O O'-Dioctadecylpentaerythritol bis(phosphite)
o-Cresol
o-Cresolphthalein
o-Phenanthroline
O/W (oil-in-water) emulsifier
O2Si
O3SrTi
O3Ti2
O8P2Zn3
OAD
OCIMENE
Octabenzone
Octadecanamide
Octadecanamine
Octadecanethiol
Octadecy trimethyl ammonium bromide
Octadecyl Acrylate/Stearyl Acrylate
Octadecyl methacrylate
Octadecyltrimethoxysilane
Octamethylcyclotetrasiloxane
Octanal
Octanoic acid
Octocrylene
Octylamine
Octyltrimethylammonium chloride
ODTMS
Oil and fat antioxidant
Oil drilling fluid and completion fluid
Oil drilling mud dispersant
Oil recovery drive agent
Oil recovery surfactants
Oil spill adsorption material modifier
Oil well cement water reducer
Oilfield demulsifier
Oilfield drilling fluid additive
Oilfield scale inhibitor
Oilfield stabilizer
Oily wastewater treatment
Oleamide
OLED luminescent materials
Oleic acid
Oleyl alcohol
Oleylamine
OPEO
Optical fiber coating
Optical material additive
Optical materials
Oral care cooling agents
Organic acid extractant
Organic fertilizer
Organic phosphate
Organic phosphonate
Organic phosphonic acid
Organic phosphorus
Organic phosphorus scale inhibitor
Organic synthesis catalyst
Organic synthesis solvent
Organic synthetic fragrance
Orthoboric acid
OSi
OTi
Oxalic acid dihydrate
Oxamide
Oxybis(methyl-2 1-ethanediyl) diacrylate
Oxydipropyl dibenzoate
OZn
