Molekula
Didecyldimethylammoniumchloride
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
Didecyldimethylammonium chloride (DDAC) is a quaternary ammonium compound widely used as a disinfectant, sanitizer, and antimicrobial agent in industrial, institutional, and household cleaning products. It effectively kills bacteria, viruses, and fungi, making it ideal for surface disinfection, water treatment, and personal care formulations. CAS 7173-51-5, molecular formula C22H48ClN, molecular weight 362.08 g/mol. Store at ambient conditions. Signal word: Danger. Molekula supplies didecyldimethylammonium chloride 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
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
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Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | Pale yellow paste-like |
| Heavy metals | ≤0.002% |
| Assay | ≥99% |
| Free Amine | ≤0.3% |
| Amine Salts | ≤0.3% |
| Moisture | ≤0.5% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 8 |
| Packing Group | II |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Colorless crystals |
| Odour | Mushroom-like odor |
| Melting Point | 94-100 °C /OECD Guideline 102/ |
| Density | 0.870 g/cm³ |
| Solubility (other solvents) | Soluble in acetone; extremely soluble in benzene; insoluble in hexane |
| log P (octanol/water) | 2.59 |
Source: PubChem CID 23558 (HSDB)
Identification
| Property | Value |
|---|---|
| SKU | 18398146 |
| CAS Number | 7173-51-5 |
| IUPAC Name | didecyl(dimethyl)azanium chloride |
| EC Number | 230-525-2 |
| Molecular Formula | C22H48ClN |
| Molecular Weight | 362.08 |
| Exact Mass | 361.3475 |
| SMILES | CCCCCCCCCC[N+](C)(C)CCCCCCCCCC.[Cl-] |
| InChIKey | RUPBZQFQVRMKDG-UHFFFAOYSA-M |
| InChI | InChI=1S/C22H48N.ClH/c1-5-7-9-11-13-15-17-19-21-23(3,4)22-20-18-16-14-12-10-8-6-2;/h5-22H2,1-4H3;1H/q+1;/p-1 |
| PubChem CID | 23558 |
| UN Number | UN2923 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29239001 |
| Tariff Code | 2923900090 |
Safety & GHS
-
Corrosive
GHS05
-
Toxic
GHS06
-
Health Hazard
GHS07
-
Hazardous to the Environment
GHS09
Hazard statements
- H301 Toxic if swallowed
- H314 Causes severe skin burns and eye damage
- H317 May cause an allergic skin reaction
- H318 Causes serious eye damage
- H410 Very toxic to aquatic life with long lasting effects
Precautionary statements
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
- P302+352 IF ON SKIN: Wash with soap and water
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P308+313 IF exposed or concerned: Get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, 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
- Arquad 10
- Astop
- Bardac 2250
- Britewood Q
- DDAC
- Odex Q
- Quartamin D 10E
- Quartamin D 10P
- Quaternium 12
- Timbercote 2000
Frequently asked questions
What is Didecyldimethylammonium chloride (DDAC) commonly used for?
DDAC is primarily used as a disinfectant, sanitizer, and antimicrobial agent in healthcare, food processing, and industrial water treatment applications.
What is the chemical formula and molecular weight of DDAC?
The chemical formula is **C₂₂H₄₈ClN**, and the molecular weight is **362.08 g/mol**.
What safety classification (signal word) applies to DDAC?
DDAC is classified with the **signal word 'Danger'** due to its hazardous properties.
How should DDAC be stored?
Store DDAC at **ambient temperature** in a cool, dry place, away from incompatible substances.
Does Molekula supply DDAC in bulk quantities?
Yes, Molekula can supply DDAC in **bulk** based on customer requirements—please contact us for pricing and logistics details.
What documentation is provided with a DDAC order?
Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and a product specification sheet.
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.