- Ca(OH)2r- M = 74,09 g/molr- CAS [1305-62-0]r- EINECS-No.: 215-137-3r- GHS-signal word: Dangerr- GHS-H sentences: H318r- GHS-P sentences: P280 - P305+P351+P338 - P310r- Tariff number: 2825 90 19 00r- Applications: in building materials, in lubricant compositions, painting, laboratory reagent.rrSPECIFICATIONSrassay (acidimetric): approx. 90 %rr