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Sodium formaldehydesulfoxylate dihydrate

Also known as: Hydroxymethanesulfinic acid monosodium salt dihydrate, Sodium hydroxymethanesulfinate dihydrate, Rongalite, Sodium formaldehyde sulfoxylate dihydrate

Sodium formaldehydesulfoxylate dihydrate (CAS 6035-47-8) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula CH7NaO5S and a molecular weight of 154.11700 g/mol. Key properties include a melting point of 64-68 °C(lit.), a boiling point of 446.4ºC at 760 mmHg, a density of 1.8 g/cm3 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.
6035-47-8
Jingsj CID
J-6664-8
Molecular Formula
CH7NaO5S
Molecular Weight
154.11700 g/mol
Category
Organic Compounds
Last updated
11/2/2026

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Physicochemical Properties

Melting Point64-68 °C(lit.)
Boiling Point446.4ºC at 760 mmHg
Density1.8 g/cm3
Flash Point223.8ºC
Exact Mass175.97300
PSA106.95000
LogP0.30280

GHS Safety & Compliance

Health HazardSignal word: Warning
  • H341 — Suspected of causing genetic defects

Customs & Trade Information

HS Code2930909090
Summary2930909090. 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 formaldehydesulfoxylate dihydrate?

The CAS number of Sodium formaldehydesulfoxylate dihydrate is 6035-47-8.

What are the molecular formula and molecular weight of Sodium formaldehydesulfoxylate dihydrate?

Sodium formaldehydesulfoxylate dihydrate has molecular formula CH7NaO5S and molecular weight 154.11700 g/mol.

Is Sodium formaldehydesulfoxylate dihydrate hazardous?

Sodium formaldehydesulfoxylate dihydrate has GHS signal word Warning and hazard statements H341 — Suspected of causing genetic defects.

What are the upstream and downstream products of Sodium formaldehydesulfoxylate dihydrate?

For Sodium formaldehydesulfoxylate dihydrate, Upstream Products: Formaldehyde; Downstream Products: 1,3,5-Trithiane, Formaldehyde, Sodium acetate.

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 formaldehydesulfoxylate dihydrate (CAS 6035-47-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-6664-8 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.