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Chemical Sampling Information (CSI)
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General Description

Synonyms: Glycol dinitrate; Nitroglycol; Dinitroglycol; EGDN; Glycerin trinitrate

OSHA IMIS Code Number: 1910

Chemical Abstracts Service (CAS) Registry Number: 628-96-6

NIOSH Registry of Toxic Effects of Chemical Substances (RTECS) Identification Number: KW5600000; 35576

Chemical Description and Physical Properties:

colorless to yellow, oily liquids
molecular weight: 152
vapor pressure: 0.05 mm
boiling point: 237°F Explodes
melting point: -9°F

Incompatibilities: Acids

Exposure Limits

OSHA Permissible Exposure Limit (PEL):

General Industry: 0.2 ppm, 1 mg/m3 Ceiling (Skin); See also Nitroglycerin

Construction Industry: 0.2 ppm, 1 mg/m3 Ceiling (Skin)

American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value (TLV): 0.05 ppm, 0.31 mg/m3 TWA (Skin)

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

Health Factors

Potential Symptoms: Throbing head; dizziness; nausea, vomiting, abdominal pain; hypotension; flush; palpitations; methemoglobinemia; delirium, depressed CNS; angina; skin irritation; In animals: anemia; mild liver, kidney damage

Health Effects: Cumulative blood pressure lowering (Hypotension) (HE3) Headache (HE7) HISTORY E606 lab 3/82

Affected Organs: CVS, blood, skin

Monitoring Methods used by OSHA

Primary Laboratory Sampling/Analytical Method (SLC1):

  • sampling media: Tenax GC Tube (100/50 mg sections, 35/60 mesh)
    analytical solvent: Methanol
    maximum volume: 15 Liters
    maximum flow rate: 1.0 L/min (STEL)
    minimum time: 15 Minutes
    maximum flow rate: 1.0 L/min (Ceiling)
    current analytical method: High Performance Liquid Chromatography; HPLC/TEA &/or UL57.
    method reference: 2 (OSHA 43)
    sampling and analytical error: 0.11
    method classification: Fully Validated
    note: The sampling pump must be approved by NIOSH and/or MSHA as intrinsically safe for use in coal mines.

Conditions: Column: CN Mobile Phase: 90:6:4 Isooctane:Isopropanol:Methanol Detector Wavelength: 214 nm Detection Limit: 2.93 ng/inj

Secondary Laboratory Sampling/Analytical Method (SAM2):

  • device: Detector Tube
    company: Draeger
    part #: 67 18201
    range: 0.25 ppm
    class: Mfg

Bulk Method:

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

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