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Chemical Sampling Information (CSI)
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General Description

Synonyms: (1)RTECS 85-86

OSHA IMIS Code Number: A629

Chemical Abstracts Service (CAS) Registry Number: 50-78-2

NIOSH Registry of Toxic Effects of Chemical Substances (RTECS) Identification Number: VO0700000; 76971

Chemical Description and Physical Properties:

molecular weight: 180.15
melting point: 135°C
molecular formula: C9H8O4
Exposure Limits

National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Limit (REL): 5 mg/m3 TWA

Monitoring Methods used by OSHA

Primary Laboratory Sampling/Analytical Method (SLC1):

  • sampling media: Glass Fiber Filters (37 mm)
    analytical solvent: Methanol
    maximum volume: 120 Liters
    maximum flow rate: 1.0 L/min
    current analytical method: High Performance Liquid Chromatography; HPLC/UV
    method reference: 2 (OSHA In-house File)
    method classification: Not Validated
    article: Reference: Bagon, D.A.; Warwick, C.J. "Anal. Proc." 1982, Nov. 519-522.

Conditions: Column: C18

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