DROMETRIZOLE TRISILOXANE
DROMETRIZOLE TRISILOXANE
CAS: 155633-54-8
Molecular Formula: C24H39N3O3Si3
DROMETRIZOLE TRISILOXANE - Names and Identifiers
DROMETRIZOLE TRISILOXANE - Physico-chemical Properties
| Molecular Formula | C24H39N3O3Si3 |
| Molar Mass | 501.84 |
| Density | 1.06±0.1 g/cm3(Predicted) |
| Boling Point | 530.6±60.0 °C(Predicted) |
| Storage Condition | 2-8°C |
DROMETRIZOLE TRISILOXANE - Determination of cresotrazole and cresotrazole trisiloxane in sunscreen cosmetics by high performance liquid chromatography
Author:
time , Song Xiaohua , Xu Chenggang , Zhang Hongwei , Wang Shujie
Abstract:
A reversed-phase high performance liquid chromatographic method was developed for the determination of cresotrazole and cresotrazotrisiloxane in sunscreen cosmetics. Sunscreen cosmetics were extracted with water-tetrahydrofuran-methanol solvent, filtered, and separated on an Agilent C18 column (250 × 4.6, 5 μm) with formic acid/water (0.1%).-Methanol-tetrahydrofuran (2:9:9,V/V/V) for mobile equivalence elution, detection wavelength at 340 nm, high performance liquid chromatography-diode array detector (HPLC-DAD) qualitative and quantitative analysis was performed. The linear range of the two kinds of sunscreen was 5.0~500 mg/L, the correlation coefficient was 0.999, the limit of quantification was 5.0 mg/kg, the recovery rate was 90% ~ 110%, the relative standard deviation (n = 6) was less than 10%. The method is suitable for the simultaneous determination of cresotrazole and cresotrazole trisiloxane in sunscreen cosmetics.Key words:
high performance liquid chromatography; Sunscreen; cosmetics; Cresotrazole; Cresotrazole trisiloxane
DOI:
10.13595/j.cnki.issn1000-0720.2016.0317
year:
2016
Last Update：2024-01-02 23:10:35
DROMETRIZOLE TRISILOXANE - Determination of hexyl diethylaminohydroxybenzoyl benzoate and cresyltrazotrisiloxane in sunscreen cosmetics by high performance liquid chromatography
from VIP Journal Professional Edition
Author:
smear Xiaoqin , Salix , Meng Qingyu , Yin Shuai
Abstract:
A high performance liquid chromatographic method was developed for the simultaneous determination of hexyl diethylaminohydroxybenzoyl benzoate and cresyltrazotrisiloxane in sunscreen cosmetics. Accurately weigh a certain amount of mixed sample, after extraction and filtration by mobile phase (V mass fraction 0.1% formic acid/water: V methanol: V tetrahydrofuran = 2:6:2), using Welch Xtimate? A C18 column (250 × 4.6 × 5 μm) was used for separation, followed by gradient elution with this mobile phase. The detection wavelengths were 305 nm and 355 nm, respectively. The two kinds of sunscreen had good linearity in the corresponding concentration range (r>0.999), the recovery rate was 85% ~ 107%, and the relative standard deviation was less than 3%. The method is simple, accurate, sensitive and suitable for the determination of two kinds of sunscreen in cosmetics.Key words:
hexyl diethylaminohydroxybenzoyl benzoate cresotrozole trisiloxane HPLC
DOI:
CNKI:SUN:XLXJ.0.2020-01-013
year:
2020
Last Update：2023-08-16 22:05:47
DROMETRIZOLE TRISILOXANE - Sunscreen composition containing cresotrazotrisiloxane to reduce fabric dyeing
Application (patent) number:
201980062922
applicant (patent):
BASF Europe
inventor:
M · som ,S · KRAS B · Lindman ,J. Grumerard
Last Update：2023-08-16 22:05:47
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