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Chemical Sampling Information (CSI)
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General Description

Synonyms: Benzenamine, 4,4' Carbonimidoyl bis(N,N' dimethyl-); Aniline, 4,4' - (imidocarbonyl) bis (N,N - dimethyl - , hydrochloride

OSHA IMIS Code Number: A609

Chemical Abstracts Service (CAS) Registry Number: 492-80-8 (Benzenamine, 4,4' Carbonimidoyl bis(N,N' dimethyl-)); 2465-27-2 (Aniline, 4,4' - (imidocarbonyl) bis (N,N - dimethyl - , hydrochloride)

Chemical Description and Physical Properties:

molecular formula: C17H21N3 (492-80-8); C17H21N3ClH (2465-27-2)
molecular weight: 267.41 (492-80-8); 303.87 (2465-27-2)

Health Factors

Carcinogenic Classification:

International Agency for Research on Cancer (IARC): Group 1, carcinogenic to humans (Manufacture); Group 2B, possibly carcinogenic to humans (Technical-Grade) [139 KB PDF, 2 pages]

Monitoring Methods used by OSHA

Laboratory Sampling/Analytical Method:

  • sampling media: Glass Fiber Filter (37 mm)
    analytical solvent: Isopropanol
    maximum volume: 100 Liters
    maximum flow rate: 1.0 L/min
    current analytical method: High Performance Liquid Chromatography; HPLC/UV/VIS
    method reference: OSHA SLTC In-House File
    method classification: Partially Validated
    note: This method does not distinquish Auramine from Auramine Hydrochloride.

Conditions: Column: Nucleosil 5 micrometer dimethylamino LC column (or similar amino-type column); Mobile Phase: 77:13:10 Isooctane:Isopropanol:Methanol; Detector Wavelength: 254 or 340nm; Analytical detection limit: 5 ng per 50 uL injection at 340 nm.

Wipe Sampling Method:

  • sampling media: Glass Fiber Filter

Bulk Method:

  • Limit the amount of bulk submitted to one gram or one mL.
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