Formaldehyde sodium sulfoxylate
Hydroxymethanesulfinic acid sodium salt dihydrate
CAS: 149-44-0
Molecular Formula: HOCH2SO2Na·XH2O
Formaldehyde sodium sulfoxylate - Names and Identifiers
| Name | Hydroxymethanesulfinic acid sodium salt dihydrate |
| Synonyms | Rongalite Rongalite C hydroxymethoxysulfinylsodium sodium hydroxymethanesulfinate Sodium hydroxymethanesulphinate Formaldehyde sodium sulfoxylate Sodium bisulfoxylate formaldehyde Sodium hydroxymethanesulfinate hydrate Sodium Formaldehyde Sulfoxylate Hydrate Hydroxymethanesulfinic acid sodium salt dihydrate |
| CAS | 149-44-0 |
| EINECS | 205-739-4 |
| InChI | InChI=1/CH3O3S.Na/c2-1-4-5-3;/h2H,1H2;/q+1;-1/rCH3NaO3S/c2-6(4)5-1-3/h3H,1H2 |
Formaldehyde sodium sulfoxylate - Physico-chemical Properties
| Molecular Formula | HOCH2SO2Na·XH2O |
| Molar Mass | 118.09 (anhydrous ba |
| Melting Point | 64-68℃ |
| Boling Point | 446.4℃ at 760mmHg |
| Flash Point | >100℃ |
| Water Solubility | soluble H2O, alcohol [HAW93] |
| Appearance | White solid |
| PH | 9.5-10.5 |
| Storage Condition | Inert atmosphere,Room Temperature |
| Stability | Stable. Incompatible with strong oxidizing agents. |
| MDL | MFCD00040426 |
| Physical and Chemical Properties | Chemical properties translucent white orthorhombic crystal or small pieces. Apparent density 1.80~1.85g/cm3. Easily soluble in water, slightly soluble in alcohol. It has strong reducibility at high temperature and can make the dyed color disappear, so it is called hanging white block. When exposed to acid, it decomposes at 120 ℃ to produce formaldehyde, hydrogen sulfide and other toxic gases. The water-free hanging white block is very stable, but it will gradually decompose in humid air. The aqueous solution begins to decompose above 60°C, and the dilute solution decomposes much faster than the concentrated solution. |
| Use | Used as printing and dyeing agent, styrene butadiene rubber and synthetic resin activator, organic matter decolorization and bleaching agent |
Formaldehyde sodium sulfoxylate - Risk and Safety
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R68 - Possible risk of irreversible effects R31 - Contact with acids liberates toxic gas |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. S36/37 - Wear suitable protective clothing and gloves. |
| WGK Germany | 1 |
| RTECS | PB0380000 |
| TSCA | Yes |
Formaldehyde sodium sulfoxylate - Upstream Downstream Industry
| Raw Materials | sulfur dioxide Formaldehyde Sodium hydroxide Zinc |
| Downstream Products | TRIFLUOROACETALDEHYDE HYDRATE 1H-PERFLUOROOCTANE |
Formaldehyde sodium sulfoxylate - Reference
| Reference Show more | 1. [IF=5.076] Jiahang Yu et al."A Colorimetric Ag+ Probe for Food Real-Time Visual Monitoring."Nanomaterials. 2022 Jan;12(9):1389 |
Formaldehyde sodium sulfoxylate - Nature
| solubility | H2O: 50 mg/mL, clear, colorless |
| Merck | 14,8620 |
| EPA chemical information | Sodium sulfoxylate formaldehyde (anhydrous) (149-44-0) |
Last Update：2024-04-10 22:29:15
Formaldehyde sodium sulfoxylate - Security information
| toxic substance data | 149-44-0(Hazardous Substances Data) |
Last Update：2024-04-09 20:48:19
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Raw Materials for Formaldehyde sodium sulfoxylate
Downstream Products for Formaldehyde sodium sulfoxylate