Melting Point -35 °C
Solubility In Water Practically insoluble
Vapor Pressure 0.00017 mmHg at 25 °C
Refractive Index 1.491
Flash Point 157 °C
Viscosity 25 mPa·s at 20 °C
Appearance Colorless liquid
Odor Slight aromatic odor
Autoignition Temperature 402 °C
Specific Heat Capacity 1.4 J/gK
FAQ
What is Dibutyl-O-phthalate and what are its primary uses in various industries?

Dibutyl-O-phthalate, commonly abbreviated as DBP, is an organic compound that is part of a broader class of chemicals known as phthalates. These are primarily used as plasticizers, substances added to plastics to increase their flexibility, transparency, durability, and longevity. The basic function of a plasticizer is to make plastic softer and more usable for creating a variety of products. DBP is known for its effectiveness in this role, particularly in the manufacturing of flexible polyvinyl chloride (PVC) products. This chemical modification makes PVC and other plastics suitable for a broad range of applications, which explains its widespread use in various industries. One common usage of DBP is in the production of personal care products. In cosmetics, DBP is added to nail polish, for instance, to prevent cracking by keeping the polish flexible once applied. This allows the polish to adhere better and last longer without chipping. Likewise, DBP is used in some hair sprays where it functions to enable the flexibility of hair, maintaining styles without causing rigidity. Beyond beauty products, the chemical finds its application in the adhesives and sealants industry, where it improves the stickiness and durability of these substances. Its properties help provide adhesive and sealant products with the necessary elasticity and strength to bind surfaces effectively. Additionally, DBP serves significant roles in the paints and coatings industry. Here, it acts as a solvent that enhances the stability of the product, ensuring a smooth application and longevity in the painted layer's finish. It is also used to make inks for flexible substrates, allowing the ink to adhere and endure properly on flexible surfaces. Despite its utility in numerous domains, it is worth noting that the usage of dibutyl phthalates has been subject to regulatory scrutiny due to health and environmental concerns, leading to restrictions and monitoring in various countries. As researchers develop safer alternatives, industries are adapting to new regulations, and DBP's role is continuously evaluated and changed accordingly, reflecting the dynamic nature of chemical use in industrial and consumer products.

How does Dibutyl-O-phthalate affect human health, and what precautions should be considered in its use?

Dibutyl-O-phthalate has been a subject of considerable scrutiny and research due to potential health effects that have been associated with its exposure. Concerns over DBP arise primarily due to its classification as a phthalate, a family of compounds that some studies have linked to endocrine disruption in humans. The endocrine system is crucial for maintaining homeostasis and regulating hormones, and disruption in this system can lead to various health issues. Specifically, studies have suggested that high exposure levels to DBP might interfere with testosterone synthesis, which can be detrimental, particularly in developing male fetuses in pregnant women. Owing to these concerns, there is a special focus on minimizing exposure among the most vulnerable populations, such as pregnant women and young children. In adults, chronic exposure to high levels of DBP has been associated with reproductive toxicity, and some studies have examined its potential links to reduced fertility in men. However, it is important to note that most of these effects are based on high-dose exposure scenarios often not representative of typical usage scenarios, where the exposure levels are significantly lower. Nevertheless, regulatory bodies have taken a precautionary approach, limiting or banning the use of DBP in certain products, especially those intended for children and personal care products applied to the skin. To mitigate risks associated with DBP, several precautions are recommended. First, it is advised to follow product labels and safety data sheets (SDS), which provide guidance on the safe use and handling of products containing DBP. Industrial and occupational settings should ensure proper ventilation and provide personal protective equipment (PPE) such as gloves and masks to minimize inhalation and skin contact. Additionally, consumers can look for DBP-free labels on personal care and household products, as many manufacturers have reformulated their products to exclude phthalates. Lastly, understanding local regulations and advisories can help both consumers and companies comply with safety standards and make informed decisions regarding the use of dibutyl phthalate in various applications.

What environmental impacts are associated with Dibutyl-O-phthalate, and how can they be managed?

