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Chemical Sampling Information (CSI)
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General Description

Synonyms: Acrylic Acid, 2-Hydroxypropyl Ester; beta-Hydroxypropyl Acrylate; Propylene Glycol Monoacrylate

OSHA IMIS Code Number: H156

Chemical Abstracts Service (CAS) Registry Number: 999-61-1

NIOSH Registry of Toxic Effects of Chemical Substances (RTECS) Identification Number: AT1925000; 4256

Chemical Description and Physical Properties:

liquid
molecular weight: 130.14
molecular formula: C6H10O3
boiling point: 77°C at 5 mm

Exposure Limits

American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value (TLV): 0.5 ppm, 2.8 mg/m3 TWA (skin); SEN

National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Limit (REL): 0.5 ppm TWA (skin)

Monitoring Methods used by OSHA

Primary Laboratory Sampling/Analytical Method (SLC1):

  • sampling media: Coated Charcoal Tube (100/50 mg sections) Coating is 10% 4-t-butylcatechol
    analytical solvent: (95:5) Methylene Chloride: Methanol
    maximum volume: 10 Liters
    maximum flow rate: 0.10 L/min
    current analytical method: Gas Chromatography; GC/FID
    method reference: 2 (OSHA PV2078)
    method classification: Partially Validated

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