Sodium hydroxymethanesulfinate
Also known as: Rongalite, Sodium formaldehyde sulfoxylate, Formaldehyde sodium sulfoxylate, Hydroxymethanesulfinic acid sodium salt, Sodium hydroxymethanesulphinate, Formaldehyde sulfoxylic acid sodium salt, Sodium rongalite, Formaldehyde sodium bisulfite adduct
Sodium hydroxymethanesulfinate (CAS 149-44-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula CH4NaO3S and a molecular weight of 118.08700 g/mol. Key properties include a melting point of 64-68ºC, a boiling point of 446.4ºC at 760mmHg and a flash point of 223.8ºC. It is classified under GHS with signal word Warning and hazard statements H341 — Suspected of causing genetic defects. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.
- CAS No.
- 149-44-0
- Jingsj CID
- J-1334433-7
- Molecular Formula
- CH4NaO3S
- Molecular Weight
- 118.08700 g/mol
- Category
- Organic Acids
- Last updated
- 11/2/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 64-68ºC |
|---|---|
| Boiling Point | 446.4ºC at 760mmHg |
| Flash Point | 223.8ºC |
| Exact Mass | 117.97000 |
| PSA | 79.57000 |
| Additional Property | H2O: 50 mg/mL, clear, colorless |
GHS Safety & Compliance
- H341 — Suspected of causing genetic defects
Customs & Trade Information
| HS Code | 2930909090 |
|---|---|
| Summary | 2930909090. other organo-sulphur compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Sodium hydroxymethanesulfinate?
The CAS number of Sodium hydroxymethanesulfinate is 149-44-0.
What are the molecular formula and molecular weight of Sodium hydroxymethanesulfinate?
Sodium hydroxymethanesulfinate has molecular formula CH4NaO3S and molecular weight 118.08700 g/mol.
Is Sodium hydroxymethanesulfinate hazardous?
Sodium hydroxymethanesulfinate has GHS signal word Warning and hazard statements H341 — Suspected of causing genetic defects.
What are the upstream and downstream products of Sodium hydroxymethanesulfinate?
For Sodium hydroxymethanesulfinate, Upstream Products: Formaldehyde, Thiourea dioxide, Water; Downstream Products: Trifluoromethylthiobenzene, Perfluorooctanoic Acid, perfluorooctanesulphonyl chloride.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Sodium hydroxymethanesulfinate (CAS 149-44-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1334433-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.