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Chemical Sampling Information (CSI)
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General Description

Synonyms: diethylene diamine; pyrazine hexahydride; piperazidine

OSHA IMIS Code Number: P250

Chemical Abstracts Service (CAS) Registry Number: 110-85-0

Chemical Description and Physical Properties:

molecular weight: 86.14
boiling point: 145
melting point: 105
flash point: 229°F (109°C)

Health Factors

Potential Symptoms: eye, skin, and mucous membrane severe irritant

Health Effects: moderately toxic by ingestion, skin contact, intravenous, and subcutaneous routes

Monitoring Methods used by OSHA

Primary Laboratory Sampling/Analytical Method (SLC1):

  • sampling media: Coated XAD-2 tubes (80/40 mg sections, 16/50 mesh) coated with 10% (W/W) 1-Naphthylisothiocyanate
    analytical solvent: di methyl formamide
    maximum volume:     10 Liters
    maximum flow rate: 0.1 L/min
    current analytical method: High Performance Liquid Chromatography; HPLC/UV
    method reference: 2 (OSHA In-House)
    method classification: Not Validated

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