Characterization of 2-Bromopropane Purity

2‐BP of reagent grade (Wako 1st grade, greater than 99.7% pure) was obtained from Fujifilm Wako Pure Chemical Industries, LTD. Each lot of 2‐BP used in the present study was analyzed for identity by mass spectrometer and for stability by gas chromatography prior to and after use. The mass spectrometry peak was consistent with the literature values for 2‐BP, confirming the identity of 2‐BP. No aberrant gas chromatography peaks were detected before or after use of each lot substances, confirming the stability of the 2‐BP used in the present study. Additionally, 2‐BP in the chambers was monitored using gas chromatography, and no aberrant gas chromatographic peaks of 2‐BP were detected in the inhalation exposure chambers.

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Senoh H., Kasai T., Hirai S., Furukawa Y., Misumi K., Goto Y., Takanobu K., Matsumoto M., Fukushima S, & Aiso S. (2023). Multi‐organ carcinogenicity by inhalation exposure to 2‐Bromopropane in rats. Journal of Occupational Health, 65(1), e12388.

Publication 2023

Wako 1st grade

Gas chromatographic Inhalation exposure Mass spectrometry No bp Substances use

Corresponding Organization : Japan Organization of Occupational Health and Safety

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Variable analysis

independent variables

2-BP of reagent grade (Wako 1st grade, greater than 99.7% pure)

dependent variables

Identity of 2-BP by mass spectrometer
Stability of 2-BP by gas chromatography before and after use
2-BP levels in the inhalation exposure chambers

control variables

Each lot of 2-BP was analyzed for identity and stability prior to and after use
No aberrant gas chromatography peaks were detected before or after use of each lot substances
2-BP in the chambers was monitored using gas chromatography, and no aberrant gas chromatographic peaks of 2-BP were detected in the inhalation exposure chambers

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