Molekula
3,5-Dichloro-2-hydroxybenzenesulfonic acid sodium salt
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
3,5-Dichloro-2-hydroxybenzenesulfonic acid sodium salt is a sulfonic acid derivative used in dye intermediates and specialty chemical synthesis. It appears as a white to off-white crystalline powder. CAS: 54970-72-8, Molecular Formula: C6H3Cl2NaO4S, Molecular Weight: 265.05 g/mol. Store at ambient temperature. Signal word: Warning. Molekula supplies 3,5-Dichloro-2-hydroxybenzenesulfonic 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
In stock — same-day dispatch
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.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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5 g — $42.40 per pack
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10 g — $72.40 per pack
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25 g — $156.60 per pack
Need a different quantity or pack?
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 | White to light yellow crystalline powder |
| Water | ≤5% |
| Purity (HPLC) | ≥99.0% |
| Turbidity | (5% in water) Colourless; clear to almost clear |
| Identification 1H-NMR,IR | 13C - NMR / Conforms to reference. |
| Sodium (Na) | (ICP - MS) (The value of calculation is 8.67%) ≥8.67 |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 11162460 |
| CAS Number | 54970-72-8 |
| IUPAC Name | sodium 3,5-dichloro-2-hydroxybenzenesulfonate |
| EC Number | 259-416-8 |
| Molecular Formula | C6H3Cl2NaO4S |
| Molecular Weight | 265.05 |
| Exact Mass | 263.9027 |
| SMILES | C1=C(C=C(C(=C1S(=O)(=O)[O-])O)Cl)Cl.[Na+] |
| InChIKey | NMWCVZCSJHJYFW-UHFFFAOYSA-M |
| InChI | InChI=1S/C6H4Cl2O4S.Na/c7-3-1-4(8)6(9)5(2-3)13(10,11)12;/h1-2,9H,(H,10,11,12);/q;+1/p-1 |
| PubChem CID | 3085077 |
| REACH Code | Y113 |
| HTS Code | 2908991500 |
| Tariff Code | 2908990000 |
Safety & GHS
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Health Hazard
GHS07
Hazard statements
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+352 IF ON SKIN: Wash with soap and water
- 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
- P337+313 If eye irritation persists 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.
Quality certificates
Molekula Group is certified to ISO 9001:2015 (quality) and ISO 14001:2015 (environmental management), audited by a UKAS-accredited body. Both certificates are valid to 17 May 2028.
Synonyms
- 2-HYDROXY-3,5-DICHLOROBENZENE SULFONIC ACID (SODIUM SALT)
- 2,4-Dichlorophenol-6-sulfonic Acid Sodium Salt
- 3,5-Dichloro-2-hydroxybenzenesulfonate sodium salt
- 4,6-Dichloro-1-phenol-2-sulfonic acid, sodium salt
- Benzenesulfonic acid, 3,5-dichloro-2-hydroxy-, monosodium salt
- DCHBS
- sodium 2-hydroxy-3,5-dichlorobenzene-sulfonate
- sodium 3,5-dichloro-2-hydroxybenzene-1-sulfonate
- Sodium 3,5-dichloro-2-hydroxybenzenesulfonate
- Sodium 3,5-dichloro-2-hydroxybenzenesulphonate
Frequently asked questions
What is 3,5-Dichloro-2-hydroxybenzenesulfonic acid sodium salt used for?
It is primarily used as an intermediate in the synthesis of dyes and pharmaceuticals.
What is the chemical formula and molecular weight?
The formula is C6H3Cl2NaO4S with a molecular weight of 265.05 g/mol.
How should this compound be stored?
Store 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, bulk quantities are available—please contact our sales team for pricing and availability.
What documentation comes with the order?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS).
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.