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Chemical Sampling Information (CSI)
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General Description

Synonyms: Methylamine, m-Phenylene bis-; m-Phenylene-bis-(Methylamine); m-Xylylenediamine; 1,3-bis(aminomethyl)benzene; Xylenediamine

OSHA IMIS Code Number: 2592

Chemical Abstracts Service (CAS) Registry Number: 1477-55-0

NIOSH Registry of Toxic Effects of Chemical Substances (RTECS) Identification Number: PF8970000; 48641

Chemical Description and Physical Properties:

    molecular formula: C8H12N2
    molecular weight: 136.20
    boiling point: 265°C @ kPa


Exposure Limits

American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value (TLV): 0.1 mg/m3 Ceiling (Skin)

National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Limit (REL): 0.1 mg/m3 Ceiling (Skin)

Health Factors

Health Effects: Contact skin sensitizer (HE3); Irritation-Skin---Moderate (HE15)

Monitoring Methods used by OSHA

Laboratory Sampling/Analytical Method:

  • sampling media: Two Coated Glass Fiber Filters (37 mm) in 3 piece cassette. Coating is Sulfuric Acid.
    analytical solvent: 50mM 1-heptanesulfonic acid & 50mM Phosphate buffer in 75/25 Water/Acetonitrile at pH 3.0
    maximum volume: 15 Liters
    maximum flow rate: 1.0 L/min
    current analytical method: Liquid Chromatography; HPLC/UL58.
    method reference: OSHA Analytical Method (OSHA 105)
    sampling and analytical error: 0.08
    method classification: Fully Validated

Conditions:

  • column: Supelcosil(TM) LC-ABZ
    mobile phase: 50mM 1-heptanesulfonic acid & 50mM Phosphate buffer in 75/25 Water/Acetonitrile
    wavelength: 208 nm
    detection limit:

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