The environmental impacts of Dibutyl-O-phthalate (DBP) are significant, given its widespread use and potential for persistence and bioaccumulation in the environment. DBP can enter the environment through various pathways, including manufacturing processes, product usage, and disposal of DBP-containing products. Once released, it can persist in soil and aquatic environments, leading to concerns about long-term ecological effects. DBP is moderately soluble in water, which allows it to easily disperse in aquatic systems once it enters the water bodies through industrial discharges, urban runoff, or improper waste disposal. It poses potential risks to aquatic organisms, as studies have shown it can be toxic to fish and invertebrates at certain concentrations. The ecological impact includes direct toxicity, which might manifest in reduced population levels of susceptible species, and indirect ecosystem effects through the potential alteration of reproductive processes in aquatic organisms. DBP in the soil can subsequently lead to contamination of terrestrial ecosystems. Due to its ability to adsorb onto particles, it can remain in the soil for longer durations and be taken up by plants, thus entering the terrestrial food chain. Such contamination can impact plant health and the organisms that rely on those plants for sustenance, posing risks up the food chain. To manage these environmental impacts, it is critical to adopt a multi-faceted approach. Regulation plays a central role, where appropriate legislation limits the allowable concentrations of DBP in industrial discharges and sets guidelines for waste management to minimize environmental contamination. These regulations not only safeguard the environment but also push industries toward adopting greener practices. Encouraging the development and use of alternative, less harmful plasticizers that perform similar functions without the negative environmental impact is another approach. Research in green chemistry is uncovering new compounds that can replace phthalates like DBP in various applications without compromising on performance and at the same time ensure environmental safety. Public education and awareness about the proper disposal of DBP-containing products can also aid in reducing environmental contamination. Consumers are empowered to make informed decisions, thereby decreasing the demand and subsequent environmental release of DBP. Lastly, continuous monitoring and research into the environmental fate and effects of DBP facilitate understanding and mitigating its ecological impact. This ongoing effort helps in assessing risk, enforcing regulations effectively, and refining management strategies to preserve ecological health.

What regulations exist surrounding the use of Dibutyl-O-phthalate, especially in consumer products?

Regulations surrounding the use of Dibutyl-O-phthalate (DBP) reflect ongoing concerns about its health and environmental impacts. As an industrial chemical primarily used as a plasticizer, DBP is subject to regulatory oversight from multiple agencies worldwide, each aiming to minimize exposure to humans and the environment. In the European Union, DBP has been heavily restricted under the Registration, Evaluation, Authorisation and Restriction of Chemicals (REACH) directive. It is listed as a Substance of Very High Concern (SVHC) due to its reproductive toxicity and persistence in the environment. As such, its use in consumer products, especially those intended for children and cosmetics, is significantly limited or outright banned. For cosmetic products, the EU Cosmetics Regulation prohibits the use of DBP, ensuring that consumers are protected from potential health effects linked to dermal exposure. In the United States, the Consumer Product Safety Commission (CPSC) and Food and Drug Administration (FDA) are key regulatory bodies that oversee the use of DBP in consumer goods. Under the Consumer Product Safety Improvement Act of 2008, DBP is banned in concentrations greater than 0.1% in children's toys and certain child care articles to address concerns about its effects on developmental health. Additionally, the FDA monitors the use of phthalates in cosmetics and advises manufacturers to comply with safety guidelines, even though there is no outright ban. Specific state regulations exist as well; for example, California's Proposition 65 requires manufacturers to provide warnings if products contain certain levels of DBP, due to its listing as a chemical known to cause reproductive harm. Internationally, various countries have adopted similar restrictions in alignment with EU standards, reflecting a global consensus on minimizing human exposure to DBP. These regulatory frameworks compel industries to innovate and seek alternative materials for their products, steering them toward safer formulations. While these regulations do not entirely eliminate DBP from industrial use, they significantly curtail its presence in everyday consumer products. Compliance with these rules involves thorough documentation, testing, and labeling to ensure products meet safety requirements, all of which drive the industry towards safer consumption standards.

