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Sulfur Compounds (Thiols, Sulfides, Sulfonates)

2-Mercaptopropionic acid, 95%

SynthesisAvailable on request

Buy 2-Mercaptopropionic acid, 95% (CAS 79-42-5) from Zemixal. Request a quote with price, lead time and documents. Catalogue no. ZX-009831.

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2-Mercaptopropionic acid, 95% chemical structure
CAS number79-42-5
FormulaC3H6O2S
Molar mass106.15 g/mol
Physical formLiquid
HS code29420090
UN numberUN 2936
Purity95%
InChIKeyPMNLUUOXGOOLSP-UHFFFAOYSA-N
IUPAC name2-sulfanylpropanoic acid

About 2-Mercaptopropionic acid, 95%

Zemixal supplies 2-Mercaptopropionic acid, 95% within its pharma Intermediates & Building Blocks portfolio. Identity at a glance (Synthesis): CAS 79-42-5, formula C3H6O2S and molar mass 106.15 g/mol. Expect clear colourless liquid.

Common uses in the lab and plant

  • Organic synthesis
  • API synthesis

Storage and safety notes

Physical constants on file: melting point 10-14 °C. Hazard communication follows GHS (Danger: H301, H311, H314 and H330). Our SDS lists exposure controls and first-aid measures. For transport it ships as UN UN 2936.

Standard pack sizes are 100 g, 500 g and 25 kg, and custom quantities are quoted on request. You receive a batch certificate of analysis and a 16-section SDS with each order. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Specifications and identifiers

Specifications of 2-Mercaptopropionic acid, 95%
Product name2-Mercaptopropionic acid, 95%
Catalogue numberZX-009831
CAS number79-42-5
IUPAC name2-sulfanylpropanoic acid
Molecular formulaC3H6O2S
Molar mass106.15 g/mol
Exact mass106.0089
GradeSynthesis
Purity / assay95%
Physical formLiquid
AppearanceClear colourless liquid
Melting point10-14 °C
XLogP30.5
H-bond donors / acceptors2 / 3
Topological polar surface area38.3 Ų
HS code29420090
UN numberUN 2936
InChIKeyPMNLUUOXGOOLSP-UHFFFAOYSA-N
SMILESCC(C(=O)O)S
PubChem CID62326
SynonymsThiolactic acid, 2-Mercaptopropanoic acid, 2-Thiolactic acid, alpha-Mercaptopropionic acid, Propionic acid, 2-mercapto-, (+-)-2-Mercaptopropionic acid, 2-Thiolpropionic acid, alpha-Mercaptopropanoic acid, 2-mercapto-propionic acid, 2-mercapto propionic acid, Thiolactic acid [UN2936] [Poison], mercapto-propionic acid

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS05 Corrosive
Corrosive
GHS06 Acute toxicity
Acute toxicity

Signal word Danger

  • H301Toxic if swallowed
  • H311Toxic in contact with skin
  • H314Causes severe skin burns and eye damage
  • H330Fatal if inhaled

Precautionary statements P260, P262, P264, P270, P271, P280, P284, P301 + P316, P301 + P330 + P331, P302 + P352, P302 + P361 + P354, P304 + P340, P305 + P354 + P338, P316, P320, P321, P330, P361 + P364, P363, P403 + P233, P405, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of 2-Mercaptopropionic acid, 95%
100 gQuoted on request
500 gQuoted on request
25 kgQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about 2-Mercaptopropionic acid, 95%

Which CAS number identifies 2-Mercaptopropionic acid, 95%?
2-Mercaptopropionic acid, 95% is registered under CAS 79-42-5. You may also see it listed as Thiolactic acid, 2-Mercaptopropanoic acid, 2-Thiolactic acid. Our catalogue number for this item is ZX-009831.
What are the formula and molar mass of 2-Mercaptopropionic acid, 95%?
For 2-Mercaptopropionic acid, 95%, its formula is C3H6O2S and its molar mass is 106.15 g/mol. The systematic (IUPAC) name is 2-sulfanylpropanoic acid. InChIKey PMNLUUOXGOOLSP-UHFFFAOYSA-N lets you match it in any structure database.
What grade and pack sizes are available for 2-Mercaptopropionic acid, 95%?
This listing is Synthesis grade with 95% purity. Standard packs are 100 g, 500 g, 25 kg. Larger quantities and custom packing can be quoted on request.
Which documents come with 2-Mercaptopropionic acid, 95%?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship 2-Mercaptopropionic acid, 95% to my country?
Yes. Because 2-Mercaptopropionic acid, 95% is classed as hazardous (UN 2936), it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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