Detail of > 7757-82-6
- MSDS Download
- CAS Number:
- 7757-82-6
- Name:
Sodium sulfate
- Formula:
- Na2SO4
- Molecular Structure:
- Synonyms:
- Sulfuricacid disodium salt (8CI,9CI);Bisodium sulfate;Dibasic sodium sulfate;Disodium monosulfate;Disodium sulfate;Disodium sulphate;Kemsol;Salt cake;Sodium Sulfate Anhydrous;
- Molecular Weight:
- 142.04
- EINECS:
- 231-820-9
- Density:
- 2.68 g/mL at 25 °C(lit.)
- Melting Point:
- 884 °C
- Boiling Point:
- 330 °C at 760 mmHg
- Solubility:
- H2O:18.5 mg/L
- Appearance:
- white crystals or powder
- Hazard Symbols:
Xi- Risk Codes:
- 36/37/38
- Safety:
- 24/25Details
- Deleted CAS:
- 15124-09-1
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Reference
- Washing of cotton fabric dyed with sulfur dyes
- Washing of cotton fabric dyed with sulfur dyes. Spirkin, V. G.; Rusanov, O. I. (Kalinin State University, USSR). U.S.S.R. SU 1049593 A1 23 Oct 1983 From: Otkrytiya, Izobret.There are some reagents like 7757-82-6 is used in this study., Prom. Obraztsy, Tovarnye Znaki 1983, (39), 122. (Russian). (Union of Soviet Socialist Republics). CODEN: URXXAF. CLASS: IC: D06P001-30; D06L001-12. APPLICATION: SU 82-3445859 28 May 1982. DOCUMENT TYPE: Patent CA Section: 40 (Textiles) Cotton fabric dyed with sulfur dyes is washed with H2O at 60-65°. In order to utilize the wastewater, water pretreated with H2SO4 to pH 1-2 is used and the cotton fabric is washed in the presence of 15-22 wt. % Na2SO4. The dye in soln. is removed by filtering and the filtrate is cooled to 18-25°. The pptd. excess Na2SO4 is filtered out from it. The secondary filtrate is heated to 60-65° and returned to the washing cycle. .
- Particle formation from solutions in gas fluidized beds
- Particle formation from solutions in gas fluidized beds. VI. Establishment of steady state operation conditions by grinding. Dencs, B.; Ormos, Z. (Res. Inst. Tech. Chem., Hung. Acad. Sci., Veszprem, Hung.). Hung. J. Ind. Chem., 11(4), 339-48 (English) 1983. CODEN: HJICAI. ISSN: 0133-0276. DOCUMENT TYPE: Journal CA Section: 48 (Unit Operations and Processes) The methods used to establish steady-state operation conditions including steady-state particle size distribution are discussed. A continuously operated exptl. fluidized bed is described, which contains a special grinding element used to establish and control the steady-state particle size distribution. The results of expts. carried out with solns. of NaCl, FeSO4, CO(NH2)2, sugar, Na2CO3, Na2SO4, Ca(NO3)2, are discussed, including the values of the technol. parameters (linear air velocity, air temp., concn., soln. 10124-37-5 and 7757-82-6 which are cas registry numbers of substances are two of reagents here. flow rate, residence time, water evapn. rate, and prodn. capacity), time-dependent changes of the particle size distribution and the major phys. characteristics (d, rolling coeff., pore fraction, wear resistances and av. particle size) of the products. .
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