p-Hydroxyanisole is a phenolic compound used as a polymerization inhibitor in industrial monomer and resin systems. Also referred to as 4-methoxyphenol, MEHQ, and p-hydroxyanisole, this substance functions by scavenging free radicals, thereby moderating unintended chain initiation during processing and storage in polymerization inhibition applications. Identified under CAS 150-76-5, it is typically incorporated at controlled concentrations to stabilize reactive formulations. For industrial supply, it is offered with competitive factory pricing, supports customized specifications, and is provided with standard documentation including MSDS, TDS, COA, suitable for bulk supply.
p-Hydroxyanisole CAS 150-76-5
- CAS: 150-76-5
- Synonyms: p-Hydroxyanisole, 4-Methoxyphenol, MEHQ, Hydroquinone monomethyl ether
- Molecular Formula: C7H8O2
- Grade: Industrial grade 99%
- Package: 200kg iron drum or 50kg plastic drum packaging
Product Description
Product Name:P-hydroxyanisole
Appearance: White flake or waxy crystals
It is mainly used as a polymerization inhibitor, ultraviolet inhibitor, dye intermediate for vinyl plastic monomers, and BHA, an antioxidant used in the synthesis of edible oils and cosmetics. The following is about the properties, uses, preparation and safety of the compoundP-hydroxyanisole, alias 4-methoxyphenol, hydroquinone monomethyl ether, hydroquinone monomethyl ether, hydroquinone methyl ether, p-hydroxyanisol, p-methoxyphenol. White flakes or waxy crystals. It is soluble in ethanol, ether, ketones, benzene and ethyl acetate, and slightly soluble in water. It is mainly used as a polymerization inhibitor, ultraviolet inhibitor, dye intermediate for vinyl plastic monomers, and BHA, an antioxidant used in the synthesis of edible oils and cosmetics. The following is an introduction to the properties, uses, preparation methods and safety information of the compound:
Molecular Formula: C7H8O2
Molecular Weight: 124.14
CAS Number: 150-76-5
Density: 1.55 g/cm3
Flash Point: 230 °F
Water Solubility: 40 g/L (25°C)
Melting Point: 52.5°C (55-57°C)
Boiling point: 243°C
Solubility: soluble in ethanol, ether, ketones, benzene and ethyl acetate, slightly soluble in water
Use: Parahydroxanthin is an important intermediate in organic synthesis. Polymerization inhibitors, ultraviolet inhibitors, dye intermediates used in the synthesis of edible oils and cosmetics antioxidants BHA, etc. It can also be used as an anti-aging agent, antioxidant, etc.
FAQ - Technical & Supply Chain
-
Q:
Is p-Hydroxyanisole commonly used as an industrial additive rather than a finished product?
A: It is typically applied as an industrial ingredient in polymer-related systems, where it serves a functional role in controlling polymerization behavior.
Documents
Documents and Product Support
For product review and sourcing evaluation, supporting documents can be coordinated according to the product type, inquiry stage, and order requirements.
- COA for batch-based quality reference
- TDS for key physical and chemical information
- SDS / MSDS for handling, storage, and safety reference
- Packing information for sample, trial, and bulk orders
- Technical communication based on application and specification requirements
Quotation
Information to Confirm Before Quotation
Clear sourcing information helps reduce specification mismatch and allows a more accurate quotation before sample or bulk order discussion.
- Product name and CAS number
- Application or intended end use
- Required purity, grade, or specification
- Sample quantity, trial order, or bulk demand
- Preferred packing form or net weight
- Destination country or port
- Required documents or compliance expectations
Storage & Handling
Packaging, Storage, and Handling Notes
Packaging form, storage conditions, shelf life, and shipment arrangements should be confirmed according to the product characteristics, package size, and destination requirements.
Before order confirmation, buyers are advised to review the corresponding product documents and confirm whether any special storage, labeling, or handling requirements apply.
Supply Support
Sample, Bulk Order and Repeat Supply Support
Support can be arranged for sample discussion, bulk supply planning, packaging confirmation, and routine sourcing communication based on the actual product and order requirements.
For repeat-use formulations or long-term procurement plans, buyers may discuss specification consistency, packaging preferences, delivery expectations, and document coordination in advance.
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