Sodium Hydrosulfite
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Post Date:
Dec 27,2024
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Expiry Date:
Jun 25,2025
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Detailed Description:
Cas No. :7775-14-6
Molecular Formula:Na2S2O5
Molecule Weight:174.11
Appearance:white cystalline powder,Dissolved to water is transparent,no precipitation
Quantity standard:HG2074-91
Item Fine-rate Export-rate First-rate
Content(Na2S2O5) ≥90 ≥88 ≥85
water-Insoluble ≤0.1 ≤0.1 ≤0.1
Storage(Month) ≥12 ≥12 ≥12
Main uses:
Fruit-freshen agent bleaches oxidation inhibition and preserves agent,decololdr agent of waste paper,bleach agent of industry, mineral dressing,reducing and sulphonating agent.
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CAS Registry Number:
7775-14-6
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Synonyms:
;Sodium dithionite hydrate;Sodium hydrosulphite;Sodium dithionite;disodium dithionite;
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Molecular Formula:
Na2O4S2
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Molecular Weight:
174.1071
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Molecular Structure:
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Hazard Symbols:
Xn:Harmful;
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Risk Codes:
R22:;
R31:;
R7:;
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Safety Description:
S26:;
S28A:;
S43E:;
S7/8:;
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