NAME: Pentaborane
SYNONYM(s):
Stable pentaborane; Pentaboron nonahydride
IMIS: 1986
CAS: 19624-22-7
NIOSH: RTECS RY8925000
DOT: 1380 75
DESCRIPTION:
Colorless liquid with a strong pungent odor; may ignite spontaneously
in air.
MW:
63
BP:
137 F
VP:
171 mm
MP:
-52 +
F
INCOM:
Oxidizers, halogens, halogenated compounds; impure material ignites
spontaneously
Exposure Limits
OSHA GENERAL INDUSTRY PEL:
0.005 ppm, 0.01 mg/m3
OSHA CONSTRUCTION INDUSTRY PEL:
0.005 ppm, 0.01 mg/m3 TWA
ACGIH TLV:
0.005 ppm, 0.013 mg/m3 TWA; 0.015 ppm, 0.039 mg/m3 STEL
NIOSH REL: 0.005 ppm TWA; 0.015 ppm STEL
Health Factors
SYMPTOM(s):
Dizziness; headaches; drowsiness, lightheadedness; incoordination;
tremors; tonic spasms in face, neck, abdomen, limbs; convulsions;
eye, skin irritation
HEALTH EFFECTS:
Acute and Cumulative CNS damage (HE4) and (HE7)
ORGAN:
CNS, eyes, skin
Monitoring
PRIMARY SAMPLING/ANALYTICAL METHOD (SLC1):
MEDIA:
Midget Fritted Glass Bubbler (MFGB) containing 15 mL Deionized Water
MAX V:
480 Liters MAX F:
1.0 L/min (TWA)
MAX V:
15 Liters MAX F:
1.0 L/min (STEL)
ANL 1:
Inductively Coupled Argon Plasma; ICP/DCP-AES
REF:
2 (OSHA In-house file)
CLASS:
Not Validated
NOTE:
Submit as a separate sample. An analysis is performed for total Boron and reported as the compound.
SECONDARY SAMPLING/ANALYTICAL METHOD (SAM2):
DEVICE: Detector Tube
COMPANY: MSA
PART #: Reagent# 82099 , Filter# 82388
RANGE: 0.01-1.0
CLASS: Mfg
WIPE:
MEDIA:
Whatman smear tab; Solvent: Deionized water
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