What are some alternative substances to Dibutyl-O-phthalate, and how do they compare in terms of effectiveness and safety?

The search for alternatives to Dibutyl-O-phthalate (DBP) has led to the development and use of several safer plasticizers, which provide similar functionalities without the associated health and environmental risks of DBP. Alternatives aim to maintain the desired plasticizing effects such as flexibility, durability, and longevity in products, while adhering to stricter regulatory standards focused on minimizing toxicity. A commonly used alternative is Diisononyl phthalate (DINP), which is seen as a safer option compared to DBP due to its larger molecular size that minimizes the potential for leaching and absorption into the human body. DINP offers similar plasticizing properties and is less volatile, reducing its ability to accumulate in the environment and living organisms. It is used in similar applications as DBP, including in PVC products, and has been adopted widely due to its favorable safety profile as indicated in several regulatory reviews. Another alternative is Acetyl Tributyl Citrate (ATBC), a non-phthalate plasticizer often used in medical plastics, toys, and packaging materials. ATBC's biocompatibility and low toxicity make it a preferred choice in products that require close human contact or are used in medical applications. It provides effective plasticizing qualities, enhancing flexibility and workability in polymers much like DBP, while its biodegradability speaks to its environmental benefits. Another viable alternative is Dioctyl Terephthalate (DOTP), which is favored for its low volatility, durability, and good overall safety profile. Unlike traditional phthalates, DOTP does not carry the same concerns regarding endocrine disruption, making it suitable for a variety of uses, including flooring, wall coverings, and personal care products. Its functional qualities such as resistance to wear, flexibility, and transparency make it a compelling choice for industries looking to phase out DBP. In comparing effectiveness, these alternatives generally meet or exceed the performance characteristics of DBP in terms of elasticity and functionality in end products. However, their adoption is often based on specific product requirements and cost considerations, as some alternatives might carry higher production costs. Despite this, the increase in consumer demand for safer, non-toxic products and stricter regulatory landscapes encourages the transition towards these greener, safer solutions. Consequently, continued research into developing even more sustainable plasticizers ensures that industries can effectively replace phthalates like DBP without compromising on product quality or safety.

What role does Dibutyl-O-phthalate play in product development, particularly in the cosmetics and beauty industry?

In the realm of product development, Dibutyl-O-phthalate (DBP) plays a crucial role due to its chemical properties that enhance the functional attributes of a product, particularly within the cosmetics and beauty industry. This compound is prized for its ability to act as a plasticizer and solvent, which makes it invaluable in formulating products that benefit from improved flexibility, durability, and smooth application. In cosmetics, DBP is prominently used in nail polish formulations. Its primary function here is to prevent the polish from becoming brittle once applied, by maintaining its flexibility. This ensures that the polish is less susceptible to chipping, cracks, or loss of adhesion over time. The addition of DBP allows nail polishes to achieve a longer-lasting finish, providing enduring aesthetic appeal and color vibrancy, which are critical selling points for cosmetic brands. Beyond nail polish, DBP can also be found in other beauty products like hair sprays, where its role is to enhance flexibility. By adjusting the mechanical properties of the resin used in formulations, DBP helps create a styling product that holds hair in place while allowing for natural movement. This attribute is particularly important in achieving hairstyles that are both secure and natural-looking, addressing consumer demand for both functionality and natural aesthetics. DBP's solvent properties also make it an effective carrier for fragrances in many cosmetic formulations. By improving the solubility of fragrances and enhancing their release, DBP helps to maintain the intended scent profile, ensuring product consistency and olfactory appeal. Despite its benefits, the use of DBP in the beauty industry has led to significant discussions around safety and regulation. Growing consumer awareness and regulatory actions have led many manufacturers to reconsider and reformulate their products to exclude DBP, opting instead for alternative substances that do not carry potential health risks. The shift has pushed the industry toward innovation and the adoption of safer, more sustainable ingredients while maintaining product integrity and performance standards. As a result, DBP's role in contemporary product development is increasingly focused on balancing its functional advantages against potential health concerns, driving ongoing research and development in the cosmetics industry.