Sodium methyl sulfate
Also known as: Methyl sodium sulfate, Methylsulfuric acid sodium salt, Sodium monomethyl sulfate, Sulfuric acid, monomethyl ester, sodium salt, Methyl sulfate sodium salt
Sodium methyl sulfate (CAS 512-42-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula CH3NaO4S and a molecular weight of 134.08700 g/mol. Key properties include a melting point of 210 °C(lit.) and a density of 1.602g/cm3. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H332 — Harmful if inhaled and H315 — Causes skin irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 512-42-5
- Jingsj CID
- J-36406-7
- Molecular Formula
- CH3NaO4S
- Molecular Weight
- 134.08700 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 210 °C(lit.) |
|---|---|
| Density | 1.602g/cm3 |
| Exact Mass | 133.96500 |
| PSA | 74.81000 |
| LogP | 0.17380 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H332 — Harmful if inhaled
- H315 — Causes skin irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2920909090 |
|---|---|
| Summary | 2920909090 esters of other inorganic acids of non-metals (excluding esters of hydrogen halides) and their salts; their halogenated, sulphonated, nitrated or nitrosated derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Sodium methyl sulfate?
The CAS number of Sodium methyl sulfate is 512-42-5.
What are the molecular formula and molecular weight of Sodium methyl sulfate?
Sodium methyl sulfate has molecular formula CH3NaO4S and molecular weight 134.08700 g/mol.
Is Sodium methyl sulfate hazardous?
Sodium methyl sulfate has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H332 — Harmful if inhaled; H315 — Causes skin irritation.
What are the upstream and downstream products of Sodium methyl sulfate?
For Sodium methyl sulfate, Upstream Products: Dimethyl sulfate, Sodium iodide; Downstream Products: Methyl 2-methoxybenzoate, 2-Methoxy-4-methylphenol, 3,4-Dimethoxytoluene.
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 methyl sulfate (CAS 512-42-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-36406-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.