Question

Precautions for using OP-21 Octylphenol Polyoxyethylene Ether?

Answer
2026-05-17 官方文档 OP-21辛基酚聚氧乙烯醚

OP-21 Octylphenol Polyoxyethylene Ether requires special attention to skin/eye irritation, reproductive toxicity risks, and aquatic environmental hazards. Comprehensive protection must be taken before operation, and safety operating procedures must be strictly followed.

Detailed Explanation

OP-21 Octylphenol Polyoxyethylene Ether is a high-performance nonionic surfactant. Although it has excellent functionality, its octylphenol structural group imparts certain health and environmental risks to the product. According to its GHS hazard classification, this product falls under skin irritation Category 2, serious eye damage Category 2A, reproductive toxicity Category 2, and poses both acute and chronic hazards to the aquatic environment. During use, operators must fully understand these potential risks and implement corresponding protective measures throughout the entire process.

The core risks of this product originate from two aspects: first, the degreasing and irritant effects of the surfactant itself on skin and mucous membranes; second, the endocrine-disrupting properties (estrogen-like activity) of the octylphenol group. Long-term or repeated high-dose exposure may adversely affect the reproductive system. In addition, the product can gradually degrade in the environment into octylphenol, which has stronger endocrine-disrupting activity and persists in the environment, so waste disposal also requires great attention.

Personal Protective Requirements

Protected AreaRequired Protective EquipmentDescription
HandsProtective gloves (e.g., nitrile rubber, chloroprene rubber)Prevent direct skin contact, avoid redness, dryness, and cracking
EyesSafety goggles or face shieldPrevent splashes into eyes, avoid severe eye irritation (pain, tearing, conjunctival congestion)
BodyProtective clothingReduce risk of extensive skin exposure
RespiratoryUsually no special protection required under good ventilation; wear dust/mist mask if aerosols are generated or when heatingHeated vapor or aerosols may irritate respiratory tract mucous membranes

Operating Precautions

Before operation: Must obtain special safety guidance (GHS precautionary statement P201) before use, carefully read the Safety Data Sheet (SDS), and fully understand the product's hazard characteristics and emergency measures. The workplace should be equipped with emergency eyewash and shower facilities to allow immediate flushing in case of accidental contact.

During operation: Keep the work area well-ventilated, avoid inhaling vapor or aerosols when heating the product. Do not eat, drink, or smoke in the work area to prevent accidental ingestion. After operation, thoroughly wash hands and any possibly contacted skin areas in accordance with P264. If open operation or splash risk exists, safety goggles and protective gloves must be worn throughout.

Emergency response: If accidentally enters eyes, immediately rinse with plenty of water for several minutes (P305+P351+P338). If wearing contact lenses, remove them and continue rinsing. If irritation persists, seek medical attention (P337+P313). For skin contact, wash thoroughly with plenty of water and soap (P302+P352). If concerned about exposure or feeling unwell, seek medical attention promptly (P308+P313).

Storage and Waste Disposal

  • Storage conditions: Store in a locked dedicated storage area (P405), away from food, feed, and incompatible materials. Keep container tightly sealed, stored in a cool, dry, well-ventilated place. The product appears as a white to light yellow waxy paste, with consistency varying with temperature. Recommended storage temperature should be maintained within an appropriate range to avoid excessive or low temperatures affecting product quality.
  • Spill handling: In case of a spill, collect the spilled material promptly (P391), use inert absorbent materials (e.g., sand, vermiculite) to cover and sweep up, place in a dedicated container for disposal, prevent entry into drains or water bodies.
  • Disposal: Dispose of contents and container in accordance with local/national/international hazardous waste regulations by a qualified professional agency (P501). Do not discharge into water bodies or soil. The product is toxic to aquatic organisms with long-lasting effects (H411), so any environmental release must be strictly prohibited.

Special Population Protection

Since this product is classified as reproductive toxicity Category 2 (H361, suspected of damaging fertility or the unborn child), women of childbearing age, pregnant women, and those planning pregnancy should avoid long-term or repeated exposure to the product environment. Relevant personnel should undergo regular occupational health examinations, focusing on liver and kidney function and reproductive health indicators. In addition, the octylphenol group has endocrine-disrupting properties; although bioaccumulation potential is low to moderate (log Kow approx. 3.5–4.8), long-term exposure still requires vigilance.

Physical and Chemical Safety Information

ItemParameter
AppearanceLight yellow to light brown viscous liquid or paste
pH (1% aqueous solution, 25°C)6.0–8.0
Flash point (closed cup)>150°C
FlammabilityNot flammable, but thermal decomposition during fire may release irritating/toxic fumes (CO, CO₂, etc.)
Explosion hazardNone
Oxidizing propertiesNone

The above precautions are based on product safety data provided by Hai'an Guoli Chemical Co., Ltd. Before use, be sure to obtain and read the latest version of the Safety Data Sheet (SDS), and develop comprehensive safety operating procedures based on actual site conditions.