Harcros NP 9

NP 9 is an anhydrous liquid nonionic surface-active agent produced by the reaction of nonylphenol with 9.5 moles of ethylene oxide.

Chemical Family: Non-Ionics

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Enhanced TDS

Identification & Functionality

Features & Benefits

Agrochemicals Features
HII Features
Industrial Additives Features
Product Features

Due to its nonionic structure, this product is compatible with anionic surfactants and is stable in the presence of acids, bases, and salts. It should not be mixed with concentrated oxidizing or reducing agents since the mixture of these compounds with organic compounds could form a potentially explosive mixture.

Applications & Uses

Applicable Processes
Application Format
Home Care Applications
I&I Cleaning Applications
Industrial Additives End Use
Personal Hygiene Applications
Product Applications
  • Agriculture: Can be used as an emulsifier and wetting agent in preparation of agricultural toxicant formulations.
  • Paper Processing:  A superior rewetting agent for increasing the absorbency of paper towels, blotting paper and other absorbent papers. Other uses include de-inking, de-resination, felt washing, leveling colors, pitch control and re-pulping.
  • Wetting Agent: A superior wetting agent and rewetting agent for general applications: dust settling, corrosion inhibitors, metal cleaners, and pickling, “wetter water” for fire fighting.
  • Detergents & Cleaning Specialties:  Versatile in formulating a variety of household and industrial cleaning products such as all purpose liquid detergents, controlled foaming heavy duty laundry detergents, abrasive cleaners, silver polishes, copper cleaners, floor cleaners, porcelain cleaners, window cleaners, and waterless hand cleaners. Industrial applications include acid cleaners, alkaline soak tank cleaners, soak tank cleaners, and electrolytic cleaners.
  • Textiles: Successfully used for scouring textiles in all stages of manufacture. The wetting ability, emulsifying properties and dispersing action makes it valuable in other textile applications such as bleaching, desizing, dyeing, printing, soaping, carbonizing and as an emulsifier for polyethylene.
  • Petroleum: Used in water floods of secondary oil recovering operations.


Physical Form
Soluble In
Clear colorless anhydrous liquid
Compatible with
Anionic surfactants
Soluble in
Butyl cellosolve, Carbon tetrachloride, Ethanol, Ethylene glycol, Xylene, Water, HAN, Toluene
Insoluble in
Kerosene, mineral oil, stoddard solvent
Typical Properties
ValueUnitsTest Method / Conditions
Water Contentmax. 0.5%-
Cloud Point (at 1% Aqueous)52 - 56°C-
pH (at 1% Aqueous)5.0 - 8.0--
Colormax. 150-APHA
HLB Value13.0--

Packaging & Availability

Storage & Handling

Handling and Toxicity Information

This product is regarded as non-hazardous. However, it is considered to possess low acute oral and skin penetration. It should not be used in products for internal use. Caution: This product causes eye irritation. Direct contact would likely result in corneal injury which might persist for a week or longer. Permanent damage is not likely to occur. However, if in contact with skin or eyes, flush with excess water and consult your physician.

Storage Information

The product can be stored in plain steel tanks with piping, valves, and pumps of the same metal. Aqueous solutions of Surfactants must be stored in stainless steel or plastic lined tanks. The nonyl phenol-ethylene oxide adducts are slightly hydroscopic. Where it is necessary to guard against atmospheric moisture pick-up, an inert gas blanket may be used.