1、Chemicals in this assessment
While there are 2-year dietary toxicity studies available for rosin (CAS No. 8050-09-7), hydrogenated rosin (CAS No. 65997-06-0) and polymerised rosin (CAS No. 65997-05-9) these were performed by a laboratory which was reported in the REACH dossier to have conducted fraudulent work during a period after the studies were conducted and therefore ...
2、全氢化松香_化工百科
氢化松香又称氢松香或负氢松香，是将松香通过催化加氢反应转化而成的产物。 下面是有关氢化松香的性质、用途、制法和安全信息的介绍： 外观：无色或微黄色固体。 溶解性：可溶于常见有机溶剂，如醚、酮和芳烃，不溶于水。 黏合剂：用作胶合剂的组成部分，可以粘接木材、胶合板和纸板等。 增稠剂：用于调整涂料、油漆和油墨的粘度。 增韧剂：可添加到塑料中，增加塑料的柔韧性和延展性。 电子产业：用于电子元件的封装和固定。 氢化松香的制备通常通过将松香与氢气在催化剂存在下进行反应。 常用的催化剂包括镍、钴和铜等。 氢化松香在正常使用环境下是相对安全的，但应避免过量暴露或长期接触。 接触皮肤后，及时用温和的肥皂和水清洗。 避免吸入氢化松 …
3、Rosin, Hydrogenated Rosin and their Salts
Rosin, hydrogenated (CAS# 65997 -06 -0): Based on a lack of adverse treatment-related effects observed at the highest concentration tested, the systemic toxicity NOAEL for Rosin, hydrogenated was determined to be 6000 ppm for either sex (equivalent to a mean achieved dosage of 334.5 mg/kg bw/day for males and 399.8 mg/kg bw/day for females).
4、AX
Resins are prone to gradual oxidation, some more so than others. This could result in darkening and/or it could have an adverse effect on the solubility of the resin in organic solvents or on its compatibility with polymers.
5、EWG Skin Deep®
Hydrogenated Rosin is an end-product of the controlled hydrogenation of Rosin (q.v). See how this product scores for common concerns. Cosmetics and personal care products are not required to be tested for safety before being allowed on the market.
Rosin, hydrogenated
Cosmetics product ingredient: Rosin, hydrogenated Reason for Listing: Listed as Persistent, Bioaccumulative, and Inherently Toxic to the environment by the Canadian Environmental Protection Act Environmental Registry Domestic Substances List.
Is Hydrogenated Resin Oligomer Toxic?
Hydrogenated Petroleum Resin (Hydrogenated C5/C9 Resin, Saturated Hydrocarbon Resin):Produced by hydrogenating petroleum resin, converting unsaturated hydrocarbons into saturated ones, enhancing color stability, odor reduction, and weather resistance.
Hydrogenated Rosin Resins
In the industry, it is widely recognized that crude gum rosin has two major drawbacks. Firstly, its abietic acid resin contains conjugated double bond structures, making it prone to oxidation, This resulting in a darker resin color that ultimately affects its applications.
repCERT_M011_MSDS
Approach fire from upwind to avoid hazardous vapors and toxic decomposition products. Move containers from fire area if this can be done without risk. Avoid breathing dust/fume. Prevent run off from fire control dilution from entering streams or drinking water supply.
H4R Position on the ongoing CLH assessment of Rosin and its Derivatives
In chemical nomenclature the terms “rosin” and “rosin acids and resin acids” are essentially synonymous.
In modern industry, highly hydrogenated rosin resin is widely used as a critical synthetic material in sectors such as plastics, rubber, and paints. alongside its extensive applications, public concern about its safety has grown. This article explores the safety issues of highly hydrogenated rosin resin, including its toxicity, potential health impacts, and methods to mitigate risks through proper handling and control.
Toxicity Manifestations of Highly Hydrogenated Rosin Resin
Highly hydrogenated rosin resin is derived from petroleum refining and consists of high-molecular-weight compounds containing numerous unsaturated carbon-carbon double bonds. These double bonds make the resin highly reactive, enabling it to interact with various chemicals. When exposed to air, the resin gradually oxidizes, forming peroxides, which are toxic and can adversely affect human health.
Additionally, the resin contains volatile organic compounds (VOCs) such as benzene and toluene. Under specific conditions, these substances may be released into the air, posing environmental and health risks.
Potential Health Impacts of Highly Hydrogenated Rosin Resin
Prolonged or high-dose exposure to highly hydrogenated rosin resin may lead to several health issues. For instance, inhaling excessive VOCs can cause respiratory irritation, coughing, and asthma-like symptoms. Skin contact may trigger allergic reactions, such as rashes and itching. Furthermore, the double-bond structure in the resin can form complexes with certain metal ions (e.g., iron, copper), potentially disrupting physiological functions.
Risk Mitigation Through Proper Handling and Control
To reduce the risks associated with highly hydrogenated rosin resin, appropriate measures are essential. First, prioritize the use of low-toxicity or non-toxic alternatives during production and application to minimize environmental pollution and harm to human health. Waste materials should be disposed of strictly in accordance with regulations to prevent arbitrary discarding. Additionally, environments where the resin is used should be well-ventilated to lower the concentration of airborne hazardous substances.
For personnel working with highly hydrogenated rosin resin, regular health screenings are crucial to detect and address potential health issues early. Sensitive populations, including pregnant women, children, and the elderly, should avoid contact with the resin and its derivatives.
highly hydrogenated rosin resin exhibits toxicity and may harm both the environment and human health. its risks can be effectively mitigated through proper handling and control measures. Industries should prioritize low-toxicity or non-toxic alternatives, ensure proper waste management, and strengthen regulatory oversight. Equally important is safeguarding the health of workers through regular check-ups and preventive measures.
