Sodium thiosulfate (CAS 7772-98-7) — formula Na2O3S2, molecular weight 158.11; category fine chemicals.
Sodium thiosulfate (CAS 7772-98-7) is a fine chemicals. Its molecular formula Na2O3S2 comprises 2 Na, 3 O, 2 S atoms. Its molecular weight is about 158.11. Reported physicochemical data: melting point around 48.5 °C. Fine chemicals are high-value, multi-variety, small-batch products emphasizing purity and specification customization, also covering general chemical raw materials. Targeting pharmaceuticals, electronics, flavors and functional materials; produced and repacked to customer specifications. As a sourcing and distribution partner we help locate and compare this item across domestic and cross-border channels, arranging samples and batch orders with full COA and compliance files.
| CAS Number | 7772-98-7 |
|---|---|
| Molecular Formula | Na2O3S2 |
| Molecular Weight | 158.11 |
| Melting Point | 48.5 °C |
| Packaging | 25/50kg woven bags, 20/25/50kg fibre drums, 200kg plastic drums, 1000kg IBC (subject to order confirmation) |
| Applications | electronics, flavors and functional materials, produced and repacked to customer specifications. As a sourcing and distribution partner we can help locate and compare this item across domestic and cross-border channels, with COA and compliance files provided before ordering |
| Category | Fine Chemicals|Preservatives |
Documented applications: electronics, flavors and functional materials, produced and repacked to customer specifications. As a sourcing and distribution partner we can help locate and compare this item across domestic and cross-border channels, with COA and compliance files provided before ordering.
Sodium thiosulfate is a high-value fine compound with CAS registry number 7772-98-7 and molecular formula Na2O3S2 (molecular weight 158.11), belonging to the fine chemicals segment of chemical raw materials.
CAS number: 7772-98-7
Its molecular formula Na2O3S2 comprises 2 Na, 3 O, 2 S atoms.
Also known as: Sodium thiosulfate · 硫代硫酸钠
Category: fine chemicals / chemical
The CAS registry number of Sodium thiosulfate is 7772-98-7.
Molecular formula Na2O3S2, molecular weight 158.11.
It is also registered under: Sodium thiosulfate, 硫代硫酸钠.
Recorded applications: electronics, flavors and functional materials, produced and repacked to customer specifications. As a sourcing and distribution partner we can help locate and compare this item across domestic and cross-border channels, with COA and compliance files provided before ordering.
Category: Fine Chemicals / Preservatives.
Packaging is agreed per order, from lab-scale packs to bulk, and confirmed with each order rather than fixed on the page. A Certificate of Analysis (COA) ships with every batch and MSDS is available; where the end use carries a regulatory limit (food contact, pharmaceutical or cosmetic), state the standard at enquiry and the grade is set against it.
Independent reference data for Sodium thiosulfate (CAS 7772-98-7), compiled from public chemistry databases.
| CAS Registry Number | 7772-98-7 |
|---|---|
| PubChem CID | 24477 |
| Molecular formula | Na2O3S2 |
| IUPAC name | disodium;dioxido-oxo-sulfanylidene-λ6-sulfane |
| UNII (FDA) | L0IYT1O31N |
| Molecular Weight | 158.11 |
|---|---|
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 0 |
| Exact Mass | 157.90842477 |
| Monoisotopic Mass | 157.90842477 |
| Topological Polar Surface Area | 104 |
| Heavy Atom Count | 7 |
| Melting Point | 48.5 °C |
|---|---|
| Solubility | 50 G SOL IN 100 CC WATER; 231 G @ 100 °C |
| Density | 1.667 |
| Density | 1.7 g/cm³ |
| Decomposition | 300 °C |
SODIUM THIOSULFATE; 7772-98-7; Sodium thiosulphate; Disodium thiosulfate; Sodothiol; Hypo; Chlorine Control; Chlorine Cure; Sodium thiosulfate, anhydrous; Thiosulfuric acid, disodium salt; Sodium thiosulfate (Na2S2O3); Sodium thiosulphate (Na2S2O3); Sodium oxide sulfide (Na2S2O3); L0IYT1O31N; Thiosulfuric acid (H2S2O3), disodium salt; Ins no.539
| Regulatory & Food Contact | ANTIOXIDANT; PRESERVATIVE; SEQUESTRANT: Food Additives JECFA ADI: 0-0.7 mg/kg bw TRS 891-JECFA 51/30 FAS 42-JECFA 51/95 |
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Sodium thiosulfate · CAS 7772-98-7 · Na2O3S2. UNII L0IYT1O31N. Melting Point: 48.5 °C; Solubility: 50 G SOL IN 100 CC WATER; 231 G @ 100 °C; Density: 1.667.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 硫代硫酸钠