IRSST - Institut de recherche Robert-Sauvé en santé et en sécurité du travail

Pentaborane  

French name in the regulation: Pentaborane
CAS : 19624-22-7

Exposure Standards in RROHS regulation

Permissible exposure values (PEV)
ppm mg/m3 f/cc Notes
TWAEV 0,005 0,013 - -
STEV 0,015 0,039 - -
Ceiling - - - -
Carcinogenicity Sensitizer
Simple asphyxiantPercutaneous
Prohibited useProhibited recirculation
Minimum exposureExplosion hazard
Ototoxic

TWA adjustment for unusual work schedules

II : Daily adjustment

CNESST – Toxicological Index Service

Consult REPTOX file: Pentaborane

Analysis:

Pentaborane

Recommended method by the IRSST:
Method: OSHA - ID125G
Sampling device: Glass fritted tip impinger containing deionized water
Parameters:
Flow rate: 1 L/min
TWA sampling volume: 480 L
STEL sampling volume: 15 L
Remarks: This substance is not analyzed by our laboratories. It might be possible that the analysis be performed by another laboratory. Please contact the IRSST before sampling.
Principle: Inductively coupled plasma-optical emission spectrometer (ICP-OES)
Remarks: OSHA method ID-125G is for metallic elements and compounds and can be adapted to pentaborane. The device and the parameters on OSHA data sheet IMIS1986 are used.
OSHA Analytical Methods Manual, Method ID125G.: Metal particulates in workplace atmospheres (ICP analysis), 2002.