Molekula
Sulfur trioxide N,N-dimethylformamide complex
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
Sulfur trioxide N,N-dimethylformamide complex is a reactive chemical used in sulfonation reactions, particularly in organic synthesis and industrial chemical processes. It is a stable complex that delivers SO3 in controlled reactions. CAS: 29584-42-7, Molecular Formula: HCON(CH3)2 · SO3, Molecular Weight: 153.16 g/mol, Storage: 2 to 8 °C, Signal Word: Danger. Molekula supplies Sulfur trioxide N,N-dimethylformamide complex 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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5 g — £46.40 per pack ex VAT · £55.68 inc. VAT
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Specifications
| Property | Value |
|---|---|
| Appearance | White to beige to light brown powder or crystals |
| Carbon (C) | 22.7 - 24.4 % |
| Identification (IR) | Conforms to structure |
| Identification (1H-NMR) | Conforms to structure |
| Titration (with NaOH) | 50.7 - 54.4 % |
| Nitrogen (N) | 8.8 - 9.5 % |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Transport Class | 8 |
| Packing Group | II |
Identification
| Property | Value |
|---|---|
| SKU | 90026846 |
| CAS Number | 29584-42-7 |
| Molecular Formula | HCON(CH3)2 · SO3 |
| Molecular Weight | 153.16 |
| SMILES | CN(C)C=O.O=S(=O)=O |
| UN Number | UN3261 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2924198000 |
| Tariff Code | 2924190090 |
Safety & GHS
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Corrosive
GHS05
Hazard statements
- H314 (sub cat. 1B) Causes severe skin burns and eye damage
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P303+361 IF ON SKIN (or hair): Remove immediately all contaminated clothing. Rinse with water/shower
- P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
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
No alternate names recorded for this product.
Frequently asked questions
What is sulfur trioxide N,N-dimethylformamide complex used for?
It is primarily used as a sulfonating agent in organic synthesis, particularly for introducing sulfonic acid groups into aromatic compounds.
What is the chemical formula and molecular weight?
The formula is HCON(CH3)2 · SO3 with a molecular weight of 153.16 g/mol.
How should this compound be stored?
It must be stored at 2 to 8 °C and protected from moisture and heat.
What grade is available from Molekula?
Molekula supplies this compound in technical grade, suitable for laboratory and industrial applications.
Can Molekula supply this in bulk?
Yes, Molekula can provide bulk quantities upon request; please contact our sales team for details.
What documentation comes with the order?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) compliant with GHS standards.
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.