Sodium Thiosulfate

Physical characters: 1) Formula: NA2S2O3.5H2O 2) CAS NO.: 10102-17-7 3) Appearance: white crystalline powder 4) Potential Acute Health Effects: Hazardous in case of ingestion, of inhalation. Slightly hazardous in case of skin contact (irritant), of eye contact (irritant). 5) Potential Chronic Health Effects: Slightly hazardous in case of skin contact (irritant, sensitizer). Specification: 1) Sodium thiosulphate (NA2S2O3) content: 99.3% industrial grade. 2) Water insoluble matter: 0.008% 3) Sodium sulfide (NA2S) content:0.00072% 4) Iron (FE) content: 0.0017% 5) PH: 7.2 6) Granularity: 20-30 granule/g 7) Grade: industrial grade. Our company is a professional chemical company which is one of the biggest manufacture factory produce chemical materials in the north of china. We are doing business on chemical product such as Caustic soda and Calcium carbide in all over the world. 14 Product Name: Boric acid Physical characters: 1) Synonyms: ortho-Boric acid; boracic acid; Borofax, boric acid (H3BO3) 2) CAS No.: 10043-35-3 3) Physical state: crystalline solid 4) Colour: white 5) Odour: odourless 6) General hazard: None, because boric acid is not flammable, combustible or explosive. The product is itself a flame retardant. Specification: 1) Boric acid (H3BO3) content : 99.60%min 2) Water insoluble matter : 0.010% max 3) Sulfate (SO4) content : 0.10% max 4) Iron (FE) content : 0.0020% max 5) Chloride (CL) content : 0.050% max 6) Grade: industrial grade Our company is a professional chemical company which is one of the biggest manufacture factory produce chemical materials in the north of china. We are doing business on chemical product such as Caustic soda and Calcium carbide in all over the world.