Molekula
4-Methylbenzenesulfinic acid sodium salt
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
4-Methylbenzenesulfinic acid sodium salt is a sodium salt of 4-methylbenzenesulfinic acid, used in organic synthesis and as an intermediate in pharmaceutical and agrochemical production. It appears as a white to off-white solid, stable at ambient temperature, and is non-hazardous with no signal word. CAS: 824-79-3, Molecular formula: C7H7NaO2S, Molecular weight: 178.18 g/mol. Molekula supplies 4-Methylbenzenesulfinic acid sodium salt from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
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25 g — £30.90 per pack ex VAT · £37.08 inc. VAT
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Specifications
| Property | Value |
|---|---|
| Appearance | White to off-white crystalline powder |
| Heavy metals | ≤ 10ppm |
| pH | 7.0 - 9.0 |
| Assay | ≥ 65.0% |
| Insoluble Matter | ≤ 0.05% |
| Moisture | ≤ 35.0% |
| Sulphates (SO4)(2-) | ≤ 3% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 90028924 |
| CAS Number | 824-79-3 |
| IUPAC Name | sodium 4-methylbenzenesulfinate |
| EC Number | 212-538-5 |
| Molecular Formula | 4-CH3-C6H4SO2Na |
| Molecular Weight | 178.18 |
| Exact Mass | 178.0064 |
| SMILES | CC1=CC=C(C=C1)S(=O)[O-].[Na+] |
| InChIKey | KFZUDNZQQCWGKF-UHFFFAOYSA-M |
| InChI | InChI=1S/C7H8O2S.Na/c1-6-2-4-7(5-3-6)10(8)9;/h2-5H,1H3,(H,8,9);/q;+1/p-1 |
| PubChem CID | 2723791 |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 29309029 |
| Tariff Code | 2930909599 |
Safety & GHS
Precautionary statements
- P264 Wash thoroughly after handling
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P308+313 IF exposed or concerned: Get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- BENZENESULFINIC ACID, 4-METHYL-, SODIUM SALT
- p-Toluenesulfinic acid sodium salt
- p-Toluensulfinan sodny
- sodium 4-methylbenzene-1-sulfinate
- Sodium 4-toluenesulfinate
- Sodium 4methylbenzenesulfinate
- SODIUM P-TOLUENE SULFINATE ANHYDROUS
- Sodium p-toluenesulfinate
- Sodium p-tolylsulfinate
- Sodium toluene4sulphinate
Frequently asked questions
What is 4-Methylbenzenesulfinic acid sodium salt used for?
It is primarily used as an intermediate in organic synthesis, particularly in the production of pharmaceuticals and specialty chemicals.
What is the chemical formula and molecular weight?
The formula is 4-CH3-C6H4SO2Na with a molecular weight of 178.18 g/mol.
How should this compound be stored?
It should be stored at ambient temperature, protected from moisture and light.
What grade is available?
Available in technical grade; custom purity options may be available upon request.
Can Molekula supply this in bulk?
Yes, Molekula can supply 4-Methylbenzenesulfinic acid sodium salt in bulk quantities—please contact sales for details.
What documentation comes with the order?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS); additional documentation can be provided upon request.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.