NAME: Hydrogen Selenide (as Se)
SYNONYM(s):
Selenium hydride
IMIS: 1475
CAS: 7783-07-5
NIOSH: RTECS MX1050000
DOT: 2202 18
DESCRIPTION:
Colorless gas with a very offensive odor.
MW:
81
BP:
-42 F
VP:
>1 atm
MP:
-87 F
INCOM:
Oxidizers, acids, water, halogenated hydrocarbons
Exposure Limits
OSHA GENERAL INDUSTRY PEL:
0.05 ppm, 0.2 mg/m3
OSHA CONSTRUCTION INDUSTRY PEL:
0.05 ppm, 0.2 mg/m3 TWA
ACGIH TLV:
0.05 ppm, 0.16 mg/m3 TWA
NIOSH REL: 0.05 ppm TWA
Health Factors
SYMPTOM(s):
Eye, nose, throat irritation; nausea, vomiting, diarrhea; metallic
taste, garlic breath; dizziness; lassitude, fatigue; In animals:
pneumonitis; liver damage
HEALTH EFFECTS:
Acute lung damage (HE11)
Cumulative CNS effects (HE7); Liver damage
(HE3)
Irritation-Eyes, Nose, Throat---Marked (HE14)
ORGAN:
Respiratory system, eyes
Monitoring
PRIMARY SAMPLING/ANALYTICAL METHOD (SLC1):
MEDIA:
Midget Fritted Glass Bubbler (MFGB) containing 10 mL Deionized Water
MAX V:
480 Liters MIN V:
240 Liters MAX F:
1.0 L/min
ANL 1:
Atomic Absorption Spectroscopy; AAS
REF:
2 (OSHA In-House File)
CLASS:
Not Validated
NOTE:
Analysis is performed for total Selenium. Proposed sampling and analytical method follows OSHA ID-105
SECONDARY SAMPLING/ANALYTICAL METHOD (SAM2):
DEVICE: Detector Tube
COMPANY: Kitagawa
PART #: 167S
RANGE: 1-600 ppm
CLASS: Mfg
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