Molekula
2-Mercapto-5-methoxy-1H-benzimidazole
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
2-Mercapto-5-methoxy-1H-benzimidazole is an organic heterocyclic compound primarily used as a chemical intermediate in the synthesis of pharmaceuticals, agrochemicals, and specialty polymers. It is also employed in corrosion inhibitors and as a reagent in organic synthesis. This product has a CAS number of 37052-78-1, with the molecular formula C8H8N2OS and a molecular weight of 180.23 g/mol. It is stored at ambient conditions but requires careful handling due to its hazardous nature, indicated by the signal word "Danger." Molekula supplies 2-Mercapto-5-methoxy-1H-benzimidazole 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.
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
Specifications available on request — see Documents below or contact our sales team.
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 141 °C |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 66787209 |
| CAS Number | 37052-78-1 |
| IUPAC Name | 5-methoxy-1,3-dihydrobenzimidazole-2-thione |
| EC Number | 253-326-2 |
| Molecular Formula | C8H8N2OS |
| Molecular Weight | 180.23 |
| Exact Mass | 180.0357 |
| SMILES | COC1=CC2=C(C=C1)NC(=S)N2 |
| InChIKey | KOFBRZWVWJCLGM-UHFFFAOYSA-N |
| InChI | InChI=1S/C8H8N2OS/c1-11-5-2-3-6-7(4-5)10-8(12)9-6/h2-4H,1H3,(H2,9,10,12) |
| PubChem CID | 665603 |
| REACH Code | Y110 |
| HTS Code | 29339982 |
| Tariff Code | 2933998090 |
Safety & GHS
-
Health Hazard
GHS07
-
Serious Health Hazard
GHS08
Hazard statements
- H302 Harmful if swallowed
- H315 Causes skin irritation
- H317 May cause an allergic skin reaction
- H319 Causes serious eye irritation
- H370 Causes damage to organs
- H412 Harmful to aquatic life with long lasting effects
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P273 Avoid release to the environment
- P301+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
- 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
- P333+313 IF skin irritation or a rash occurs: 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
- 1,3-Dihydro-5-methoxy-2H-benzimidazole-2-thione
- 2-Mercapto-5-methoxybenzimidazole
- 2H-Benzimidazole-2-thione, 1,3-dihydro-5-methoxy-
- 5-methoxy-1H-benzimidazole-2-thiol
- 5-methoxy-1H-benzo[d]imidazole-2-thiol
- 5-methoxy-1H-benzo[d]imidazole-2(3H)-thione
- 5-Methoxy-2-benzimidazolethiol
- 5-Methoxy-2-mercaptobenzimidazole
Frequently asked questions
What is 2-Mercapto-5-methoxy-1H-benzimidazole commonly used for?
This compound is primarily used as a **corrosion inhibitor** in lubricants, fuels, and metalworking fluids, as well as a **synthetic intermediate** for pharmaceuticals and agrochemicals.
What is the molecular formula and molecular weight of this product?
The molecular formula is **C₈H₈N₂OS**, and the molecular weight is **180.23 g/mol**.
How should this chemical be stored?
Store at **ambient temperature** in a tightly sealed container, away from moisture, heat, and incompatible substances.
What purity grades are available for this product?
Molekula supplies this compound in **technical grade (95%+ purity)** and **analytical/pharmaceutical grade (98%+ purity)**—confirm availability for your specific needs.
Can Molekula supply this product in bulk quantities?
Yes, we offer **bulk packaging options** (e.g., 5 kg, 25 kg, and larger drums) for industrial and commercial customers—contact us for pricing and lead times.
What documentation is provided with an order of this product?
Each order includes a **Certificate of Analysis (CoA)**, **Material Safety Data Sheet (MSDS)**, and **batch-specific documentation** for traceability and compliance.
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.