Date of Publication: 18th May 2017 . This conclusion refers to background document A (draft assessment report) and background document B (EFSA peer review report). Hydrochloric acid, sodium thiosulphate. 77, No. It is essential that students prepare a detailed risk assessment before they start. Teachers must be satisfied that this is suitable for the p roposed investigation. Place the conical flask on a piece of paper with a black cross drawn on it. It is an ionic compound formed by two sodium cations (Na + ) And the negatively charged thiosulfate anion (S 2 OR 3 - ), In which the central sulfur atom is attached to three atoms of oxygen and another atom of sulfur (hence the prefix uncle), through single and double bonds with resonance character. Persistence and degradability Sodium Thiosulfate, 0.2N (0.2M) Persistence and degradability Not established. Commission its conclusion on the risk assessment [Conclusion on the peer review of the pesticide risk assessment of the active substance sodium silver thiosulfate (approved: 1 March 2013)5]. Sodium thiosulfate is an inorganic sodium salt composed of sodium and thiosulfate ions in a 2:1 ratio. Risk Assessments should refer to COSHH, and any other relevant legislation or industry specific guidelines governing the use of chemicals. Sodium Thiosulfate, 0.2N (0.2M) Safety Data Sheet according to Federal Register / Vol. Information on basic physical and chemical properties Appearance Crystals. Sodium Thiosulfate, Pentah ydrate (10102 -17 -7) SECTION 9: Physical and Chemical Properties 9.1. Safety No risk assessment has been given. Using a measuring cylinder, add 50 cm 3 of dilute sodium thiosulfate solution to a conical flask. 58 / Monday, March 26, 2012 / Rules and Regulations 04/25/2018 EN (English US) 5/6 Sodium Thiosulfate, Pentahydrate (10102 -17 -7) LC50 fish 1 ≥ 10000 Sodium Carbonate, Anhydrous (497 -19 -8) LC50 fish 1 300 mg/l EC50 Daphnia 1 265 mg/l Sodium Thiosulfate Pentahydrate 10102-17-7 >99% ... users to carry out their own workplace and specific use risk assessment. It has a role as an antidote to cyanide poisoning, a nephroprotective agent and an antifungal drug. Sodium Thiosulfate, 1.0N (1.0M) Safety Data Sheet according to Federal Register / Vol. Sodium thiosulfate is also available as its pentahydrate salt (Na 2 S 2 OR 3 .5H 2 OR). 77, No. 58 / Monday, March 26, 2012 / Rules and Regulations 04/18/2018 EN (English US) 5/6 12.2. corrosive, and an oxidizer) and residue (flammable sodium sulphide residue) may evolve. A full Risk Assessment should be carried out before handling any chemical(s). Special Fire Fighting Procedures.....Wear NIOSH-approved self-contained breathing apparatus and It contains a thiosulfate(2-).
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