| AMMONIUM THIOSULFATE | ||
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PRODUCT IDENTIFICATION |
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| CAS NO. | 7783-18-8 |
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| EINECS NO. | 231-982-0 | |
| FORMULA | (NH4)2S2O3 | |
| MOL WT. | 148.20 | |
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H.S.CODE |
2832.30 | |
| TOXICITY | Oral rat LD50: 2890 mg/kg | |
| SYNONYMS | Thiosulfuric acid diammonium salt; ATS; | |
| Ammonium Hyposulfite; Diammonium Thiosulfate; Thio-sul; Ammo Hypo; Amthio; Ammonium Thiosulphate; | ||
| SMILES | ||
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CLASSIFICATION |
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PHYSICAL AND CHEMICAL PROPERTIES |
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| PHYSICAL STATE | white or colourless crystals | |
| MELTING POINT | 150 C | |
| BOILING POINT | Decomposes | |
| SPECIFIC GRAVITY | 1.679 | |
| SOLUBILITY IN WATER | miscible | |
| pH | ||
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AUTOIGNITION |
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| NFPA RATINGS | ||
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REFRACTIVE INDEX |
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| FLASH POINT | Non-flammable | |
| STABILITY | Stable under ordinary conditions of use and storage | |
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APPLICATIONS |
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| Ammonium Thiosulphate is used as the most common component of photographic fixing agent especially for rapid development. It is used as a nitrogen and sulphur fertilizer. It is used to enhance N utilization efficiency of fertilizers such as urea ammonium nitrate. | ||
| SALES SPECIFICATION | ||
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60% SOLUTION |
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APPEARANCE |
clear solution | |
| (NH4)2S2O3 | 58.0 - 61.0% | |
| SPECIFIC GRAVITY | 1.31 - 1.34 | |
| NH4OH |
1.5% max | |
| ((NH4)2SO3 |
1.0% max | |
| Fe | 10ppm mx | |
| HEAVY METALS |
10ppm max | |
| RESIDUE ON IGNITION | 0.1% max | |
| TRANSPORTATION | ||
| PACKING | 260kgs in drum | |
| HAZARD CLASS | ||
| UN NO. | ||
| PRICES | ||
