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Chemical Sampling Information (CSI)
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General Description

Synonyms: 2-Cyanoacrylic Acid, Methyl Ester; Methyl alpha-Cyanoacrylate; 2-Propenoic Acid-2-cyano-methyl Ester; Methyl Cyanoacrylate

OSHA IMIS Code Number: 1735

Chemical Abstracts Service (CAS) Registry Number: 137-05-3

NIOSH Registry of Toxic Effects of Chemical Substances (RTECS) Identification Number: AS7000000; 4217

NIOSH Pocket Guide to Chemical Hazards, Methyl 2-cyanoacrylate: chemical description, physical properties, potentially hazardous incompatibilities, and more

Chemical Description and Physical Properties:

clear colorless liquid, acrid odor; reacts with water
molecular weight: 111.11
boiling point: 48-49°C (2.5-2.7 mm)
vapor pressure: < 2 mm at 25°C

Exposure Limits

American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value (TLV): 0.2 ppm TWA

National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Limit (REL): 2 ppm TWA, 4 ppm STEL

Health Factors

Health Effects: Irritation-Eye, Nose, Throat, Skin---Moderate (HE15) HISTORY M186 lab 3/82

Monitoring Methods used by OSHA

Primary Laboratory Sampling/Analytical Method (SLC1):

  • sampling media: Coated XAD-7 Tube (80/40 mg sections, 20/60 mesh); Coating is Phosphoric Acid
    analytical solvent: Acetonitrile containing 0.2% Phosphoric Acid
    maximum volume: 12 Liters
    maximum flow rate: 0.1 L/min (TWA)
    maximum volume: 3 Liters
    maximum flow rate: 0.2 L/min (STEL)
    current analytical method: High Performance Liquid Chromatography; HPLC/UV
    method reference: 2 (OSHA 55)
    method classification: Fully Validated
    note: OSHA personnel may obtain sampling tubes from the Salt Lake Technical Center. Collected samples must be kept at reduced temperature and shipped with dry ice to the Salt Lake Technical Center.

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