Composition / information on ingredients. component cas # exposure limits % by wt barium carbonate 513-77-9 osha pel: 0.5 mg/cu m as ba ca 97.0. 0.74 mg/cu m as this product acgih tlv-twa: same 4. first aid measures. if medical attention is sought, show this safety data sheet to the doctor in attendance. Barium chloride anhydrous (laboratory) revision date 18-jan-2018 specific hazards arising from the chemical ... the information provided in this safety data sheet is correct to the best of our knowledge, information and belief at the date of its publication. the information given is designed only as a guidance for safe handling, use, processing ... On the basis of import data, japan represents the largest global importer of barium carbonate followed by the republic of korea, spain, saudi arabia and france. on the other hand, china represents the largest exporter of barium carbonate accounting for Section 313 this material contains barium carbonate (listed as barium compounds, n.o.s.), >99%, (cas# 513-77-9) which is subject to the reporting requirements of section 313 of sara title iii and 40 cfr part 373. clean air act: this material does not contain any hazardous air pollutants.