Skip to content
Molekula

Molekula

Benzyl mercaptan

SKU 90026445 CAS 100-53-8 C7H8S MW 124.20 Made to order Bulk quantities on request

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.

Expect a response within hours Speak to a chemist: +44 (0) 3302 000333

Example image for illustration only. Other packaging and pack sizes are available.

Pricing & pack sizes

Pack sizes & pricing

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.

  • 5 g — $58.70 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.

Quantity
Unit
Needed by
Full name
Email
Company
Phone (optional)
Notes

Expect a response within hours

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

Danger
  • GHS pictogram — Toxic Toxic GHS06
  • GHS pictogram — Health Hazard Health Hazard GHS07
  • GHS pictogram — Hazardous to the Environment 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.

Talk to a chemist
Documents Pricing
Request a quote
Tell us the product and the quantity you need — including quantities larger than our listed packs. Expect a response within hours.
Full name
Company
Email
Phone (optional)
Product
Quantity needed

Ask for whatever you actually need — the pack sizes on our catalogue pages are a starting point, not a limit.

Message
View basket