Relative molecular mass: 129.16 (according to international relative atomic mass in 2009)
CAS RN: 91-22-5
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 6682-2008 Water for analytical laboratory use - Specification and test methods
GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgment of limiting values
GB/T 9722-2006 Chemical reagent - General rules for the gas chromatography
