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Sulfur Compounds (Thiols, Sulfides, Sulfonates)

Thiomalic acid, 99%

Available on request

Order Thiomalic acid, 99% (CAS 70-49-5) online at Zemixal. Request a quote with price, lead time and documents. Purity 99%.

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Thiomalic acid, 99% chemical structure
CAS number70-49-5
FormulaC4H6O4S
Molar mass150.16 g/mol
Physical formPowder
HS code29309099
Purity99%
InChIKeyNJRXVEJTAYWCQJ-UHFFFAOYSA-N
IUPAC name2-sulfanylbutanedioic acid

About Thiomalic acid, 99%

Thiomalic acid, 99% is part of the Zemixal sulfur Compounds (Thiols, Sulfides, Sulfonates) range. Identity at a glance (99%): CAS 70-49-5, formula C4H6O4S and molar mass 150.16 g/mol. Expect white to beige powder.

Where it is used

  • Organic synthesis
  • API synthesis

Handling and storage

Physical constants on file: melting point 149-155 °C. Classified under GHS with signal word Warning and hazard statements H302, H315, H317 and H319. Read the SDS before first use.

Available as 100 g, 500 g, 1 kg and 25 kg. Larger or split packs can be arranged. You receive a batch certificate of analysis and a 16-section SDS with each order. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Typical uses

  • Organic synthesis
  • API synthesis

Applications

Specifications and identifiers

Specifications of Thiomalic acid, 99%
Product nameThiomalic acid, 99%
Catalogue numberZX-010049
CAS number70-49-5
IUPAC name2-sulfanylbutanedioic acid
Molecular formulaC4H6O4S
Molar mass150.16 g/mol
Exact mass149.9987
Purity / assay99%
Physical formPowder
AppearanceWhite to beige powder
Melting point149-155 °C
XLogP3-0.4
H-bond donors / acceptors3 / 5
Topological polar surface area75.6 Ų
HS code29309099
InChIKeyNJRXVEJTAYWCQJ-UHFFFAOYSA-N
SMILESC(C(C(=O)O)S)C(=O)O
PubChem CID6268
SynonymsMercaptosuccinic acid, 2-Mercaptosuccinic acid, 2-Thiomalic acid, Monomercaptosuccinic acid, Mercaptosuccinate, (+-)-mercaptosuccinic acid, Butanedioic acid, mercapto-, DL-Mercaptosuccinic acid, Malic acid, 2-thio-, butanedioic acid, 2-mercapto-, USAF M-2, .alpha.-Mercaptosuccinic acid

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

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful

Signal word Warning

  • H302Harmful if swallowed
  • H315Causes skin irritation
  • H317May cause an allergic skin reaction
  • H319Causes serious eye irritation
  • H335May cause respiratory irritation

Precautionary statements P261, P264, P264 + P265, P270, P271, P272, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P330, P332 + P317, P333 + P317, P337 + P317, P362 + P364, 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 Thiomalic acid, 99%
100 gQuoted on request
500 gQuoted on request
1 kgQuoted 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 Thiomalic acid, 99%

Which CAS number identifies Thiomalic acid, 99%?
Thiomalic acid, 99% is registered under CAS 70-49-5. You may also see it listed as Mercaptosuccinic acid, 2-Mercaptosuccinic acid, 2-Thiomalic acid. Our catalogue number for this item is ZX-010049.
What are the formula and molar mass of Thiomalic acid, 99%?
For Thiomalic acid, 99%, its formula is C4H6O4S and its molar mass is 150.16 g/mol. The systematic (IUPAC) name is 2-sulfanylbutanedioic acid. InChIKey NJRXVEJTAYWCQJ-UHFFFAOYSA-N lets you match it in any structure database.
What grade and pack sizes are available for Thiomalic acid, 99%?
This listing is 99% purity. Standard packs are 100 g, 500 g, 1 kg, 25 kg. Larger quantities and custom packing can be quoted on request.
Which documents come with Thiomalic acid, 99%?
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 Thiomalic acid, 99% to my country?
Yes. Because Thiomalic acid, 99% is classed as hazardous, 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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