| Name | Anoxomer |
| Synonyms | D02949 ANOXOMER Anoxomer poly AO-79 Anoxomer (usan) |
| CAS | 60837-57-2 |
| Molecular Formula | (C15H16O2.C10H14O2.C10H14O.C10H10.C7H8O2.C7H8O)x |
| Physical and Chemical Properties | Dispersive grayish white powder. Insoluble in water, glycerin and propylene glycol. Easily soluble in ethanol and vegetable oil, easily soluble in diethyl ether, chloroform, benzene and acetone. Bulk density 0.5 g/ml. |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| content analysis | principle observes the unique maximum wavelength (λmax) of the sample under ultraviolet absorption and the absorbance at this wavelength. Reagent 1, 4-dioxane, reagent grade. Standard samples with a purity higher than 99%, or other purity samples strictly determined by using samples with a purity of 99%. Instrument UV-visible spectrophotometer, such as Cary 118 or corresponding model. A pair of matched quartz absorption cells with an optical path length of lcm. The operation accurately weighed 1 standard sample and 3 samples, each 10 ~ 1mg, and placed in a 14ml vial. Each transfer into dioxane 10ml. Shake after tight with a foil-lined lid, or use a rotating agitator to dissolve it as a liquid storage. Carefully suck 2.00ml of each liquid storage respectively, move into a 20ml vial (lid with foil lining), and accurately add 18.00ml of dioxane each. This is used as an analytical fluid. According to the following steps and conditions: turn on the ultraviolet lamp (heating time is 30min); The selection switch is aligned with ultraviolet rays; The baseline adjustment switch is aligned with ultraviolet rays; Automatic amplification wave pattern; 2.0 absorbance range; The wavelength conversion rate is 1.0nm/s; The recording paper speed is 50nm/2.5cm; The slit is 0.1mm. The sample and the reference are both filled with dioxane in the absorption cell, scanned from 350nm to 230nm, which is the baseline. Empty the sample pool, rinse with sample liquid, then fill the sample liquid and scan from 350nm to 250nm. Repeat the operation steps with each sample liquid and standard liquid. The λmax (about 287nm) for each sample and standard sample was recorded, and the absorbance (A) at λmax and 264nm was recorded. Calculate the optical coefficients of standard samples and samples according to Beer's law: if the optical path length of the absorption cell is lcm, then αλmax = αλmax/c, where αλmax-the absorption coefficient at λmax/c; Aλmax -- absorbance at λmax; C -- concentration, mg/ml. The content of each sample is calculated according to the following formula: content (mass%)= α sample/α sample × purity of standard sample (mass%) where α sample-average absorption coefficient of sample liquid at A; Alpha sample-average absorption coefficient of standard liquid at Amax. α264 = A264/c where α264 -- absorbance coefficient at 264nm; A264 -- absorbance at 264nm; c -- concentration, mg/ml. In addition, calculate the ratio of λmax to α264 of the sample and the standard sample according to the following formula: absorbance coefficient ratio = αλmax/α264 |
| toxicity | Adl 0~8 mg/kg(FAO/WHO,2001). Because it is a macromolecular substance, it cannot be absorbed by digestive organs, so its toxicity to the human body is extremely low. |
| use limit | 5000 mg/kg, based on the amount of fat in food (FDA,2000). |
| use | antioxidant. It can be widely used in various oils and oily foods. |
| Production method | It is obtained by polycondensation of divinylbenzene (m-or p-position) with tert-butylphenol (TBHQ), tert-butylphenol, hydroxyanisole, p-cresol and 4,4 '-isopropenyldiphenol. |