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| CAS No.: | 6035-47-8 |
|---|---|
| Name: | Sodium formaldehydesulfoxylate dihydrate |
| Molecular Structure: | |
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| Formula: | CH8NaO5S |
| Molecular Weight: | 154.119 |
| Synonyms: | Formaldehydesodium sulfoxylate dihydrate;Methanesulfinic acid, hydroxy-, sodium salt,dihydrate;Sodium formaldehydesulfoxylate dihydrate;Sodium formaldehyde sulfoxylate; |
| EINECS: | 205-739-4 |
| Density: | 1.8 g/cm3 |
| Melting Point: | 64-68 °C(lit.) |
| Boiling Point: | 446.4 °C at 760 mmHg |
| Flash Point: | 223.8 °C |
| Solubility: | freely soluble in water |
| Appearance: | white crystalline powder |
| Hazard Symbols: | Xn |
| Risk Codes: | 31-68 |
| Safety: | 24/25 |
| PSA: | 98.03000 |
| LogP: | -0.44760 |
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Specification
The Methanesulfinic acid,hydroxy-, monosodium salt, dihydrate (8CI,9CI), with the CAS registry number 6035-47-8 and EINECS registry number 205-739-4, has the systematic name of sodium hydroxymethanesulfinate dihydrate. It is a kind of white crystalline powder, and belongs to the product categories of Inorganic & organic chemicals. And the molecular formula of this chemical is CH8NaO5S. What's more, while dealing with this chemical, you should avoid contacting with skin and eyes.
The physical properties of Methanesulfinic acid,hydroxy-, monosodium salt, dihydrate (8CI,9CI) are as followings: (1)ACD/LogP: -2.26; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): -4.74; (4)ACD/LogD (pH 7.4): -5.71; (5)ACD/BCF (pH 5.5): 1; (6)ACD/BCF (pH 7.4): 1; (7)ACD/KOC (pH 5.5): 1; (8)ACD/KOC (pH 7.4): 1; (9)#H bond acceptors: 3; (10)#H bond donors: 2; (11)#Freely Rotating Bonds: 2; (12)Polar Surface Area: 65.74 Å2; (13)Flash Point: 223.8 °C; (14)Enthalpy of Vaporization: 81.3 kJ/mol; (15)Boiling Point: 446.4 °C at 760 mmHg; (16)Vapour Pressure: 7.6E-10 mmHg at 25°C.
Preparation of Methanesulfinic acid,hydroxy-, monosodium salt, dihydrate (8CI,9CI): Drop zinc dithionite solution into 40% formaldehyde, and heat it gradually. Add zinc dust when the temperature reach 95-100°C, and keep warm for several hours, then it will give precipitate. Add 42% NaOH solution to react with the precipitate until the free alkali content is about 0.3-0.5%. Defecate with filter pressing, and after a series of vacuum concentration and cooling crystallization, you can get the product.
Uses of Methanesulfinic acid,hydroxy-, monosodium salt, dihydrate (8CI,9CI): It can be used as white discharging agent, reducing agent, bleaching agent and vat dyes. It is also used in the synthesis of rubber and suger, and plays roles in polymerization of vinyl compounds.
You can still convert the following datas into molecular structure:
(1)SMILES: [Na+].[O-]S(=O)CO.O.O
(2)InChI: InChI=1/CH4O3S.Na.2H2O/c2-1-5(3)4;;;/h2H,1H2,(H,3,4);;2*1H2/q;+1;;/p-1
(3)InChIKey: UCWBKJOCRGQBNW-REWHXWOFAY
The toxicity data is as follows:
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| mouse | LDLo | subcutaneous | 3gm/kg (3000mg/kg) | Public Health Reports. Vol. 49, Pg. 908, 1934. |