Molekula
Benzyl mercaptan
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
Benzyl mercaptan is a sulfur-containing organic compound used in fragrance and flavor formulations, as well as in the synthesis of pharmaceuticals and agrochemicals. It is a colorless to pale yellow liquid with a strong, unpleasant odor. CAS: 100-53-8, Molecular formula: C7H8S, Molecular weight: 124.20 g/mol, Storage: Ambient, Signal word: Danger. Molekula supplies Benzyl mercaptan 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
On backorder — expected to ship by 24 November 2026
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 — £30.90 per pack ex VAT · £37.08 inc. VAT
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 | Colorless to pale yellow transparent liquid |
| Assay (GC) | >99% |
| Related substance (GC) | <1.0% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 70 °C |
| Transport Class | 6.1 |
| Packing Group | III |
| Acidity | Acid |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Colorless liquid |
| Odour | Repulsive, garlic-like odor |
| Melting Point | -30 °C |
| Boiling Point | 194-195 °C |
| Solubility (other solvents) | Slightly soluble in carbon tetrachloride; soluble in carbon disulfide; very soluble in ethanol and ether |
| Vapour Pressure | 0.47 mmHg |
| Refractive Index | 1.5751 |
Source: PubChem CID 7509 (HSDB, Haz-Map)
Identification
| Property | Value |
|---|---|
| SKU | 90026445 |
| CAS Number | 100-53-8 |
| IUPAC Name | phenylmethanethiol |
| EC Number | 202-862-5 |
| Molecular Formula | C7H8S |
| Molecular Weight | 124.20 |
| Exact Mass | 124.0347 |
| SMILES | C1=CC=C(C=C1)CS |
| InChIKey | UENWRTRMUIOCKN-UHFFFAOYSA-N |
| InChI | InChI=1S/C7H8S/c8-6-7-4-2-1-3-5-7/h1-5,8H,6H2 |
| PubChem CID | 7509 |
| UN Number | UN2810 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2930.90.2900 |
| Tariff Code | 2930909599 |
Safety & GHS
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Toxic
GHS06
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Health Hazard
GHS07
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Hazardous to the Environment
GHS09
Hazard statements
- H302 Harmful if swallowed
- H319 Causes serious eye irritation
- H330 Fatal if inhaled
- H400 Very toxic to aquatic life
- H410 Very toxic to aquatic life with long lasting effects
Precautionary statements
- P231+232 Handle under inert gas. Protect from moisture
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- P310 Immediately call a POISON CENTER or doctor/physician
Documents
Safety Data Sheets (SDS)
Available in English, German, Spanish, French, Italian, Portuguese, Arabic, Dutch.
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
- a-toluenethiol
- alpha-Tolyl mercaptan
- Benzenemethanethiol
- Benzylhydrosulfide
- Benzylthiol
- Methanethiol, phenyl-
- Phenylmethanethiol
- Thiobenzyl alcohol
- Toluene-alpha-thiol
- Toluene, alpha-mercapto-
Frequently asked questions
What is benzyl mercaptan used for?
Benzyl mercaptan is primarily used as a chemical intermediate in the synthesis of pharmaceuticals and agrochemicals, and as a flavoring agent in trace amounts.
What is the chemical formula and molecular weight of benzyl mercaptan?
The formula is C7H8S with a molecular weight of 124.20 g/mol.
How should benzyl mercaptan be stored?
It should be stored at ambient temperature in a tightly sealed container, away from oxidizing agents and moisture.
What grade of benzyl mercaptan does Molekula supply?
Molekula supplies benzyl mercaptan in technical grade; custom grades are available upon request.
Can Molekula supply benzyl mercaptan in bulk?
Yes, Molekula can supply benzyl mercaptan in bulk quantities; please contact sales for pricing and availability.
What documentation comes with a benzyl mercaptan order?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) with the shipment.
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.